WO1994000038B1 - Modular wall proximity reclining chair and method - Google Patents
Modular wall proximity reclining chair and methodInfo
- Publication number
- WO1994000038B1 WO1994000038B1 PCT/US1993/005847 US9305847W WO9400038B1 WO 1994000038 B1 WO1994000038 B1 WO 1994000038B1 US 9305847 W US9305847 W US 9305847W WO 9400038 B1 WO9400038 B1 WO 9400038B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- assembly
- movement
- seat
- leg rest
- drive rod
- Prior art date
Links
- 230000000712 assembly Effects 0.000 claims 3
- 230000001186 cumulative Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000000717 retained Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
Abstract
A modular wall proximity reclining/tilt chair and method for assembling it are disclosed. The modular wall proximity reclining/tilt chair (10) includes a simplified actuation mechanism (12) which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The construction is such that the pre-assembled actuation mechanism (12) is integrally suspended from and interdependent with box-like modular frame components (24, 26, 28). In this manner, the frame components (24, 26, 28) can be upholstered prior to final assembly with the actuation mechanism (12).
Claims
1. A method for assembling a wall proximity reclining chair comprising the steps of: providing an actuation mechanism; suspending said actuation mechanism between a pair of side frame
members; interconnecting cross rail members with said side frame members to define a chair frame within which said actuation mechanism is operably supported; providing a seat assembly having a seat, a seat back, and swing link means for pivotally interconnecting said seat back and said seat; connecting said swing link means to said side frame members for suspending said seat assembly therebetween, said swing link means operable to permit reclining movement of said seat assembly with respect to said chair frame between an upright position and a reclined position in response to pressure applied by a seat occupant to said seat back; connecting bearing linkages to a lower portion of said side frame members, said bearing linkages having wheel means secured thereon; providing a stationary base assembly having track means; and inserting said wheel means of said bearing linkages into said track means, whereby said chair frame is supported for translation movement relative to said base assembly in response to reclining movement of said seat assembly.
2. The method of Claim 1 wherein said actuation mechanism includes a drive rod and a support shaft that are rigidly maintained in predetermined spatial arrangement to permit sliding insertion of the opposite ends thereof into first
and second sets of alignable bores formed in said side frame members, and wherein
said drive rod is selectively rotatable with respect to said second set of alignable bores while said support shaft is inhibited from rotation within said first set of alignable bores in response to rotation of said drive rod.
3. The method of Claim 2 wherein said step of connecting said swing link means comprises: connecting said swing link means to a third set of alignable bores formed in said side frame members; providing guide means for guiding and limiting the fore and aft movement of said seat with respect to said support shaft in response to reclining movement of said seat assembly; and connecting a frame portion of said seat to said guide means.
4. The method of Claim 3 further comprising the step of operably suspending a leg rest assembly from said front support shaft and said drive rod of said actuation mechanism for movement between a retracted position and an extended position in response to selective rotation of said drive rod, said movement
of said leg rest assembly being independent from said reclining movement of said seat assembly and said translational movement of said chair frame, said leg rest assembly including a leg rest frame board and a pantograph linkage, said pantograph
linkage being journally suspended from said support shaft and directly coupled to
said drive rod such that selective rotation of said drive rod moves said leg rest frame board between said retracted and extended positions.
5. The method of Claim 4 further comprising the step of connecting tilt linkages between said drive rod and said bearing linkages for tilting said chair frame relative to said base assembly in response to movement of said leg rest assembly.
6. The method of Claim 5 further comprising the step of suspending an over-center linkage between said drive rod and said support shaft, said over-center linkage having' spring means for biasingly retaining said leg rest assembly in said retracted position when said drive rod is rotated to a first position and for biasingly driving said leg rest assembly toward said extended position when said drive rod is rotated to a second position.
7. The method of Claim 5 further comprising the steps of providing push link means that are suspended from said guide means of said swing
link means and said drive rod of said actuation mechanism, and connecting said push link means to said base assembly for causing said translational movement of said bearing linkages within said track means in response to reclining movement of said seat assembly, whereby said seat assembly can be reclined independently from
actuation of said leg rest assembly.
