US3315996A - Counter frame latch joint - Google Patents
Counter frame latch joint Download PDFInfo
- Publication number
- US3315996A US3315996A US431399A US43139965A US3315996A US 3315996 A US3315996 A US 3315996A US 431399 A US431399 A US 431399A US 43139965 A US43139965 A US 43139965A US 3315996 A US3315996 A US 3315996A
- Authority
- US
- United States
- Prior art keywords
- feet
- members
- slots
- sheet metal
- horizontal
- 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.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 238000010276 construction Methods 0.000 description 2
- BMZIBHZDQPLVIS-UHFFFAOYSA-N 4-[2-(2-morpholin-4-ylethylselanyl)ethyl]morpholine Chemical compound C1COCCN1CC[Se]CCN1CCOCC1 BMZIBHZDQPLVIS-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/14—Tubular connecting elements for wire stands
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/20—Connections with hook-like parts gripping behind a blind side of an element to be connected
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7016—Diametric end slot is joint component
Definitions
- This invention relates to sectional frames such as are employed in merchandise display gondolas and the like and particularly to such frames as are adapted for as sembly and disassembly by the merchant using the same.
- Sectional frames of this type are conventionally made up of a rigid base section which is referred to as a bridge assembly and one or more so-called added sections which are added consecutively in chain-like fashion to one end or the other, or to both ends of the rigid base section.
- the entire sectional frame includes vertical posts and upper and lower horizontal stringers and lies in a single vertical plane. It is held upright by transverse members extending laterally therefrom on the level of the lower stringers, said members having short legs near their outer ends which rest on the floor. Outer ends of said transverse members are joined by horizontal channel members detachably secured to said transverse members.
- a sectional frame may be provided with such transverse members on one side of said frame only or duplicate sets of transverse members may be provided which extends symmetrically from opposite sides of said frame.
- plastic bumper strips are mounted along the front faces of said horizontal channel members, these being supported on sheet metal adapter strips which are welded along the front edge of said horizontal members and are slidably received by longitudinal slots formed by extrusion in the rear faces of said bumper.
- the former practice above described required that the adapter strip terminate flush with the end of the longitudinal channel member on which it was welded.
- the bumper strip mounted on said adapter strip had to provided in an end extend beyond the end of said horizontal channel member to overlie the end of said transverse member. Said bumper strip was thus subject to being broken by an inadvertent blow delivered against the bumper strip just inwardly from where said longitudinal member abutted against said transverse member.
- FIG. 1 is a diagrammatic perspective view of a sectional frame made up of a rigid section and an added section with said frame fully assembled by use of the present invention.
- PEG. 2 is an enlarged fragmentary planned view of a portion of the sectional frame shown in FIG. 1 and illustrates the improved counter frame latch joint of the invention performing its function rigidly connecting a pair of aligned horizontal channel members in abutting relation with an end portion of a transverse frame member, this view also illustrating how the bumper strips mounted on the front faces of said horizontal channel members are rigidly supported in abutting relation overlying the front end of said transverse member.
- FIG. 3 is a vertical sectional view taken on the line 33 of FIG. 2 and shows how the locking lugs of the invention have been inserted in their respective slots provided respectively therefor in said transverse member and then shifted into locking relation with said member after which the snap locking means of said joint snap into place to retain said horizontal channel members in rigidly locked abutting relation with said end portion of said transverse member.
- This view also shows how a tool may be inserted downwardly through a suitable small hole portion of each of said horizontal channel members to release the latch means "of the joint of the invention to permit one of said horizontal channel members to be shifted upwardly relative to said transverse member so as to separate said members.
- FIG. 4 is an exploded view taken on the same plane as FIG. 3 and illustrating the latch joint for connecting one of said horizontal channel members to said transverse members entirely disconnected therefrom while the latch joint for connecting the other horizontal channel member with said transverse member is in the process of either being moved into locking relation or moved out of locking relation.
- FIG. 5 is a fragmentary view taken on the line 5-5 of FIG. 4 and shows the slots provided in each of the vertical walls of said end portion of said transverse member for accommodating the locking lugs and the latch dog of the latch joint of the invention.
- FIG. 6 is an end view of one of said horizontal channel members and is taken on the line 6--6 of FIG. 4 and illustrates the manner of mounting the aforementioned bumper strip on the outer face of said horizontal channel member and also shows the two locking lugs and the spring latch of the invention and the manner in which these are mounted on said channel member.
