Illumination – Light source and modifier – Tiltable or rotatable as a unit
Patent
1991-03-22
1991-11-12
Dority, Carroll B.
Illumination
Light source and modifier
Tiltable or rotatable as a unit
362287, 362 61, F21V 2126
Patent
active
050652931
ABSTRACT:
An automobile headlamp which indicates the inclination of the tilting member of the headlamp (the reflector in a movable-reflector type headlamp and the lamp body and reflector unit in a movable-unit type headlamp) in relation to the base member (the lamp body in a movable-reflector type headlamp and the lamp housing in a movable-unit type headlamp) in terms of a change on the scale on an inclination measuring device installed between an aiming screw and the base member. The inclination measuring device includes a guide member supported on the base member and extending approximately in parallel with a protruding portion of the rightward-leftward direction aiming screw. A sliding member is threadedly engaged with the protruding portion of aiming screw such that the sliding member slides relative to the guide member as the aiming screw is rotated. A linear scale formed on the guide member indicating an amount of relative displacement between the guide member and a reference mark on the sliding member. If desired, a similar inclination measuring device can be provided on the upward-downward direction aiming screw to indicate the amount of inclination of the tilting member in the upward-downward direction.
REFERENCES:
patent: 1609634 (1926-12-01), Ryan
patent: 4731706 (1988-03-01), Ricard
patent: 4922387 (1990-05-01), Ryder et al.
patent: 4928215 (1990-05-01), Fujiho et al.
patent: 5003436 (1991-03-01), Yamada et al.
Dority Carroll B.
Koito Manufacturing Co. Ltd.
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