8. The method of Claim 7 further comprising orienting said track means to cause said chair frame to tilt relative to said base assembly upon translational movement of said bearing linkages within said track means, said tilting movement due to translational movement and tilting movement due to movement of said leg rest assembly being independent and cumulative in nature.
9. The method of Claim 1 further comprising the step of
upholstering said left and right side frame members and said cross frame members prior to interconnection into said rigid chair frame.
10. Th'e method of Claim 1 further comprising the step of providing stop means between said side frame members and said base assembly to assist in
making said chair frame rigidly stationary by defining the limits of said translational movement therebetween.
11. A method of modular assembly for a wall proximity reclining chair, said method comprising the steps of: providing an actuation mechanism having first and second shafts; providing a pair of side frame members;
inserting opposite ends of said first shaft into a first set of alignable bores formed in said side frame members for suspending said first shaft therebetween; inserting opposite ends of said second shaft into a second set of
alignable bores formed in said side frame members for suspending said second shaft therebetween;
connecting front and rear cross frame members between said side frame members to define a chair frame, said actuation mechanism being integrally retained within said chair frame; providing a seat assembly having a seat, a seat back, and swing link means for pivotally interconnecting said seat back and said seat; connecting said swing link means to a third set of alignable bores formed in said side frame members for suspending said seat assembly therebetween, said swing link means operable to permit reclining movement of said seat assembly with respect to said chair frame between an upright position and a reclined position in response to pressure applied by a seat occupant to said seat back; connecting guide means between said second shaft and said seat for guiding and limiliii" fore and aft movement of said seat with respect to said second shaft in response to reclining movement of said seat assembly; connecting bearing linkages to a lower portion of said side frame members, said bearing linkages having wheel means secured thereon;
providing a stationary base assembly having track means; inserting said wheel means of said bearing linkages into said track means for permitting translational movement of said chair frame relative to said base assembly in response to reclining movement of said seat assembly;
connecting push linkages that are suspended between said first shaft and said guide means to said base assembly for cooperating with said swing link
means to cause said translational movement of said chair frame; supporting a leg rest assembly from said first and second shafts for movement between a retracted position and an extended position in response to selective rotation of said first shaft, said movement of said leg rest assembly being independent from said reclining movement of said seat assembly; and connecting tilt linkages between said first shaft and said bearing linkages for tilting said chair frame relative to said base assembly in response to movement of said leg rest assembly.
12. The method of Claim 11 wherein said first shaft of said actuation mechanism is a drive rod and said second shaft is a support shaft, said drive rod and said support shaft being rigidly maintained in a predetermined spatial arrangement to permit sliding insertion of the opposite ends thereof into said first and second sets of alignable bores formed in said side frame members, and wherein said drive rod is selectively rotatable with respect to said first set of alignable bores
while said support shaft is inhibited from rotation within said second set of alignable bores in response to rotation of said drive rod.
13. The method of Claim 12 wherein said leg rest assembly includes a leg rest frame board and pantograph linkage means journally suspended on said front support shaft and drivingly coupled to said drive rod for moving said leg rest frame board between said retracted and extended positions in response to selective actuation of said drive rod.
14. The method of Claim 13 wherein said tilt linkage is operably coupled to said drive rod for simultaneous operation with said leg rest assembly, wherein when said leg rest assembly is in said retracted position said tilt linkage
moves said chair frame to a non-tilted position, and when said leg rest assembly is in said extended position said tilt linkage moves said chair frame to a tilted position.
15. The method of Claim 13 further comprising the step of
suspending an over-center linkage between said drive rod and said support shaft, said
over-center linkage having spring means for biasingly retaining said leg rest assembly
in said retracted position when said drive rod is rotated to a first position and for biasingly driving said leg rest assembly toward said extended position when said drive rod is rotated to a second position.
