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Adjustable reclining chair

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US3235304A
US3235304A US37225064A US3235304A US 3235304 A US3235304 A US 3235304A US 37225064 A US37225064 A US 37225064A US 3235304 A US3235304 A US 3235304A
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portion
chair
body
supporting
means
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Henry P Glass
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Henry P Glass
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02Rocking chairs
    • A47C3/025Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0255Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame pivotally mounted in the base frame, e.g. swings
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/025Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of a rack-and-pinion or like gearing mechanism
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled adjustable supporting parts
    • A47C1/034Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/0342Reclining or easy chairs having coupled adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/14Beach chairs ; Chairs for outdoor use, e.g. chairs for relaxation or sun-tanning
    • A47C1/143Chaise longues

Description

Feb. 15, 1966 H. P. GLASS 3,235,304

ADJUSTABLE RECLINING CHAIR Filed June 5, 1964 2 Sheets-Sheet 1 BY Xvi/M1 Feb. 15, 1966 H. P. GLASS 3,235,304

ADJUSTABLE RECLINING CHAIR Filed June 5, 1964 2 Sheets-Sheet 2 INVENTOR. /7 f/V/) P, 94 455 BY A 2:

United States Patent 3,235,304 ADJUSTABLE RECLINING CHAIR Henry P. Glass, 666 Lake Shore Drive, Chicago, Ill. Filed June 3, 1964, Ser. No. 372,250 1 Claim. (Cl. 297-19) This invention relates generally to reclining chairs. More particularly, it relates to reclining chairs having improved means to adjust the tilting thereof.

In reclining chairs, i.e., those wherein a person can sit with his feet raised from the ground or floor, it is advantageous to provide means whereby the occupant can adjust or control the tilting or angular position of the chair to select the angle at which he reclines.

It is, therefore, an object of the present invention to provide improved means to adjust or control the tilting of reclining chairs.

Another object is to provide means of the aforesaid character which can be operated by the occupant while he is seated in the chair.

Another object is to provide means of the aforesaid character which are adapted to be employed on chairs of the collapsible or non-collapsible type.

Other objects and advantages of the present invention will hereinafter appear.

In accordance with the present invention, there is provided a chair having a cradle or base portion and a body supporting portion which is movably mounted or suspended on the base portion by means of straps. Rotatable sprocket means are mounted on the base portion of the chair and engage drive means, such as a gear rack, a cord or sprocket chain, which is mounted on the body supporting portion of the chair. The point of engagement of the sprocket and drive means is located a predetermined radial distance from the point of suspension, i.e., where the strap contacts the base portion of the chair. This affords a mechanical advantage whereby rotation of the sprocket means effects tilting or rotation of the body supporting portion of the chair about the point of suspension. Means are provided to lock or latch the sprocket in various positions.

Two embodiments of the invention are disclosed herein. In one embodiment the chair is non-collapsible and employs a rack and pinion type adjustment means. In the other embodiment the chair is collapsible and employs a sprocket and flexible chair type adjustment means.

Both embodiments of my chair illustrated in the drawings incorporate the additional feature of the strap which supports the body supporting portion performing a dual function. The strap which is supported at a pivot point at its center portion not only supports the body portion, but that part of the strap which extends from the pivot to the back of the chair also constitutes an arm rest.

The accompanying drawings illustrate preferred embodiments of the invention but it is to be understood that the embodiments illustrated are susceptible of modications with respect to details thereof without departing from the scope of the appended claims.

In the drawings:

FIG. 1 is a perspective view of an non-collapsible type of reclining chair incorporating the present invention;

FIG. 2 is a side elevational view of the chair in FIG. 1;

FIG. 3 is a cross-sectional view taken along the line 33 of FIG. 2;

FIG. 4 is a side elevational view of a collapsible type of reclining chair incorporating the present invention; and

FIG. 5 is a side elevational view of the chair shown in FIG. 4 but shows the chair in collapsed or folded posi- 3,235,304 Patented Feb. 15, 1966 present invention. Chair 10 comprises a cradle or base portion 12 and a body supporting portion 14 movably mounted thereon. Base portion 12 of chair 10 comprises a first pair of legs 16 and 18 which are joined together to form an apex or suspension point 20 by means of a bracket 22 and a side plate or member 24. Base portion 12 further comprises a second pair of legs 16a and 18a which are joined together by a bracket 22a and a side plate 24a to provide a suspension point 20a. The first and second pairs of legs are joined together by suitable braces 26 and 26a.

