Low beam headlight for motor vehicles

Details Low beam headlight for motor vehicles Low beam headlight for motor vehicles

1993-02-26

1995-10-24

Lazarus, Ira S.

Illumination

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

Tie rod element controlled

362211, 362297, 362346, B60Q 104

Patent

active

054615496

ABSTRACT:
A low beam headlight for motor vehicles has a reflector having an optical axis and a light outlet opening, a light body, a light disc covering the light outlet opening of the reflector, the reflector having an upper region and a lower region having different reflection surfaces which have different shapes and at least partially form a portion of at least approximately general paraboloid and which reflect images of the light body for forming a light distribution with a light-dark limit having a substantially horizontal portion and a portion which is inclined relative to the substantially horizontal portion at an angle .alpha., the reflector being formed so that in sections through the reflector which are perpendicular to the optical axis, section curves are produced whose eccentricity is changeable over their course so that an uppermost image of the light body which is reflected from the upper reflector region has an upper edge adjoining the horizontal uppermost of the light-dark limit and an uppermost image of the light body which is reflected from the lower reflector region has an upper edge which adjoins the inclined portion of the light-dark limit, the upper and lower regions of the reflector contacting one another in a contact plane, the eccentricity of the section curves increasing from zero in the contact plane to a maximal value in an axial plane extending perpendicular to the contact plane, the contact plane being an axial plane which is inclined relative to a horizontal plane at the half angle .alpha. of an inclination of the inclined portion of the light-dark limit and in a same direction as the inclined portion.

REFERENCES:
patent: 4754374 (1988-06-01), Collot
patent: 4924359 (1990-05-01), Lindae et al.
patent: 5086376 (1992-02-01), Bleasseau
patent: 5192124 (1993-03-01), Kawashima et al.
patent: 5215368 (1993-06-01), Neumann

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