16. A reclining chair comprising: a pair of upholstered side frame members; an actuation mechanism suspended from said side frame members; cross rails interconnecting said side frame members to define a rigid
box-like chair frame within which said actuation mechanism is operably supported; track means secured to a base assembly; a seat assembly having a seat member, a seat back; swing link means pivotally supporting said seat back and seat member
from said side frame members for causing said seat assembly to move between a non-reclined position and a fully reclined position in response to pressure applied by a seat occupant to said seat back; left and right bearing link assemblies secured to said side frame members and having spaced wheel means which are respectively disposed for translational rolling movement within said track means, said track means being curved for causing angular tilting movement of said chair frame relative to said base assembly upon translational movement of said bearing link assemblies within said track means; a leg rest assembly supported from said actuation mechanism for movement between a retracted position and an extended position; manually operated means associated with said actuation mechanism for selectively moving said leg rest assembly between said retracted and extended positions;
tilt linkage means for tilting said chair frame relative to said base assembly in response to movement of said leg rest assembly; and push linkage means connected between said base assembly and said seat member and adapted to coact with said swing link means for causing
translational movement of said chair frame in response to reclining movement of said seat assembly, whereby said seat assembly can be moved through a range of reclined positions independently of actuation of said leg rest assembly.
17. The reclining chair of Claim 16 wherein said tilting movement of said chair frame due to reclining movement of said seat assembly is independent of and cumulative with said tilting movement of said chair frame due to movement of said leg rest assembly.
18. The reclining chair of Claim 17 wherein said track means define left and right channel-like tracks and which are curved forwardly from back to front, said bearing link assemblies having pivot means interconnected to said tilt linkage
means for tilting said chair frame upon selective actuation of said manually operated actuation means.
19. The reclining chair of Claim 16 wherein said actuation mechanism comprises a transverse rotatable drive rod with said manually operated means being operable for selectively rotating said drive rod, and wherein said leg rest
assembly and said tilt linkage means are operably connected to said drive rod such that upon said leg rest assembly moving from said retracted position toward said extended position said tilt linkage means drives said pivot means for tilting said chair frame.
20. The reclining chair of Claim 19 wherein said tilt linkage means includes a connector link mounted for rotation on said drive rod and a toggle link
pivotally connected about a first pivot to one end to said connector link, said toggle
link being pivotally connected about a second pivot at its opposite end to a pivot
lever of said bearing link assembly, said pivot lever having a first rear wheeled unit disposed in its associated track, said bearing link assembly also including a bearing link member pivotably connected to said pivot lever and having a second forward wheeled unit disposed in said track, and wherein said bearing link member is fixed to bracket means for directly affixing said bearing link member to said side frame member of said chair frame for supporting said chair frame and seat assembly thereon.
21. The reclining chair of Claim 19 wherein said leg rest assembly includes pantograph linkage means operatively connected to said drive rod such that rotation of said drive rod moves said leg rest assembly and movement of said leg rest assembly rotates said drive rod, and wherein said reclining chair further includes an over-center linkage mechanism operatively connected between said drive rod and said support shaft, said over-center linkage mechanism adapted for retaining said leg rest assembly in said retracted position when said manually operated means is
rotated in a first direction and for forwardly driving said leg rest assembly toward said elevated position upon said manually operated means being rotated in a second opposite direction.
22. A method for assembling a wall reclining chair comprising: providing means defining a chair frame having side frame members interconnected with cross rail members; suspending an actuation mechanism between said side frame members; pivotally interconnecting a seat and seat back; operably connecting said interconnected seat and seat back to said chair frame for reclining movement; providing a base assembly, said base assembly including support means for supporting said chair frame for translational movement in response to reclining movement of said seat assembly; and supporting said chair frame on said support means.
23. The method of Claim 22 wherein said step of suspend an actuation mechanism includes suspending a drive rod and support shaft between said first and second side frame members.
24. The method of Claim 23 further comprising the step of operably suspending a leg rest assembly from said support shaft and drive rod for movement between a retracted position and an extended position in response to selective rotation of said drive rod.
25. The method of Claim 24 further comprising the step of connecting tilt means between said drive rod and said support means for tilting said
chair frame relative to said base assembly in response to movement of said leg rest
assembly.