Body supporting portion 14 of chair 10 comprises a rigid portion 28 which is fabricated to a desired shape and further comprises, for example, an upholstered portion 30. Body supporting portion 14 of chair 10 is adapted to support the reclining body of an occupant.

Body supporting portion 14 of chair 10 is movably or tiltably supported on base portion 10 by means of a pair of straps 32 and 32a. Preferably the straps 32 and 32a are flexible. Strap 32, for example, is secured in any suitable manner at both of its ends to rigid portion 28 of body supporting portion 14 of chair 10. Strap 32a is similarly connected. Straps 32 and 32a overlie the suspension points 20 and 20a, respectively, on base portion 12 and in this manner body supporting portion 14 of chair 10 is hung or suspended from base portion 12. As is apparent, body supporting portion 14 is movably supported and is pivotable or tiltable for a limited distance about an axis between the suspension points 20 and 20a, unless otherwise restrained.

Means are provided to tilt or pivot body supporting portion 14 of chair 10 on base portion 12 about the aforesaid axis. Thus, there is provided a shaft 34 which is mounted for rotational movement between the side plates 24 and 24a of base portion 12 of chair 10. Shaft 34 is provided with a handle or crank 36 which is rigidly secured thereto and by means of which the shaft can be rotated by an occupant of the chair. An indexing means, including a plate 38 having holes 40 therein around its periphery, is mounted on side plate 24 in association with handle 36. The indexing means further include a retractable pin or snap button 42 (shown in FIG. 3) for cooperation with the holes 40 on plate 38 to rotate and locate the main shaft 34 in any desired rotational position. Shaft 34 is provided with a rotatable driving member or pinion gear 44 which is rigidly secured thereto and rotatable therewith. Pinion gear 44 is adapted to engage a driven member such as a toothed rack 46, shown in FIG. 2, which is rigidly secured as by bracket 48 to the underside of rigid portion 28 of body supporting portion 14 of chair 10.

Chair 10 is operated in the following manner. Assume for example, that chair 10 is initially in the position shown in FIG. 1, i.e., in its most upright position. An occupant of the chair reaches down and disengages pin 42 from an indexing hole 40 in plate 38 and rotates crank 36 clockwise with respect to FIG. 1. This causes corresponding rotation of pinion gear 44 which in turn causes movement of rack 46 and body supporting portion 14 of chair 10. Body supporting portion 14 of chair 10 pivots or tilts with respect to base portion 12 about the axis between pivot points 20 and 20a, moving clockwise with respect to FIG. 1 to a position such as that shown in FIG. 2 or to some other more horizontal position. When a desired position is reached, rotation of crank 36 is stopped and indexing pin 42 is permitted to engage the closest adjacent indexing hole 40 in plate 38 to maintain body supporting portion 14 of chair 10 in the selected position. It will be apparent that movement of body supporting portion 14 of chair 10 is possible even while the chair is occupied if appropriate crank handle length and gear ratios are selected. Such movement is, however,

facilitated by increasing the radial distance between the axis between points 20 and 20a and the point at which the rack 46 and pinion gear 44 mesh.

Referring now to FIGS. 4 and 5, the numeral 50 designates a collapsible type of reclining chair incorporating the present invention. Chair 50 may be assumed, for example, to be a type of Wooden or metal-framed canvas type chair such as is commonly used outdoors. Chair 50 comprises a base portion 52 and a body supporting portion 54 movably mounted thereon. Base portion 52 is understood to comprise two pairs of legs but only one pair camprising the legs 56 and 58 are shown. The legs 56 and 58 are pivotally connected to each other at a pivot or suspension point 60. The legs 56 and 58 are also joined together by a side plate means 62 which comprises two members 62 and 62b which are pivotally connected to each other and which are pivotally connected to the legs 56 and 58, respectively.

Body supporting portion 54 of chair 50 comprises two portions which are pivotally connected together as at a point 64. Body supporting portion 54 of chair 5 is movably or tiltably supported on base portion 52 by means of a pair of flexible straps, only one of which, 66, is shown. Strap 66 is secured in any suitable manner at both of its ends to body supporting portion 54 of chair 50; each end being secured to one of the two portions thereof. Strap 66 overlies suspension point 60 on base portion 52 of chair 50 and in this manner body supporting portion 54 of chair 50 is movably hung or suspended from the base portion. As will be understood, body supporting portion 54 is pivotable or tiltable for a limited distance about an axis on which suspension point 60 lies.

