Removable control rod drive shaft guide

Induced nuclear reactions: processes – systems – and elements – Reactor structures – With particular control rod guide structure

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Details

376463, 285320, 403197, G21C 700, F16B 902

Patent

active

047510420

ABSTRACT:
A flexureless insert guide assembly. An annular shaped body inserted through the hole in a guide structure card has spring loaded arms pivotally mounted in the body which snap outward to retain the assembly in place. The assembly has an exterior groove adapted to receive removal tooling which causes retraction of the arms for removal of the assembly.

REFERENCES:
patent: 763317 (1904-06-01), Nelson
patent: 3041089 (1962-06-01), Purves
patent: 3700112 (1972-10-01), Maeshiba
patent: 4444419 (1984-04-01), Maeshiba
patent: 4627760 (1986-12-01), Yagi et al.
patent: 4637914 (1987-01-01), Boyle et al.

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