Patent · US Expired

Headlamp for power vehicle

US5047902A · kind A · utility

6Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 1990
Grant dateSep 10, 1991
Priority date
Expiry dateAug 23, 2010

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21W2102/13
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A headlamp for power vehicles comprises a reflector, a light source arranged in the reflector, the light source and the reflector being movable relative to one another so that in one position the light source is located close to a focal point of the reflector and in another position it is spaced from the focal point both along an optical axis and also vertically relative to the optical axis of the reflector.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.