US20110043023A1 - Lounge chair with adjustable arm rests - Google Patents
Lounge chair with adjustable arm rests Download PDFInfo
- Publication number
- US20110043023A1 US20110043023A1 US12/903,097 US90309710A US2011043023A1 US 20110043023 A1 US20110043023 A1 US 20110043023A1 US 90309710 A US90309710 A US 90309710A US 2011043023 A1 US2011043023 A1 US 2011043023A1
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- United States
- Prior art keywords
- support
- chair
- armrest
- armrests
- back support
- 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.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/14—Beach chairs ; Chairs for outdoor use, e.g. chairs for relaxation or sun-tanning
- A47C1/143—Chaise lounges
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/28—Folding chairs with flexible coverings for the seat or back elements
- A47C4/42—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal
- A47C4/44—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe
- A47C4/46—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe of adjustable type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/546—Supports for the arms of detachable type
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S297/00—Chairs and seats
- Y10S297/90—Chair for suntanning in the prone, i.e. facedown position
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Special Chairs (AREA)
Abstract
According to some embodiments, the convenience of lounge, pool, and patio furniture is increased by providing adjustable armrests that do not require cumbersome adjustments in order to reposition the armrest. According to some embodiments, an additional pair of armrests may be attached to existing conventional chair designs that have only one pair of armrests in order to increase the utility of the chair, which may be especially useful for lounge chairs, patio furniture, chaise lounges, and the like. According to other embodiments, a lounge chair includes armrests that rotate toward and away from a person sitting in the chair, armrests that remain horizontal as the chair is repositioned, and platforms to support the arms of a person lying in the chair.
Description
- This application is a divisional of co-pending U.S. patent application Ser. No. 12/105,084, filed on Apr. 17, 2008, which is a continuation-in-part of U.S. patent application Ser. No. 10/963,938, filed Oct. 12, 2004, which issued as U.S. Pat. No. 7,703,854, on Apr. 27, 2010, both of which are herein incorporated by reference in their entirety.
- 1. Technical Field
- This disclosure relates generally to pool, patio, and beach furniture, and more particularly, to a lounge chair having improved arm supporting features.
- 2. Description of the Related Art
-
FIGS. 1A , 1B, 2A, 2B, and 3 are diagrams illustrating an arm rest for chairs, chaise lounges, and the like as described in U.S. Pat. No. 5,364,166 issued Nov. 15, 1994 to Peggy Zegeer (“Zegeer”).FIGS. 1A and 1B are side and front elevational diagrams, respectively, illustrating a conventional chaise lounge with a back support and an arm rest in a first position.FIGS. 2A and 2B are side and front elevational diagrams, respectively, illustrating the conventional chaise lounge with the back support and the arm rest in a second position.FIG. 3 is a side diagram illustrating the conventional chaise lounge with the back support and the arm rest in a third position. - Referring to
FIGS. 1A , 1B, 2A, 2B, and 3, aconventional chaise lounge 100 includes a U-shapedadjustable back support 110, aseat support 120, a U-shaped adjustable foot/leg support 130, and two arm rests 140. Theback support 120 and the foot/leg support 130 are adjustable because they attach to theseat support 120 at thepivots 150. Through a familiar adjustment process, thepivots 150 may be used to position theback support 120 and the foot/leg support 130 at different angles relative to theseat support 120. - Two U-shaped leg supports 122 are attached to the
seat support 120, and are pivotable with respect to theseat support 120. The leg supports 122 engage the surface (i.e., the patio, the deck, the beach, the pool apron, the ground) beneath theseat support 120, providing support for theentire chaise lounge 100.Body support material 160 extends vertically down the center of thechaise lounge 100, thesupport material 160 attached to the portions of theback support 110,seat support 120, and foot/leg support 130 that are approximately parallel to the underlying support surface. - The
back support 110 includes aright side 110R and a left side 110L. Eacharm rest 140 is attached to a corresponding one of theright side 110R and the left side 110L of theback support 110 by asecurement device 142. Furthermore, eacharm rest 140 includes avertical brace 144. - In order to vertically adjust the position of the
arm rest 140, thesecurement device 142 may be loosened to release its grip from theback support 110. Thesecurement device 142, along with the attachedarm rest 140, may then be moved to a different vertical position on theback support 110. For example, referring toFIG. 1A , the position A of thesecurement device 142 may be adjusted along the line CD, where the line CD runs longitudinally through the center of thesecurement device 142. Once thesecurement device 142 andarm rest 140 are in the desired position, thesecurement device 142 is tightened to maintain its new position on theback support 110. - The position of the
