Patent ID: 6543916
Filing Date: 2003-04-08
Classification: B60Q,F21S

Abstract:
A vehicular headlamp comprising:a container-shaped lamp body made from synthetic resin; a front lens made from synthetic resin attached to a front surface aperture portion of said lamp body so as to define together with said lamp body a lamp compartment; a reflector and a light source mounted on said reflector, said reflector and said light source being housed in said lamp compartment, said reflector comprising an aiming fulcrum forming a tilt fulcrum for said reflector; and at least one aiming mechanism provided between said lamp body and said reflector and supporting said reflector in such a manner that said reflector may be selectively tilted relative to said lamp body, said aiming mechanism comprising: a synthetic resin aiming screw rotatably supported in a screw insertion hole provided in said lamp body and extending in a forward direction; a bracket extending from said reflector; a synthetic resin nut member attached to said bracket and meshing with said aiming screw, said resin nut member advancing or retreating by rotation of said aiming screw; a nut slide guide formed integrally with said lamp body and extending outward so as to carry and support said nut member in a manner whereby said nut member can slide in a longitudinal direction; and stress relieving means comprising a ball joint structure provided at an attachment portion where said nut member is attached to said bracket for relieving stress generated in said attachment portion as said nut member advances or retreats.