US3756654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article of seating furniture
Assignee: Suspa Federungstechnik GmbH
•
Filing: 1971-01-18
•
Granted: 1973-09-04
•
Expires: 1991-01-18
Abstract
Abstract A seat having a seat member and a back rest both adjustable to suit the dimensions of the user, latching devices being provided for latching adjustable members in adjusted positions, the latching devices being actuated by a single operating lever positioned for convenient use from a seated position.
Inventors
- 👤 F Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/026; A47C3/02; A47C3/025; A47C3/026; A47C7/00; A47C7/36; A47C7/40; A47C7/402
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
192 words
SeatIng furniture for use with a pneumatic spring means comprising a single operating lever (3) having its fixed end (29) extending within a housing (4), a seat member (1) mounted above and supported by said housing, said housing (4) having a recess for resting upon an upper end (6) of a generally frusto-conically shaped head extending from a base (7,11), said housing including means for vertical adjustment of a back support (42,2) operable by twisting of the operating lever (3) to actuate a lever (49) to stress a cable (45) under bias to displace pin means (44) from an apertured vertical means (42) of said back support, and means for horizontal adjustment of the back support (42,2) operable by turning the lever (3) to actuate a lever arm (38) to depress a biased means (33) to release an apertured horizontal carrying bar (37) connected to said back support, said adjustment means being directly functional by the operating lever, and means for inclination adjustment of the back support by turning the lever (3) to actuate lever member (27,25,23) to cooperate with manually depressable pin means (21) selectively engaging one of several apertures (22).
Claim 2
Dependent Claim
192 words
SeatIng furniture for use with a pneumatic spring means comprising a single operating lever (3) having its fixed end (29) extending within a housing (4), a seat member (1) mounted above and supported by said housing, said housing (4) having a recess for resting upon an upper end (6) of a generally frusto-conically shaped head extending from a base (7,11), said housing including means for vertical adjustment of a back support (42,2) operable by twisting of the operating lever (3) to actuate a lever (49) to stress a cable (45) under bias to displace pin means (44) from an apertured vertical means (42) of said back support, and means for horizontal adjustment of the back support (42,2) operable by turning the lever (3) to actuate a lever arm (38) to depress a biased means (33) to release an apertured horizontal carrying bar (37) connected to said back support, said adjustment means being directly functional by the operating lever, and means for inclination adjustment of the back support by turning the lever (3) to actuate lever member (27,25,23) to cooperate with manually depressable pin means (21) selectively engaging one of several apertures (22).
Claim 3
Dependent Claim
139 words
Seating furniture according to claim 1, wherein an inside lever arm (15) of the operating lever (3) cooperating with the release pin (8) and extending into the housing (4), has on its free end a continuation (29) directed upwards in an inoperative middle position on which rests the one end (27) of a two-armed shifting lever (25) and being swivelable around an axis (26) for the adjustment of the inclination of the seat member, the other end (24) of which extending away from the swiveling axle (17) of the seat member (1) is slanted and bent to a side and engages with an inclined guide (23) of an axially shiftable bolt (21), said bolt in its locking position engages with one of the two lateral jaws (19) bearing the seat member (1) and mounted on the swiveling axle (17).
Claim 4
Dependent Claim
95 words
Seating furniture according to claim 1, wherein a further locking lever (31) cooperating with a continuation (29) of the operating lever (3) and developed in the manner of a bolt keeper is disposed on the swiveling axis (26) for the two-armed shifting lever (25) for the adjustment of the inclination of the seat member, the lever arm (32) of said lever facing away from the continuation (29) and engaging with a bolt (33) which can be depressed counter to the action of a spring (35) and locking the horizontal shifting of the back support (2).
Claim 5
Dependent Claim
49 words
Seating furniture according to claim 3, wherein a lever arm (38) of the locking bar (31) facing the swiveling axis has on its underside a recess (39) open at the edge and receiving the continuation (29) upon swiveling up of the lever arm (15) of the operating lever (3).
Claim 6
Dependent Claim
118 words
Seating furniture according to claim 1, wherein at the level of the middle position of the operating lever (3) a two-armed compensating lever (47) is mounted for cooperating with said operating lever in a counterclockwise rotational direction, one of which lever arms (49) engages with a groove (50) opened at the edge of the lever (31) locking the horizontal shifting of the back support (2), in that it also fits in the rest position approximately against the continuation (29) of the operating lever (3) and in that its other lever arm (46) is connected by means of a cable line tramsmission rod means (45) with a transverse bolt (44) locking the height adjustment of the back support (2).
Claim 7
Dependent Claim
47 words
Seating furniture according to claim 1, wherein the end of the actual shiftable developed operating lever (3) projecting into the housing-like hub (4) has an opening contact or a plug contact in order to close the electric circuit of a vibrator provided on the seat member (1).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |