Apparatus and method for aligning an object with respect to top-

Details Apparatus and method for aligning an object with respect to top- Apparatus and method for aligning an object with respect to top-

1982-09-20

1984-11-06

Martin, Jr., William D.

Geometrical instruments

Straight-line light ray type

Alignment device

33185R, 33275R, 33371, G01B 1126

Patent

active

044803907

ABSTRACT:
The invention provides an optical alignment method and apparatus for aligning a selected object with respect to an top-dead-center portion of a substantially circular wheel. A base mounted on the wheel has a positioning mechanism for effecting alignment wth the top-dead-center of the wheel. A mirror mounted on the base reflects an image of the selected object. The mirror has a reference mechanism associated therewith for referencing the image to indicate the relative alignment of the selected object with respect to the wheel top-dead-center. A sighting mechanism aligned with the reference mechanism allows accurate observation of the relative alignment between the image and the reference mechanism. The object is then moved until the image thereof is selectively aligned with the reference mechanism.

REFERENCES:
patent: 2198836 (1940-04-01), Patton
patent: 2472241 (1949-06-01), Wilson
patent: 2557029 (1951-06-01), Griffin
patent: 3457650 (1969-07-01), Hagmayer
patent: 4319406 (1982-03-01), Pehrson et al.

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