Vertical back adjust for chairs

Details Vertical back adjust for chairs Vertical back adjust for chairs

1992-02-11

1993-08-03

Cuomo, Peter M.

Chairs and seats

Movable back

297410, 403 59, 2482451, B60N 202

Patent

active

052322653

ABSTRACT:
A mechanism for vertical adjustability and securement of a backrest of a chair on the upright support of the chair having a housing which includes first and second housing members, and a pair of link assemblies, pivotally connected and movable between a locked position and an unlocked position. A resilient sleeve is carried by one of the link assemblies and is engageable against the upright support when the link assemblies are in the locked position to grip the upright support between the sleeve and a rod to prohibit vertical movement of the housing with respect to the upright support.

REFERENCES:
patent: 3526430 (1970-09-01), Eldon
patent: 4111484 (1978-09-01), Jaeger
patent: 4128274 (1978-12-01), Schmedemann
patent: 4191423 (1980-03-01), Goldner
patent: 4221430 (1980-09-01), Frobose
patent: 4432582 (1984-02-01), Wiesmann
patent: 4451084 (1984-05-01), Seeley
patent: 4660885 (1987-04-01), Suhr
patent: 4662682 (1987-05-01), Maurel
patent: 4749230 (1988-06-01), Tornero
patent: 5035466 (1991-07-01), Mathews

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