- FIG. 7 is an exploded view showing the latch joint bracket on which the locking feet of the invention as well as the spring steel clip thereof are mounted, said clip being shown lifted upwardly and in separated relation with said bracket so as to disclose the structure thereof.
- FIG. 8 is a slightly enlarged perspective view of the two frame sections shown fully assembled in FIG. 1, with said sections in disassembled relation with each other and illustrating the contiguous points between said sections at which the latch joint of the invention is adapted to be provided thereon for accomplishing the assembly of said sections.
- FIG. 9 is an enlarged perspective view of the two latch joints of the invention shown in FIG. 2 with port-ions of the structure thereof cut away on line 3-3, with the joint on the left hand shown completely engaged while the joint on the right side of this view is shown as partially disengaged.
- FIG. 10 is a vertical sectional view through the joint of the invention as this is applied to connecting the free end of the bottom stringer of an added section to the tubular vertical post at the closed end of another section.
- FIG. 11 is a horizontal sectional view taken on the line 11-11 of FIG. 10.
- FIG. 12 is a perspective view of said free end of said bottom stringer and illustrates the details of the invention embodied therewith.
- FIG. 12a is a fragmentary detail view taken on the line 12a-12a in FIG. 11.
- a sectional gondola frame 15 which is made up of a rigid section 16 and an added section 17.
- Rigid section 16 includes vertical posts 18 and 19 which are rigidly spaced by upper and lower stringers 20 and 21, which are welded at their opposite ends to said posts, and a vertical strut 22 joins said stringers at their midpoints.
- the rigid section 16 may be considered as also embracing two pairs 23 and 24 of transverse members having short legs 25 at their outer ends and which are demounta-bly attached to posts 18 and 19 so that the legs 25 co-operate with the lower ends of said posts in supporting the rigid section 16 in a vertical plane.
- Outer end portions of transverse members 23 and 24 are connected together by longitudinal channel members 30. The joints between these channel members and said transverse members are shown in the drawings as being accomplished by the latch joint of the present invention, as will be made clear hereinafter.
- the added section 17 includes a single vertical post 31, to which corresponding ends of upper and lower stringers 32 and 33 are permanently secured as by welding, while upper and lower ends of a strut 34 placed between said stringers at their mid-points, are welded thereto to rigidly unite said post, stringers and strut.
- the added section 17 is then supplemented by a single pair of transverse members 35 which are demountably connected with post 31 and have short legs 36 at their outer ends which cooperate with post 31 to support added section 17 in a vertical plane when the lefthand free ends of stringers 32 and 33 are secured by suitable demountable joints to the post 19 of rigid section 16 as shown in FIG. 1.
- the outer ends of the pair of transverse members 24 and the pair of transverse members 35 are adapted to be demountably connected together by longitudinal channel members 37.
- the present invention is particularly adapted for use, when assembling the sectional gondola frame 15, in connecting the free end of lower stringer 33 of added section 17 to the vertical post 19 of rigid section 16 and to demountably connecting the longitudinal members 30 and 37 to the outer ends of pairs of transverse members 23, 24 and 35.
- the invention might also be used for joining the free end of upper stringer 32 to the contiguous end of upper stringer 20 of rigid section 16.
- the righthand end portion 38 of upper stringer 20 of rigid section 16 may be left open, and the left end portion of upper stringer 32 of added section 17 be provided with a tongue 39 rigidly mounted therein, said tongue having a latch 40 and being insertable into the open righthand end of upper stringer 20 until the two stringers are brought into end-to-end abutment,-whereupon the spring latch 40 snaps into place over the upper end of the sidewall of the post 19 so as to retain the upper stringer 20 of the rigid section 16 and the upper stringer 32 of added section 17 thus rigidly united in end-to-end aligned relation.
- the present invention will first be described in its association with the post 19 and lower stringer 33 for the purpose of joining these elements of the frame 15.
- the lower stringers 21 and 33 are seen to include a central inverted channel 45 which is formed integral with lateral tray supporting troughs 46.
- the channel 45 of lower stringer 33 has a horizontal upper wall 47 having a central opening 48 at its end for a purpose which will be made clear hereinafter.
- a foot bracket 49 comprising a sheet metal stamping with an inverted-hat cross-section to include a bottom wall 50, side walls 51 and horizontal flanges 52, which extend outwardly from upper edges of said sidewalls, and are spot welded to the horizontal upper wall 47 of said channel.
