Apparatus for removing keys from support grid
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United States of America Patent
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-
Mar 28, 1995
Grant Date -
N/A
app pub date -
Oct 21, 1993
filing date -
Oct 22, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus is presented for removing the keys smoothly and reliably from support grids of a fuel assembly. The apparatus performs the task of removing the keys, which had been inserted into the grid through the opening sections of the grid, and enables mechanization and automation of the key removal operation. The apparatus has a robotic arm including a pair of parallel grid support members freely movably disposed at the end of the robotic arm for clamping onto the side edges of the grid. The apparatus further includes a key rotation device disposed on the support arm for engaging with and rotating the keys; a key moving device disposed on the grid support members so as to hold the keys and move the keys in the direction of the key axis.
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