Tilting post supported seat biased to an upright position

Details Tilting post supported seat biased to an upright position Tilting post supported seat biased to an upright position

1976-10-01

1978-07-11

Zugel, Francis K.

Supports

Suspended supports

Adjustable

248398, 297314, A47C 318

Patent

active

040996972

ABSTRACT:
A stool-like seat for limited mobility of the user with a high action radius comprises a base formed with a ball socket and a post carrying the seating surface and provided with a ball receivable in the socket. The post has a downwardly extending member engaging, within the base, a star-like array of tension springs which resist angular displacement of the post and bias the latter into a normal upright position.

REFERENCES:
patent: 612580 (1898-10-01), Banes
patent: 619596 (1899-02-01), Mayer
patent: 849975 (1907-04-01), Carlson
patent: 1067961 (1913-07-01), Bailey
patent: 1194551 (1916-08-01), Schossler
patent: 1961530 (1934-06-01), Spanenberg
patent: 2291975 (1942-08-01), Minero
patent: 3713618 (1973-01-01), Hendrickson et al.

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