US20080083844A1 - Showerhead attachment assembly - Google Patents
Showerhead attachment assembly Download PDFInfo
- Publication number
- US20080083844A1 US20080083844A1 US11/869,183 US86918307A US2008083844A1 US 20080083844 A1 US20080083844 A1 US 20080083844A1 US 86918307 A US86918307 A US 86918307A US 2008083844 A1 US2008083844 A1 US 2008083844A1
- Authority
- US
- United States
- Prior art keywords
- arm
- coupling member
- shower
- shower pipe
- keying feature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K3/00—Baths; Douches; Appurtenances therefor
- A47K3/28—Showers or bathing douches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
- B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/06—Devices for suspending or supporting the supply pipe or supply hose of a shower-bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
Definitions
- the field of invention generally relates to showerheads, and more particularly to showerhead connections.
- the showerhead may be attached to the end of an arm, which in turn may be attached to a water outlet pipe of the shower stall.
- the arm may be fitted with one or more joints formed from an assembly of parts to pivot the arm relative to the water outlet and the showerhead relative to the arm.
- Undesired vertical movement of the standard overhead showerhead relative to the water outlet pipe is generally prevented using a friction mechanism such as winged nut to adjust the friction between pivoting parts in the joint.
- standard overhead shower arm assemblies that utilize friction mechanisms for vertical adjustment of the showerhead via pivoting the arm relative to the water outlet may minimize undesired vertical movement of the showerhead relative to the water outlet pipe for light showerheads, thus maintaining such a light showerhead in the desired position.
- these standard shower arm assemblies often to fail to maintain the vertical position of a relatively large or heavy showerhead or a showerhead constructed of a denser material, such as a metal.
- standard shower arms using standard friction mechanisms to prevent vertical showerhead movement are unsuitable for many modern applications.
- Adjusting the position of the showerhead under water pressure can also be problematic. Specifically, when the friction mechanisms are adjusted to permit positioning of the showerhead, water often leaks through the loosened joints. Additionally, a user can inadvertently disassemble the standard overhead showerhead arm assembly by unscrewing the typical winged nut friction mechanism too far, and thus possibly injure the user and/or have small components of the arm assembly fall into the shower's drain.
- a shower arm attachment assembly may include a first member, a second member, and a sleeve.
- the first member may be in fluid communication with a showerhead.
- the second member may be attachable to a shower pipe.
- the second member may be selectively rotatably joined to the first member.
- the sleeve may be selectively engageable with a joinder between the first and second member. When engaged, the sleeve may substantially prevent rotation of the first member relative to the second member.
- a shower arm attachment assembly may include a first member, a second member, and a third member.
- the first member may be in fluid communication with a showerhead and may include a first keying feature.
- the second member may be attachable to a shower pipe and may include a second keying feature for engagement with the first keying feature to substantially prevent rotation of the second member relative to the first member.
- the third member may be selectively engageable with the first member and the second member. When engaged, the third member may join the first member with the second member and may engage the first keying feature with the second keying feature.
- a shower arm attachment assembly may include a first member, a second member, a third member and a fourth member.
- the first member may be in fluid communication with a showerhead.
- the second member may be joined to the first member and may be rotatable relative to the first member.
- the third member may fluidly join the second member to a shower pipe water outlet.
- the fourth member may be selectively engageable with the second member. When engaged, the fourth member may substantially prevent rotation of the first member relative to the second member.
- a shower arm assembly may include an arm, a shower arm attachment assembly, and an arm rotation assembly.
- the shower arm attachment assembly may include an arm coupling member.
- the arm rotation assembly may include a connector rod, a nut, and a retaining clip.
- the nut may be joined to the connector rod and may be operative with the connector rod to press together the arm coupling member and the arm.
- the retaining clip may be attached to the connector rod and may operative with the connector rod to prevent disassembly of the arm from the arm coupling member.
- a shower arm assembly may include an arm, a shower arm attachment assembly, and an arm rotation assembly.
- the arm may include a first keying feature.
- the shower arm attachment assembly may include an arm coupling member with a second keying feature for engagement with the first keying feature to substantially prevent rotation of the arm relative to the arm coupling member.
- the arm rotation assembly may include a connector rod, a nut, and a connector rod. The nut may be joined to the connector rod and may be operative with the connector rod to press together the arm coupling member and the arm to engage the first keying feature with the second keying feature.
- FIG. 1A depicts a top perspective view of a shower arm assembly connected to a shower pipe.
- FIG. 1B depicts a cross-sectional view of the shower arm assembly of FIG. 1A viewed along line 1 B- 1 B in FIG. 1A , showing an arm rotation nut configured in its tightened position.
- FIG. 1C depicts a cross-sectional view of the shower arm assembly of FIG. 1 a viewed along line 1 B- 1 B in FIG. 1A , showing the arm rotation nut configured in its loosened position.
- FIG. 1D depicts a partially exploded, cross-sectional perspective view of the shower arm assembly of FIG. 1A .
- FIG. 2A depicts a top perspective view of a first embodiment of a shower arm attachment assembly showing a locking sleeve in a first position.
- FIG. 2B depicts another top perspective view of the shower arm attachment assembly of FIG. 2A , showing the locking sleeve in a second position.
- FIG. 2C depicts a cross-sectional view of the shower arm attachment assembly of FIG. 2A , viewed along line 2 C- 2 C in FIG. 2A .
- FIG. 2D depicts a cross-sectional view of the shower arm attachment assembly of FIG. 2A , viewed along line 2 D- 2 D in FIG. 2B .
- FIG. 2E depicts a cross-sectional view of the shower arm attachment assembly of FIG. 2A , viewed along line 2 E- 2 E in FIG. 2D .
- FIG. 2F depicts a cross-sectional view of the shower arm attachment assembly of 2 A, viewed along line 2 F- 2 F in FIG. 2D .
- FIG. 2G depicts an exploded perspective view of the shower arm attachment assembly of FIG. 2A .
- FIG. 3A depicts a top perspective view of a second embodiment of a shower arm attachment assembly showing a locking nut in a first position.
- FIG. 3B depicts another top perspective view of the shower arm attachment assembly of FIG. 3A , showing the locking nut in a second position.
- FIG. 3C depicts a cross-sectional view of the shower arm attachment assembly of FIG. 3A , viewed along line 3 C- 3 C in FIG. 3A .
- FIG. 3D depicts a cross-sectional view of the shower arm attachment assembly of FIG. 3A , viewed along line 3 D- 3 D in FIG. 3B .
- FIG. 3E depicts a cross-sectional view of the shower arm attachment assembly of FIG. 3A , viewed along line 3 E- 3 E in FIG. 3C .
- FIG. 3F depicts a cross-sectional view of the shower arm attachment assembly of FIG. 3A , viewed along line 3 F- 3 F in FIG. 3D .
- FIG. 3G depicts an exploded perspective view of the shower arm attachment assembly of FIG. 3A .
- FIG. 4A depicts a top perspective view of a shower arm attachment assembly, showing a locking nut in a first position.
- FIG. 4B depicts another top perspective view of the shower arm attachment assembly of FIG. 4A , showing the locking nut in a second position.
- FIG. 4C depicts a cross-sectional view of the shower arm attachment assembly of FIG. 4A , viewed along line 4 C- 4 C in FIG. 4A .
- FIG. 4D depicts a cross-sectional view of the shower arm attachment assembly of FIG. 4A , viewed along line 4 D- 4 D in FIG. 4B .
- FIG. 4E depicts a cross-sectional view of the shower arm attachment assembly of FIG. 4A , viewed along line 4 E- 4 E in FIG. 4D .
- FIG. 4F depicts a cross-sectional view of the shower arm attachment assembly of FIG. 4A , viewed along line 4 F- 4 F in FIG. 4D .
- FIG. 4G depicts an exploded perspective view of the shower arm attachment assembly of FIG. 4A .
- FIG. 4H depicts a perspective view of a arm coupling member for the shower arm attachment assembly of FIG. 4A .
- FIG. 5A depicts a top perspective view of a fourth embodiment of a shower arm attachment assembly.
- FIG. 5B depicts a cross-sectional view of the shower arm attachment assembly of FIG. 5A , viewed along line 5 B- 5 B in FIG. 5A .
- a shower arm attachment assembly may include an arm coupling member in fluid communication with a shower pipe coupling member.
- the arm coupling member may also be in fluid communication with a showerhead, and the shower pipe coupling member may also be in fluid communication with a shower pipe as well as, in some embodiments, attached directly to the shower pipe.
- the arm coupling member and the shower pipe coupling member may be joined together using a snap ring, collar, or other suitable device to allow selective rotation of the arm coupling member relative to the shower pipe coupling member.
- a sleeve, nut, or the like may be selectively engageable with the arm coupling member and the shower pipe coupling member to selectively prevent rotation of the arm coupling member relative to the shower pipe coupling member.
- the arm coupling member and the shower pipe coupling member may be joined together in select relative rotational positions to each other using a keying feature.
- the keying feature may also substantially prevent rotation of the arm coupling member relative to the shower pipe coupling member when the coupling members are joined together.
- the keying feature may have a first portion on one of the arm and shower pipe coupling members, and a second, complementary portion on the other coupling member.
- the first portion may take the form of a shaft with projections that engage grooves formed on the second complementary portion of the other member, which may receive the shaft.
- the first and second portions may take the form of engaging projections on abutting surfaces of each member.
- a threaded sleeve, a nut or the like may join the arm coupling member with the shower pipe coupling member.
- a shower arm cross member may be joined to a threaded stud, which in turn is joined to a threaded tee.
- the threaded stud may be selectively rotatable relative to the threaded stud.
- the threaded tee may be joined to the shower pipe with a shower pipe nut.
- a jam nut may be threadedly received on the threaded tee to substantially prevent selective rotation of the threaded stud relative to the threaded tee.
- the various embodiments of showerhead attachment assemblies may be used to fluidly join showerheads to shower pipes.
- FIG. 1A depicts a showerhead 100 joined to a shower pipe 105 by an arm assembly 110 .
- the arm assembly 110 may include a showerhead attachment member 115 , an arm 120 , an arm rotation assembly 125 , a shower arm attachment assembly 130 , and a showerhead rotation assembly 135 .
- the shower arm attachment assembly mechanically 130 and fluidly joins the arm 120 to the shower pipe 105 .
- the shower arm attachment assembly 130 may include an arm coupling member 305 joined to a shower pipe coupling member 310 using a locking nut 315 .
- the showerhead rotation assembly 135 may be used to adjust of the angle of the showerhead's face relative to the arm's longitudinal axis.
