Flarable threaded fastener

Details Flarable threaded fastener Flarable threaded fastener

1976-08-05

1977-09-06

Britts, Ramon S.

Geometrical instruments

85 77, 339276R, F16B 1306

Patent

active

040460541

ABSTRACT:
This invention provides a flarable fastener having a sleeve with a bendable wall at one end and a head at the other. A screw has a shank extending through the sleeve and a head overlying one end of the sleeve, with a knurl holding the screw and sleeve together. A nut is received on the outer threaded end of the shank and includes an axial protrusion dimensioned to enter the end of the sleeve upon advancement of the nut, causing the sleeve to be flared outwardly to form a flange for holding it to a workpiece.

REFERENCES:
patent: 1821312 (1931-09-01), Lillig
patent: 3009384 (1961-11-01), Degen et al.
patent: 3389736 (1968-06-01), Gulistan
patent: 3418869 (1968-12-01), Herpich
patent: 3465637 (1969-09-01), Cushman et al.
patent: 3726553 (1973-04-01), Reynolds et al.

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