US4131315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair with deformable armrest
Assignee: Drabert Soehne GmbH and Co
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Filing: 1977-09-29
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Granted: 1978-12-26
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Expires: 1997-09-29
Abstract
Abstract A chair or other article of furniture for sitting such as a stool or sofa with at least one armrest which is connected to the backrest portion and to the seat portion. The backrest portion of the chair can be reclined, and the armrest is deformable according to the inclination of the backrest portion of the chair.
Inventors
- 👤 Burkhard Vogtherr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/03
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
A chair or other article of furniture for sitting comprising: a seat, a reclinable backrest portion pivotally connected to said seat, at least one armrest member being integrally formed of a generally horizontal portion pivotally secured to said backrest portion and a generally vertical portion pivotally secured to said seat, both said horizontal and vertical portions of said armrest member being substantially rigid, said armrest member having a further arcuate portion which joins said vertical and horizontal portions and is bendable to permit variation of the angle of inclination of said backrest portion relative to said seat by deformation of said arcuate portion while permitting said horizontal and vertical portions to remain essentially straight.
Claim 2
Dependent Claim
114 words
A chair or other article of furniture for sitting comprising: a seat, a reclinable backrest portion pivotally connected to said seat, at least one armrest member being integrally formed of a generally horizontal portion pivotally secured to said backrest portion and a generally vertical portion pivotally secured to said seat, both said horizontal and vertical portions of said armrest member being substantially rigid, said armrest member having a further arcuate portion which joins said vertical and horizontal portions and is bendable to permit variation of the angle of inclination of said backrest portion relative to said seat by deformation of said arcuate portion while permitting said horizontal and vertical portions to remain essentially straight.
Claim 3
Dependent Claim
28 words
The chair of claim 1 in which said horizontal, vertical, and arcuate portions of said integrally formed armrest portion are at least partially embedded within a deformable material.
Claim 4
Dependent Claim
39 words
The chair of claim 1 in which said armrest portion is of generally rectangular configuration having a pair of opposed horizontal portions and a pair of opposed vertical portions and an arcuate portion at each corner of said member.
References Cited (Backward Citations)
US2218863A
Cited
US3083999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-25 | 1982-06-26 | 1982-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-25 | 1986-06-26 | 1986-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-25 | 1990-06-26 | 1990-12-26 | $7700.00 | Window Closed / Lapsed |