- the showerhead rotation assembly 135 may include a showerhead rotation nut 140 , which may be selectively tightened or loosened to increase or decrease the friction between the showerhead attachment member 115 and the arm 120 .
- the showerhead rotation nut 140 may be winged to provide a gripping feature for a user to grasp when tightening or loosening the nut 140 . As the friction is increased or decreased, the ability to rotate the showerhead attachment member 115 relative to the arm 120 around the showerhead rotation assembly's longitudinal axis decreases or increases, respectively.
- the arm rotation assembly 125 adjusts and maintains the vertical position of the showerhead 100 relative to the shower pipe 105 .
- the arm rotation assembly 125 may include an arm rotation nut 145 , which may be selectively tightened or loosened to prevent or allow the arm 120 to pivot relative to the shower arm attachment assembly 130 by rotating the arm 120 around the arm rotation assembly's longitudinal axis as described in more detail below.
- the arm rotation nut 145 may be winged to facilitate tightening or loosening of the nut 140 by a user.
- FIG. 1B depicts a cross-sectional view of the arm assembly 100 depicted in FIG. 1A viewed along line 1 B- 1 B with the arm rotation nut 145 in a tightened configuration to substantially prevent rotation of the arm 120 relative to the shower arm attachment assembly 130 .
- FIG. 1C is a cross-sectional view similar to the one shown in FIG. 1B except the arm rotation nut 145 is positioned in a loosened configuration to allow rotation of the arm 120 relative to the arm attachment assembly 130 .
- the arm rotation assembly 125 may include the arm rotation nut 145 , a sleeve 150 , a sleeve washer 155 , an E-ring 160 , and a connector rod 165 .
- the sleeve 150 and the connector rod 165 press together the arm 120 and an arm coupling member 305 as the rotation nut 145 is tightened.
- the connector rod 165 includes a rod shaft 170 .
- the rod shaft 170 extends through a hollow arm connection portion 175 of the arm coupling member 305 , a tube section 180 of the arm 120 , a hole in the sleeve washer 155 , and a hole in the sleeve 150 .
- a threaded hole 182 formed in the arm rotation nut 145 receives a threaded end portion of the rod shaft 165 .
- An opposite end of the rod shaft 165 includes a circular rod end flange 184 .
- a collar segment 186 of the arm coupling member 305 receives the rod end flange 184 .
- the rotation nut 145 As the rotation nut 145 is tightened by threading the connector rod 165 into the threaded hole 182 , the rotation nut 145 bears against the sleeve 150 , which in turn bears against the arm 120 .
- the rotation nut 145 also pulls the connector rod 165 towards the rotation nut 145 as it is tightened, which causes the rod end flange 184 of the connector rod 165 to bear against the arm coupling member 305 .
- the sleeve 150 bearing against the arm 120 combined with the connector rod 165 bearing against the arm coupling member 305 presses together the arm 120 and the arm coupling member 305 .
- the arm's tube section 180 receives a splined segment 186 of the arm coupling member 305 .
- an end of the splined segment 186 includes multiple splines 188 .
- matching splines are formed along the longitudinal abutting surfaces of the arm coupling member's splined segment 186 and the arm tube section 180 in lieu of, or in combination with, the splines 188 , 190 .
- the end of the splined segment 186 and the interior surface of the tube section 180 proximate this end may define square, hexagonal, oval or other suitable shapes that restrict or otherwise limit rotation of the arm coupling member 305 relative to the arm 120 when pressed together.
- a user loosens the rotation nut 145 by unthreading it from the connector rod 165 .
- the user may pull apart the arm 120 and the arm coupling member 305 sufficiently to disengage each components' respective splines 188 , 190 .
- the user may rotate the arm 120 relative to the arm coupling member 305 around the connector rod 165 to adjust the vertical position of the showerhead 100 relative to the shower pipe 105 .
- an E-ring 160 or other suitable retaining element such as a C-ring, is joined to the connector rod 165 between an arm end wall 195 and the threads on the connector rod 165 to limit the amount of separation between the arm 120 and the arm coupling member 305 .
- the arm end wall 195 pushes the E-ring 160 against the threads on the connector rod 165 , which prevents further movement of the arm 120 away from the arm coupling member 305 .
- the amount of permitted separation is a function of the distance between the circular rod flange 184 and the connector rod threads compared to the length of the joined arm tube section 180 and the arm coupling member connection portion 175 along the longitudinal axis of the connector rod 165 .
- This permitted separation distance is selected to allow a user to at least sufficiently separate the arm 120 and the arm coupling member 305 to disengage their respective splines 188 , 190 .
- Positioning the E-ring 160 on the connector rod 165 as described above also prevents a user from inadvertently disassembling of the connector rod 165 , the arm 120 , and the arm coupling member 305 when unthreading the arm rotation nut 145 from the connector rod 165 . More particularly, if a user unthreads the arm rotation nut 145 too much, only the arm rotation nut 145 , the sleeve 150 and the sleeve washer 155 may become disconnected from the arm assembly 110 .
- the arm 120 , the connector rod 165 , and the arm coupling member 305 will remain joined together, even under water pressure, by the E-ring 160 because the E-ring limits the amount of separation between the arm 120 and the arm coupling member 305 and keeps the connector rod 165 joined to these two components. This, in turn, limits the potential for a user to be injured by an inadvertent disassembly of these components.
- the E-ring 160 also allows for a user to vertically position the showerhead 100 relative to the shower pipe 105 under water pressure without water leaking out of the arm assembly 110 . More particularly, the maximum amount of separation between the arm 120 and the arm coupling member 305 permitted by the E-ring 160 is selected so that various O-rings 192 , 194 , 196 strategically positioned between the connector rod 165 , the arm 120 , and the arm coupling member 305 as shown for example in FIGS. 1B and 1C maintain water-tight seals between these various components at the joints formed by them.
- the rotation nut 145 may be loosened to permit the arm 120 and arm coupling member 305 to be separated for vertical positioning of the showerhead 100 without water leaking through the various joints formed by the arm 120 , the rod connector 165 and the arm coupling member 305 because the O-rings 192 , 194 , 196 continue to maintain the water seals between these components at the maximum amount of separation between the arm 120 and the arm coupling member 305 .
- the connector rod 165 may include a generally cylindrical intermediate rod flange 198 located between the connector rod threads and the rod end flange 184 .
- a generally circular hole in the arm end wall 195 receives the intermediate rod flange 198 .
- At least a portion of the cross-sections of the intermediate wall flange 198 and the end wall hole may be shaped to substantially prevent rotation of the connector rod 165 relative to the arm 120 around the connecter rod's longitudinal axis.
- at least a portion of the cross-sections of the intermediate rod flange 198 and the end wall hole may be oval shaped as shown in FIG. 1D .
- cross-sectional portions of the intermediate wall flange 198 and the end wall hole may be square, hexagonal or any other suitable shape to substantially prevent rotation of the connector rod 165 relative to the arm 120 .
- a groove formed in the intermediate rod flange 198 receives an O-ring 192 to seal the joint formed between the arm 120 and the connector rod 165 .
- a groove formed in the arm coupling member's splined segment 186 receives an O-ring 194 to seal the joint formed between the arm 120 and the arm coupling member 305 .
- a groove formed in the rod end flange 184 receives an O-ring 196 to seal the joint formed between the arm coupling member 305 and the rod connector 165 .
- any of the grooves for receiving the O-rings 192 , 194 , 196 may be formed in the other component forming the joint sealed by these O-rings 192 , 194 , 196 rather the component depicted in FIGS. 1B and 1C , or may be formed in both components.
- the showerhead rotational assembly 135 may be similar to the arm rotational assembly 125 and may operate in a similar manner. More particularly, the arm rotational assembly 125 may include a showerhead rotation nut 140 , a sleeve 142 , a connector rod (not shown), a sleeve washer (not shown), and an E-ring (not shown). In a manner similar to the arm rotational assembly 125 , the showerhead rotation nut 140 , the sleeve 142 and the connector rod (not shown) may press together the showerhead attachment member 115 and a second arm tube section 144 to substantially prevent rotation of the showerhead attachment member 115 relative to the arm 120 when the showerhead rotation nut 140 is tightened.
- the showerhead rotation nut 140 allows a user to rotate the showerhead attachment member 115 relative to the arm 120 .
- the E-ring or other suitable retaining device may be joined to the connector rod (not shown) to limit the maximum distance that the showerhead attachment 115 and the arm 120 can be pulled apart.
- FIGS. 2A-2G A first embodiment of a shower arm attachment assembly 200 is depicted in FIGS. 2A-2G .
- This shower arm attachment assembly 200 may be used with the arm assembly 110 shown in FIG. 1A .
- the shower arm attachment assembly 200 may include an arm coupling member 205 joined to a shower pipe coupling member 210 .
- the shower pipe coupling member 210 may be joined to a shower pipe 105 .
- the shower pipe 105 delivers water to the shower arm coupling assembly 200 , and ultimately to an attached showerhead 100 (see FIG. 1 ), from a water heater, a water reservoir, or other suitable water source (not shown).
- the arm coupling member 205 may include a shower pipe connection portion 215 for joining the arm coupling member 205 to the shower pipe coupling member 210 . When joined, the arm coupling member 205 may be rotated relative to the shower pipe coupling member 210 as described in more detail below.
- the arm coupling member 205 may also have an arm connection portion 220 for joining the arm coupling member 205 to a showerhead arm (not shown) fluidly joined to a showerhead (not shown).
- the arm connection portion 220 may be joined to its shower pipe connection portion 215 by an intermediate portion 225 .
- the shower pipe connection portion 215 , arm connection portion 220 , and the intermediate portion 225 may be integrally formed, or may be separate elements joined together by adhesives, heat or sonic welds, mechanical fasteners, any other suitable means for joining elements together, or any combination thereof.
- An outer surface of the arm coupling member's shower pipe connection portion 215 may define multiple flat surfaces.
- the shower pipe connection portion 215 may be, for example, square or hexagonal in cross-section. These surfaces may generally correspond to matching substantially flat surfaces defined by an outer surface of the shower pipe coupling member 210 , which may have a cross-section matching that of the shower pipe connection portion 215 .
- a locking sleeve 230 or other suitable device may be moved over the arm and shower pipe coupling members 205 , 210 as shown in FIG. 2B .
