Projection head lamp for cars

Details Projection head lamp for cars Projection head lamp for cars

1993-06-01

1994-08-16

Lazarus, Ira S.

Illumination

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

Tie rod element controlled

362282, 362319, 362351, B60Q 102, B60Q 104

Patent

active

053392264

ABSTRACT:
A projection head lamp for vehicles comprises a substantially elliptical reflector 14, a light source located at the first focal point 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 and the focal point of the projection lens 16, the shade 20 intercepting light beams going from the reflector 14 toward the projection lens 16. The shade 20 may be turned about the horizontal shaft. To adjust the beam distribution pattern, the shade 20 is turned. The shade 20 consists of left and right shades 21 and 22, which are separated and horizontally extended when seen from the point right under the optical axis. The shades 21 and 22 have pairs of shade plates 212 and 213, and 222 and 223, of which the extended parts extending along the horizontal shaft overlap with one another.

REFERENCES:
patent: 2015935 (1935-10-01), Herring
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: 5158352 (1992-10-01), Ikegami et al.

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