Geometrical instruments – Gauge – Wheel
Patent
1994-12-09
1996-06-25
Fulton, Christopher W.
Geometrical instruments
Gauge
Wheel
33288, G01B 5255
Patent
active
055288367
ABSTRACT:
A locking mechanism is provided for a vehicle wheel aligner sensor having a housing with a rotatable shaft extending from the housing. The shaft is removably received in a sensor support mounted to a vehicle wheel. The locking mechanism includes a gear fixed to the shaft within the sensor housing and a worm gear mounted on a lever. The lever is pivotally mounted in the housing and at least a part of the lever extends above the housing so that the lever may be pivoted by an operator. The lever is pivotable to move the worm between a locked position in which the worm engages the gear and an unlocked position in which the worm is out of engagement with the gear. The lever is axially rotatably mounted in the sensor housing so that the worm may be rotated with respect to the gear when the lever is in the locked position to allow for fine adjustment of the sensor's rotational position.
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Fulton Christopher W.
Hunter Engineering Company
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