Vehicle seat

Details Vehicle seat Vehicle seat

1978-11-28

1980-07-22

McCall, James T.

Supports

With condition responsive control means

248563, 248631, A01K 9710

Patent

active

042135940

ABSTRACT:
A spring loaded vehicle seat is of the kind having a seat frame and an underframe supports this seat frame by levers and a pneumatic spring so that the seat is maintained at a constant height. Valves control the flow of air to and from the spring to counteract the effect of vibrations. A switch mechanism controls the operation of the valves and a coupling device transmits vibrations of the seat to the mechanism. The coupling device is arranged so that movement of the mechanism after opening a valve lags behind the vibration of the seat.

REFERENCES:
patent: 3150855 (1964-09-01), Carter et al.
patent: 3218020 (1965-11-01), Rhodes
patent: 3335996 (1967-08-01), Hall et al.
patent: 3430444 (1969-03-01), Kamp
patent: 3879007 (1975-04-01), Barton et al.
patent: 3938770 (1976-02-01), Turner et al.
patent: 3951373 (1976-04-01), Swenson
patent: 3954245 (1976-05-01), Costin

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