Post bushings

Details Post bushings Post bushings

1987-09-28

1989-05-16

Chin-Shue, Alvin C.

Supports

Stand

Horizontally movable support surface

248159, 2481885, 2481887, 297349, 16 2, A47C 318

Patent

active

048303240

ABSTRACT:
A post bushing for use in a chair assembly, seat post assembly, or other application where a tube is supported around a base. The post bushing includes a flexible umbrella member which secures the outer tube to the post, but which flexes and compresses such that a rigid collar on the bushing can receive the radial load.

REFERENCES:
patent: 2309839 (1943-02-01), Gardner
patent: 2672814 (1954-03-01), Dubost
patent: 3059888 (1962-10-01), Lie
patent: 3278229 (1966-10-01), Bates
patent: 3684220 (1972-08-01), Logsdon
patent: 3740083 (1973-06-01), Zenhausern
patent: 4088241 (1978-05-01), Hall et al.
patent: 4282768 (1981-08-01), Osborn
patent: 4291904 (1981-09-01), Iversen et al.
patent: 4487452 (1984-12-01), Tanizaki et al.
patent: 4527483 (1985-07-01), Eichweber

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