armrests 140 may also be adjusted in two angular directions. Referring toFIG. 1A , an angle φ may be defined as the angle that the line AB makes with respect to the vertical plane that contains the line CD (InFIG. 1A , this is the plane of the paper). The line AB runs longitudinally through thearmrest 140. For example, inFIGS. 1A and 1B the angle φ is zero degrees and inFIGS. 2A and 2B the angle φ is ninety degrees. - Following the same procedure that was described above for a vertical adjustment of the
arm rest 140, the angle φ may be adjusted. That is, thesecurement device 142 may be loosened to release its grip from theback support 110. Thesecurement device 142, along with the attachedarm rest 140, may then be rotated about the line CD to the desired position and retightened to maintain the desire position. - Referring to
FIG. 1A , the angle θ may be defined as the angle between the line CD and the line AB that runs longitudinally through thearmrest 140. For example,FIGS. 1A , 2A, and 3 illustrate a series of positions for thechaise lounge 100 where the angle θ becomes increasingly larger. The angle θ may be adjusted by manipulating a lever (not shown) that forces a plate having starburst indentations to disengage from a matching plate whose facing surfaces interface with the starburst indentations. The disengagement allows thearmrest 140 to rotate in the 0 direction. Once the desired position is reached, the lever is released to allow the plate and matching plate to re-engage. - In this conventional chaise lounge/arm rest system, the
vertical brace 144 must always be deployed to support the end of thearm rest 140. As shown inFIGS. 1A and 1B , when thearm rest 140 extends in a direction normal to the plane of the back support 110 (φ=0), thevertical brace 144 engages the top of theseat support 120. As shown inFIGS. 2A and 2B , when thearm rest 140 is positioned in a direction parallel to the plane of the back support 110 (φ=90), thevertical brace 144 engages the surface that is supporting thechaise lounge 100. - The
vertical brace 144 has a telescoping adjustment so that regardless of the (θ, φ) position of the arm rest 140 the end of the arm rest is always supported by thevertical brace 144 that is in contact with either thechaise lounge 100 or the surface that supports thechaise lounge 100. - Consequently, with Zegeer's
chaise lounge 100, each time that it becomes desirable or necessary to reposition any one of thearmrests 140, up to three separate manual adjustments must be made to thearmrest 140 or to thesecuring device 142. For example, if a change in the angular position φ or a change in the vertical position along theback support 110 is desired, thesecuring device 142 must be loosened, repositioned in the desired location, and tightened. If a change in the angular position θ is desired, the mechanism on thesecuring device 142 that provides for this movement must be loosened, thearmrest 140 repositioned, and the mechanism tightened. Any time that the vertical position of thearmrest 140 is changed, and in some cases when the angular position φ of the armrest is changed, the telescoping adjustment of thevertical brace 144 must be loosened, adjusted for length, and tightened. - Sunbathers are concerned about obtaining uniform exposure to the sun's rays. While this is obtainable with the
chaise lounge 100 described above, in practice this would prove inconvenient, since as the sun moves across the sky continuous adjustment of thearmrests 140 may be required to prevent the armrests and/or the sunbather's arms from casting shadows on the sunbather. Sunbathers will also frequently change position to alternately expose the dorsal and ventral portions of their bodies. Furthermore, any person who uses thechaise lounge 100 can be expected to frequently change their sitting/reclining/lounging position to find the optimal comfort setting. - Thus, it is desirable to quickly and easily reposition the armrests to provide support to the arms if the position of a person's body on the
chaise lounge 100 is changed. Performing up to six manually intensive adjustments each time a shift in the position of the arm rests 140 is desired may be inconvenient. - Furthermore, because the
right side 110R and the left side 110L of theback support 110 must remain clear of obstructions in order for the securingdevice 142 to be vertically adjustable along the right and left sides of the back support, thebody supporting material 160 will have an increased tendency to stretch and sag between the back support because it is only attached to the portions of the back support that are parallel to the ground. More effective support could be provided if thebody supporting material 160 was also attached to theright side 110R and left side 110L of theback support 110. - Embodiments of the invention address these and other disadvantages of the conventional art described above.
