Seat for an office chair or the like, with seat and back adjusta

Details Seat for an office chair or the like, with seat and back adjusta Seat for an office chair or the like, with seat and back adjusta

1988-06-21

1989-08-29

McCall, James T.

Chairs and seats

Movable bottom

Tiltable

297273, 297280, A47D 1310, A47C 102

Patent

active

048611069

ABSTRACT:
The invention relates to a seat assembly for an office chair or the like, having a seat and back (6, 7) which are adjustable especially by shifting the body and having a cradle (5). The seat and the back are hinged together at their adjoining ends by at least a first articulation (8) and have, at points distanced from the articulation (8), bearing elements (13, 14) which are suspended or guided on the cradle by positive guiding means (10, 11) and are mounted for movement along paths established by the positive guiding means. The articulation (8) is free-floating. The bearing elements (13, 14) are guided by the positive guides (10, 11) independently of one another.

REFERENCES:
patent: 257873 (1882-05-01), Klein
patent: 303551 (1884-08-01), Arnold
patent: 465275 (1891-12-01), Kennedy et al.
patent: 561908 (1896-06-01), Munson
patent: 648740 (1900-05-01), Haggard et al.
patent: 898305 (1908-09-01), Barnhart
patent: 2470364 (1947-06-01), Niederhauser
patent: 2567222 (1951-09-01), Lorenz
patent: 4533177 (1985-08-01), Latone

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