Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Structure is coaxial – distinct member that restricts nut piece
Reexamination Certificate
2005-12-20
2005-12-20
Saether, Flemming (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Structure is coaxial, distinct member that restricts nut piece
C411S120000, C411S329000
Reexamination Certificate
active
06976817
ABSTRACT:
A positive locking fastener for inhibiting rotation of a nut located on a shaft of a threaded fastener, the positive locking fastener comprising: a first plate and a second plate receivable on the shaft, wherein at least one of said plates is rotationally fixed relative to the shaft; a locking assembly axially coupling said first plate to said second plate, said locking assembly including an opening formed in said second plate and a projection extending axially outward from said first plate, wherein said projection is adapted to extend through said opening and overlap a portion of said second plate; and a nut receiving aperture formed on one of said plates having a nut engaging member adapted to rotationally couple the nut to said plates, whereby the nut is rotationally fixed relative to the shaft to inhibit rotation of the nut.
REFERENCES:
patent: 388764 (1888-08-01), Cooke
patent: 484745 (1892-10-01), Pugh
patent: 732411 (1903-06-01), Hughes
patent: 969397 (1910-09-01), Partridge
patent: 1070946 (1913-08-01), Davis
patent: 1184930 (1916-05-01), Coulter
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patent: 1261616 (1918-04-01), Reinicker
patent: 1269059 (1918-06-01), D'Arden
patent: RE15379 (1922-06-01), Bechberger
patent: 1603952 (1926-10-01), Huffer
patent: 1731337 (1929-10-01), Giovannini
patent: 3804140 (1974-04-01), Harper
patent: 4781502 (1988-11-01), Kushnick
Renner, Kenner, Bobak
Saether Flemming
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