- the cross-section of the locking sleeve's interior generally correlates to the outer surfaces of the arm and shower pipe coupling members 205 , 210 (see, e.g., FIGS. 2E and 2F ), positioning the locking sleeve 230 over the arm and shower pipe coupling members 205 , 210 typically prevents rotation of the shower pipe coupling member 210 relative to the arm coupling member 205 around the longitudinal axis marked as A-A on FIG. 2C .
- the shower pipe coupling member 210 may be threadedly joined to the shower pipe 105 , or joined by any other suitable method including by press fitting, clamping, welds, and so on.
- the shower pipe coupling member 210 and the shower pipe 105 are threadedly joined, the shower pipe coupling member 210 may have threads formed on an inner surface to mate with threads formed on an outer surface to the shower pipe 105 as shown in FIGS. 2C and 2D , or vice versa.
- the shower pipe coupling member's threads are national pipe taper (“NPT”) threads.
- NPT threads provide locking resistance to substantially prevent rotation of the entire showerhead assembly relative to the shower pipe 105 . More particularly, when the showerhead pivot assembly 115 (shown in FIG. 1 ) is positioned at an elevation above the arm pivot assembly 125 , a sufficient torque around the longitudinal axis of the shower pipe 105 may be generated to unscrew the shower pipe coupling member 210 from the shower pipe 105 when using straight pipe threads such as NPSM and NPSH threads.
- NPT threads in contrast, effectively resist this torque, and thus prevent the unscrewing of the shower pipe coupling member 210 , which then prevents rotation of the showerhead assembly relative to the shower pipe 105 .
- threads other than NPT including NPSM and NPSH, may be used if desired.
- the interior surface of the shower pipe coupling member 210 may form a groove or step for receiving a shower pipe O-ring 235 or other suitable seal element.
- the shower pipe O-ring 235 forms a water-tight seal between the shower pipe coupling member 210 and the shower pipe 105 to substantially prevent water from leaking through the joint formed between them.
- a coupling member O-ring groove 240 may be defined in the exterior surface of the shower pipe coupling member 210 for receiving a coupling member O-ring 245 or other suitable seal element. If desired, the coupling member O-ring groove 240 may be formed in the interior surface of the arm coupling member 205 rather than formed in the exterior surface of the shower pipe coupling member 210 , or may be formed in the surfaces of both members 205 , 210 .
- the coupling member O-ring 245 forms a water-tight seal at the joint between the arm coupling member 205 and the shower pipe coupling member 210 to substantially prevent water from leaking out of the shower arm attachment assembly 200 through this joint.
- a snap ring groove 250 may be formed in an exterior surface of the shower pipe coupling member 210 .
- the snap ring groove 250 may align with a snap ring groove 255 defined in an interior surface of the arm coupling member 205 .
- these aligned snap ring grooves 250 , 255 define an annular snap ring pocket for receiving a snap ring 260 or other suitable joining element.
- the snap ring 260 joins the arm coupling member 205 to the shower pipe 210 coupling member while allowing the arm coupling member 205 to be selectively rotated relative to the shower pipe coupling member 210 around the longitudinal axis marked A-A on FIG. 2C .
- an arm (such as the arm 120 shown in FIG. 1 a ) attached to the arm coupling member 205 may be rotated relative to a shower pipe 105 attached to the shower pipe coupling member 210 about longitudinal axis A-A.
- Rotation of the arm coupling member 205 relative to the shower pipe coupling member 210 may be prevented by engaging the locking sleeve 230 with each member 205 , 210 . More particularly, the locking sleeve 230 may be positioned over the arm coupling member 205 and the shower pipe coupling member 210 , as shown in FIG. 2D . When moved to such a position, an interior surface of the locking sleeve 230 engages the outer surfaces of the arm coupling member 205 and the shower pipe coupling member 210 as shown in FIGS. 2E and 2F , thereby preventing rotation of the arm coupling member 205 relative to the shower pipe coupling member 210 .
- each coupling member 205 , 210 may have six substantially flat exterior surfaces, which allow the arm coupling member 205 to be placed in six rotational positions relative to the shower pipe coupling member 210 for engagement with the locking sleeve 230 .
- the locking sleeve 230 may have six generally flat interior surfaces to match and engage the substantially flat exterior surfaces of the coupling members 205 , 210 .
- the coupling members 205 , 210 and the locking sleeve 230 may have more or fewer than six flat surfaces to increase or decrease the number of rotational positions of the coupling members 205 , 210 relative to each other that permit the locking sleeve 230 to be slid over them.
- other types of non-rotational surfaces such as ovoid and D-shaped surfaces, may be used rather than substantially flat surfaces for the arm coupling member 205 , the shower pipe coupling member, and the locking sleeve 230 .
- the inner surface of the shower pipe 105 may define a shower pipe fluid passage 265 for delivering fluid to the are coupling member 205 from a fluid source fluidly connected to the shower pipe 105 .
- the shower pipe fluid passage 265 may be fluidly connected to a fluid passage 270 defined by the shower pipe coupling member's inner surface, or surfaces, to deliver fluid from the shower pipe 105 to the arm coupling member 205 via the shower pipe coupling member 210 .
- the shower pipe coupling member fluid passage 270 may be fluidly connected to a arm coupling member fluid passage 275 defined by the arm coupling member's inner surface, or surfaces, thus delivering fluid from the shower pipe coupling member 210 to the arm coupling member 205 .
- the arm coupling member fluid passage 275 may be fluidly connected to a showerhead to deliver fluid to the showerhead.
- a generally cylindrical shower pipe 105 may receive a locking sleeve 230 with a generally cylindrical exterior surface.
- a shower pipe O-ring 235 may be placed proximate the threaded end of the shower pipe 105 , and the shower pipe coupling member 210 may thread onto the shower pipe 105 .
- the coupling member groove 240 of the shower pipe coupling member 210 receives the coupling member O-ring 245 .
- the snap ring groove 250 of the shower pipe coupling member 210 receives the snap ring 260 .
- the arm coupling member 205 may be joined to the shower pipe coupling member 210 by sliding it over the compressed snap ring 260 (and the generally annular shower pipe coupling member 210 ) until the snap ring groove 255 of the arm coupling member 205 aligns with the snap ring groove 250 of the shower pipe coupling member 210 . Once aligned, compressive forces in the compressed snap ring 260 bias a portion of the snap ring 260 into the snap ring groove 255 of the arm coupling member 205 , thereby joining the arm coupling member 205 and the shower pipe coupling member 210 . Once joined, the arm coupling member 205 may be rotated relative to the shower pipe coupling member 210 around the longitudinal axis marked as A-A on FIG.
- the locking sleeve 230 may be slid over the arm and shower pipe coupling members 205 , 210 to substantially prevent further relative rotation between the coupling members 205 , 210 as described above.
- FIGS. 3A-3G A second embodiment of a shower arm attachment assembly 300 is depicted in FIGS. 3A-3G . Similar to the first embodiment shown in FIGS. 2A-2G , the second embodiment may include an arm coupling member 305 joined to a shower pipe coupling member 310 . Further, the shower pipe coupling member 310 may be joined to a shower pipe 105 . A locking nut 315 (or other suitable device) may join the arm coupling member 305 to the shower pipe coupling member 310 . Further, as described in more detail below, the locking nut 315 may be used to selectively allow or prevent rotation of the shower pipe coupling member 310 relative to the arm coupling member 305 .
- the arm coupling member 305 may be rotated relative to the shower pipe coupling member 310 around the longitudinal axis marked as B-B on FIG. 3C .
- the arm coupling member 305 may have a connection portion 320 for receiving a coupling segment 325 of the shower pipe coupling member 310 .
- a keying feature may be associated with one or both of the coupling members 305 , 310 and may prevent, or otherwise substantially restrict, rotation of the arm coupling member 305 relative to the shower pipe coupling member 310 .
- an interior surface of the arm coupling member's connection portion 320 may include at least one groove 330 that engages with at least one projection 335 on an exterior surface of the coupling segment 325 .
- the arm coupling member's connection portion 320 may include at least one projection and the coupling segment's exterior surface may include at least one groove. Engagement of the grooves of either the arm coupling member 305 or the shower pipe coupling member 310 with the other member's projections prevents rotation of the arm coupling member 305 relative to shower pipe coupling member 310 around the longitudinal axis marked as B-B on FIG. 3C .
- the arm coupling member 305 of the second embodiment is similar to the first embodiment depicted in FIGS. 2A-2G except as noted.
- an exterior surface of the arm coupling member 305 may be stepped to define a locking nut engagement surface 345 .
- the locking nut engagement surface 345 may engage a flange 350 of the locking nut 315 to substantially prevent movement of the arm coupling member 305 relative to the locking nut 315 in a direction away from the shower pipe 105 . Further, when the locking nut 315 is substantially threaded onto the shower pipe coupling member 310 as shown in FIG.
- the locking nut 315 presses the arm coupling member 305 against the shower pipe coupling member 310 . Effectively, threading the locking nut 315 onto the shower pipe coupling member 310 as shown in FIG. 3C joins the arm coupling member 315 with the shower pipe coupling member 310 and substantially prevents rotation of the arm coupling member 305 relative to the shower pipe coupling member 310 .
- An interior surface of the arm coupling member 305 may be stepped to form a coupling member O-ring surface for positioning a coupling member O-ring 355 or other suitable seal element between the arm coupling member 205 and the shower pipe coupling member 310 .
- the coupling member O-ring 355 forms a water-tight seal between the arm and shower pipe coupling members 305 , 310 to substantially prevent water from leaking through the joint formed between these members 305 , 310 .
- the shower pipe coupling member 310 may include a lock nut connection portion 360 for joining the lock nut 315 to the shower pipe coupling member 310 and a shower pipe connection portion 365 for joining the shower pipe 105 to the shower pipe coupling member 310 .
- the coupling segment 325 , the lock nut connection portion 360 , and the shower pipe connection portion 365 may be integrally formed, or may be separate elements joined together by adhesives, heat or sonic welds, any other suitable means for joining elements together, or any combination thereof.
- the shower pipe coupling member 310 may be threadedly joined to the locking nut 315 as shown in FIGS. 3C and 3D , or joined by any other suitable method, including, but not limited to, by press fitting, clamping, welding, and so on.
- an exterior surface of the lock nut connection portion 360 may be threaded.
- the shower pipe coupling member 310 may also be threadedly joined to the shower pipe 105 as shown in FIGS. 3C and 3D in a manner similar to the one described above for the first embodiment.
- the locking nut 315 may include a locking nut sidewall 370 and a locking nut flange 350 .
- the flange 350 may extend radially inward from the locking nut sidewall 370 to engage the arm coupling member 305 as described above.
