Headlamp with displacement gauge

Illumination – Vehicle steering mechanism or element moves pivoted lamp or... – Tie rod element controlled

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Details

362269, 362275, 362287, 362419, F21M 322

Patent

active

053813138

ABSTRACT:
Art automobile headlamp having a displacement gauge that facilitates the rotation of a zeroing adjustment screw. The displacement gauge is mounted between a lamp body and a reflector, which is supported rotatably by aiming mechanisms in the lamp body and is employed to measure the amount of rightward or leftward displacement of the light beam axis of the reflector. A zeroing adjustment screw for the displacement gauge passes through and extends rearward beyond the lamp body. A crown gear, employed as a screwdriver engaging fitting to rotate the zeroing adjustment screw, is fitted over the end of the zeroing adjustment screw at the rear of the lamp body. With this arrangement, a screwdriver can be inserted from above the lamp body to engage the crown gear and to rotate the zeroing adjustment screw. In an alternate embodiment, a drive shaft is provided having a bevel gear at its lower end engaging the crown gear and a screwdriver-engaging fitting at its upper end.

REFERENCES:
patent: 4922387 (1990-05-01), Ryder et al.
patent: 5032964 (1991-07-01), Endo et al.
patent: 5063480 (1991-11-01), McMahan et al.
patent: 5067052 (1991-11-01), Suzuki et al.
patent: 5077642 (1991-12-01), Lisak
patent: 5091829 (1992-02-01), Hendrischk et al.
patent: 5138532 (1992-08-01), Shirai et al.
patent: 5209558 (1993-05-01), Suzuki et al.

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