G - Physics – 21 – C
Patent
G - Physics
21
C
359/27
G21C 19/20 (2006.01) B25J 11/00 (2006.01) G21C 17/01 (2006.01)
Patent
CA 1090011
EMERGENCY DISCONNECT MEANS FOR THE MANIPULATOR ARM OF A NUCLEAR REACTOR VESSEL INSPECTION APPARATUS ABSTRACT OF THE DISCLOSURE An emergency disconnect means is disclosed for uncoupling a portion of the linkage means which connects the several segments of an articulating manipulator arm employed in a nuclear reactor vessel inspection device. One of the motor housings included in the manipulator arm's segmented drive train is pivotably coupled between two segments thereof. In the event of power failure or the necessity of manual retraction of the manipulator arm from within the vessel, a lever is manually operated and moved from its normally locked position wherein the motor housing is positionally fixed to a release position wherein the motor housing and the remainder of the manipulator arm segments connected forwardly thereof are pivotally released to shorten the normal arm reach and alter the normal orientation of the manipulator arm to expedite removal without danger of col- lision.
298115
Jacobs Arthur F.
Morris Duane W.
Mcconnell And Fox
Westinghouse Electric Corporation
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