- An interior surface of the locking nut sidewall 370 may be threaded to threadedly join the locking nut 315 to the shower pipe coupling member 310 as discussed above.
- a user may grip an exterior surface of the locking nut 315 , such as the hand gripping grooves 375 shown in FIGS. 3A and 3B , when threading the locking nut 315 on and off the shower pipe coupling member 310 .
- the locking nut 315 As the locking nut 315 is threaded onto the shower pipe coupling member, the projections 335 of the showerhead coupling member 310 are received within the grooves 330 of the arm coupling member 305 . As discussed above, receipt of the projections 335 within the grooves 330 prevents rotation of the arm coupling member 305 relative to the shower pipe coupling member 310 .
- the locking nut 315 is unscrewed from the shower pipe coupling member 310 until the arm coupling member connection portion 320 is removed the shower pipe coupling segment 325 as depicted in FIG. 3D . Once removed, the arm coupling member 315 may be rotated relative to the shower pipe coupling member 310 around the longitudinal axis marked as B-B on FIG. 3C .
- the projections 335 of the showerhead coupling member 310 must generally align with the grooves 330 of the arm coupling member 305 as shown in FIG. 3E .
- Such alignment may be obtained by selectively rotating the arm coupling member 305 relative to the shower pipe coupling member 310 around the longitudinal axis marked as B-B on FIG. 3C until the arm coupling member grooves 330 align with the shower pipe coupling member projections 335 .
- the number of projections 335 and corresponding grooves 330 increase or decrease, the number of relative rotational positions of the arm coupling member 305 to the shower pipe coupling member 310 respectively increases or decreases. Any number of projections 335 and corresponding grooves 330 may be used.
- the shower pipe 105 may be fluidly joined to an attached showerhead via fluid passages in the arm coupling member 305 and shower pipe coupling member 310 .
- FIGS. 4A-4H A third embodiment of a shower arm attachment assembly 400 is depicted in FIGS. 4A-4H .
- the third embodiment is similar to the second embodiment.
- the third embodiment may include an arm coupling member 405 , a shower pipe coupling member 410 , and a locking nut 415 .
- the primary difference between the second and third embodiments relates to the keying mechanism for limiting rotation of the arm coupling member 405 relative to the shower pipe coupling member 410 .
- Other features of the various components for the third embodiment of the showerhead coupling assembly are slightly modified from the second embodiment to accommodate the alternative keying feature.
- the arm coupling member 405 may include a connection portion 420 for receipt in a coupling segment 425 of the showerhead pipe coupling member 410 .
- an annular keying flange 430 may extend around a shaft 435 of the arm coupling member 405 .
- Multiple tapered arm coupling member projections 440 extend from a surface of the keying flange 430 abutting the shower pipe coupling member 410 .
- the multiple arm coupling member projections 440 engage the recesses formed between multiple tapered shower pipe coupling member projections 445 (see FIG.
- the shower pipe coupling member 410 may be threadedly joined to the locking nut 415 and the shower pipe 105 as shown in FIGS. 4C and 4D , or may be joined to the shower pipe 105 by any other suitable joining means.
- the interior surface of the shower pipe coupling member 410 may be stepped inwardly to receive a shower pipe O-ring 450 or other suitable seal element.
- the shower pipe O-ring 450 forms a water-tight seal between the shower pipe coupling member 410 and the shower pipe 105 to substantially prevent water from leaking through the joint formed between them.
- a coupling member seal groove 455 may be formed in the interior surface of the shower pipe coupling member 410 to receive a coupling member O-ring 460 or other suitable seal element.
- the coupling member O-ring 460 forms a water-tight seal between the shower pipe coupling member 410 and the arm coupling member 405 to substantially prevent fluid leaks through the joint formed between them.
- the locking nut 415 is similar to the locking nut for the second embodiment of the coupling member assembly and operates in a similar manner.
- the locking nut 415 causes the arm coupling member projections 440 to engage the recesses formed by the shower pipe coupling member projections 445 as it is threaded onto the shower pipe coupling member 410 .
- This engagement prevents rotation of the coupling members 405 , 410 relative to each around the longitudinal axis marked as D-D on FIG. 4C .
- the locking nut 415 is sufficiently unthreaded from the shower pipe coupling member 410 to disengage the projections 440 , 445 from the recesses as shown in FIG. 4D .
- the arm coupling member 405 may be selectively rotated relative to the shower pipe coupling member 410 to change the relative rotation position of an attached showerhead relative to the shower pipe 105 .
- the arm coupling member 405 may be selectively rotated to a position relative to the shower pipe coupling member 410 to properly align the projections 440 , 445 with matching recesses prior to tightening the locking nut 415 onto the shower pipe coupling member 410 .
- the number of matching projections 440 , 445 with corresponding recesses increases or decreases on each coupling member 405 , 410
- the number of relative rotation positions of the arm coupling member 405 to the shower pipe coupling member 410 respectively increases or decreases.
- the internal surface, or surfaces, of the arm and shower pipe coupling member 405 , 410 of the third embodiment may define fluid passages for transporting fluid from a shower pipe 105 to an attached showerhead.
- FIGS. 5A and 5B A fourth embodiment of a shower arm attachment assembly 500 is depicted in FIGS. 5A and 5B . Like the previously described embodiments, this embodiment of the showerhead attachment assembly 500 may be used in an arm assembly, such as the arm assembly 110 shown in FIG. 1A .
- the fourth embodiment may include a stud 505 connected to an arm cross-member 510 .
- the stud 505 may be fused to the arm cross-member 510 , or otherwise suitably joined, to form a high strength, water-tight connection.
- the stud 505 may be integrally formed with the arm cross-member 510 .
- the stud 505 may be joined to a tee 515 using threads.
- the stud 505 may be selectively rotated relative to the tee 515 .
- the tee 515 may include a tee flange 520 extending from a tee shaft 525 for engagement with a stepped, interior surface of a shower pipe nut 530 .
- the tee 515 may be connected to a shower pipe 105 by abutting the tee flange 520 with the stepped interior surface of the nut 530 and threading the shower pipe nut 530 onto the shower pipe 105 as depicted in FIG. 5B .
- the stud 505 may be selectively rotated relative to the tee 515 .
- a jam nut 535 may be threaded onto the tee 515 to substantially prevent rotation of the tee 515 relative to the stud 505 .
- a hole in the jam nut 535 for receiving the tee shaft 525 may be sized slightly smaller than the outer diameter of the tee shaft 525 , thus compressing the tee shaft 525 slightly inward onto the stud 505 .
- Such compression locks the tee shaft 525 onto the stud 505 , thus substantially limiting rotation of the tee shaft 525 relative to the stud.
- the jam nut 535 is thread off the tee shaft 525
- the tee shaft 525 is allowed to uncompress, thus allowing the stud 505 to be rotated relative to the tee shaft 525 .
- sufficiently threading the jam nut 535 onto the tee 515 will substantially prevent rotation of the stud 505 relative to the tee 515 while sufficiently unthreading the jam nut 535 from the tee 515 will allow the stud 505 to be rotated relative to the tee 515 .
- a shower pipe resilient washer 540 may be placed between the tee flange 520 and the shower pipe 105 to form a water-tight seal between the tee 515 and the shower pipe 105 , which prevents water from leaking through the joint formed between the tee 515 , the shower pipe 105 , and the shower pipe nut 530 .
- a stud washer 545 may be placed between an interior stepped surface of the tee 515 and the stud 505 to form a water-tight seal between the tee 515 and the stud 505 , which prevents water from leaking through the joint formed between the tee 515 and the stud 505 .
- Fluid passages may be defined by inner surfaces of the tee 515 and the stud 505 to convey fluid from the shower pipe 105 to an attached showerhead.
- any of the various components for the various embodiments of the arm assembly including, but not limited to, the components of the shower arm attachment assembly, may be formed of plastic, metal, ceramic, any other suitable metal, or any combination thereof. Further, any of various components for the arm assembly may be integrally formed or may be formed from two or more parts joined by any suitable joining method.
Abstract
Description
- This application claims under 35 U.S.C. § 119(e) the benefit of U.S. Provisional Application No. 60/828,741, entitled “Showerhead Attachment Assembly” and filed on Oct. 9, 2006, the disclosure of which is hereby incorporated by reference herein in its entirety.
- a. Field of the Invention
- The field of invention generally relates to showerheads, and more particularly to showerhead connections.
- b. Background Art
- To locate a showerhead overhead rather than at the side of a shower stall, the showerhead may be attached to the end of an arm, which in turn may be attached to a water outlet pipe of the shower stall. For positioning a standard overhead showerhead at a desired vertical location and the showerhead face at a desired orientation relative to arm's longitudinal axis, the arm may be fitted with one or more joints formed from an assembly of parts to pivot the arm relative to the water outlet and the showerhead relative to the arm. Undesired vertical movement of the standard overhead showerhead relative to the water outlet pipe is generally prevented using a friction mechanism such as winged nut to adjust the friction between pivoting parts in the joint.
- Generally, standard overhead shower arm assemblies that utilize friction mechanisms for vertical adjustment of the showerhead via pivoting the arm relative to the water outlet may minimize undesired vertical movement of the showerhead relative to the water outlet pipe for light showerheads, thus maintaining such a light showerhead in the desired position. However, these standard shower arm assemblies often to fail to maintain the vertical position of a relatively large or heavy showerhead or a showerhead constructed of a denser material, such as a metal. Thus, standard shower arms using standard friction mechanisms to prevent vertical showerhead movement are unsuitable for many modern applications.
- Adjusting the position of the showerhead under water pressure can also be problematic. Specifically, when the friction mechanisms are adjusted to permit positioning of the showerhead, water often leaks through the loosened joints. Additionally, a user can inadvertently disassemble the standard overhead showerhead arm assembly by unscrewing the typical winged nut friction mechanism too far, and thus possibly injure the user and/or have small components of the arm assembly fall into the shower's drain.
- Yet another issue with a typical overhead shower arm assembly involves the coupling members or assemblies used to attach the shower arm to the shower pipe. Often, the coupling members or assemblies permit relatively little or limited rotational adjustment of the arm around the shower pipe's longitudinal axis before the water-tightness between the shower pipe and the coupling member is compromised.
- One embodiment of a shower arm attachment assembly may include a first member, a second member, and a sleeve. The first member may be in fluid communication with a showerhead. The second member may be attachable to a shower pipe. The second member may be selectively rotatably joined to the first member. The sleeve may be selectively engageable with a joinder between the first and second member. When engaged, the sleeve may substantially prevent rotation of the first member relative to the second member.
