Seat apparatus for vehicle

Details Seat apparatus for vehicle Seat apparatus for vehicle

1991-11-06

1994-06-14

Dorner, Kenneth J.

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

297DIG3, 2972849, A47C 300

Patent

active

053204093

ABSTRACT:
A seat apparatus for a vehicle includes a seat which is composed of a seat cushion and a seat back. A plurality of actuators are provided in the seat, for altering a bearing-surface configuration of the seat. The actuators are driven by an air compressor which is controlled by a controller in a predetermined pattern. The controller judges oscillation transmitted to a passenger seated on the seat, on the basis of a signal from an acceleration sensor, and regulates the predetermined pattern of the control, in accordance with the judged oscillation. The controller may be so arranged as to judge the oscillation transmitted to the passenger, on the basis of signals from a speed sensor and a road-surface-condition detecting sensor.

REFERENCES:
patent: 4634179 (1987-01-01), Hashimoto et al.
patent: 4655505 (1987-04-01), Kashiwamura et al.
patent: 4833614 (1989-05-01), Saitoh et al.
patent: 5127708 (1992-07-01), Kishi et al.
patent: 5129704 (1992-07-01), Kishi et al.
patent: 5155685 (1992-10-01), Kishi et al.

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