Device for axially holding an element of elongate shape and for setting it in rotation around its axis
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United States of America Patent
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Sep 20, 2016
Grant Date -
Nov 7, 2013
app pub date -
Oct 28, 2011
filing date -
Oct 29, 2010
priority date (Note) -
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Abstract
An installation for welding top plugs on to nuclear fuel rods comprising a device for axially holding the rod and setting it in rotation and a weld chamber, where the device comprises a gripper and structure to close the gripper on the rod, where the structure comprise a pusher to apply an axial force on to the gripper, a linear actuator of axis parallel to the lengthways axis of the device, a yoke translationally secured to the pusher, and able to rotate freely around a fixed axis orthogonal to the lengthways axis which is not secant with the latter, where the yoke is connected and able to pivot relative to the linear actuator around a fixed axis parallel to the orthogonal axis such that the linear actuator causes the yoke to rotate around the first orthogonal axis and causes the pusher to slide, closing the gripper on the rod.
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