- Another embodiment of a shower arm attachment assembly may include a first member, a second member, and a third member. The first member may be in fluid communication with a showerhead and may include a first keying feature. The second member may be attachable to a shower pipe and may include a second keying feature for engagement with the first keying feature to substantially prevent rotation of the second member relative to the first member. The third member may be selectively engageable with the first member and the second member. When engaged, the third member may join the first member with the second member and may engage the first keying feature with the second keying feature.
- Yet another embodiment of a shower arm attachment assembly may include a first member, a second member, a third member and a fourth member. The first member may be in fluid communication with a showerhead. The second member may be joined to the first member and may be rotatable relative to the first member. The third member may fluidly join the second member to a shower pipe water outlet. The fourth member may be selectively engageable with the second member. When engaged, the fourth member may substantially prevent rotation of the first member relative to the second member.
- Still yet another embodiment of a shower arm assembly may include an arm, a shower arm attachment assembly, and an arm rotation assembly. The shower arm attachment assembly may include an arm coupling member. The arm rotation assembly may include a connector rod, a nut, and a retaining clip. The nut may be joined to the connector rod and may be operative with the connector rod to press together the arm coupling member and the arm. The retaining clip may be attached to the connector rod and may operative with the connector rod to prevent disassembly of the arm from the arm coupling member.
- Yet another embodiment of a shower arm assembly may include an arm, a shower arm attachment assembly, and an arm rotation assembly. The arm may include a first keying feature. The shower arm attachment assembly may include an arm coupling member with a second keying feature for engagement with the first keying feature to substantially prevent rotation of the arm relative to the arm coupling member. The arm rotation assembly may include a connector rod, a nut, and a connector rod. The nut may be joined to the connector rod and may be operative with the connector rod to press together the arm coupling member and the arm to engage the first keying feature with the second keying feature.
-
FIG. 1A depicts a top perspective view of a shower arm assembly connected to a shower pipe. -
FIG. 1B depicts a cross-sectional view of the shower arm assembly ofFIG. 1A viewed alongline 1B-1B inFIG. 1A , showing an arm rotation nut configured in its tightened position. -
FIG. 1C depicts a cross-sectional view of the shower arm assembly ofFIG. 1 a viewed alongline 1B-1B inFIG. 1A , showing the arm rotation nut configured in its loosened position. -
FIG. 1D depicts a partially exploded, cross-sectional perspective view of the shower arm assembly ofFIG. 1A . -
FIG. 2A depicts a top perspective view of a first embodiment of a shower arm attachment assembly showing a locking sleeve in a first position. -
FIG. 2B depicts another top perspective view of the shower arm attachment assembly ofFIG. 2A , showing the locking sleeve in a second position. -
FIG. 2C depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 2A , viewed alongline 2C-2C inFIG. 2A . -
FIG. 2D depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 2A , viewed alongline 2D-2D inFIG. 2B . -
FIG. 2E depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 2A , viewed alongline 2E-2E inFIG. 2D . -
FIG. 2F depicts a cross-sectional view of the shower arm attachment assembly of 2A, viewed alongline 2F-2F inFIG. 2D . -
FIG. 2G depicts an exploded perspective view of the shower arm attachment assembly ofFIG. 2A . -
FIG. 3A depicts a top perspective view of a second embodiment of a shower arm attachment assembly showing a locking nut in a first position. -
FIG. 3B depicts another top perspective view of the shower arm attachment assembly ofFIG. 3A , showing the locking nut in a second position. -
FIG. 3C depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 3A , viewed alongline 3C-3C inFIG. 3A . -
FIG. 3D depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 3A , viewed alongline 3D-3D inFIG. 3B . -
FIG. 3E depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 3A , viewed alongline 3E-3E inFIG. 3C . -
FIG. 3F depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 3A , viewed alongline 3F-3F inFIG. 3D . -
FIG. 3G depicts an exploded perspective view of the shower arm attachment assembly ofFIG. 3A . -
FIG. 4A depicts a top perspective view of a shower arm attachment assembly, showing a locking nut in a first position. -
FIG. 4B depicts another top perspective view of the shower arm attachment assembly ofFIG. 4A , showing the locking nut in a second position. -
FIG. 4C depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 4A , viewed alongline 4C-4C inFIG. 4A . -
FIG. 4D depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 4A , viewed alongline 4D-4D inFIG. 4B . -
FIG. 4E depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 4A , viewed alongline 4E-4E inFIG. 4D . -
FIG. 4F depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 4A , viewed alongline 4F-4F inFIG. 4D . -
FIG. 4G depicts an exploded perspective view of the shower arm attachment assembly ofFIG. 4A . -
FIG. 4H depicts a perspective view of a arm coupling member for the shower arm attachment assembly ofFIG. 4A . -
FIG. 5A depicts a top perspective view of a fourth embodiment of a shower arm attachment assembly. -
FIG. 5B depicts a cross-sectional view of the shower arm attachment assembly ofFIG. 5A , viewed alongline 5B-5B inFIG. 5A . - One embodiment of a shower arm attachment assembly may include an arm coupling member in fluid communication with a shower pipe coupling member. The arm coupling member may also be in fluid communication with a showerhead, and the shower pipe coupling member may also be in fluid communication with a shower pipe as well as, in some embodiments, attached directly to the shower pipe. In some embodiments, the arm coupling member and the shower pipe coupling member may be joined together using a snap ring, collar, or other suitable device to allow selective rotation of the arm coupling member relative to the shower pipe coupling member. In such embodiments, a sleeve, nut, or the like may be selectively engageable with the arm coupling member and the shower pipe coupling member to selectively prevent rotation of the arm coupling member relative to the shower pipe coupling member.
- In another embodiment of the shower arm attachment assembly, the arm coupling member and the shower pipe coupling member may be joined together in select relative rotational positions to each other using a keying feature. The keying feature may also substantially prevent rotation of the arm coupling member relative to the shower pipe coupling member when the coupling members are joined together. In some embodiments, the keying feature may have a first portion on one of the arm and shower pipe coupling members, and a second, complementary portion on the other coupling member. In some of these embodiments, the first portion may take the form of a shaft with projections that engage grooves formed on the second complementary portion of the other member, which may receive the shaft. In other of these embodiments, the first and second portions may take the form of engaging projections on abutting surfaces of each member. A threaded sleeve, a nut or the like may join the arm coupling member with the shower pipe coupling member.
- In yet another embodiment of a shower arm attachment assembly and as shown in
FIGS. 5A and 5B , a shower arm cross member may be joined to a threaded stud, which in turn is joined to a threaded tee. The threaded stud may be selectively rotatable relative to the threaded stud. The threaded tee may be joined to the shower pipe with a shower pipe nut. A jam nut may be threadedly received on the threaded tee to substantially prevent selective rotation of the threaded stud relative to the threaded tee. The various embodiments of showerhead attachment assemblies may be used to fluidly join showerheads to shower pipes. -
FIG. 1A depicts ashowerhead 100 joined to ashower pipe 105 by anarm assembly 110. Thearm assembly 110 may include ashowerhead attachment member 115, anarm 120, anarm rotation assembly 125, a showerarm attachment assembly 130, and ashowerhead rotation assembly 135. As described in more detail below in connection with various embodiments of the showerarm attachment assembly 130, the shower arm attachment assembly mechanically 130 and fluidly joins thearm 120 to theshower pipe 105. In some embodiments, such as those depicted inFIGS. 1A and 3A , the showerarm attachment assembly 130 may include anarm coupling member 305 joined to a showerpipe coupling member 310 using alocking nut 315. - The
showerhead rotation assembly 135 may be used to adjust of the angle of the showerhead's face relative to the arm's longitudinal axis. Theshowerhead rotation assembly 135 may include ashowerhead rotation nut 140, which may be selectively tightened or loosened to increase or decrease the friction between theshowerhead attachment member 115 and thearm 120. Theshowerhead rotation nut 140 may be winged to provide a gripping feature for a user to grasp when tightening or loosening thenut 140. As the friction is increased or decreased, the ability to rotate theshowerhead attachment member 115 relative to thearm 120 around the showerhead rotation assembly's longitudinal axis decreases or increases, respectively. - The
arm rotation assembly 125 adjusts and maintains the vertical position of theshowerhead 100 relative to theshower pipe 105. More particularly, thearm rotation assembly 125 may include anarm rotation nut 145, which may be selectively tightened or loosened to prevent or allow thearm 120 to pivot relative to the showerarm attachment assembly 130 by rotating thearm 120 around the arm rotation assembly's longitudinal axis as described in more detail below. As thearm 120 is pivoted relative to the showerarm attachment assembly 130, the vertical position of theshowerhead 100 relative to theshower pipe 105 changes. Like theshowerhead rotation nut 140, thearm rotation nut 145 may be winged to facilitate tightening or loosening of thenut 140 by a user. -
FIG. 1B depicts a cross-sectional view of thearm assembly 100 depicted inFIG. 1A viewed alongline 1B-1B with thearm rotation nut 145 in a tightened configuration to substantially prevent rotation of thearm 120 relative to the showerarm attachment assembly 130.FIG. 1C is a cross-sectional view similar to the one shown inFIG. 1B except thearm rotation nut 145 is positioned in a loosened configuration to allow rotation of thearm 120 relative to thearm attachment assembly 130. - The
arm rotation assembly 125 may include thearm rotation nut 145, asleeve 150, asleeve washer 155, an E-ring 160, and aconnector rod 165. Together, thesleeve 150 and theconnector rod 165 press together thearm 120 and anarm coupling member 305 as therotation nut 145 is tightened. More particularly, theconnector rod 165 includes arod shaft 170. Therod shaft 170 extends through a hollowarm connection portion 175 of thearm coupling member 305, atube section 180 of thearm 120, a hole in thesleeve washer 155, and a hole in thesleeve 150. A threadedhole 182 formed in thearm rotation nut 145 receives a threaded end portion of therod shaft 165. An opposite end of therod shaft 165 includes a circularrod end flange 184. Acollar segment 186 of thearm coupling member 305 receives therod end flange 184. - As the
