Device for adjusting the height and the attitude of a seat struc

Details Device for adjusting the height and the attitude of a seat struc Device for adjusting the height and the attitude of a seat struc

1987-10-26

1988-11-01

Ramirez, Ramon O.

Chairs and seats

Movable bottom

Tiltable

248396, 248429, A47C 102

Patent

active

047814144

ABSTRACT:
This device comprises elements for fixing it to slides (6) which are longitudinally movable on fixed slides (10), other elements allowing the mounting of a seat (4) carrying a cushion (3) and a backrest (2), and, on each side of the seat structure, a cam (5) interposed between the slide (6) and the seat (4). There are provided in the cam (5) bearing tracks (7, 8) for the cam (5) on the slide (6) for the adjustment of the cam (5) in height. Jacks (12, 13) control the height of the cam (5) and the attitude adjusting movement of the seat (4) relative to the cam. This device permits the obtainment of the exact required attitude path, is of small overall size and avoids practically all play or vibrations.

REFERENCES:
patent: 2638150 (1953-05-01), May
patent: 3243227 (1966-03-01), Katz
patent: 3692271 (1972-09-01), Homier
patent: 4074886 (1978-02-01), Yates
patent: 4194783 (1980-03-01), Cycowicz et al.
patent: 4222543 (1980-09-01), Gedig et al.
patent: 4487390 (1984-12-01), Miyashita
patent: 4508386 (1985-04-01), Hofmann
patent: 4616875 (1986-10-01), McFalls et al.

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