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
1995-07-24
1997-01-28
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member or portion thereof located between substructure and...
411120, 411121, F16B 3504, F16B 3704, F16B 3910
Patent
active
055972780
ABSTRACT:
A free spinning positively locking fastener assembly for threaded joints such as automotive or truck wheel assemblies includes a flanged nut with a retainer washer captured on the nut flange. The washer includes a tab received in a slot of a wheel spindle to permit the washer to move axially and prevent the washer from rotating. A pair of resilient locking clips normally lock the nut to the washer to prevent relative rotation so that neither the nut nor the washer can rotate relative to the spindle. The locking clips are released by engagement of a wrench socket with the wrenching structure of the nut so that the nut can be threaded to a desired position. When the wrench is removed, locking fingers on the clips engage the washer to prevent the nut from rotating. The clips are located at diametrically opposed wrenching flats of the nut, spaced from the corners of the wrenching structure.
REFERENCES:
patent: 3389735 (1968-06-01), Katz
patent: 3851690 (1974-12-01), Wing et al.
patent: 4812094 (1989-03-01), Grube
patent: 4976576 (1990-12-01), Mahaney, Jr. et al.
patent: 5141374 (1992-08-01), Olofsson
MacLean-Fogg Company
Wilson Neill R.
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