rotation nut 145 is tightened by threading theconnector rod 165 into the threadedhole 182, therotation nut 145 bears against thesleeve 150, which in turn bears against thearm 120. Therotation nut 145 also pulls theconnector rod 165 towards therotation nut 145 as it is tightened, which causes therod end flange 184 of theconnector rod 165 to bear against thearm coupling member 305. Thesleeve 150 bearing against thearm 120 combined with theconnector rod 165 bearing against thearm coupling member 305 presses together thearm 120 and thearm coupling member 305. - When pressed together, rotation of the
arm 120 relative to thearm coupling member 305 around the longitudinal axis of theconnector rod 165 is prevented by a keying feature associated with either or both of thearm coupling member 305 and thearm 120. More particularly, the arm'stube section 180 receives asplined segment 186 of thearm coupling member 305. As shown inFIG. 1D , an end of thesplined segment 186 includesmultiple splines 188. When thearm coupling member 305 and thearm 120 are pressed together, thesesplines 188 engage matching grooves defined by multiple splines 190 (seeFIG. 1D ) formed on the interior surface of thetube section 180 abutting the splined end of thearm coupling member 305. When engaged, rotation of thearm coupling member 305 relative to thearm 120 is prevented by this interconnection of thesplines - In some embodiments, matching splines are formed along the longitudinal abutting surfaces of the arm coupling member's
splined segment 186 and thearm tube section 180 in lieu of, or in combination with, thesplines splined segment 186 and the interior surface of thetube section 180 proximate this end may define square, hexagonal, oval or other suitable shapes that restrict or otherwise limit rotation of thearm coupling member 305 relative to thearm 120 when pressed together. - To disengage the
splines rotation nut 145 by unthreading it from theconnector rod 165. When sufficiently loosened, the user may pull apart thearm 120 and thearm coupling member 305 sufficiently to disengage each components'respective splines arm 120 relative to thearm coupling member 305 around theconnector rod 165 to adjust the vertical position of theshowerhead 100 relative to theshower pipe 105. - As shown in
FIGS. 1B and 1C , an E-ring 160 or other suitable retaining element, such as a C-ring, is joined to theconnector rod 165 between anarm end wall 195 and the threads on theconnector rod 165 to limit the amount of separation between thearm 120 and thearm coupling member 305. Specifically, as thearm 120 and thearm coupling member 305 are separated, thearm end wall 195 pushes the E-ring 160 against the threads on theconnector rod 165, which prevents further movement of thearm 120 away from thearm coupling member 305. The amount of permitted separation is a function of the distance between thecircular rod flange 184 and the connector rod threads compared to the length of the joinedarm tube section 180 and the arm couplingmember connection portion 175 along the longitudinal axis of theconnector rod 165. This permitted separation distance is selected to allow a user to at least sufficiently separate thearm 120 and thearm coupling member 305 to disengage theirrespective splines - Positioning the E-ring 160 on the
connector rod 165 as described above also prevents a user from inadvertently disassembling of theconnector rod 165, thearm 120, and thearm coupling member 305 when unthreading thearm rotation nut 145 from theconnector rod 165. More particularly, if a user unthreads thearm rotation nut 145 too much, only thearm rotation nut 145, thesleeve 150 and thesleeve washer 155 may become disconnected from thearm assembly 110. Thearm 120, theconnector rod 165, and thearm coupling member 305 will remain joined together, even under water pressure, by the E-ring 160 because the E-ring limits the amount of separation between thearm 120 and thearm coupling member 305 and keeps theconnector rod 165 joined to these two components. This, in turn, limits the potential for a user to be injured by an inadvertent disassembly of these components. - The E-ring 160 also allows for a user to vertically position the
showerhead 100 relative to theshower pipe 105 under water pressure without water leaking out of thearm assembly 110. More particularly, the maximum amount of separation between thearm 120 and thearm coupling member 305 permitted by the E-ring 160 is selected so that various O-rings connector rod 165, thearm 120, and thearm coupling member 305 as shown for example inFIGS. 1B and 1C maintain water-tight seals between these various components at the joints formed by them. Thus under water pressure, therotation nut 145 may be loosened to permit thearm 120 andarm coupling member 305 to be separated for vertical positioning of theshowerhead 100 without water leaking through the various joints formed by thearm 120, therod connector 165 and thearm coupling member 305 because the O-rings arm 120 and thearm coupling member 305. - The
connector rod 165 may include a generally cylindricalintermediate rod flange 198 located between the connector rod threads and therod end flange 184. A generally circular hole in thearm end wall 195 receives theintermediate rod flange 198. At least a portion of the cross-sections of theintermediate wall flange 198 and the end wall hole may be shaped to substantially prevent rotation of theconnector rod 165 relative to thearm 120 around the connecter rod's longitudinal axis. For example, at least a portion of the cross-sections of theintermediate rod flange 198 and the end wall hole may be oval shaped as shown inFIG. 1D . In other embodiments, cross-sectional portions of theintermediate wall flange 198 and the end wall hole may be square, hexagonal or any other suitable shape to substantially prevent rotation of theconnector rod 165 relative to thearm 120. - With continued references to
FIGS. 1B-1D , a groove formed in theintermediate rod flange 198 receives an O-ring 192 to seal the joint formed between thearm 120 and theconnector rod 165. A groove formed in the arm coupling member'ssplined segment 186 receives an O-ring 194 to seal the joint formed between thearm 120 and thearm coupling member 305. A groove formed in therod end flange 184 receives an O-ring 196 to seal the joint formed between thearm coupling member 305 and therod connector 165. These seals each prevent leakage of water through the associated joints formed by thearm 120, theconnector rod 165, and thearm coupling member 305. Any of the grooves for receiving the O-rings rings FIGS. 1B and 1C , or may be formed in both components. - Returning to
FIG. 1A , the showerheadrotational assembly 135 may be similar to the armrotational assembly 125 and may operate in a similar manner. More particularly, the armrotational assembly 125 may include ashowerhead rotation nut 140, asleeve 142, a connector rod (not shown), a sleeve washer (not shown), and an E-ring (not shown). In a manner similar to the armrotational assembly 125, theshowerhead rotation nut 140, thesleeve 142 and the connector rod (not shown) may press together theshowerhead attachment member 115 and a secondarm tube section 144 to substantially prevent rotation of theshowerhead attachment member 115 relative to thearm 120 when theshowerhead rotation nut 140 is tightened. Likewise, loosening theshowerhead rotation nut 140 allows a user to rotate theshowerhead attachment member 115 relative to thearm 120. Also similar to thearm rotation assembly 125, the E-ring or other suitable retaining device (not shown) may be joined to the connector rod (not shown) to limit the maximum distance that theshowerhead attachment 115 and thearm 120 can be pulled apart. - A first embodiment of a shower
arm attachment assembly 200 is depicted inFIGS. 2A-2G . This showerarm attachment assembly 200 may be used with thearm assembly 110 shown inFIG. 1A . With reference toFIGS. 2A and 2B , the showerarm attachment assembly 200 may include anarm coupling member 205 joined to a showerpipe coupling member 210. The showerpipe coupling member 210, in turn, may be joined to ashower pipe 105. Theshower pipe 105 delivers water to the showerarm coupling assembly 200, and ultimately to an attached showerhead 100 (seeFIG. 1 ), from a water heater, a water reservoir, or other suitable water source (not shown). - The
arm coupling member 205 may include a showerpipe connection portion 215 for joining thearm coupling member 205 to the showerpipe coupling member 210. When joined, thearm coupling member 205 may be rotated relative to the showerpipe coupling member 210 as described in more detail below. Thearm coupling member 205 may also have anarm connection portion 220 for joining thearm coupling member 205 to a showerhead arm (not shown) fluidly joined to a showerhead (not shown). Thearm connection portion 220 may be joined to its showerpipe connection portion 215 by anintermediate portion 225. The showerpipe connection portion 215,arm connection portion 220, and theintermediate portion 225 may be integrally formed, or may be separate elements joined together by adhesives, heat or sonic welds, mechanical fasteners, any other suitable means for joining elements together, or any combination thereof. - An outer surface of the arm coupling member's shower
pipe connection portion 215 may define multiple flat surfaces. The showerpipe connection portion 215 may be, for example, square or hexagonal in cross-section. These surfaces may generally correspond to matching substantially flat surfaces defined by an outer surface of the showerpipe coupling member 210, which may have a cross-section matching that of the showerpipe connection portion 215. When these surfaces for the showerpipe coupling member 210 and thearm coupling member 205 are generally aligned as shown inFIG. 2A , a lockingsleeve 230 or other suitable device may be moved over the arm and showerpipe coupling members FIG. 2B . As described in more detail below, because the cross-section of the locking sleeve's interior generally correlates to the outer surfaces of the arm and showerpipe coupling members 205, 210 (see, e.g.,FIGS. 2E and 2F ), positioning thelocking sleeve 230 over the arm and showerpipe coupling members pipe coupling member 210 relative to thearm coupling member 205 around the longitudinal axis marked as A-A onFIG. 2C . - Turning to the cross-section views of
FIG. 2C (which shows the lockingsleeve 230 in its unlocked position) and 2D (which shows the lockingsleeve 230 in its locked position), the showerpipe coupling member 210 may be threadedly joined to theshower pipe 105, or joined by any other suitable method including by press fitting, clamping, welds, and so on. When the showerpipe coupling member 210 and theshower pipe 105 are threadedly joined, the showerpipe coupling member 210 may have threads formed on an inner surface to mate with threads formed on an outer surface to theshower pipe 105 as shown inFIGS. 2C and 2D , or vice versa. - In some embodiments, the shower pipe coupling member's threads are national pipe taper (“NPT”) threads. NPT threads provide locking resistance to substantially prevent rotation of the entire showerhead assembly relative to the
shower pipe 105. More particularly, when the showerhead pivot assembly 115 (shown inFIG. 1 ) is positioned at an elevation above thearm pivot assembly 125, a sufficient torque around the longitudinal axis of theshower pipe 105 may be generated to unscrew the showerpipe coupling member 210 from theshower pipe 105 when using straight pipe threads such as NPSM and NPSH threads. NPT threads, in contrast, effectively resist this torque, and thus prevent the unscrewing of the showerpipe coupling member 210, which then prevents rotation of the showerhead assembly relative to theshower pipe 105. However, threads other than NPT, including NPSM and NPSH, may be used if desired. - Proximate the threads, the interior surface of the shower
pipe coupling member 210 may form a groove or step for receiving a shower pipe O-ring 235 or other suitable seal element. The shower pipe O-ring 235 forms a water-tight seal between the showerpipe coupling member 210 and theshower pipe 105 to substantially prevent water from leaking through the joint formed between them. - A coupling member O-
