Seat discomfort preventive device

Details Seat discomfort preventive device Seat discomfort preventive device

1990-09-25

1992-05-26

Cranmer, Laurie K.

Chairs and seats

Movable bottom

Tiltable

297 69, 297337, B60N 200

Patent

active

051161010

ABSTRACT:
A seat discomfort preventive device includes: a seat back capable of inclining in the fore-and-aft direction; a seat cushion capable of inclining in the fore-and-aft direction; a rocking control unit; and a drive mechanism for rocking at least one of the seat back and the seat cushion. The rocking control unit delivers a control signal in response to a start signal. In accordance with this control signal, the drive mechanism repeatedly rocks at least one of the seat back and the seat cushion with respect to a standard position depending on a sense of discomfort. The rocking control unit may include an inclining control unit. Additionally, a foot plate on which the feet of a passenger are rested is attached to the seat cushion.

REFERENCES:
patent: 2770233 (1956-11-01), Thomas
patent: 3934927 (1976-01-01), Zur
patent: 4574901 (1986-03-01), Joyner
patent: 4832403 (1989-05-01), Tomita
patent: 4860733 (1989-08-01), Parker, Jr.

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