Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member or portion thereof located between substructure and...
Patent
1998-09-14
2000-03-21
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member or portion thereof located between substructure and...
411136, 411405, 411533, F16B 3924, F16B 4300
Patent
active
060395249
ABSTRACT:
A wedge lock fastener assembly includes a threaded nut having a peripheral flange, a wedge lock end face, and plural wrench-receiving notches in said flange. An associated washer has a peripheral skirt encircling the nut flange, a wedge lock face, and plural tabs extending angularly from the skirt across the peripheral flange so that the washer is captively retained on the nut. Peripheral notches in the washer are adapted to align with the notches in the nut, such that a special wrench can be extended into the aligned notches for loosening the nut and washer as a unit.
REFERENCES:
patent: 3329190 (1967-07-01), Oldenkott
patent: 5080545 (1992-01-01), McKinlay
patent: 5090855 (1992-02-01), Terry
patent: 5203656 (1993-04-01), McKinlay
patent: 5324149 (1994-06-01), Bainbridge et al.
patent: 5409338 (1995-04-01), McKinlay
patent: 5626449 (1997-05-01), McKinlay
patent: 5688091 (1997-11-01), McKinlay
Chandler Charles W.
Hong Kong Disc-Lock Company Limited
Wilson Neill
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