Handling: hand and hoist-line implements – Article carrier gripped and carried by hand – Convertible to – or useable as – different device or different...
Patent
1974-02-15
1976-03-23
Sheridan, Robert G.
Handling: hand and hoist-line implements
Article carrier gripped and carried by hand
Convertible to, or useable as, different device or different...
176 30, 214 18N, 294 86A, G21C 1910
Patent
active
039455149
ABSTRACT:
A gripping and lifting device, especially for use with fuel elements and control rod means in a nuclear core reactor in which a carriage having a winch thereon supports a mast beneath the carriage in which is slidable a tubular body within which, in turn, is slidable a housing. Cables lead from the winch to the first body for vertical movement thereof while the housing has limited axial movement in the aforementioned body. On the lower end of the housing are two gripper devices, one for engagement with the control rods and the other for engagement with the fuel element. Separate actuators are provided for the two grippers and sensing devices are included in the structure for sensing the positions of the grippers. A feature of the arrangement is that when the body is elevated and the housing moves downwardly therein to a stopped position, the gripper for the fuel element is locked in its respective position.
REFERENCES:
patent: 3691011 (1972-09-01), Kruger et al.
patent: 3768668 (1973-10-01), Schukei
Becker Walter
Fried Krupp Gesellschaft mit beschrankter Haftung
Sheridan Robert G.
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