Seat reclining device

Details Seat reclining device Seat reclining device

1997-08-27

1998-10-06

Brown, Peter R.

Chairs and seats

Movable back

Tiltable

29721612, B60N 202

Patent

active

058166564

ABSTRACT:
A seat reclining device includes a control shaft connectable to an operation member, a lower arm connectable to one side of a seat cushion, an upper arm connectable to one side of a seat back which is able to be inclined relative to the lower arm, a pair of seat declining mechanisms each of which includes an opposite lower arm connectable to the other side of the seat cushion, an opposite upper arm connectable to the other side of the seat back which is able to be inclined relative to the opposite lower arm, the control shaft being inserted through the opposite lower arms and the opposite upper arms, each of the seat reclining mechanisms including a cam member connected to the control shaft to be rotated with the control shaft and a pawl member slidably disposed in one of the opposite lower arm and the opposite upper arm, the pawl member abutting on the cam member to be slid by the rotation of the cam member, the pawl member being engageable with a ratchet portion disposed on the other of the opposite lower arm and the opposite upper arm.

REFERENCES:
patent: 4348050 (1982-09-01), Letoumoux
patent: 4384744 (1983-05-01), Barley
patent: 5611599 (1997-03-01), Baloche et al.
patent: 5622407 (1997-04-01), Yamada et al.
patent: 5690386 (1997-11-01), Chabanae

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