Geometrical instruments – Miscellaneous – Light direction
Patent
1981-06-26
1983-06-14
Martin, Jr., William D.
Geometrical instruments
Miscellaneous
Light direction
33174G, 33181AT, G01B 300
Patent
active
043875114
ABSTRACT:
An apparatus and method for identifying automotive brake spiders is disclosed. These spiders are of the type having two anchor pin holes which extend between a first and second side of a boss on the spider. An axle spindle hole, capable of receiving the automotive axle therethrough is centrally provided in the spider. A single actuator rod hole is provided and extends from a first to a second side of the spider and is located at the end of the spider opposite the end containing the anchor pin holes. The anchor boss is offset from the first and second sides of the spider. The spider has an axis running through the centers of the actuating rod hole and the spindle hole which perpendicularly bisects a line between the centers of the anchor pin hoels. The apparatus itself has cylindrical posts which engage the actuator hole and the anchor pin holes to support and position the brake spider. A combination depth gauge and angular pointer is mounted on the apparatus to fit within the spindle hole and is capable of measuring the offset between the second side of the anchor pin boss and the first side of the brake spider and is also capable of measuring the angular offset various holes on the spider from the above defined axis measured from a center located at the center of the spindle hole.
REFERENCES:
patent: 2003556 (1935-06-01), Saballus
patent: 2059407 (1936-11-01), Spase
patent: 2117854 (1938-05-01), Price
patent: 3241244 (1966-03-01), Jones
patent: 3685160 (1972-08-01), MacKeigan
patent: 4208798 (1980-06-01), Sampson
Martin, Jr. William D.
Rockwell International Corporation
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