Geometrical instruments
Patent
1983-05-11
1984-12-11
McQuade, John
Geometrical instruments
339DIG2, H01R 13623
Patent
active
044874707
ABSTRACT:
A thin, flat, elongated band (50) of flexible material having opposite ends and of roughened surfaces is slidably wrapped about itself several times and around a plug shell (20) such that one end is confined against the plug shell and the other end is connected by a tab (52) to a coupling nut (30), the coupling nut including on its inner wall a plurality of radial detents (42) sized to successively receive the tab (52) upon rotation of the coupling nut, rotation of the coupling nut (30) and threadable coupling with a receptacle shell (10) in a coupling direction drawing the shells (10, 20) together whereby cooperating flanges (36, 22) on the coupling nut and plug shell and thread flanks are tightly abutting, coupling rotation tending to unwrap the band (50) so that it will slide freely about the plug shell, uncoupling rotation being resisted by the band tightly coiling so that it will not slide about the plug shell, increased external torque camming the tab (52) from its detent (42) and into the next detent, the band (50) thereby providing resistance only to unwanted uncoupling.
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Knapp Anthony W.
Shepler Eric F.
Lacina C. D.
McQuade John
The Bendix Corporation
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