Functional chair

Details Functional chair Functional chair

1999-02-12

2000-09-12

Nelson, Jr., Milton

Chairs and seats

Back movement resiliently opposed in operating position

Back and seat adjust simultaneously

297291, 2973011, A47C 1024

Patent

active

061166871

ABSTRACT:
A seat part (20) of a functional chair is connected to a head part (16) of the pedestal (10) via a joint (18) comprising elastomeric material (38) such that it can be tilted relative to the head part (16) against spring force. A backrest part (28) is similarly connected via a joint (26) to a backrest support (24) which allows the backrest part (28) to tilt relative to the backrest support (24) about a horizontal axis and about an axis which is parallel to the longitudinal direction of the backrest.

REFERENCES:
patent: 826575 (1906-07-01), Hunter
patent: 1437848 (1922-12-01), Kisor
patent: 2662586 (1953-12-01), Cramer
patent: 2796920 (1957-06-01), Cowles
patent: 3602537 (1971-08-01), Kerstholt et al.
patent: 3934930 (1976-01-01), Sandham
patent: 4789203 (1988-12-01), Van Zee et al.
patent: 5649740 (1997-07-01), Hodgdon

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