US3741607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: Individual
•
Filing: 1970-10-05
•
Granted: 1973-06-26
•
Expires: 1990-10-05
Abstract
Abstract An office chair of the reclining type which is supported by the base and a standard, the chair having a back and a seat, the seat having a front portion and a rear portion, the rear portion of the seat being connected to the back, the front and rear portion of the seat being hingedly interconnected, there being a link interconnecting the rear portion with the front portion of the seat whereby, when the chair is reclined, the rear portion of the seat will assume an angular position and the front portion of the seat will retain its initially, substantially horizontal position to thereby maintain the user of the chair in a true posture position.
Inventors
- 👤 H Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:15
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/024; A47C3/00; A47C3/02; A47C3/025; A47C3/026; A47C7/14; A47C7/36; A47C7/40; A47C7/44; A47C7/441; A47C7/443
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
194 words
In combination with a chair having a base, a standard carried by the base and a back, a chair seat supported by said standard, said seat having a front portion and a rear portion, said portions being hingedly interconnected and initially lying in a common, substantially horizontal plane, the rear portion being connected to the back of the chair, the back initially lying in a substantially vertical plane; a bracket carried by the standard, the rear portion of the seat being pivotally coupled thereto, said coupling providing a horizontal axis about which the chair may be reclined; a link of fixed length pivotally connected to the bracket and to the front portion of the seat, the link being swingable about its point of interconnection with the bracket, the front portion of the seat being pivotable about its point of interconnection with the link, said point of interconnection with the front portion of the seat being forwardly and above the point of interconnection with the bracket whereby, when the chair is reclined said rear portion and the back will assume an angular position and the front portion will be retained in its substantially horizontal position.
Claim 2
Dependent Claim
194 words
In combination with a chair having a base, a standard carried by the base and a back, a chair seat supported by said standard, said seat having a front portion and a rear portion, said portions being hingedly interconnected and initially lying in a common, substantially horizontal plane, the rear portion being connected to the back of the chair, the back initially lying in a substantially vertical plane; a bracket carried by the standard, the rear portion of the seat being pivotally coupled thereto, said coupling providing a horizontal axis about which the chair may be reclined; a link of fixed length pivotally connected to the bracket and to the front portion of the seat, the link being swingable about its point of interconnection with the bracket, the front portion of the seat being pivotable about its point of interconnection with the link, said point of interconnection with the front portion of the seat being forwardly and above the point of interconnection with the bracket whereby, when the chair is reclined said rear portion and the back will assume an angular position and the front portion will be retained in its substantially horizontal position.
Claim 3
Dependent Claim
50 words
The invention as set forth in claim 1, said link spanning the point of hinged interconnection of the rear portion and the front portion of the seat, said point of hinged interconnection being rearwardly and above the point of interconnection of the link and the front portion of the seat.
Claim 4
Dependent Claim
59 words
The invention as set forth in claim 2, said point of hinged interconnection of the rear portion and the front portion of the seat being forwardly of the point of interconnection of the link and the bracket and above said point a greater distance than the point of interconnection of the link and the front portion of the seat.
Claim 5
Dependent Claim
24 words
The invention as set forth in claim 3, said point of hinged interconnection being adjacent the lower surface of said front and rear portions.
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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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |