Apparatus for adjusting the height of the seat cushion for a veh

Details Apparatus for adjusting the height of the seat cushion for a veh Apparatus for adjusting the height of the seat cushion for a veh

1996-12-24

1998-06-16

Cuomo, Peter M.

Chairs and seats

Movable bottom

Bottom and back movable as a unit

5654, 180272, 307 91, 307 101, 307119, 701 49, 29745228, 29745241, 2972846, A47C 702

Patent

active

057659150

ABSTRACT:
Disclosed is an apparatus for adjusting the height of the seat cushion for a vehicle which includes a rubber tube positioned under the seat cushion, a pressure sensing means positioned under the rubber tube and moving upward or downward depending upon the load supplied on the seat cushion, a first switch and a second switch selectively operating a compressor and a vacuum pump depending upon a signal from the pressure sensing means, and a limit switch cutting off the first switch on contact with the rubber tube.

REFERENCES:
patent: 4306322 (1981-12-01), Young et al.
patent: 4589695 (1986-05-01), Isono
patent: 4619481 (1986-10-01), Grudzinskas
patent: 4634179 (1987-01-01), Hashimoto et al.
patent: 4807313 (1989-02-01), Ryder et al.
patent: 4966410 (1990-10-01), Bishai
patent: 4993920 (1991-02-01), Harkleroad et al.
patent: 5152579 (1992-10-01), Bishai
patent: 5176424 (1993-01-01), Tobita et al.
patent: 5558398 (1996-09-01), Santos

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