Chairs and seats – Movable bottom – Movable independently of back
Patent
1987-01-16
1988-12-13
Zugel, Francis K.
Chairs and seats
Movable bottom
Movable independently of back
297296, A47C 102
Patent
active
047906006
ABSTRACT:
An office, or task, chair comprising an integrally formed brace comprising a combination seat support and back support connected to a chair base by a piston/cylinder height adjustment mechanism. A seat is mounted on the seat support for forward and backward sliding adjustment and for pitch adjustment. A seat back is mounted for sliding adjustment on the back support portion of the brace. The seat support and seat back support portions of the brace are connected by an integrally formed hinge or flex area which permits the seat back support to incline and twist with respect to the seat support portion. Adjustments of the seat with respect to the seat support are carried out in association with dual, concentric handwheels reachable by a user from a seated position. Adjustment of the seat back is done in association with another handwheel located on the rear face of the seat back.
REFERENCES:
patent: 530880 (1894-12-01), Briggs
patent: 1369551 (1919-10-01), Wolary
patent: 2054557 (1936-09-01), Cramer et al.
patent: 2364261 (1944-12-01), Wood
patent: 2853125 (1958-09-01), Starke
patent: 3193239 (1965-07-01), Monroe
patent: 3235308 (1966-02-01), Conner
patent: 3635524 (1972-01-01), Faust
J. G. Furniture Systems Inc.
Zugel Francis K.
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