Tilting control assembly for chair

Details Tilting control assembly for chair Tilting control assembly for chair

1990-12-26

1993-07-06

Aschenbrenner, Peter A.

Chairs and seats

Back movement resiliently opposed in operating position

Back adjusts independent of seat

297302, 297304, A47C 102

Patent

active

052247589

ABSTRACT:
The present invention provides a chair tilting control assembly which comprises a fixed frame mounted on a chair leg post, a tiltable member supported by the fixed frame to tilt downward about a lateral support shaft, and a chair seat movable downward under the weight of a sitter. The tilting control assembly comprises at least one tilting control spring for elastically supporting the tiltable member at a certain support position relative thereto, and a motion converting mechanism which converts downward movement of the seat into displacement of the support position rearwardly away from the lateral support shaft.

REFERENCES:
patent: 4640548 (1987-02-01), Desanta
patent: 4761033 (1988-08-01), Lanuzzi et al.
patent: 4779925 (1988-10-01), Heinzel
patent: 4962962 (1990-10-01), Machate et al.
patent: 5018787 (1991-05-01), Estkowski

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