Article of furniture

Details Article of furniture Article of furniture

1986-03-17

1988-03-29

Dorner, Kenneth J.

Chairs and seats

Back movement resiliently opposed in operating position

Back and seat adjust simultaneously

297285, 297306, 297DIG2, A47C 512, A47C 744

Patent

active

047339101

ABSTRACT:
The present invention discloses a chair having a seat and a backrest which is hinged to the seat by a resilient hinge. The hinge is substantially moulded together with the shell formed by the seat and backrest. The degree of flexure of the backrest exceeds any flexure of prior art. One piece plastic shells and stops are preferably provided to limit the degree of flexure of the hinge. Moulding the hinge with the shell substantially reduces costs.

REFERENCES:
patent: 3031227 (1962-04-01), Van Buren, Jr.
patent: 3669496 (1972-06-01), Chisholm
patent: 4032190 (1977-06-01), Muller-Deisig et al.
patent: 4169628 (1979-10-01), Wolf et al.
patent: 4333683 (1982-06-01), Ambasz
patent: 4529247 (1985-07-01), Stumpf et al.
patent: 4557521 (1985-12-01), Lange

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