- the bracket 49 is so installed as to be flush with the front end of channel 45 and has, integrally formed on the sidewalls 51, a pair of locking feet 53 which lie in spaced vertical planes which are parallel with the lower stringer and have notches 54 extending upwardly in their lower edges flush with the open end of channel 45 so that said feet constitute downwardly facing hooks.
- a catch spring 60 Disposed within the bracket 49 and anchored to the bottom wall 50 as by a rivet 55 is a catch spring 60 the front end portion 61 of which is bent upwardly so as to be spring biased just outwardly from the open end of channel 45 and has formed along its upper edge a backwardly inclined flange 62, while just below this flange a semi-cylindrical cup is outstruck forwardly from spring end portion 61 to form a catch 63 which faces upwardly in a vertical plane parallel with and located midway between said feet.
- a rectangular aperture 66 which is so located that when feet 53 are thus extended through slots 65 and shifted downwardly into hooking relation with the lower ends thereof, the catch 63 will be spring biased into said aperture thereby latching the locking feet 53 in locking relation with the slots 65.
- a screw driver may be inserted downwardly through the opening 48 in said stringer and by deflecting the catch 63 out of the aperture 66, the bottom stringer will be free to be lifted upwardly to the upper limits of slots 65 whereupon the feet 53 may be readily withdrawn horizontally from said slots.
- the counter frame latch joint of the present invention may advantageously be utilized in demountably connecting the opposite ends of longitudinal channel members and 37 to the outer end portions of transverse members 23, 24 and 35.
- the transverse members 23, 24- :and are of tubular metallic construction with a square cross-section so that flat sidewalls 67 of said members are vertical.
- each of the longitudinal channel members 30 and 37 includes an upper horizontal wall 75 having vertical walls 76 formed downwardly from its side edges. It is also to be noted that upper wall 75 has formed therein at each of the ends of said channel members a notched opening 77 which is equivalent in location and function to the central opening 48 formed in the open end of lower stringer 33 of added section 17, and above described.
- bracket 78 Mounted in each of the end portions of each of the longitudinal channel members 30 and 37 is a bracket 78 which is similar in construction to the foot bracket 49 above described and provides a pair of locking feet 79 which extend forwardly in vertical planes which are parallel with said channel members and which are provided with notches 80 in their lower edges enabling them to hook downwardly in performing their locking function in the same manner as locking feet 53 provided on the bracket 49.
- a catch spring 81 is mounted in the bracket 78 and is secured thereto as by a rivet 82 so that a forward portion 83 of said spring, which is bent upwardly, is provided with a disengaging flange 84 at its upper end and a forwardly outstruck catch 85 which faces upwardly, and is spring biased forwardly just outwardly from the outer end of the channel member in which said bracket is mounted.
- each of the longitudinal channel members 30 and 37 is provided with an adapter strip 90 which is formed of thin sheet metal to provide support for a decorative plastic bumper strip 91 which is adapted to be mounted on the adapter strip by a longitudinal sliding movement relative thereto.
- the present invention has the advantage of permitting said adapter strip to be permanently united with each of the longitudinal channel members 30 and 37 with said adapter strip extending lengthwise beyond the ends of said channel members so as to overlie the outer ends 68 of transverse members 23, 24 and 35.
- the end portions of the bumper strips are supported by the adapter strip throughout their length and particularly where they overlie the juncture between the longitudinal channel members and the transverse members.
- a latch joint for use in assembling a frame by demountably connecting an end of a horizontal sheet metal channel member in abutting relation with a vertical wall of a hollow sheet metal member, the combination of: a sheet metal frame channel member having a horizontal main wall and side walls bent vertically downwardly from side edges of said main wall, one end of said channel member being open; a sheet metal foot carrying bracket having an inverted-hat cross section and including a lower horizontal wall, vertical side walls, horizontal flanges bent outwardly from upper edges of said side walls, and a pair of locking feet formed integral and coplanar with said bracket side walls and extending endwise in a given direction therefrom, said bracket being inserted into said open end of said frame channel member and rigidly secured to the latter with said feet extending endwise from said open end; a latch spring mounted within said bracket said spring having a catch provided thereon which faces upwardly and is spring biased a slight distance outwardly from said open end of said channel member between said locking feet, the latter being notched upwardly in their lower edges flush with said
- a latch joint for use in assembling a frame by demountably connecting hollow sheet metal frame members, the combination of: a hollow horizontal sheet metal frame member having an open end; a sheet metal bracket mounted within said open end portion of said member; a pair of locking feet formed integrally upon said bracket and extending endwise in spaced vertical planes from said open end of said member, said feet forming downward facing hooks; spring catch means mounted within said bracket and including a catch facing upwardly and spring biased outwardly from said open end of said memher; and a second hollow sheet metal frame member having a vertical wall, in which is formed a pair of horizontally spaced parallel vertical slots adapted for receiving said feet, the latter then being shiftable downwardly to hook said feet Over lower end portions of said slots, said Wall also having an aperture between said slots for receiving said catch whereby said members are locked together by said feet with said horizontal member in endwise abutment with said vertical wall of said second member, and disengagement of a said feet is prevented. by said catch.
