Shield driving device for headlamp
US9945531B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2016 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Oct 5, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2200/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.