Nuclear fuel assembly handling apparatus
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United States of America Patent
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Dec 26, 2017
Grant Date -
Jul 24, 2014
app pub date -
Mar 5, 2013
filing date -
Jan 24, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A fuel assembly handling tool that can be lowered onto the top nozzle of a fuel assembly, positively latch the top nozzle, unlatch from the top nozzle, and be raised off the top nozzle of the fuel assembly. The tool head, that interfaces with the top nozzle has load bearing grippers that latch onto the fuel assembly, that are located in a storage position up within the tool while the tool is lowered onto the fuel assembly. The gripper fingers are then lowered into position during the latching process, and are raised back to the storage position during the unlatching process. In the storage position, the gripping fingers are spaced above the fuel assembly top nozzle when the tool head is resting on the nozzle.
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