26. The method of Claim 25 further comprising the step of providing push link means for interconnecting said seat assembly and said base assembly for causing translational movement of said chair frame in response to reclining movement of said seat assembly independently of actuation of said leg rest assembly.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL93306771A PL172254B1 (en) | 1992-06-18 | 1993-06-17 | Seat with movable backrest and method of making same |
| EP93915411A EP0645975B1 (en) | 1992-06-18 | 1993-06-17 | Modular wall proximity reclining chair and method |
| KR1019940704627A KR100259130B1 (en) | 1992-06-18 | 1993-06-17 | Modular wall proximity reclining chair and method |
| DE69318154T DE69318154T2 (en) | 1992-06-18 | 1993-06-17 | MODULAR ARMCHAIR AND METHOD FOR ASSEMBLY |
| AU45402/93A AU666964B2 (en) | 1992-06-18 | 1993-06-17 | Modular wall proximity reclining chair and method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/897,546 US5323526A (en) | 1991-02-01 | 1992-06-18 | Method for assembling a modular wall proximity reclining chair |
| US07/897,546 | 1992-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1994000038A1 WO1994000038A1 (en) | 1994-01-06 |
| WO1994000038B1 true WO1994000038B1 (en) | 1994-02-03 |
Family
ID=25408039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1993/005847 WO1994000038A1 (en) | 1992-06-18 | 1993-06-17 | Modular wall proximity reclining chair and method |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US5323526A (en) |
| EP (1) | EP0645975B1 (en) |
| JP (1) | JP2772296B2 (en) |
| KR (1) | KR100259130B1 (en) |
| AU (1) | AU666964B2 (en) |
| CA (1) | CA2138014C (en) |
| DE (1) | DE69318154T2 (en) |
| ES (1) | ES2116457T3 (en) |
| MX (1) | MX9303667A (en) |
| NZ (1) | NZ253937A (en) |
| PL (1) | PL172254B1 (en) |
| TW (1) | TW377286B (en) |
| WO (1) | WO1994000038A1 (en) |
| ZA (1) | ZA934396B (en) |
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| US5435621A (en) * | 1991-10-11 | 1995-07-25 | La-Z-Boy Chair Company | Modular reclining chair and method |
| US5806921A (en) * | 1991-10-11 | 1998-09-15 | La-Z-Boy Incorporated | Modular reclining chair having improved chair frame and pantograph linkage |
| US5992931A (en) * | 1991-10-11 | 1999-11-30 | La-Z-Boy Incorporated | Modular power reclining chair |
| US5730494A (en) * | 1995-06-07 | 1998-03-24 | La-Z-Boy Incorporated | Linear actuation drive mechanism for power-assisted chairs |
| GB2308060A (en) * | 1995-12-15 | 1997-06-18 | Stewart Alfred Maxwell | A recliner chair |
| US5918944A (en) * | 1996-04-24 | 1999-07-06 | Classic Leather, Inc. | Eight-way hand-tied reclining seat |
| WO1997047219A1 (en) * | 1996-06-14 | 1997-12-18 | L & P Property Management Company | Three-way reclining furniture item |
| NO965398D0 (en) * | 1996-12-13 | 1996-12-13 | Ekornes Asa | Device by chair, especially chair with footboard |
| US5800010A (en) * | 1997-03-27 | 1998-09-01 | The Lane Company, Inc. | Reclining chair and mechanism therefor |
| US5992930A (en) * | 1997-05-13 | 1999-11-30 | La-Z-Boy Incorporated | Wall proximity reclining chair |
| US6409262B1 (en) | 1997-05-13 | 2002-06-25 | La-Z-Boy Incorporated | All-linkage reclining chair with improved tensioning mechanism |
| US6729686B2 (en) | 2001-09-24 | 2004-05-04 | Lane Furniture Industries, Inc. | Chair and recliner mechanism |
| US6557942B1 (en) * | 2001-11-20 | 2003-05-06 | First & Best Furniture Co., Ltd. | Combination lounger with easy assembly and detaching structure |
| US6655732B1 (en) * | 2002-07-16 | 2003-12-02 | La-Z-Boy Incorporated | Multiple position leg rest mechanism for a reclining chair |
| US6988769B2 (en) * | 2004-05-20 | 2006-01-24 | La-Z-Boy Incorporated | Spring toggle furniture mechanism |