ring groove 240 may be defined in the exterior surface of the showerpipe coupling member 210 for receiving a coupling member O-ring 245 or other suitable seal element. If desired, the coupling member O-ring groove 240 may be formed in the interior surface of thearm coupling member 205 rather than formed in the exterior surface of the showerpipe coupling member 210, or may be formed in the surfaces of bothmembers ring 245 forms a water-tight seal at the joint between thearm coupling member 205 and the showerpipe coupling member 210 to substantially prevent water from leaking out of the showerarm attachment assembly 200 through this joint. - Still with reference to
FIGS. 2C and 2D , proximate thearm coupling member 205, asnap ring groove 250 may be formed in an exterior surface of the showerpipe coupling member 210. When thearm coupling member 205 and the showerpipe coupling member 210 are joined as shown inFIGS. 2C and 2D , thesnap ring groove 250 may align with asnap ring groove 255 defined in an interior surface of thearm coupling member 205. Together, these alignedsnap ring grooves snap ring 260 or other suitable joining element. Thesnap ring 260 joins thearm coupling member 205 to theshower pipe 210 coupling member while allowing thearm coupling member 205 to be selectively rotated relative to the showerpipe coupling member 210 around the longitudinal axis marked A-A onFIG. 2C . By rotating thearm coupling member 205 relative to the showerpipe coupling member 210, an arm (such as thearm 120 shown inFIG. 1 a) attached to thearm coupling member 205 may be rotated relative to ashower pipe 105 attached to the showerpipe coupling member 210 about longitudinal axis A-A. - Rotation of the
arm coupling member 205 relative to the showerpipe coupling member 210 may be prevented by engaging the lockingsleeve 230 with eachmember sleeve 230 may be positioned over thearm coupling member 205 and the showerpipe coupling member 210, as shown inFIG. 2D . When moved to such a position, an interior surface of the lockingsleeve 230 engages the outer surfaces of thearm coupling member 205 and the showerpipe coupling member 210 as shown inFIGS. 2E and 2F , thereby preventing rotation of thearm coupling member 205 relative to the showerpipe coupling member 210. - To position the locking
sleeve 230 over the arm and showerpipe coupling members arm coupling member 205 are aligned with the flat surfaces of the showerpipe coupling member 210 as shown inFIG. 2A . Such alignment may be achieved by rotating the showerpipe coupling member 210 relative to thearm coupling member 205 until the generally flat exterior surfaces for eachmember FIGS. 2E and 2F , in one embodiment, eachcoupling member arm coupling member 205 to be placed in six rotational positions relative to the showerpipe coupling member 210 for engagement with the lockingsleeve 230. Further, the lockingsleeve 230 may have six generally flat interior surfaces to match and engage the substantially flat exterior surfaces of thecoupling members coupling members sleeve 230 may have more or fewer than six flat surfaces to increase or decrease the number of rotational positions of thecoupling members sleeve 230 to be slid over them. Further, other types of non-rotational surfaces, such as ovoid and D-shaped surfaces, may be used rather than substantially flat surfaces for thearm coupling member 205, the shower pipe coupling member, and the lockingsleeve 230. - With reference to
FIGS. 2C and 2D , the inner surface of theshower pipe 105 may define a showerpipe fluid passage 265 for delivering fluid to the are couplingmember 205 from a fluid source fluidly connected to theshower pipe 105. More particularly, the showerpipe fluid passage 265 may be fluidly connected to afluid passage 270 defined by the shower pipe coupling member's inner surface, or surfaces, to deliver fluid from theshower pipe 105 to thearm coupling member 205 via the showerpipe coupling member 210. The shower pipe couplingmember fluid passage 270, in turn, may be fluidly connected to a arm couplingmember fluid passage 275 defined by the arm coupling member's inner surface, or surfaces, thus delivering fluid from the showerpipe coupling member 210 to thearm coupling member 205. Finally, the arm couplingmember fluid passage 275 may be fluidly connected to a showerhead to deliver fluid to the showerhead. - With reference to
FIGS. 2A-2G , a method of joining the showerarm attachment assembly 200 to ashower pipe 105 will now be described. A generallycylindrical shower pipe 105 may receive alocking sleeve 230 with a generally cylindrical exterior surface. A shower pipe O-ring 235 may be placed proximate the threaded end of theshower pipe 105, and the showerpipe coupling member 210 may thread onto theshower pipe 105. Thecoupling member groove 240 of the showerpipe coupling member 210 receives the coupling member O-ring 245. Next, thesnap ring groove 250 of the showerpipe coupling member 210 receives thesnap ring 260. Pushing the snap ring's free ends together compresses it so that it may be received within thesnap ring groove 250 of theshower pipe coupling 210 in order to slide the showerpipe connection portion 215 of the showerarm coupling member 205 over an end portion of the showerpipe coupling member 210. - The
arm coupling member 205 may be joined to the showerpipe coupling member 210 by sliding it over the compressed snap ring 260 (and the generally annular shower pipe coupling member 210) until thesnap ring groove 255 of thearm coupling member 205 aligns with thesnap ring groove 250 of the showerpipe coupling member 210. Once aligned, compressive forces in thecompressed snap ring 260 bias a portion of thesnap ring 260 into thesnap ring groove 255 of thearm coupling member 205, thereby joining thearm coupling member 205 and the showerpipe coupling member 210. Once joined, thearm coupling member 205 may be rotated relative to the showerpipe coupling member 210 around the longitudinal axis marked as A-A onFIG. 2C until its exterior flat surfaces align with the exterior flat surfaces of the showerpipe coupling member 210 in the desired relative rotational position. When aligned, the lockingsleeve 230 may be slid over the arm and showerpipe coupling members coupling members - A second embodiment of a shower
arm attachment assembly 300 is depicted inFIGS. 3A-3G . Similar to the first embodiment shown inFIGS. 2A-2G , the second embodiment may include anarm coupling member 305 joined to a showerpipe coupling member 310. Further, the showerpipe coupling member 310 may be joined to ashower pipe 105. A locking nut 315 (or other suitable device) may join thearm coupling member 305 to the showerpipe coupling member 310. Further, as described in more detail below, the lockingnut 315 may be used to selectively allow or prevent rotation of the showerpipe coupling member 310 relative to thearm coupling member 305. For example, when the lockingnut 315 is substantially threadedly received on the showerpipe coupling member 310 as shown inFIG. 3A , rotation of thearm coupling member 305 relative to the showerpipe coupling member 310 around the longitudinal axis marked as B-B onFIG. 3C is prevented. Continuing with the example, when the lockingnut 315 is only partially threaded onto (as shown inFIG. 3B ), or unthreaded from, the showerpipe coupling member 310, thearm coupling member 305 may be rotated relative to the showerpipe coupling member 310 around the longitudinal axis marked as B-B onFIG. 3C . - With reference to
FIGS. 3C and 3D , thearm coupling member 305 may have aconnection portion 320 for receiving acoupling segment 325 of the showerpipe coupling member 310. A keying feature may be associated with one or both of thecoupling members arm coupling member 305 relative to the showerpipe coupling member 310. More particularly, as shown inFIG. 3E , an interior surface of the arm coupling member'sconnection portion 320 may include at least onegroove 330 that engages with at least oneprojection 335 on an exterior surface of thecoupling segment 325. In some embodiments, the arm coupling member'sconnection portion 320 may include at least one projection and the coupling segment's exterior surface may include at least one groove. Engagement of the grooves of either thearm coupling member 305 or the showerpipe coupling member 310 with the other member's projections prevents rotation of thearm coupling member 305 relative to showerpipe coupling member 310 around the longitudinal axis marked as B-B onFIG. 3C . - Returning to
FIGS. 3C and 3D , thearm coupling member 305 of the second embodiment is similar to the first embodiment depicted inFIGS. 2A-2G except as noted. Between the arm coupling member's intermediate andcoupling member portions arm coupling member 305 may be stepped to define a lockingnut engagement surface 345. The lockingnut engagement surface 345 may engage aflange 350 of the lockingnut 315 to substantially prevent movement of thearm coupling member 305 relative to the lockingnut 315 in a direction away from theshower pipe 105. Further, when the lockingnut 315 is substantially threaded onto the showerpipe coupling member 310 as shown inFIG. 3C , the lockingnut 315 presses thearm coupling member 305 against the showerpipe coupling member 310. Effectively, threading the lockingnut 315 onto the showerpipe coupling member 310 as shown inFIG. 3C joins thearm coupling member 315 with the showerpipe coupling member 310 and substantially prevents rotation of thearm coupling member 305 relative to the showerpipe coupling member 310. - An interior surface of the
arm coupling member 305 may be stepped to form a coupling member O-ring surface for positioning a coupling member O-ring 355 or other suitable seal element between thearm coupling member 205 and the showerpipe coupling member 310. Similar to the coupling member O-ring for the first embodiment of the showerarm attachment assembly 200, the coupling member O-ring 355 forms a water-tight seal between the arm and showerpipe coupling members members - The shower
pipe coupling member 310 may include a locknut connection portion 360 for joining thelock nut 315 to the showerpipe coupling member 310 and a showerpipe connection portion 365 for joining theshower pipe 105 to the showerpipe coupling member 310. Thecoupling segment 325, the locknut connection portion 360, and the showerpipe connection portion 365 may be integrally formed, or may be separate elements joined together by adhesives, heat or sonic welds, any other suitable means for joining elements together, or any combination thereof. - The shower
pipe coupling member 310 may be threadedly joined to the lockingnut 315 as shown inFIGS. 3C and 3D , or joined by any other suitable method, including, but not limited to, by press fitting, clamping, welding, and so on. To threadedly join the showerpipe coupling member 310 to thelock nut 315, an exterior surface of the locknut connection portion 360 may be threaded. The showerpipe coupling member 310 may also be threadedly joined to theshower pipe 105 as shown inFIGS. 3C and 3D in a manner similar to the one described above for the first embodiment. - With further reference to
FIGS. 3C and 3D , the lockingnut 315 may include a lockingnut sidewall 370 and a lockingnut flange 350. Theflange 350 may extend radially inward from the lockingnut sidewall 370 to engage thearm coupling member 305 as described above. An interior surface of the lockingnut sidewall 370 may be threaded to threadedly join the lockingnut 315 to the showerpipe coupling member 310 as discussed above. Further, a user may grip an exterior surface of the lockingnut 315, such as thehand gripping grooves 375 shown inFIGS. 3A and 3B , when threading the lockingnut 315 on and off the showerpipe coupling member 310. - As the locking
nut 315 is threaded onto the shower pipe coupling member, theprojections 335 of theshowerhead coupling member 310 are received within thegrooves 330 of thearm coupling member 305. As discussed above, receipt of theprojections 335 within thegrooves 330 prevents rotation of thearm coupling member 305 relative to the showerpipe coupling member 310. To rotate thearm coupling member 305 relative to the showerpipe coupling member 310, the lockingnut 315 is unscrewed from the showerpipe coupling member 310 until the arm couplingmember connection portion 320 is removed the showerpipe coupling segment 325 as depicted inFIG. 3D . Once removed, thearm coupling member 315 may be rotated relative to the showerpipe coupling member 310 around the longitudinal axis marked as B-B onFIG. 3C . - To thread the locking