Description
Claims (1)
- 2. IN A LATCH JOINT FOR USE IN ASSEMBLING A FRAME BY DEMOUNTABLY CONNECTING HOLLOW SHEET METAL FRAME MEMBERS, THE COMBINATION OF: A HOLLOW HORIZONTAL SHEET METAL FRAME MEMBER HAVING AN OPEN END; A SHEET METAL BRACKET MOUNTED WITHIN SAID OPEN END PORTION OF SAID MEMBER; A PAIR OF LOCKING FEET FORMED INTEGRALLY UPON SAID BRACKET AND EXTENDING ENDWISE IN SPACED VERTICAL PLANES FROM SAID OPEN END OF SAID MEMBER, SAID FEET FORMING DOWNWARD FACING HOOKS; SPRING CATCH MEANS MOUNTED WITHIN SAID BRACKET AND INCLUDING A CATCH FACING UPWARDLY AND SPRING BIASED OUTWARDLY FROM SAID OPEN END OF SAID MEMBER; AND A SECOND HOLLOW SHEET METAL FRAME MEMBER HAVING A VERTICAL WALL, IN WHICH IS FORMED A PAIR OF HORIZONTALLY SPACED PARALLEL VERTICAL SLOTS ADAPTED FOR RECEIVING SAID FEET, THE LATTER THEN BEING SHIFTABLE DOWNWARDLY TO HOOK SAID FEET OVER LOWER END PORTIONS OF SAID SLOTS, SAID WALL ALSO HAVING AN APERTURE BETWEEN SAID SLOTS FOR RECEIVING SAID CATCH WHEREBY SAID MEMBERS ARE LOCKED TOGETHER BY SAID FEET WITH SAID HORIZONTAL MEMBER IN ENDWISE ABUTMENT WITH SAID VERTICAL WALL OF SAID SECOND MEMBER, AND DISENGAGEMENT OF A SAID FEET IS PREVENTED BY SAID CATCH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US431399A US3315996A (en) | 1965-02-09 | 1965-02-09 | Counter frame latch joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US431399A US3315996A (en) | 1965-02-09 | 1965-02-09 | Counter frame latch joint |
Publications (1)
Publication Number | Publication Date |
---|---|
US3315996A true US3315996A (en) | 1967-04-25 |
Family
ID=23711773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US431399A Expired - Lifetime US3315996A (en) | 1965-02-09 | 1965-02-09 | Counter frame latch joint |
Country Status (1)
Country | Link |
---|---|
US (1) | US3315996A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3450426A (en) * | 1968-05-10 | 1969-06-17 | Acme Appliance Mfg Co | Panel frame corner connector |
DE1759212B1 (en) * | 1968-04-10 | 1970-01-02 | Bruno Heibges | Rod lock for the support rods of cover plates, in particular of smoke and ventilation pipes, chutes or the like. |
US3867047A (en) * | 1973-11-12 | 1975-02-18 | Emerson Electric Co | Joint construction |
US4063835A (en) * | 1977-01-27 | 1977-12-20 | E-Z Rect-Metal Products Ltd. | Frame construction |
US4157228A (en) * | 1977-07-14 | 1979-06-05 | Hammerschlag Peter G | Locking tab for hook-in type shelving |
US4341486A (en) * | 1977-07-14 | 1982-07-27 | Hammerschlag Peter G | Locking tab for hook-in type shelving |
US4508209A (en) * | 1983-10-11 | 1985-04-02 | Lear Siegler, Inc. | Accessory attachment for conveyors |
US5082388A (en) * | 1991-02-22 | 1992-01-21 | E-Z-Rect Manufacturing Ltd. | Locking tab for hook-in type shelving |
WO2016034296A1 (en) * | 2014-09-01 | 2016-03-10 | Wanzl Metallwarenfabrik Gmbh | Socket pipe connection and sales table with at least one socket pipe connection |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2088320A (en) * | 1935-02-15 | 1937-07-27 | Yzerhandel I M De Vries Nv | Fastening |
US2200158A (en) * | 1937-11-08 | 1940-05-07 | Naamlooze Vennootschap Yzerhan | Concealed fastening |
