Expansion fastening system with quick lock and release

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander

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Details

411 30, 411 45, 411448, F16B 1306

Patent

active

051002736

ABSTRACT:
A vibration-resistant two-member fastening device characterized by quick lock and release. The first of the two members has an engagement edge which is adaptable to apply pressure on the second member. The second member has either a recessed surface or a threadline, the diameter of which decreases from a front point away from the head towards a back point close to the head.

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