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FIGS. 1A and 1B are side and front elevational diagrams, respectively, illustrating a conventional chaise lounge arranged in a first position. -
FIGS. 2A and 2B are side and front elevational diagrams, respectively, illustrating the conventional chaise lounge arranged in a second position. -
FIG. 3 is a side diagram illustrating the conventional chaise lounge arranged in a third position. -
FIG. 4 is a perspective diagram illustrating a lounge chair according to some embodiments of the invention. -
FIG. 5 is a plan diagram further illustrating the lounge chair ofFIG. 4 . -
FIG. 6A is a perspective view of an exemplary lounge chair according to some embodiments of the invention. -
FIG. 6B is a side view of a lounge chair according to some embodiments of the invention. -
FIG. 6C is a side view of a folded lounge chair according to some embodiments of the invention. -
FIGS. 7A and 7B are diagrams illustrating a chair attachment according to some embodiments of the present invention. -
FIGS. 8A through 8C are diagrams illustrating various positions of a chair attachment according to some embodiments of the invention. - According to embodiments of the invention, a lounge chair that includes two sets of arms provides increased convenience to persons who use the lounge chair. The first set of arms is primarily used when the person's dorsal side is in contact with the lounge chair. The second set of arms is primarily used when the person's ventral side is in contact with the lounge chair. However, it will be recognized that either set of arms may be used in either situation, depending on the tastes and desires of the person using the lounge chair.
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FIG. 4 is a perspective diagram illustrating a first position of an exemplary lounge chair according to some embodiments of the invention. - Referring to
FIG. 4 , alounge chair 200 according to some embodiments of the invention includes anadjustable back support 210, aseat support 220, an adjustable foot/leg support 230, twolegs 240, and fourpivots 245. In the illustrated embodiments, theback support 210, theseat support 220, the foot/leg support 230, andlegs 240 have a tubular metal construction. - The
lounge chair 200 also includes a first set of armrests 250 that consist of a left armrest 250L and aright armrest 250R, twosecurement devices 255 that attach the left armrest 250L and theright armrest 250R to theback support 210, and a second set ofarmrests 260 that consist of aleft armrest 260L and aright armrest 260R. - As shown in
FIG. 4 ,canvas 270 is attached between theback support 210,seat support 220, and foot/leg support 230, providing a region where a person using thelounge chair 200 may be supported. Before thelounge chair 200 is assembled thecanvas 270 is fitted to theback support 210,seat support 220, and foot/leg support 230. This may be easily accomplished by folding the outer edges of the canvas back onto itself and stitching a seam to hold the canvas together. This creates a sleeve that slides over the tubular metal frame that forms theback support 210, theseat support 220, and foot/leg support 230. - It should be apparent that other materials besides canvas may be used, depending on the design of the lounge chair. For example, the material attached between the
back support 210, theseat support 220, and the foot/leg support 230 may consist of many individual bands of plastic tubing, canvas, or other fabric. The individual bands of material may be attached to opposing sides of theback support 210, theseat support 220, and the foot/leg support 230. The bands that are aligned in one direction may be interwoven with the bands of material that are aligned in a second direction to create a lightweight, strong support for persons using thelounge chair 200. The first and second directions may be perpendicular to each other, but they do not have to be. - Alternatively, if a lounge chair having very firm support is required, a wooden lounge chair may have wooden slats attached vertically or horizontally between the
back support 210,seat support 220, or foot/leg support 230. Alternatively, lounge chairs according to embodiments of the invention may also be made of moldable plastic or, for additional reinforcement, plastic laminated with fiberglass. - As is well known in the art, the position of the
adjustable back support 210 and the adjustable foot/leg support 230 with respect to theseat support 220 may be varied by operation of thepivots 245, which attach theback support 210 and the foot/leg support 230 to theseat support 220. Thelegs 240 are pivotably attached at either end to theseat support 220, allowing thelegs 240 to be folded flat against theseat support 220 when thelounge chair 200 is not in use. - There are many different conventional ways in which the
legs 240, theseat support 220, theback support 110, and the foot/leg support 230 may be attached to each other, and there are many different conventional shapes and designs that exist for legs, seat supports, back supports, and foot/leg supports. Likewise, besidespivots 245, there are many alternative conventional mechanisms that may be used to vary the angular relationship betweenseat support 220 and theback support 210, or to vary angular relationship between theseat support 220 and the foot/leg support 230. - A complete description of all such conventional variations and devices is not required, as it will be apparent from the following description that embodiments of the invention may include any conventional furniture configuration where the angular position of the
