Geometrical instruments – Gauge – Wheel
Patent
1992-05-26
1993-04-13
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
Wheel
33203, G01B 5255
Patent
active
052017826
ABSTRACT:
A bicycle wheel truing tool includes a middle and two outer elongated rigid segments having the same lengths and shapes. The segments are pivotally connected together to permit erecting of the tool from a storage condition in which the segments are retracted to a nested relationship to an operational condition in which the segments are extended to an end-to-end relationship. The tool has a length in the storage condition which is about one-third that in the operational condition. Each tool segment is similarly progressively twisted along its longitudinal extent such that the opposite end portions of the segment lie in respective planes oriented in a generally transverse relationship to one another. The truing tool also includes a pair of releasably adjustable clamping mechanism pivotally connecting opposite end portions of the middle segment with adjacent end portions of the two outer segments. In the operational condition of the tool, one outer segment at one end portion thereof can be temporarily fixedly mounted to an end of the wheel axle. The clamping mechanisms can be released and retightened to adjustably pivot the middle segment and other outer segment relative to one another and to the one outer segment to place an end portion of the other outer tool segment having a reference edge defined thereon at a desired stationary position adjacent to the wheel rim to aid in visually gauging the trueness thereof.
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Cuchlinski Jr. William A.
Flanagan John R.
Fulton C. W.
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