Self-locking nut

Details Self-locking nut Self-locking nut

2007-09-10

2010-10-12

Estremsky, Gary (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having structure to restrict rotation of threaded, mating...

Pawl and ratchet

C411S326000, C411S204000

Reexamination Certificate

active

07811038

ABSTRACT:
A self-locking nut includes a nut; a washer having a locking feature, the locking feature having a plurality of ridges; and at least one locking tab for slidably coupling the nut to the washer and engaging with the locking feature to resist rotation of the nut with respect to the washer.

REFERENCES:
patent: 454364 (1891-06-01), Kroell
patent: 763950 (1904-07-01), Beckett
patent: 1140974 (1915-05-01), Formby
patent: 1164575 (1915-12-01), Chalker
patent: 1868007 (1932-07-01), Frelin
patent: 2393764 (1946-01-01), Frank
patent: 4812094 (1989-03-01), Grube
patent: 5597278 (1997-01-01), Peterkort
patent: 6010289 (2000-01-01), DiStasio et al.

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