Locking fastener

Details Locking fastener Locking fastener

1989-10-10

1992-03-03

Lindsey, Rodney M.

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

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

411326, 411429, 411978, F16B 3900

Patent

active

050927256

ABSTRACT:
A two member threaded fastener includes integral ribs and/or locking fingers formed concentrically around threaded portions of the two members which make up each fastener. The ribs and/or locking fingers interferingly interengage one another as the two members are threadedly intermated to either removably or permanently lock the members together as desired for a given application. Preferably, the locking fastener members are formed of a polymeric resin and include concentric annular rings which are spaced from the threaded portions of the fastener members by interconnecting webs and define axially extending ribs. The ribs are rounded and preferably sinusoidal for removably locking fastener members and are serrated for permanently locking fastener members.

REFERENCES:
patent: 687774 (1901-12-01), Oliver
patent: 781067 (1905-01-01), Hewitt
patent: 1163810 (1915-12-01), Darby
patent: 1253149 (1918-01-01), Childers
patent: 1279962 (1918-09-01), Anderson
patent: 1357331 (1920-11-01), LeFauve
patent: 1397808 (1921-11-01), Howarth
patent: 1609563 (1926-12-01), Loy
patent: 1656118 (1928-01-01), Joyal
patent: 2203219 (1940-06-01), Jackman, Jr.
patent: 2318590 (1943-05-01), Boynton
patent: 4617118 (1986-10-01), Smart

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