| 摘要 |
Locking device for vehicle doors, that comprises an actuatable pin (2) that draws said door from a pre-locking position to a final locking position, the device having a casing (3) with a slide that guides the movement of the pin, and a rotary ring (5), and integrally joined to the rotational axis of said ring are a drive cam (8) adapted for moving the pin along the slide in one direction, until it reaches the pre-locking position, and the crank of a crank-slider mechanism that connects the ring with the pin, and which moves the pin along the slide in the opposite direction as the ring continues its rotation, until it reaches the final locking position. All of this is adapted in such a way that the pin has to describe an alternating up and down movement with each cycle of the ring's rotation.
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