Fastener with attached lock ring

Details Fastener with attached lock ring Fastener with attached lock ring

1985-02-28

1986-02-04

Wolfe, Robert L.

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

Threaded fastener locked to a discreet structure

Nut, and means to engage substructure on its opposite faces...

411109, 411968, F16B 3712

Patent

active

045682283

ABSTRACT:
A lock ring and fastener which is manufactured with the lock ring connected thereto by metal tabs or a metal strip of the same parent material as the fastener. It is intended to be installed in a threaded bore of a workpiece as an insert or stud.
The lock ring is displaced and the metal tabs or strip is broken by a special installation tool. This tool flattens any rough edges that remain on the insert or stud after installation. The internal grooves of the lock ring engage the external teeth of the insert or stud. The external teeth of the lock ring bite into the workpiece and by coacting with the external teeth of the insert or stud assist in preventing rotation of the insert or stud in the workpiece.

REFERENCES:
patent: 2400318 (1946-05-01), Rosan
patent: 2822014 (1958-02-01), Cummaro
patent: 2849046 (1958-08-01), Cummaro
patent: 3124189 (1964-03-01), Dietlein
patent: 3179144 (1965-04-01), Brown
patent: 3215183 (1965-11-01), Dietlein
patent: 3259163 (1966-07-01), Rosan et al.
patent: 3281173 (1966-10-01), Rosan
patent: 3454072 (1969-07-01), Dietlein
patent: 4067371 (1978-01-01), Stencel

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