This disclosure relates to an electric actuator to render optical elements movable. The electrical actuator generally has a motor, a mechanical transmission assembly having an endless screw, a support element of the endless screw, a drive mechanism, and a return mechanism. The motor is configured to drive the mechanical transmission assembly and the mechanical transmission assembly is configured to drive the drive mechanism, wherein the return mechanism exerts an axial pressure against the endless screw in such a way as to press the endless screw against the support element. The disclosure also relates to an assembly having a movable optical element and an electric actuator of the movable optical element as described above.
ACTIONNEUR POUR RENDRE AU MOINS UN ELEMENT OPTIQUE MOBILE
2018-01-12
Patent
Electronic Resource
French
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F16F SPRINGS , Federn / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen |
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