Adjustable seat

Details Adjustable seat Adjustable seat

1987-03-11

1988-11-22

Ramirez, Ramon O.

Supports

Stand

Adjustable vertically

248157, F16M 1300

Patent

active

047860243

ABSTRACT:
In a sprung seat having a scissors-type support assembly with mutually crossing arms for supporting a vertically movable seat portion relative to a base frame, a spring operable to urge the seat portion upwardly thereby to support the weight of the seat occupant acts by way of a slider on a cam lever non-rotatably connected to a support arm. The slider is adjustable in respect of its length for the purposes of height adjustment of the seat portion.

REFERENCES:
patent: 3473776 (1969-10-01), Costin
patent: 3700203 (1972-10-01), Adams
patent: 3826457 (1974-07-01), De Longchamp
patent: 4085962 (1978-04-01), Wahls
patent: 4387874 (1983-06-01), Boisset
patent: 4520986 (1985-06-01), Liljequist et al.
patent: 4648575 (1987-03-01), Kawade
patent: 4648578 (1987-03-01), Sakamoto

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