Adjustable chair

Details Adjustable chair Adjustable chair

1985-12-12

1987-10-06

Aschenbrenner, Peter A.

Chairs and seats

Back movement resiliently opposed in operating position

Back secured to resilient upright bar or rod

297343, A47C 300

Patent

active

046978461

ABSTRACT:
An adjustable chair structure comprises a support frame of substantially L-shape conformation supported by a base in the form of an upright column supported on a set of radial feet carried on castors. The L-shape support frame has a horizontal arm for supporting a seat part of a seat body, and an upright (i.e. vertical or inclined at an acute angle to the vertical) arm which supports a seat back part of the seat body. The seat part is connected to the seat back part by means of a flexible tongue projecting from the middle of the rear edge of the seat part of the seat body, which tongue has notches by which the position of the seat back with respect to the seat part can be determined.

REFERENCES:
patent: 1802608 (1931-04-01), Krause
patent: 2271925 (1942-02-01), Niles
patent: 3632165 (1972-01-01), Miller
patent: 4018166 (1977-04-01), Gutridge et al.
patent: 4384742 (1983-05-01), Wisniewski
patent: 4452486 (1984-06-01), Zapf et al.
patent: 4580836 (1986-04-01), Verney

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