| 摘要 |
A vehicle seat recliner in which a lock-up gear and a sector gear are used to adjust the tilt of the back of the seat. The sector gear adjusting the tilt of the back of the seat is fixed at a main bracket installed on one side of the car seat and comprises an adjustment lever rotating around a first rotation axis and connected to the connection lever rotating around a second rotation axis. A cam is interlocked with the adjustment lever and is installed on the first rotation axis. The motion of the lock-up gear is guided so that the lock-up gear and the sector gear are locked and released completely all at once.
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