Rotary recliner mechanism for use with a vehicle seat assembly

Details Rotary recliner mechanism for use with a vehicle seat assembly Rotary recliner mechanism for use with a vehicle seat assembly

B - Operations, Transporting

60

N

B60N 2/20 (2006.01) B60N 2/235 (2006.01)

Patent

CA 2537924

A rotary recliner includes rotatable plate members that pivotally interconnect a vehicle seat back and cushion. A pawl defines a pawl axis and slides between a guide pair on one plate member. An outer end of the pawl includes a gear segment that is lockable with a ring gear on the other plate member. A cam rotates between locked and unlocked positions, and has a ramming surface eccentric of the pivot axis. When locked, the ramming surface engages a cam-follower surface on the pawl, with the pawl being engaged by the cam solely at the cam-follower surface, and with the pawl axis being askew of a radial axis, such that the gear segment locks with the ring gear, and such that the plate members are restrained from rotating. When unlocked, the gear segment is removed from the ring gear, such that the plate members may be rotated.

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