US3874727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: Individual
•
Filing: 1973-03-13
•
Granted: 1975-04-01
•
Expires: 1993-03-13
Abstract
Abstract An adjustable arm chair has a chair body including a stiff tubshaped back rest portion, a stiff tub-shaped leg portion, and a flexible substantially flat seat portion connecting the back rest portion and the leg portion; and a support construction for the chair body for continuous adjustment of the back rest portion, the seat portion and the leg portion relative to one another and to the support construction, so that the chair can be tilted forwardly and rearwardly in a continuous stepless manner into any desirable rest or upright positions, when the user shifts his body weight in the chair, without requiring the provision of separate adjustment means of any kind.
Inventors
- 👤 Klaus Mehbert
- 👤 Guenter Valenta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:08
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/032; A47C1/033; A47C3/00; A47C3/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
188 words
A chair, especially an armchair, comprising a chair body including a rigid backrest portion, a rigid leg portion, and a flexible seat portion connecting said backrest portion and said leg portion so that said backrest portion and said leg portion are pivotable forward and backward about and with reference to said seat portion; and support means including rearward legs and supporting said chair body for continuous adjustment of the position of said portions relative to one another and to said support means, at the will of a user, said support means comprising connecting means between said chair body and said support means, in one area between said seat portion and said leg portion and in another area in that region of said back rest portion which is adjacent said seat portion, said connecting means in said other area comprising a strap extending in a direction substantially normal to a line intermediate said back rest and leg portion, two laterally disposed studs on said strap extending in a direction substantially normal to said line, and two arm rests, said arm rests connecting said rearward legs and said studs, respectively.
Claim 2
Dependent Claim
188 words
A chair, especially an armchair, comprising a chair body including a rigid backrest portion, a rigid leg portion, and a flexible seat portion connecting said backrest portion and said leg portion so that said backrest portion and said leg portion are pivotable forward and backward about and with reference to said seat portion; and support means including rearward legs and supporting said chair body for continuous adjustment of the position of said portions relative to one another and to said support means, at the will of a user, said support means comprising connecting means between said chair body and said support means, in one area between said seat portion and said leg portion and in another area in that region of said back rest portion which is adjacent said seat portion, said connecting means in said other area comprising a strap extending in a direction substantially normal to a line intermediate said back rest and leg portion, two laterally disposed studs on said strap extending in a direction substantially normal to said line, and two arm rests, said arm rests connecting said rearward legs and said studs, respectively.
Claim 3
Dependent Claim
23 words
A chair as defined in claim 1, wherein said rearward legs are provided with hand supports, to which said arm rests are connected.
Claim 4
Dependent Claim
33 words
A chair as defined in claim 1, wherein said arm rests consist of flexible, endless, loop-shaped bands, made of a material selected from the group composed of leather, artificial leather, and textile fabrics.
Claim 5
Dependent Claim
27 words
A chair as defined in claim 3, wherein said bands are suspended from said studs of said strap and said hand supports of said rearward legs, respectively.
References Cited (Backward Citations)
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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) | 1978-03-31 | 1978-09-30 | 1979-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-31 | 1982-09-30 | 1983-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-31 | 1986-09-30 | 1987-04-01 | $7700.00 | Window Closed / Lapsed |