Paul R Greenaway

US Patent:

43626920, Dec 7, 1982

Filed:

Nov 3, 1980

Appl. No.:

6/203307

Inventors:

Paul R. Greenaway - Bethel Park PA

Assignee:

The United States of America as represented by the United States
Department of Energy - Washington DC

International Classification:

G21C 1900

US Classification:

376268

Abstract:

A grapple for handling nuclear reactor components in a medium such as liquid sodium which, upon proper seating and alignment of the grapple with the component as sensed by a mechanical logic integral to the grapple, automatically seizes the component. The mechanical logic system also precludes seizure in the absence of proper seating and alignment.