Chairs and seats – Movable back – Tiltable
Patent
1995-02-17
1997-12-30
Cranmer, Laurie K.
Chairs and seats
Movable back
Tiltable
297366, B60N 202
Patent
active
057021562
ABSTRACT:
A reclining device for a seat, having an upper arm fixed to a seat back of the seat, wherein a lock gear member may be engaged with or disengaged from a gear section formed in the upper arm through rotational action of a cam member by vertical rotation of an operation lever. The reclining device is arranged such that the cam member has a center of rotation dislocated from that of the operation lever, whereby the cam member may be rotated at a large angle even by a small rotation of the operation lever. This permits the cam member to be increased in the area for contact with the lock gear member, thus offering a stable locking and unlocking action of the reclining device for reclining adjustment of the seat back.
REFERENCES:
patent: 4875735 (1989-10-01), Moyer et al.
Cranmer Laurie K.
Tachi-S Co. Ltd.
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