US5314237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclining chair
Assignee: Kimball International Inc
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Filing: 1992-02-12
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Granted: 1994-05-24
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Expires: 2012-02-12
Abstract
Abstract A reclining chair which includes a base, frame supports, and pivotable seat and back supports. The seat and back supports are pivotally connected for correlative movement, and the seat support is operably connected to an inclined ramp which raises the vertical height of the seat support during reclining.
Inventors
- 👤 Marcus C. Koepke
- 👤 Earl H. Koepke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:41
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/032; A47C1/03255; A47C1/03294
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
173 words
In a chair including a base, arm supports connected to said base at opposite sides of the base, a seat support and a back support pivotally interconnected for correlative movement thereof between an upright position and a reclined position, said seat support and back support connected to said base for relative movement therebetween, the improvement comprising a roller arm connected to and extending from said base from below said seat support, said seat support including a lower ramp means for contacting said roller arm wherein the seat support is raised vertically a corresponding distance to the distance of movement of said back support during said correlative movement of the seat and back supports, said arm supports having a terminal upper end above said seat support and below an upper edge of said back support, and means for pivotally connecting said back support to said arm support adjacent said terminal upper end wherein said seat support and back support may be pivoted between said upright and reclined positions by a user's shifting of weight.
Claim 2
Dependent Claim
173 words
In a chair including a base, arm supports connected to said base at opposite sides of the base, a seat support and a back support pivotally interconnected for correlative movement thereof between an upright position and a reclined position, said seat support and back support connected to said base for relative movement therebetween, the improvement comprising a roller arm connected to and extending from said base from below said seat support, said seat support including a lower ramp means for contacting said roller arm wherein the seat support is raised vertically a corresponding distance to the distance of movement of said back support during said correlative movement of the seat and back supports, said arm supports having a terminal upper end above said seat support and below an upper edge of said back support, and means for pivotally connecting said back support to said arm support adjacent said terminal upper end wherein said seat support and back support may be pivoted between said upright and reclined positions by a user's shifting of weight.
Claim 3
Dependent Claim
43 words
The chair of claim 1 wherein said ramp means has a curved lower surface in contact with said roller arm, whereby eye level of a user seated in said chair remains substantially the same in both the upright position and the reclined position.
Claim 4
Dependent Claim
23 words
The chair of claim 1 and a roller connected to a terminal end of said roller arm, said ramp means contacting said roller.
Claim 5
Dependent Claim
24 words
The chair of claim 3 wherein said roller includes first and second wheels connected by an axle, said axle extending through said roller arm.
Claim 6
Dependent Claim
37 words
The chair of claim 3 wherein said ramp means includes a plate connected to said seat support, said plate having a curved lower surface whereby eye level of a user seated in said chair remains substantially constant.
Claim 7
Dependent Claim
46 words
The chair of claim 5 wherein said ramp means further includes second plates suspended vertically from said seat support at opposite sides of said first mentioned plate, said second plates constituting guide means for maintaining contact between said roller and said first plate curved lower surface.
Claim 8
Dependent Claim
38 words
The chair of claim 1 and further including a rod extending into said back support and connected to each arm support, said rod constituting means for limiting travel of said back support during movement towards the reclined position.
Claim 9
Dependent Claim
37 words
The chair of claim 6 and cover means connected to said seat support for shielding said ramp means, said cover means further including inturned opposing lower flanges underlying said rollers whereby lifting of seat support is prevented.
Claim 10
Dependent Claim
105 words
A chair comprising a base, arm supports connected to opposite sides of said base and extending above said base, a seat support shiftably supported atop said base, a back support, means for pivotally connecting said seat support and back support for relative movement therebetween, said base including a roller arm, said seat support including an inclined ramp shiftably supported atop said roller arm, means for pivotally connecting said back support to said arm supports adjacent said upper ends wherein said seat support and back support are shiftable relative to said base between an upright position and a reclined position by a user's shifting of weight.
Claim 11
Dependent Claim
105 words
A chair comprising a base, arm supports connected to opposite sides of said base and extending above said base, a seat support shiftably supported atop said base, a back support, means for pivotally connecting said seat support and back support for relative movement therebetween, said base including a roller arm, said seat support including an inclined ramp shiftably supported atop said roller arm, means for pivotally connecting said back support to said arm supports adjacent said upper ends wherein said seat support and back support are shiftable relative to said base between an upright position and a reclined position by a user's shifting of weight.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-05-23 | 1997-11-22 | 1998-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-23 | 2001-11-22 | 2002-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-23 | 2005-11-22 | 2006-05-24 | $7700.00 | Window Closed / Lapsed |