Overhead travelling crane system
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United States of America Patent
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Dec 1, 2015
Grant Date -
Sep 10, 2015
app pub date -
Mar 10, 2014
filing date -
Mar 10, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An overhead travelling crane system includes a conveyor device, and two clamping devices connected with the conveyor device. The conveyor device includes two lifting units and a traversing unit connected with the lifting units. When in use, each of the clamping devices is moved upward or downward by operation of each of the lifting units of the conveyor device, and is moved leftward or rightward by operation of the traversing unit of the conveyor device. In addition, each of the clamping devices is extended outward to clamp the wheel rim or retracted inward to loosen the wheel rim.
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