US2781110A (en) * | 1953-06-30 | 1957-02-12 | Warren C Weller | Connector for structural elements |
US3047108A (en) * | 1961-04-24 | 1962-07-31 | Altrui Thomas N D | Automatic lock for demountable storage racks |
US3208778A (en) * | 1962-10-04 | 1965-09-28 | Storack Corp | Interlocking structural members |
-
1965
- 1965-02-09 US US431399A patent/US3315996A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2088320A (en) * | 1935-02-15 | 1937-07-27 | Yzerhandel I M De Vries Nv | Fastening |
US2200158A (en) * | 1937-11-08 | 1940-05-07 | Naamlooze Vennootschap Yzerhan | Concealed fastening |
US2781110A (en) * | 1953-06-30 | 1957-02-12 | Warren C Weller | Connector for structural elements |
US3047108A (en) * | 1961-04-24 | 1962-07-31 | Altrui Thomas N D | Automatic lock for demountable storage racks |
US3208778A (en) * | 1962-10-04 | 1965-09-28 | Storack Corp | Interlocking structural members |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1759212B1 (en) * | 1968-04-10 | 1970-01-02 | Bruno Heibges | Rod lock for the support rods of cover plates, in particular of smoke and ventilation pipes, chutes or the like. |
US3450426A (en) * | 1968-05-10 | 1969-06-17 | Acme Appliance Mfg Co | Panel frame corner connector |
US3867047A (en) * | 1973-11-12 | 1975-02-18 | Emerson Electric Co | Joint construction |
US4063835A (en) * | 1977-01-27 | 1977-12-20 | E-Z Rect-Metal Products Ltd. | Frame construction |
US4157228A (en) * | 1977-07-14 | 1979-06-05 | Hammerschlag Peter G | Locking tab for hook-in type shelving |
US4341486A (en) * | 1977-07-14 | 1982-07-27 | Hammerschlag Peter G | Locking tab for hook-in type shelving |
US4508209A (en) * | 1983-10-11 | 1985-04-02 | Lear Siegler, Inc. | Accessory attachment for conveyors |
US5082388A (en) * | 1991-02-22 | 1992-01-21 | E-Z-Rect Manufacturing Ltd. | Locking tab for hook-in type shelving |
WO2016034296A1 (en) * | 2014-09-01 | 2016-03-10 | Wanzl Metallwarenfabrik Gmbh | Socket pipe connection and sales table with at least one socket pipe connection |
CN106795901A (en) * | 2014-09-01 | 2017-05-31 | 德国万众金属制品有限公司 | Intubation attachment structure and the selling counter with least one intubation attachment structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: AMERICAN DESK MANUFACTURING COMPANY, Free format text: MERGER;ASSIGNOR:KIDDE MERCHANDISING EQUIPMENT GROUP, INC.;REEL/FRAME:004141/0483 Effective date: 19820527 Owner name: BUZZDUFF LIQUIDATING, INC. Free format text: CHANGE OF NAME;ASSIGNOR:AMERICAN DESK MANUFACTURING COMPANY;REEL/FRAME:004141/0486 Effective date: 19820805 Owner name: AMERICAN DESK MANUFACTURING COMPANY, Free format text: CHANGE OF NAME;ASSIGNOR:JJB ACQUISITION CORPORATION,;REEL/FRAME:004141/0488 Effective date: 19830128 Owner name: AMERICAN DESK MANUFACTURING COMPANY, TEXAS Free format text: MERGER;ASSIGNOR:KIDDE MERCHANDISING EQUIPMENT GROUP, INC.;REEL/FRAME:004141/0483 Effective date: 19820527 Owner name: AMERICAN DESK MANUFACTURING COMPANY, TEXAS Free format text: CHANGE OF NAME;ASSIGNOR:JJB ACQUISITION CORPORATION,;REEL/FRAME:004141/0488 Effective date: 19830128 |