back support 210 relative to theseat support 220 may be adjusted. Thus, the majority of the following detailed description of embodiments of the invention will be devoted to describing the adjustable arm rests 250, 260 and their movement. - As was explained above, the
securement devices 255 attach thearmrest 250L and 250R to theback support 210. Unlike the conventional securement devices described by Zegeer, thesecurement devices 255 are maintained in a fixed position on theback support 210. That is, thesecurement devices 255 do not move along the PQ or the WX line because of the presence of thecanvas 270 which is attached to theback support 210 along three sides of the back support. - According to some embodiments of the invention, such as those shown in
FIG. 4 , the position of thesecurement device 255 with respect to the PQ and WX lines may be permanently affixed. According to other embodiments of the invention, the position of thesecurement devices 255 along the PQ and WX line may be adjustable between the limits imposed by thecanvas 270 or other supporting material. Either way, embodiments of the invention allow supporting material, such ascanvas 270, to be attached to the upright portions of theback support 210 as well as the horizontal portions of the back support. This is an advantage over the conventional chaise lounge described above because more effective support can be provided to the person who is using the lounge chair. - The
securement devices 255, whether fixed with respect to the PQ and WX lines or adjustable with respect to the PQ and WX lines, allow movement of the armrests 250 in at least two angular directions, θ and φ. - Referring to
FIG. 4 , for thearmrest 250R an angle φ may be defined as the angle between the vertical plane that contains the PQ line and the line RS that runs longitudinally through thearmrest 250R. Similarly, for the armrest 250L, an angle φ may be defined as the angle between the vertical plane that contains the WX line and the line YZ that runs longitudinally through the armrest 250L. As illustrated inFIG. 4 , thearmrest 250R has an angle φ=0 and the armrest 250L has an angle φ=90. - For the
armrest 250R, an angle θ may be defined as the angle between the PQ line and the RS line. For the armrest 250L, an angle θ may be defined as the angle between the WX line and the YZ line. As illustrated inFIG. 4 , thearmrest 250R has an angle θ=0 and the armrest 250L has an angle θ=90. - As illustrated in
FIG. 4 , each of the armrests 250 is independently adjustable. Furthermore, it should be recognized that the armrests 250 andsecurement devices 255 may be configured to allow for any particular θ, φ adjustment limited only by the armrest 250 impinging onto other structures of thelounge chair 200. - In preferred embodiments of the invention, the armrests 250 are configured to be adjusted by a person using the lounge chair through the simple method of pushing and pulling on the particular armrest to achieve the desired position. That is, unlike the conventional chaise lounge described by Zegeer, the
securement devices 255 do not require a manual loosening/retightening to adjust the angular (φ, θ) position of the armrests 250. - According to preferred embodiments of the invention, the force required to push/pull the armrests 250 into a new position is greater than the force exerted by a person resting his or her arm upon one of the armrests 250. In some embodiments of the invention, the
securement devices 255 may consist of a ball and socket joint. Other embodiments of the invention may use other types ofsecurement devices 255, besides ball and socket joints, to achieve the same function. -
FIG. 5 is a plan diagram illustrating theback support 210 and the second set ofarms 260 in further detail. Other portions of thelounge chair 200 that were illustrated inFIG. 4 are omitted in order not to obscure inventive aspects of embodiments of the invention. - Referring to
FIGS. 4 and 5 , preferred embodiments of the invention have a second set ofarmrests 260, consisting of aright armrest 260R and aleft armrest 260L. Typically, a person using thelounge chair 200 will only require the second set ofarmrests 260 when thelounge chair 200 is in a fully or partially reclined position. The second set ofarmrests 260 provides a place where the person using thelounge chair 200 may position and comfortably support her arms above her head. This situation may occur not only when the dorsal part of the body is facing upward but also when the ventral part of the body is facing upward. - The
armrests 260 are also configured to move in at least two angular directions. -
FIG. 4 illustrates the motion of thearmrests 260 in the θ direction, where θ is defined as the angle that thearmrests FIG. 4 , thearmrest 260L lies flush with the back support 210 (θ=0), while thearmrest 260R has been moved to a position that is approximately normal (θ=90) to the PQ line. Typically, a person using thelounge chair 200 and thesecond armrests 260 will be most comfortable when the angle θ between thearmrests 260 and their respective lines PQ, WX is about 180 degrees. In other words, referring toFIG. 5 , a person using thelounge chair 200 and thesecond armrests 260 will be most comfortable when the plane containing the lines PQ and WX is approximately the same as a plane containing the lines NO, UV, where the lines NO, UV pass longitudinally through thearmrests 260. -
