| 摘要 |
An adjustable member such as a seat back of a vehicle is connected to an adjustment mechanism which transfers an external mechanical or manual force to the seat back. The adjustment mechanism includes an actuating element which rotates the seat back in either direction in response to the application of the external force. An elastic return element stores energy during such movement to subsequently return the actuating element to a rest position. During such return, the actuating element is automatically disconnected from the seat back.
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