Projection headlamp for vehicles

Details Projection headlamp for vehicles Projection headlamp for vehicles

1993-06-03

1995-01-03

Lazarus, Ira S.

Illumination

Vehicle steering mechanism or element moves pivoted lamp or...

Tie rod element controlled

362283, 362322, 362343, 362360, B60Q 106

Patent

active

053791967

ABSTRACT:
A projection headlamp for vehicles has a substantially elliptical reflector 14, a light source (bulb) located at the first focal point F1 of the reflector 14, a projection lens 16 disposed in front of the reflector 14, and a shade 20 located at a position near to the second focal point F2 and the focal point of the projection lens 16. The shade 20 partially intercepts light beams going from the reflector 14 toward the projection lens 16. The shade 20 is allowed to turn about the horizontal shaft 23 of the reflector 14 to adjust the beam distribution pattern. The shade 14 includes right and left shades 21 and 22, which are separated and horizontally extended when seen from the point substantially right under the optical axis L, and are allowed to independently turn about the horizontal shaft 23.

REFERENCES:
patent: 1513848 (1924-11-01), Moore
patent: 1834542 (1931-12-01), Karlebo
patent: 3604922 (1971-09-01), Steel
patent: 4875141 (1989-10-01), Miyauchi et al.
patent: 4891738 (1990-01-01), Richardson
patent: 4899267 (1990-02-01), Mardon
patent: 4967319 (1990-10-01), Seko
patent: 5060120 (1991-10-01), Kobayashi et al.
patent: 5068768 (1991-11-01), Kobayashi
patent: 5138540 (1992-08-01), Kobayashi et al.
patent: 5213406 (1993-05-01), Neumann et al.

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