FIG. 5 illustrates the motion of thearmrests 260 in the φ direction, where φ is defined as the angle that thearmrests FIG. 5 , both of thearmrests 260 are skewed outwardly from the vertical planes containing the PQ and WX lines. - As illustrated in
FIG. 5 , each of thearmrests 260 is independently adjustable. Furthermore, it should be recognized that thearmrests 260 may be configured to allow for any particular θ, φ adjustment limited only by thearmrest 260 impinging onto other structures of thelounge chair 200. - In preferred embodiments of the invention, the
armrests 260 are configured to be adjusted by a person using the lounge chair through the simple method of pushing and pulling on the particular armrest to achieve the desired position. - According to preferred embodiments of the invention, the force required to push or pull the
armrests 260 into a new position is greater than the force exerted by a person resting his or her arm upon one of thearmrests 260. In some embodiments of the invention, themechanism 265 that allows for the θ, φ movement of thearmrests 260 may consist of a ball and socket joint. Other embodiments of the invention may use other types of conventional mechanisms besides ball and socket joints to achieve the same function. - In the embodiments illustrated in
FIGS. 4 and 5 , there is no movement of thearmrests 260 along the lines PQ and WX. However, in alternative embodiments of the invention there may be adjustable repositioning of the armrests in this direction as well. For example, referring toFIGS. 4 and 5 , telescoping metal rods may be placed inside the upright supports of theback support 210 so that they are aligned with the lines PQ and WX. Thearmrests 260 may then be attached to the end of the telescoping metal rods with ball and socket joints. Thus, thearmrests 260 may be repositioned further away from the chair, by moving the telescoping metal rods outwardly along the lines PQ and WX. - According to some embodiments of the invention, there may be drink or beverage holders incorporated into the second set of
armrests 260, which would allow persons laying belly-down on thelounge chair 200 to conveniently access beverage cans and bottles and prevent the beverage cans and bottles from being spilled and/or stepped on. -
FIG. 6A is a perspective view of an exemplary lounge chair according to some embodiments of the invention.FIG. 6B is a side view of a lounge chair according to some embodiments of the invention.FIG. 6C is a side view of a folded lounge chair according to some embodiments of the invention. - Referring to
FIGS. 6A through 6C , alounge chair 300 according to some embodiments of the invention includes anadjustable back support 310, aseat support 320, an adjustable foot/leg support 330, twolegs 340, fourpivots 345, and asupport member 370. Thelounge chair 300 also includes a set ofarmrests 350 includingright armrest 350R and leftarmrest 350L. Each of thearmrests armrest base 352, anarmrest support 354, a second rotary joint 356, arest 358, a pivot joint 357, and a third rotary joint 359. - The first rotary joint 355 rotatably connects the
armrest base 352 to theback support 310. The first rotary joint 355 enables thearmrest base 352 to rotate with respect to theback support 310 when the position of theback support 310 is adjusted relative to theseat support 320. The second rotary joint 356 rotatably connects thearmrest support 354 to theseat support 320. The pivot joint 357 connects thearmrest support 354 to thearmrest base 352 and allows thearmrest support 354 and thearmrest base 352 to pivot with respect to each other. The second rotary joint 356 and the pivot joint 357 enable thearmrest base 352 to rotate with respect to theseat support 320 when the position of theback support 310 is adjusted relative to theseat support 320. In other words, as theback support 310 is adjusted relative to theseat support 320, the first rotary joint 355, second rotary joint 356, and pivot joint 357 allow thearmrest base 352 to maintain a substantially horizontal position, as shown inFIG. 6B . -
FIG. 6B shows anarmrest 350 in a first position (solid lines) and a second position (dotted lines). The first position corresponds to theback support 310 being in an upright position, for instance, when a person is sitting upright in thelounge chair 300. The second position corresponds to theback support 310 being in a substantially horizontal position, for instance, when a person is lying down in thelounge chair 300. It should be noted that in both of the first and second positions, thearmrest 350 maintains a substantially horizontal position. This is accomplished by the first and second rotary joints, 355 and 356, and thepivot joint 357. Specifically, as theback support 310 rotates about the pivots 345: thearmrest base 352 rotates with respect to theback support 310 at the first rotary joint 355; thearmrest support 354 rotates with respect to theseat support 320 at the second rotary joint 356; and thearmrest base 352 rotates with respect to the armrest support at thepivot joint 357. Thus, therest 358 is maintained in a substantially horizontal position despite the change in the position of theback support 310. - The pivot joint 357 and the second rotary joint 356 can include pivot pins. A first one of the pivot pins can penetrate the
