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
1995-09-14
1997-10-28
Lindsey, Rodney M.
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, 411133, F16D 3900
Patent
active
056811365
ABSTRACT:
Corrosion, loosening, safety and reusability problems incurred with prior art lock washers are eliminated in a lock washer having a planar washer body (6) formed of a thin sheet of resilient metal. A central aperture (12) is located in the body (6) and is adapted to receive the shank (24) of a bolt which a nut (22) is to be attached and locked. A lock fold (8) is formed in the body (6) radially outward of the central aperture (12). The lock fold (8) has a radially inward facing curved edge (18) displaced to one side of the plane of the body (6). The edge (18) is transverse to the radius of the body (6) and a lock fold (8) resiliently, lockingly engages with a flat of the nut.
REFERENCES:
patent: 92241 (1869-07-01), Williams
patent: 287390 (1883-10-01), Reese
patent: 314888 (1885-05-01), Smith
patent: 718838 (1903-01-01), Hawkins
patent: 788718 (1905-05-01), Hawkins
Blair James F. L.
Conley Fredrick
Lindsey Rodney M.
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