A shield driving device for a headlamp, which operates a rotary shield that selectively blocks a portion of light emitted from a light source to an aspherical lens, the shield driving device may include the rotary shield disposed in front of the light source, and performing a closing operation for blocking the portion of light from the light source, and an opening operation for unblocking the portion of the light while rotating about a rotating shaft, a shield controlling cam disposed below the rotary shield to be rotatable in a state of being in contact with a cam contact portion of the rotary shield, and rotating simultaneously with the cam contact portion by frictional force caused by contact, and an actuator which transmits rotational power to the shield controlling cam.
SHIELD DRIVING DEVICE FOR HEADLAMP
13.07.2017
Patent
Elektronische Ressource
Englisch
IPC: | F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS / 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 |