Body-weight adjusting device of a seat suspension

Details Body-weight adjusting device of a seat suspension Body-weight adjusting device of a seat suspension

1985-01-04

1986-11-25

Ramirez, Ramon O.

Supports

Resilient support

Including additional energy absorbing means, e.g., fluid or...

108145, 248588, 248594, F16M 1300

Patent

active

046244379

ABSTRACT:
A body-weight adjusting device for a seat suspension is provided including an X-shaped link mechanism constituting the seat suspension, a combination of pinions and rack gears and a pair of tension springs. Vertical movement of an operation lever causes rotation of the pinion gears and simultaneous rotation of the intermeshing rack gears, to thereby increase or decrease the tension of the tension springs. In response to such tension variation in the tension springs, the X-shaped link mechanism is raised or lowered corresponding so as to permit a selective adjustment of the seat suspension to accommodate the weight of a seated occupant.

REFERENCES:
patent: 3390857 (1968-07-01), Nystrom
patent: 3473844 (1969-10-01), Zinnkann
patent: 3826457 (1974-07-01), deLongchamp
patent: 4072287 (1978-02-01), Swenson et al.
patent: 4128225 (1978-12-01), Kluting et al.
patent: 4151973 (1979-05-01), Sedlock
patent: 4382573 (1983-05-01), Aondetto
patent: 4448386 (1984-05-01), Moorhouse et al.

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