armrest support 354 and theseat support 320 such that thearmrest support 354 can rotate with respect to theseat support 320. A second one of the pivot pins can penetrate thearmrest base 352 and thearmrest support 354 such that thearmrest support 354 can rotate with respect to thearmrest base 352. - The third rotary joint 359 rotatably connects the
rest 358 to thearmrest base 352. The third rotary joint 359 allows therest 358 to rotate with respect to thearmrest base 352 so that therest 358 can be positioned inwards (i.e., across the lap of a person sitting in the chair) or outwards (away from the person). Therest 358 can include aholder 353, which can be use to hold small items, sunglasses, beverages, and the like. A person of ordinary skill in the art will recognize that when a beverage is held in theholder 353, theback support 310 can be adjusted with respect to theseat support 320 without the beverage spilling because therest 358 is maintained in a substantially horizontal position. The third rotary joint 359 can be any type of joint that will allow movement of therest 358 with respect to thearmrest base 352. Further, the third rotary joint 359 can be a freely moveable or configured to be rigidly or semi-rigidly held in various positions. - The
back support 310 can also include ahead rest 315. Thehead rest 315 can be removably attached to theback support 310 by theattachments 316. Theattachments 316 can be, for example, strings that can be tied around the upper portion of theback support 310. Thehead rest 315 can be attached to theback support 310 so as to allow thehead rest 315 to rotate from a front side of the back support 310 (i.e., to be used as a pillow by a person sitting in the chair) to a back side of theback support 310. - The
pivots 345 rotatably connect thelegs 340 at both ends of theseat support 320. Thepivots 345 also connect theseat support 320 to each of theback support 310 and the foot/leg support 330. Thepivots 345 can includelocks 346 that are used to lock thelegs 340 into place. Thelocks 346 can prevent thelegs 340 from moving undesirably while a person is arranging themselves in the chair. Thelegs 340 can also includesupport beams 341 to provide additional mechanical stability to thelegs 340. - According to some embodiments of the invention, the
lounge chair 300 includes a set ofplatforms 380 including aright platform 380R and aleft platform 380L. Each of theright platform 380R and theleft platform 380L includes aplatform frame 382, aplatform support member 384, and at least onechair attachment 386. The at least one chair attachment may correspond to aplatform attachment 388 on theback support 310 of thelounge chair 300. Theplatforms 380 can be rotatably attached to theback support 310 such that the platforms can be rotated so as to be substantially in the plane of theback support 310 during use and rotated behind theback support 310 when not in use. A person of ordinary skill in the art will appreciate that other orientations of theplatforms 380 with respect to theback support 310 are also possible. - Referring to
FIG. 6C , when thelounge chair 300 is not in use, the chair can be folded into a compact form for storage. -
FIGS. 7A and 7B are diagrams illustrating a chair attachment according to some embodiments of the present invention. - Referring to
FIGS. 7A and 7B , thechair attachment 386 is disposed on theplatform frame 382. Aplatform attachment 388 corresponding to thechair attachment 386 can be disposed on theback support 310 of thelounge chair 300. Thechair attachment 386 can include one ormore pins 387 and theplatform attachment 388 can includeholes 389 corresponding to thepins 387. Thepins 387 can engage with theholes 389 to secure theplatform 380 into position. For example, when a person desires to use theplatforms 380, the person can rotate theplatforms 380 from behind theback support 310 until theplatforms 380 are substantially parallel with theback support 310. Then, the person can engage thepins 387 into theholes 389 to lock theplatforms 380 into place. In this way, theplatforms 380 can support the arms of a person lying in thelounge chair 300. When a person is not using theplatforms 380, the person can rotate theplatforms 380 behind theback support 310 and lock theplatforms 380 into place. A person of ordinary skill in the art will appreciate thatmultiple pins 387 can be provided in eachchair attachment 386 so that theplatforms 380 can be secured in several different positions. - Although described above as having pins to lock the
platforms 380 into position, a person of ordinary skill in the art will recognize that other types of chair attachment locking mechanisms are possible. For example, a complementary toothed pivot can be used such that theplatforms 380 can be rigidly held in multiple different positions. -
FIGS. 8A through 8C are diagrams illustrating various positions of a chair attachment according to some embodiments of the invention. - In