Means are provided to tilt or pivot body supporting portion 54 of chair 50 on base portion 52 about the axis on which point 60 lies. Thus, there is provided a shaft 68 which is mounted for rotational movement on side bracket 62. Shaft 68 also serves as the pivotal connection for the members 62a and 62b of bracket 62. Shaft 68 is provided with a handle or crank 70 which is rigidly secured thereto and by means of which the shaft can be rotated. An indexing means, including a plate 72 having holes 74 therein is mounted on the outeriost member 6212 of side bracket 62. The indexing means also include a retractable pin (not shown) which is understood to be mounted on crank 70 for cooperation with the holes 74. Shaft 68 is provided with a rotatable driving member or pinion gear 76 which is rigidly secured thereto and rotatable therewith. Pinion gear 76 is adapted to enagage a flexible driven member such as a chain 78 which is secured at both of its ends to suitable brackets 80 to the frame of body supporting portion 54 of chair 50; each end being secured to one of the two portions thereof. Chain 78 and strap 66 cooperate to prevent body supporting portion 54 of chair 50 from collapsing at the pivot point between the back rest and the seat portion when the chair is occupied, but to provide for greater rigidity a collapsible link 64 is interposed between these portions.

Chair 50 is operated in a manner similar to chair 10 hereinbefore described in that rotation of crank 70 and gear 76 causes movement of chain 78 and body supporting portion 54 to tilt with respect to base portion 52 about an axis on which pivot point 60 lies. Crank 70 and the indexing means operate in the same manner as the corresponding elements hereinbefore described in connection with FIGS. 1, 2 and 3.

It is to be understood that a chair such as chair 50, if of the tubular frame type, could have a chain or chains associated with either one or both sides, respectively, of its frame. If two chains are employed, then obviously two pinion gears 76 would be required. Or, a single chain and pinion gear could be disposed near the center of the chair. In any event, if a long shaft 68 is required, the shaft may be journalled or supported on brackets similar to bracket 62 shown provided on either side of base portion 52 of chair 50.

Chair 50 is collapsible to the position shown in FIG. 5; the flexibility of chain 78 and straps 66, as well as the location of the various pivot points, permitting this.

Furthermore, although a chain and sprocket or gear have been shown, it is apparent that a flexible wire, cable or band wound around a drumon shaft .68 could be employed instead of the chain and sprocket.

Having now described my invention with reference to the embodiment illustrated in the drawings, I do not wish to be limited thereto, but what I wish to protect by Letters Patent of the United States of America is set forth in the appended claim.

I claim:

In a collapsible reclining chair, in combination, a base comprising two pairs of legs, each pair of legs comprising two legs pivotably connected together at one end to provide an apex, a bracket for connecting the two legs in each pair, said bracket comprising two portions each portion pivotably connected to the other at one of its ends and pivotably connected to one leg at its other end, a body supporting portion comprising two sections pivotably connected together, a pair of flexible straps for pivotably supporting said body supporting portion on said base, each strap being located on a side of said body supporting portion and connected to one section thereof at each of its ends, each of said straps being adapted to overlie an apex on said base, at least one flexible driven member having each of its ends connected to one section of said body supporting portion, a shaft serving as a pivot for the said two portions of said bracket and rotatable with respect thereto, a rotatable member rigidly mounted on said shaft for driving said flexible driven member, a crank for effecting rotation of said rotatable member, and means on said crank for cooperation with indexing means on one portion of said bracket.

References Cited by the Examiner UNITED STATES PATENTS 47,342 4/1865 Sayre 297327 153,478 7/1874 Cutter 297328 358,454 3/1887 Johnson 297327 481,119 8/1892 Parks 267281 557,097 3/1896 Archer 29788 766,836 8/1904 Miller 297282 1,438,667 12/1922 Schops 297329 2,133,471 10/1938 Opperman 297328 2,572,149 10/1951 Hind et al 297--313 2,807,310 9/1957 Sellner 297-329 2,966,202 12/1960 Morse 297-328 3,115,366 12/1963 Glass 297-417 FOREIGN PATENTS Ad. 70,462 12/1958 France.

1,151,003 9/1957 France.

5,508 10/1878 Germany.

1,044,354 11/1958 Germany.

FRANK B. SHERRY, Primary Examiner.

F, K. ZUGEL, Assistant Examiner.

