| 摘要 |
A seat has a back connected to a seat proper via a hinge comprising two cheekplates that can be secured to each other by means of toothed slugs controlled by a cam. In order to enable the seat back to be folded down forwards, and then to return the back into its initial position, the cam of the hinge is associated with an external memory mechanism implemented in the form of a self-contained assembly which includes its own drive member connected to the cam by a mechanical connection including lost motion that is adapted so that actuation of the cam does not move the drive member, and so that actuation of the drive member causes the cam to be moved towards its unlocked position.
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