| 摘要 |
An improved automobile seat reclining device is presented. In exemplary embodiments of the present invention the automobile seat reclining device comprises a lower plate and an upper plate which are attached to the cushion frame and back-support frame of an automobile seat, respectively, and where the upper and lower plates are connected by a shaft that goes through the center hole of each plate. The device further comprises a lock gear, which engages and disengages with gear teeth that are formed in either the upper plate or the lower plate; a cam which pressurizes the lock gear towards the gear teeth in connection with the rotation of the shaft; and a pair of lock levers fixed upon a hinge pin, where one end of a lock lever contacts with the cam, and the other end makes contact or moves away from a side of the lock-gear as the cam rotates.
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