FIG. 8A , aplatform 380 is shown in a first position. In the first position, twopins 387 are engaged in twoholes 389 such that the platform is rigidly held in position. InFIG. 8B , theplatform 380 is shown in a second position. In the second position, theplatform 380 has been rotated counter-clockwise with respect to the first position and now onepin 387 is engaged with onehole 389. InFIG. 8C , theplatform 380 is shown in a third position. In the third position, theplatform 380 has been rotated approximately 180 degrees from the first position. Now, the twopins 387 are engaged with twodifferent holes 389, rigidly holding the platform in the third position. Although only shown in three positions, a person of ordinary skill in the art will appreciate that many more positions are possible depending on the positions of thepins 387 and theholes 389. - According to the embodiments of the invention described above, the convenience of lounge, pool, and patio furniture is increased by providing adjustable armrests that do not require cumbersome adjustments in order to reposition the armrest. According to some embodiments of the invention, an additional pair of armrests may be attached to existing conventional chair designs that have only one pair of armrests in order to increase the utility of the chair, which may be especially useful for lounge chairs, patio furniture, chaise lounges, and the like.
- Embodiments of the invention may be practiced in many ways. What follows are exemplary, non-limiting descriptions of some embodiments of the invention.
- According to some embodiments of the invention, a chair includes a seat support, a back support attached to the seat support by a linkage, the linkage configured to adjust an angle between the back support and the seat support, the back support having a right side and a left side, a first armrest attached to the right side of the back support by a first device, and a second armrest attached to the right side of the back support by a second device.
- According to some embodiments, the first device is structured to provide angular movement of the first armrest around a first axis and a second axis, the first axis perpendicular to the second axis.
- According to some embodiments, the second device is structured to provide angular movement of the second armrest around a third axis and a fourth axis, the third axis perpendicular to the fourth axis.
- According to some embodiments, the second device includes a ball and socket joint.
- According to some embodiments, the second device is structured to provide linear movement of the second armrest along a fifth axis.
- According to some embodiments, the second device includes a telescoping part that fits inside the right side of the back support.
- According to some embodiments, the chair also includes a third armrest attached to the left side of the back support by a third device, and a fourth armrest attached to the left side of the back support by a fourth device.
- According to other embodiments of the invention, a folding lounge chair includes a first armrest, a second armrest, a third armrest, and a fourth armrest.
- According to some embodiments, the folding lounge chair includes a frame, the first, second, third, and fourth armrests rotationally affixed to the frame by a first mounting bracket, a second mounting bracket, a third mounting bracket, and a fourth mounting bracket, respectively.
- According to some embodiments, each of the first, second, third, and fourth mounting brackets is configured to rotate the first, second, third, and fourth armrests, respectively, about at least two rotational axes.
- According to some embodiments, the first mounting bracket is configured to linearly displace the first armrest along a first axis and the second mounting bracket is configured to linearly displace the second armrest along a second axis.
- According to some embodiments, the third mounting bracket is configured to linearly displace the third armrest along a third axis and the fourth mounting bracket is configured to linearly displace the fourth armrest along a fourth axis.
- According to some embodiments, the first, second, third, and fourth mounting brackets include ball and socket joints.
- According to some embodiments, the frame is chosen from the group consisting of wood, metal, and moldable plastic.
- According to still other embodiments of the invention, a system includes an armrest and a mounting bracket structured to attach the armrest to a chair with at least two existing armrests.
- According to some embodiments, the mounting bracket is structured to provide rotational movement of the armrest around at least two rotational axes.
- According to some embodiments, the mounting bracket includes a ball and socket joint.
- According to some embodiments, the mounting bracket is structured to provide linear movement of the armrest along a first axis.
- According to some embodiments, the mounting bracket includes a telescoping mechanism.
- According to some embodiments, the armrest includes a beverage holder.
- The preceding embodiments are exemplary. Although the specification may refer to “an”, “alternative”, or “some” embodiment(s) in several locations, this does not necessarily mean that each such reference is to the same embodiment(s), or that the feature only applies to a single embodiment.
