Height adjustor for furniture

Details Height adjustor for furniture Height adjustor for furniture

1982-01-06

1984-12-04

Zugel, Francis K.

Supports

Stand

Standard type

297347, F16M 1100, A47C 330

Patent

active

044859961

ABSTRACT:
A height adjustor for funiture, such as chairs, and the like, comprises a pair of telescoping tubular members which interconnect base and seat portions of a chair and form a supportive pedestal therefor. A ram is mounted in the tubular members, such that extension and retraction of the ram respectively raises and lowers the chair seat. The ram and tubular members are sized in a manner to form an annular space therebetween which permits the ram to assume an eccentric position in the tubular members during a loaded chair condition. The ram ends are pivotally connected in the tubular members, such that lateral forces (as distinguished from vertical forces) which are applied to a chair seat are supported primarily by the tubular members, and are not transmitted to the ram.

REFERENCES:
patent: 2587679 (1952-03-01), Atkinson
patent: 3711054 (1973-01-01), Bauer
patent: 3788587 (1974-01-01), Stemmler
patent: 3790119 (1974-02-01), Bauer
patent: 3837704 (1974-09-01), Bauer
patent: 4084777 (1978-04-01), Lambert

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