Vehicle seat height and inclination control apparatus

Details Vehicle seat height and inclination control apparatus Vehicle seat height and inclination control apparatus

1987-03-27

1988-08-30

Aschenbrenner, Peter A.

Chairs and seats

Movable bottom

Tiltable

248397, 248394, A47C 1025

Patent

active

047671564

ABSTRACT:
A vehicle seat adjustment apparatus includes a height control device and an inclination control device mounted on a seat frame for independently adjusting the height and inclination of a vehicle seat. A support base slidably supports a seat in a forward and a rearward direction. The seat frame means is mounted on the support base for supporting the seat. A rear portion of the seat is pivotally attached to the seat. A plurality of links pivotally connect the seat frame to the support base for raising and lowering the seat frame relative to the support base to adjust the height of the seat. The plurality of links include a control link, which is rotatably mounted on the seat frame. The height control device is connected to the control link and holds the plurality of links in a selected pivotal position. The height control device is operative to rotate the control link in a first direction to raise the seat and to rotate the control link opposite the first direction to lower the seat. The inclination control device includes a gear rotatably mounted on the seat frame and a member operatively connecting the gear and the forward portion of the seat, such that rotation of the gear pivots the seat about the pivot point along the rear portion of the seat to regulate the inclination of the seat.

REFERENCES:
patent: 3695570 (1972-10-01), Ishida
patent: 4339103 (1982-07-01), Mori et al.
patent: 4422611 (1983-12-01), Kitsuda
patent: 4529159 (1985-07-01), Terada et al.
patent: 4572468 (1986-02-01), Lange et al.
patent: 4616876 (1986-10-01), Suzuki et al.
patent: 4687251 (1987-08-01), Kazaoka et al.

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