US3235304A 1964-06-03 1964-06-03 Adjustable reclining chair Expired - Lifetime US3235304A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378259A (en) * 1964-11-13 1968-04-16 Edward C. Kupchinski Exercising cot
US3463145A (en) * 1967-01-11 1969-08-26 Christian A Whitaker Electrically activated therapeutic chair
US3999799A (en) * 1974-03-11 1976-12-28 Daswick Alexander C Adjustable reclining chair, and method
US4231612A (en) * 1978-09-01 1980-11-04 Questor Corporation Baby carrier and car seat
US4339103A (en) * 1979-07-26 1982-07-13 Toyota Jidosha Kogyo Kabushiki Kaisha Device for adjusting inclined angle of seating surface of seat cushion
US4662852A (en) * 1986-01-24 1987-05-05 Kransco Manufacturing, Inc. Floating, reclining lounge mechanism
US4790599A (en) * 1986-04-17 1988-12-13 Paul R. Goldman Pivoting recliner apparatus and method
US5498055A (en) * 1993-11-16 1996-03-12 Goldman; Paul R. Recliner: apparatus and method
US5620232A (en) * 1995-07-21 1997-04-15 Laplante; Alvin A. Mechanism to convert angular reciprocal movements into intermittent undirectional rotary movement
WO1997039662A1 (en) * 1996-04-24 1997-10-30 Sunlite Casual Furniture, Inc. Glider with flexible suspension belts
US5967609A (en) * 1996-11-18 1999-10-19 Hwe, Inc. Reclining chair with guide rail system
US5984409A (en) * 1998-04-10 1999-11-16 Somatron Corporation Reclining chair assembly
US6022076A (en) * 1996-04-18 2000-02-08 Samson; Ilan Reclinable seating
US6089593A (en) * 1997-02-10 2000-07-18 Hill-Rom, Inc. Ambulatory care chair
US6135554A (en) * 1998-08-10 2000-10-24 Tsun; Tsai Sung Recliner chair
US6154899A (en) * 1998-10-19 2000-12-05 Hill-Rom, Inc. Resident transfer chair
WO2003059122A1 (en) * 2002-01-18 2003-07-24 Aramburu Echeverria Sebastian Reclining chair
US6726279B1 (en) 1997-02-10 2004-04-27 Hill-Rom Services, Inc. Hydraulic controls for ambulatory care chair
US20070001499A1 (en) * 2005-06-30 2007-01-04 Nathaniel Smith Manual zero gravity reclining chair with adjustable back angle
US20110258771A1 (en) * 2010-04-26 2011-10-27 Nuprodx, Inc. Seat tilt mechanism for chairs used by people with disabilities
US20150216309A1 (en) * 2013-12-05 2015-08-06 Theodore Gerard Habing Adjustable lounge garden swing

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE5508C (en) *
US47342A (en) * 1865-04-18 Improvement in railway-car seats
US153478A (en) * 1874-07-28 Improvement in invalid-chairs
US358454A (en) * 1887-03-01 Car-seat
US481119A (en) * 1892-08-16 Dana parks
US557097A (en) * 1896-03-31 -arches
US766836A (en) * 1903-03-09 1904-08-09 Conrad Miller Folding chair.
US1438667A (en) * 1922-08-26 1922-12-12 Schops Hermann Rocking chair
US2133471A (en) * 1936-06-30 1938-10-18 Dougias Aircraft Company Inc Adjustable chair
US2572149A (en) * 1949-06-03 1951-10-23 Sylvia Hind Wheel chair attachment
US2807310A (en) * 1953-06-11 1957-09-24 John W Sellner Adjustable chair
FR1151003A (en) * 1956-05-25 1958-01-23 Recliner
DE1044354B (en) * 1954-09-06 1958-11-20 Fritz Drabert Dr Ing Patient reclining metal pipe
FR70462E (en) * 1956-08-22 1959-05-06 Recliner
US2966202A (en) * 1958-11-07 1960-12-27 Glenn B Morse Furniture construction
US3115366A (en) * 1962-04-02 1963-12-24 Henry P Glass Lounge furniture having rotatably movable arm rests