| US7431387B2 (en) * | 2005-04-21 | 2008-10-07 | La-Z-Boy Incorporated | Adjustable toggle and stop for a furniture mechanism |
| US7357450B2 (en) * | 2005-04-27 | 2008-04-15 | M & M Frame Co., Inc. | Wall-avoiding high leg recliner chair |
| US7338132B2 (en) * | 2005-08-16 | 2008-03-04 | La-Z-Boy Incorporated | Multiple position leg rest mechanism |
| US7585018B2 (en) * | 2006-01-10 | 2009-09-08 | La-Z-Boy Incorporated | Wall proximity reclining chair with in-line linkage mechanism |
| US7850232B2 (en) * | 2007-03-09 | 2010-12-14 | Ashley Furniture Industries, Inc. | Zero clearance recliner mechanism |
| US8506009B2 (en) | 2010-04-13 | 2013-08-13 | La-Z-Boy Incorporated | Power actuated wall proximity furniture member |
| US9550584B1 (en) * | 2010-09-30 | 2017-01-24 | MMA Design, LLC | Deployable thin membrane apparatus |
| JP5998883B2 (en) * | 2012-05-28 | 2016-09-28 | トヨタ紡織株式会社 | Vehicle seat |
| CA3123791C (en) | 2013-03-15 | 2023-05-02 | Stryker Corporation | Medical support apparatus |
| ITAN20130131A1 (en) * | 2013-07-24 | 2015-01-25 | Trama Engineering S R L | QUICK AND REMOVABLE CONNECTION DEVICE FOR SUSPENSION OF AN ARMCHAIR |
| ITAN20130130A1 (en) * | 2013-07-24 | 2015-01-25 | Trama Engineering S R L | METHOD OF CONSTRUCTION OF A CHAIR WITH VARIABLE CONFIGURATION |
| US9351576B1 (en) * | 2015-03-05 | 2016-05-31 | L&P Property Management Company | Ottoman linkage mechanism with closing assist |
| US10874222B2 (en) | 2017-09-22 | 2020-12-29 | Ashley Furniture Industries, Inc. | Ready to assemble furniture |
| US10820708B2 (en) * | 2018-05-18 | 2020-11-03 | La-Z-Boy Incorporated | Furniture member with wall-proximity mechanism and locking trigger |
| EP3801135A1 (en) * | 2018-05-30 | 2021-04-14 | HSIGN S.r.l. | Convertible furnishing item |
| CN109770592B (en) * | 2019-02-28 | 2021-11-12 | 杭州凯艺家居有限公司 | Foldable deformation wooden deck chair |
| WO2020227658A1 (en) | 2019-05-09 | 2020-11-12 | La-Z-Boy Incorporated | Reclining chaise |
| US11197549B1 (en) | 2020-09-28 | 2021-12-14 | La-Z-Boy Incorporated | Wall-proximity furniture member having sync mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US1048306A (en) * | 1912-06-25 | 1912-12-24 | Traverse City Chair Company | Morris chair. |
| US2677412A (en) * | 1947-12-03 | 1954-05-04 | Joseph R Thomas | Reclining chair |
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| US2918110A (en) * | 1957-03-27 | 1959-12-22 | Anton Lorenz | Reclining chairs |
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-
1992
- 1992-06-18 US US07/897,546 patent/US5323526A/en not_active Expired - Lifetime
- 1992-06-27 TW TW081105079A patent/TW377286B/en active
-
1993
- 1993-06-17 WO PCT/US1993/005847 patent/WO1994000038A1/en active Search and Examination
- 1993-06-17 CA CA002138014A patent/CA2138014C/en not_active Expired - Fee Related
- 1993-06-17 KR KR1019940704627A patent/KR100259130B1/en not_active IP Right Cessation
- 1993-06-17 NZ NZ253937A patent/NZ253937A/en not_active IP Right Cessation
- 1993-06-17 EP EP93915411A patent/EP0645975B1/en not_active Expired - Lifetime
- 1993-06-17 PL PL93306771A patent/PL172254B1/en not_active IP Right Cessation
- 1993-06-17 JP JP6502471A patent/JP2772296B2/en not_active Expired - Lifetime
- 1993-06-17 DE DE69318154T patent/DE69318154T2/en not_active Expired - Fee Related
- 1993-06-17 AU AU45402/93A patent/AU666964B2/en not_active Ceased
- 1993-06-17 ES ES93915411T patent/ES2116457T3/en not_active Expired - Lifetime
- 1993-06-18 MX MX9303667A patent/MX9303667A/en unknown
- 1993-06-18 ZA ZA934396A patent/ZA934396B/en unknown
-
1994
- 1994-04-20 US US08/230,541 patent/US5427431A/en not_active Expired - Lifetime
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