Locking actuator for a latch of a vehicle door

Details Locking actuator for a latch of a vehicle door Locking actuator for a latch of a vehicle door

E - Fixed Constructions

05

B

292/22

E05B 47/00 (2006.01) E05B 65/12 (2006.01)

Patent

CA 1272749

A LOCKING ACTUATOR FOR A LATCH OF A VEHICLE DOOR A B S T R A C T The actuator comprises the following elements a) an electric motor capable of driving in rota- tion a reversible lead-screw on which is mounted a car- riage which is freely slidable and mechanically connec- ted to a lever for locking the latch ; b) a nut mounted on the lead-screw within the carriage, prevented from rotating by a guiding of the nut within the carriage and provided, on one hand, with an elas- tically yieldable element compressible between the car- riage and the screw so as to return the nut when the element is compressed, and, on the other hand, with a stud adapted to cooperate with ramps formed on a cam vertically movable in the case by the movement in translation of the nut and the stud con- trolling the cam ; c) the cam is provided with a shoe capable of bolting the carriage in the electrically locked position when it has been displaced to its upmost position by the stud sliding on the ramps, whereby any manual unlocking of the latch is prevented.

514270

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