Lock device and seat reclining apparatus

Details Lock device and seat reclining apparatus Lock device and seat reclining apparatus

2006-07-26

2010-10-12

Dunn, David (Department: 3636)

Chairs and seats

Movable back

Tiltable

C297S36700R, C297S36700R, C297S36700R

Reexamination Certificate

active

07810886

ABSTRACT:
A lock device capable of suppressing a lack of smoothness in an unlocking operation, and of suppressing, in a case a plurality of lock members are operated by a cam member, unevenness in the timing for the plurality of lock members to become engaged in a locking operation. Guide portions of a lower guide include a plurality of cam guide faces that are arranged away from each other in the circumferential direction. A cam includes a plurality of guided faces that respectively abut against the plurality of cam guide faces in a release phase. The guided face in a direction in which the cam is decentered by a biasing force of the lock spring is extended to the release phase side with respect to the other guided faces.

REFERENCES:
patent: 4743061 (1988-05-01), Pompa
patent: 5163736 (1992-11-01), Aljundi
patent: 6244661 (2001-06-01), Timon et al.
patent: 6609756 (2003-08-01), Kojima et al.
patent: 6715835 (2004-04-01), Hoshihara et al.
patent: 6854802 (2005-02-01), Matsuura et al.
patent: 2002 65387 (2002-03-01), None
patent: 2002 101996 (2002-04-01), None

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