Vehicle headlamp

Details Vehicle headlamp Vehicle headlamp

2007-09-04

2009-02-03

Sawhney, Hargobind S (Department: 2885)

Illumination

Light source and modifier

Including reflector

C362S517000, C362S518000, C362S538000, C362S539000, C362S297000, C362S346000

Reexamination Certificate

active

07484864

ABSTRACT:
A headlamp includes a light source, a first auxiliary reflector disposed below a reflector, and a plurality of second auxiliary reflectors disposed on a front side of the first auxiliary reflector at a predetermined interval along a vertical direction. The light source is a line light source extending in a width direction of a vehicle. A sectional shape of a reflecting surface of the first auxiliary reflector taken along a vertical plane that is parallel to the optical axis is a shape of a parabola having an axis line downwardly extending in the forward direction at a predetermined downward inclination angle. A sectional shape of a reflecting surface of each of the second auxiliary reflectors taken along the vertical plane has a shape of a substantially straight line downwardly extending in the forward direction at a downward inclination angle which is smaller than the predetermined downward inclination angle.

REFERENCES:
patent: 1446891 (1923-02-01), Fay
patent: 3079529 (1963-02-01), Novinger
patent: 4219867 (1980-08-01), Zehender
patent: 6921188 (2005-07-01), Taniuchi
patent: 7125150 (2006-10-01), Brun et al.
patent: 7186009 (2007-03-01), Yamamura et al.
patent: 7325954 (2008-02-01), Futami
patent: 7393126 (2008-07-01), Naganawa et al.
patent: 7401958 (2008-07-01), Okada
patent: 2001-229715 (2001-08-01), None

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