nut 315 onto the showerpipe coupling member 310, theprojections 335 of theshowerhead coupling member 310 must generally align with thegrooves 330 of thearm coupling member 305 as shown inFIG. 3E . Such alignment may be obtained by selectively rotating thearm coupling member 305 relative to the showerpipe coupling member 310 around the longitudinal axis marked as B-B onFIG. 3C until the armcoupling member grooves 330 align with the shower pipecoupling member projections 335. As the number ofprojections 335 andcorresponding grooves 330 increase or decrease, the number of relative rotational positions of thearm coupling member 305 to the showerpipe coupling member 310 respectively increases or decreases. Any number ofprojections 335 andcorresponding grooves 330 may be used. - Similar to the first embodiment, the
shower pipe 105 may be fluidly joined to an attached showerhead via fluid passages in thearm coupling member 305 and showerpipe coupling member 310. - A third embodiment of a shower
arm attachment assembly 400 is depicted inFIGS. 4A-4H . Generally, the third embodiment is similar to the second embodiment. For example, the third embodiment may include anarm coupling member 405, a showerpipe coupling member 410, and a lockingnut 415. The primary difference between the second and third embodiments relates to the keying mechanism for limiting rotation of thearm coupling member 405 relative to the showerpipe coupling member 410. Other features of the various components for the third embodiment of the showerhead coupling assembly are slightly modified from the second embodiment to accommodate the alternative keying feature. - With reference to
FIGS. 4C and 4D , thearm coupling member 405 may include aconnection portion 420 for receipt in acoupling segment 425 of the showerheadpipe coupling member 410. Near the arm coupling member'sconnection portion 420, anannular keying flange 430 may extend around ashaft 435 of thearm coupling member 405. Multiple tapered arm coupling member projections 440 (seeFIG. 4F ) extend from a surface of the keyingflange 430 abutting the showerpipe coupling member 410. The multiple armcoupling member projections 440 engage the recesses formed between multiple tapered shower pipe coupling member projections 445 (seeFIG. 4E ) extending from an end surface of the showerpipe coupling member 410 abutting thearm coupling member 405. When each coupling member's respectivetapered projections arm coupling member 405 is prevented from rotating relative to the showerpipe coupling member 410 around the longitudinal axis marked as D-D onFIG. 4C . The other portions of thearm coupling member 405 are similar to those described above for the first and second embodiments of the showerhead coupling assembly. - In a manner similar to the one described for the second embodiment of the shower
arm coupling assembly 300, the showerpipe coupling member 410 may be threadedly joined to the lockingnut 415 and theshower pipe 105 as shown inFIGS. 4C and 4D , or may be joined to theshower pipe 105 by any other suitable joining means. - Similar to the second embodiment, proximate the threads for joining the shower
pipe coupling member 410 to theshower pipe 105, the interior surface of the showerpipe coupling member 410 may be stepped inwardly to receive a shower pipe O-ring 450 or other suitable seal element. The shower pipe O-ring 450 forms a water-tight seal between the showerpipe coupling member 410 and theshower pipe 105 to substantially prevent water from leaking through the joint formed between them. - A coupling
member seal groove 455 may be formed in the interior surface of the showerpipe coupling member 410 to receive a coupling member O-ring 460 or other suitable seal element. The coupling member O-ring 460 forms a water-tight seal between the showerpipe coupling member 410 and thearm coupling member 405 to substantially prevent fluid leaks through the joint formed between them. - The locking
nut 415 is similar to the locking nut for the second embodiment of the coupling member assembly and operates in a similar manner. The lockingnut 415 causes the armcoupling member projections 440 to engage the recesses formed by the shower pipecoupling member projections 445 as it is threaded onto the showerpipe coupling member 410. This engagement prevents rotation of thecoupling members FIG. 4C . To rotate thecoupling members nut 415 is sufficiently unthreaded from the showerpipe coupling member 410 to disengage theprojections FIG. 4D . When disengaged, thearm coupling member 405 may be selectively rotated relative to the showerpipe coupling member 410 to change the relative rotation position of an attached showerhead relative to theshower pipe 105. - Further, like the second embodiment, the
arm coupling member 405 may be selectively rotated to a position relative to the showerpipe coupling member 410 to properly align theprojections nut 415 onto the showerpipe coupling member 410. As the number of matchingprojections coupling member arm coupling member 405 to the showerpipe coupling member 410 respectively increases or decreases. - Similar to the first and second embodiments, the internal surface, or surfaces, of the arm and shower
pipe coupling member shower pipe 105 to an attached showerhead. - A fourth embodiment of a shower
arm attachment assembly 500 is depicted inFIGS. 5A and 5B . Like the previously described embodiments, this embodiment of theshowerhead attachment assembly 500 may be used in an arm assembly, such as thearm assembly 110 shown inFIG. 1A . The fourth embodiment may include astud 505 connected to anarm cross-member 510. Thestud 505 may be fused to thearm cross-member 510, or otherwise suitably joined, to form a high strength, water-tight connection. Alternatively, thestud 505 may be integrally formed with thearm cross-member 510. - The
stud 505 may be joined to atee 515 using threads. Thestud 505 may be selectively rotated relative to thetee 515. Thetee 515 may include atee flange 520 extending from atee shaft 525 for engagement with a stepped, interior surface of ashower pipe nut 530. Thetee 515 may be connected to ashower pipe 105 by abutting thetee flange 520 with the stepped interior surface of thenut 530 and threading theshower pipe nut 530 onto theshower pipe 105 as depicted inFIG. 5B . When the stud is joined to thetee 515, and thetee 515 is joined to theshower pipe 105, thestud 505 may be selectively rotated relative to thetee 515. Ajam nut 535 may be threaded onto thetee 515 to substantially prevent rotation of thetee 515 relative to thestud 505. A hole in thejam nut 535 for receiving thetee shaft 525 may be sized slightly smaller than the outer diameter of thetee shaft 525, thus compressing thetee shaft 525 slightly inward onto thestud 505. Such compression locks thetee shaft 525 onto thestud 505, thus substantially limiting rotation of thetee shaft 525 relative to the stud. As thejam nut 535 is thread off thetee shaft 525, thetee shaft 525 is allowed to uncompress, thus allowing thestud 505 to be rotated relative to thetee shaft 525. Accordingly, sufficiently threading thejam nut 535 onto thetee 515 will substantially prevent rotation of thestud 505 relative to thetee 515 while sufficiently unthreading thejam nut 535 from thetee 515 will allow thestud 505 to be rotated relative to thetee 515. - A shower pipe
resilient washer 540 may be placed between thetee flange 520 and theshower pipe 105 to form a water-tight seal between thetee 515 and theshower pipe 105, which prevents water from leaking through the joint formed between thetee 515, theshower pipe 105, and theshower pipe nut 530. Similarly, astud washer 545 may be placed between an interior stepped surface of thetee 515 and thestud 505 to form a water-tight seal between thetee 515 and thestud 505, which prevents water from leaking through the joint formed between thetee 515 and thestud 505. Fluid passages may be defined by inner surfaces of thetee 515 and thestud 505 to convey fluid from theshower pipe 105 to an attached showerhead. - Any of the various components for the various embodiments of the arm assembly, including, but not limited to, the components of the shower arm attachment assembly, may be formed of plastic, metal, ceramic, any other suitable metal, or any combination thereof. Further, any of various components for the arm assembly may be integrally formed or may be formed from two or more parts joined by any suitable joining method.
- All directional references (e.g., upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above, below, vertical, horizontal, clockwise, and counterclockwise) are only used for identification purposes to aid the reader's understanding of the embodiments of the present invention, and do not create limitations, particularly as to the position, orientation, or use of the invention unless specifically set forth in the claims. Joinder references (e.g., attached, coupled, connected, joined, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. As such, joinder references do not necessarily infer that two elements are directly connected and in fixed relation to each other.
- In some instances, components are described with reference to “ends” having a particular characteristic and/or being connected with another part. However, those skilled in the art will recognize that the present invention is not limited to components which terminate immediately beyond their points of connection with other parts. Thus, the term “end” should be interpreted broadly, in a manner that includes areas adjacent, rearward, forward of, or otherwise near the terminus of a particular element, link, component, part, member or the like. In methodologies directly or indirectly set forth herein, various steps and operations are described in one possible order of operation, but those skilled in the art will recognize that steps and operations may be rearranged, replaced, or eliminated without necessarily departing from the spirit and scope of the present invention. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the spirit of the invention as defined in the appended claims.
Claims (25)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US11/869,183 US20080083844A1 (en) | 2006-10-09 | 2007-10-09 | Showerhead attachment assembly |
US14/470,120 US9700909B2 (en) | 2006-10-09 | 2014-08-27 | Shower arm attachment assembly |
US15/644,562 US10215309B2 (en) | 2006-10-09 | 2017-07-07 | Shower arm attachment assembly |
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US82874106P | 2006-10-09 | 2006-10-09 | |
US11/869,183 US20080083844A1 (en) | 2006-10-09 | 2007-10-09 | Showerhead attachment assembly |
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US14/470,120 Division US9700909B2 (en) | 2006-10-09 | 2014-08-27 | Shower arm attachment assembly |
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US20080083844A1 true US20080083844A1 (en) | 2008-04-10 |
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US14/470,120 Active 2028-06-28 US9700909B2 (en) | 2006-10-09 | 2014-08-27 | Shower arm attachment assembly |
US15/644,562 Active 2027-11-17 US10215309B2 (en) | 2006-10-09 | 2017-07-07 | Shower arm attachment assembly |
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US14/470,120 Active 2028-06-28 US9700909B2 (en) | 2006-10-09 | 2014-08-27 | Shower arm attachment assembly |
US15/644,562 Active 2027-11-17 US10215309B2 (en) | 2006-10-09 | 2017-07-07 | Shower arm attachment assembly |
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2007
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2014
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Also Published As
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US20140360614A1 (en) | 2014-12-11 |
US9700909B2 (en) | 2017-07-11 |
US20170304859A1 (en) | 2017-10-26 |
US10215309B2 (en) | 2019-02-26 |
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