- One of ordinary skill in the art will recognize that the concepts taught herein can be tailored to a particular application in many other advantageous ways. Many of the specific features shown herein are design choices. Such minor modifications are encompassed within the embodiments of the invention, and are intended to fall within the scope of the appended claims. In particular, those skilled in the art will recognize that the illustrated embodiments are but one of many alternative implementations that will become apparent upon reading this disclosure.
Claims (9)
1. A chair, comprising:
a seat support;
a back support attached to the seat support by one or more first pivots, the first pivots configured to adjust an angle between the back support and the seat support;
a first armrest and a second armrest, each of the first and second armrests attached to the back support by a first rotary joint and attached to the seat support by a second rotary joint; and
a leg support attached to the seat support by one or more second pivots, the second pivots configured to adjust an angle between the leg support and the seat support.
2. The chair of claim 1 , wherein each of the first and second armrests includes:
an armrest base rotatably attached to the back support by the first rotary joint;
an armrest support rotatably attached to the seat support by the second rotary joint; and
a pivot joint rotatably connecting the armrest base to the armrest support.
3. The chair of claim 2 , wherein each of the first and second armrests further includes a rest rotatably attached to the armrest base by a third rotary joint.
4. The chair of claim 3 , wherein each of the first and second armrests is configured to maintain the associated rest in a substantially horizontal position as the angle between the back support and the seat support is adjusted.
5. The chair of claim 1 , further comprising a pair of legs rotatably attached to first and second ends of the seat support by the first and second pivots.
6. The chair of claim 5 , further comprising locks on the first and second pivots, the locks configured to lock the legs into at least one fixed position with respect to the seat support.
7. The chair of claim 5 , wherein each of the legs includes at least one support beam.
8. The chair of claim 1 , further comprising a headrest removably attached to the back support.
9. The chair of claim 1 , further comprising one or more platforms rotatably attached to the back support.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/903,097 US20110043023A1 (en) | 2004-10-12 | 2010-10-12 | Lounge chair with adjustable arm rests |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US10/963,938 US7703854B2 (en) | 2004-10-12 | 2004-10-12 | Lounge chair with adjustable arm rests |
US12/105,084 US7832804B2 (en) | 2004-10-12 | 2008-04-17 | Lounge chair with adjustable arm rests |
US12/903,097 US20110043023A1 (en) | 2004-10-12 | 2010-10-12 | Lounge chair with adjustable arm rests |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/105,084 Division US7832804B2 (en) | 2004-10-12 | 2008-04-17 | Lounge chair with adjustable arm rests |
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US20110043023A1 true US20110043023A1 (en) | 2011-02-24 |
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US12/903,097 Abandoned US20110043023A1 (en) | 2004-10-12 | 2010-10-12 | Lounge chair with adjustable arm rests |
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Application Number | Title | Priority Date | Filing Date |
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US12/105,084 Active 2024-11-02 US7832804B2 (en) | 2004-10-12 | 2008-04-17 | Lounge chair with adjustable arm rests |
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US6793288B2 (en) * | 2002-11-08 | 2004-09-21 | John Rutty | Back support for a seat |
US6913318B2 (en) * | 2002-12-03 | 2005-07-05 | Pride Mobility Products Corporation | Adjustable seat support for a wheelchair |
US7490906B2 (en) * | 2004-05-27 | 2009-02-17 | Airbus Deutschland Gmbh | Seat backrest for the crew rest compartment of an aircraft |
US7832804B2 (en) * | 2004-10-12 | 2010-11-16 | Lafreniere Sandi | Lounge chair with adjustable arm rests |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103549788A (en) * | 2013-09-05 | 2014-02-05 | 常熟市三新红木家具厂 | Multiuse redwood dining chair |
KR101589829B1 (en) | 2014-10-08 | 2016-02-12 | 김성권 | Small size type folding chair |
DE102014116557A1 (en) | 2014-11-12 | 2016-05-12 | Wolfgang Wilhelm | Storage device for a lounger |
EP3020308A1 (en) | 2014-11-12 | 2016-05-18 | Wolfgang Wilhelm | Support device for a longchair |
Also Published As
Publication number | Publication date |
---|---|
US20080203802A1 (en) | 2008-08-28 |
US7832804B2 (en) | 2010-11-16 |
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