Locking thread form for male fastener

Details Locking thread form for male fastener Locking thread form for male fastener

1986-07-11

1988-03-29

Wilson, Neill

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

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

Comprising a thread lock

411938, F16B 3930

Patent

active

047340029

ABSTRACT:
A self-locking fastener combination including a standard female fastener element and a nonstandard male fastener element. The external threadform of the male fastener is characterized by an asymmetric flank angle arrangement and a step at the bolt threadform valley defined by an elevated portion which is of greater than nominal diameter and an adjacent depressed portion which may be of lesser than nominal diameter.

REFERENCES:
patent: 1798604 (1931-03-01), Hoke
patent: 1828856 (1931-10-01), Bridges
patent: 1946860 (1934-02-01), Kielland
patent: 2091788 (1937-08-01), McManus
patent: 2301181 (1942-11-01), Ilsemann
patent: 3323402 (1967-06-01), Gowen et al.
patent: 3433117 (1969-03-01), Gowen et al.
patent: 3721283 (1973-03-01), Evans
patent: 4341497 (1982-07-01), Downey
patent: 4351626 (1982-09-01), Holmes
patent: 4432682 (1984-02-01), McKewan

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