US5288138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclining chair
Assignee: Individual
•
Filing: 1992-09-30
•
Granted: 1994-02-22
•
Expires: 2012-09-30
Abstract
Abstract A reclining chair including a seat, a back and a base. The forward portion of the seat is pivotally coupled to the base such that the seat pivotally moves substantially about a knee of a person seated in the reclining chair. Also, the seat and back are coupled together such that the back portion pivotally moves substantially about a hip of the person seated in the reclining chair as the chair is reclined.
Inventors
- 👤 Edward L. Stulik
- 👤 Bruce Burness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:13
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/12; A47C31/126; A47C1/00; A47C1/02; A47C1/031; A47C1/032; A47C1/03255; A47C1/03261; A47C1/03266; A47C1/03277
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
185 words
A reclining chair including a seat portion, a back portion and a base portion, said reclining chair comprising: a first means for pivotally coupling a forward portion of said seat portion to said base portion such that said seat portion pivotally moves substantially about a first pivoting axis located adjacent said front portion; a second means for coupling said seat and back portions together such that when said seat portion is pivoted about said first pivoting axis, said back portion simultaneously pivotally moves about a second pivoting axis located above said seat portion and adjacent said back portion, said second means comprising link means provided between said base and back portions; and a single spring means coupled to said base and supporting said seat portion for applying spring force to said first means, said spring means comprising a leaf spring, a swing arm coupled to said seat portion and a roller means coupled to said base and provided between and engaging with both said swing arm and said leaf spring; whereby a reclining chair which is comfortable for both lightweight and heavyweight people is provided.
Claim 2
Dependent Claim
185 words
A reclining chair including a seat portion, a back portion and a base portion, said reclining chair comprising: a first means for pivotally coupling a forward portion of said seat portion to said base portion such that said seat portion pivotally moves substantially about a first pivoting axis located adjacent said front portion; a second means for coupling said seat and back portions together such that when said seat portion is pivoted about said first pivoting axis, said back portion simultaneously pivotally moves about a second pivoting axis located above said seat portion and adjacent said back portion, said second means comprising link means provided between said base and back portions; and a single spring means coupled to said base and supporting said seat portion for applying spring force to said first means, said spring means comprising a leaf spring, a swing arm coupled to said seat portion and a roller means coupled to said base and provided between and engaging with both said swing arm and said leaf spring; whereby a reclining chair which is comfortable for both lightweight and heavyweight people is provided.
Claim 3
Dependent Claim
49 words
A reclining chair according to claim 1, wherein said single spring means further comprises a moving means coupled between said base portion and said roller means for moving said roller means longitudinally relative to said single portion spring means whereby a force per unit distance reclined may be varied.
Claim 4
Dependent Claim
49 words
A reclining chair according to claim 3 further comprising a means for varying a position of said roller to vary said spring force of said single spring means applied to said first means whereby a force per unit distance of recline as the chair is reclined may be varied.
Claim 5
Dependent Claim
32 words
A reclining chair according to claim 1 wherein said spring means further comprises a means for presetting a position of said roller means relative to said leaf spring and said swing arm.
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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) | 1997-02-21 | 1997-08-23 | 1998-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-02-21 | 2001-08-23 | 2002-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-02-21 | 2005-08-23 | 2006-02-22 | $7700.00 | Window Closed / Lapsed |