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE5508C (en) *
US47342A (en) * 1865-04-18 Improvement in railway-car seats
US153478A (en) * 1874-07-28 Improvement in invalid-chairs
US358454A (en) * 1887-03-01 Car-seat
US481119A (en) * 1892-08-16 Dana parks
US557097A (en) * 1896-03-31 -arches
US766836A (en) * 1903-03-09 1904-08-09 Conrad Miller Folding chair.
US1438667A (en) * 1922-08-26 1922-12-12 Schops Hermann Rocking chair
US2133471A (en) * 1936-06-30 1938-10-18 Dougias Aircraft Company Inc Adjustable chair
US2572149A (en) * 1949-06-03 1951-10-23 Sylvia Hind Wheel chair attachment
US2807310A (en) * 1953-06-11 1957-09-24 John W Sellner Adjustable chair
DE1044354B (en) * 1954-09-06 1958-11-20 Fritz Drabert Dr Ing Patient reclining metal pipe
FR1151003A (en) * 1956-05-25 1958-01-23 Recliner
FR70462E (en) * 1956-08-22 1959-05-06 Recliner
US2966202A (en) * 1958-11-07 1960-12-27 Glenn B Morse Furniture construction
US3115366A (en) * 1962-04-02 1963-12-24 Henry P Glass Lounge furniture having rotatably movable arm rests

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378259A (en) * 1964-11-13 1968-04-16 Edward C. Kupchinski Exercising cot
US3463145A (en) * 1967-01-11 1969-08-26 Christian A Whitaker Electrically activated therapeutic chair
US3999799A (en) * 1974-03-11 1976-12-28 Daswick Alexander C Adjustable reclining chair, and method
US4231612A (en) * 1978-09-01 1980-11-04 Questor Corporation Baby carrier and car seat
US4339103A (en) * 1979-07-26 1982-07-13 Toyota Jidosha Kogyo Kabushiki Kaisha Device for adjusting inclined angle of seating surface of seat cushion
US4662852A (en) * 1986-01-24 1987-05-05 Kransco Manufacturing, Inc. Floating, reclining lounge mechanism
US4790599A (en) * 1986-04-17 1988-12-13 Paul R. Goldman Pivoting recliner apparatus and method
US5498055A (en) * 1993-11-16 1996-03-12 Goldman; Paul R. Recliner: apparatus and method
US5620232A (en) * 1995-07-21 1997-04-15 Laplante; Alvin A. Mechanism to convert angular reciprocal movements into intermittent undirectional rotary movement
US6022076A (en) * 1996-04-18 2000-02-08 Samson; Ilan Reclinable seating
WO1997039662A1 (en) * 1996-04-24 1997-10-30 Sunlite Casual Furniture, Inc. Glider with flexible suspension belts
US5967609A (en) * 1996-11-18 1999-10-19 Hwe, Inc. Reclining chair with guide rail system
US6012774A (en) * 1996-11-18 2000-01-11 Hwe, Inc. Reclining chair with guide rail system
US6565112B2 (en) 1997-02-10 2003-05-20 Hill-Rom Services, Inc. Ambulatory care chair
US6089593A (en) * 1997-02-10 2000-07-18 Hill-Rom, Inc. Ambulatory care chair
US6726279B1 (en) 1997-02-10 2004-04-27 Hill-Rom Services, Inc. Hydraulic controls for ambulatory care chair
US6846042B2 (en) 1997-02-10 2005-01-25 Hill-Rom Services, Inc. Ambulatory care chair
US6315319B1 (en) 1997-02-10 2001-11-13 Hill-Rom Services, Inc. Ambulatory care chair
US5984409A (en) * 1998-04-10 1999-11-16 Somatron Corporation Reclining chair assembly
US6135554A (en) * 1998-08-10 2000-10-24 Tsun; Tsai Sung Recliner chair
US6185769B1 (en) 1998-10-19 2001-02-13 Hill-Rom, Inc. Resident transfer chair
US6154899A (en) * 1998-10-19 2000-12-05 Hill-Rom, Inc. Resident transfer chair
WO2003059122A1 (en) * 2002-01-18 2003-07-24 Aramburu Echeverria Sebastian Reclining chair
ES2192476A1 (en) * 2002-01-18 2003-10-01 Echevarria Sebastian Aramburu recliners.
US20050077769A1 (en) * 2002-01-18 2005-04-14 Sebastian Aramburu Echeverria Reclining chair
US7052088B2 (en) 2002-01-18 2006-05-30 Aramburu Echeverria Sebastian Reclining chair
US20070001499A1 (en) * 2005-06-30 2007-01-04 Nathaniel Smith Manual zero gravity reclining chair with adjustable back angle
US7311359B2 (en) 2005-06-30 2007-12-25 Nepsco, Inc. Manual zero gravity reclining chair with adjustable back angle
US20110258771A1 (en) * 2010-04-26 2011-10-27 Nuprodx, Inc. Seat tilt mechanism for chairs used by people with disabilities
US20150216309A1 (en) * 2013-12-05 2015-08-06 Theodore Gerard Habing Adjustable lounge garden swing

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