Headlamp level indicator

Details Headlamp level indicator Headlamp level indicator

1994-12-20

1996-12-24

Fulton, Christopher W.

Geometrical instruments

Straight-line light ray type

Alignment device

33335, 33391, 362 61, G01C 910, B60Q 100

Patent

active

055863930

ABSTRACT:
In accordance with the present invention, a headlamp beam alignment indicating and calibrating device includes a roller element arranged for rolling movement relative to a guide structure, and an indicator for indicating displacement of the roller member resulting from the rolling movement thereof relative to the guide structure. The guide structure is secured to the adjustable beam alignment portion of the headlamp for movement therewith so that any motion of the beam alignment structure results in movement of the guide structure indicated by a relative displacement of the roller element. In a preferred embodiment, the guide structure is an elongate track which is mounted on an adjustable beam alignment reflector wall of the headlamp. The movement of the reflector wall causes the coupled track to move and induce gravitational rolling of a ball in apparent relative displacement along the guide track.

REFERENCES:
patent: 685569 (1901-10-01), Bullard
patent: 1955488 (1934-04-01), Crane et al.
patent: 2205544 (1940-06-01), Rylsky
patent: 2357817 (1944-09-01), Foster
patent: 4660128 (1987-04-01), Bergin et al.
patent: 5042158 (1991-08-01), Schmelzer
patent: 5055980 (1991-10-01), Mochizuki
patent: 5083244 (1992-01-01), Shirai et al.
patent: 5107407 (1992-04-01), Collot et al.
patent: 5140503 (1992-08-01), Lisak

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