Crowned flush head rivet

Details Crowned flush head rivet Crowned flush head rivet

1975-09-08

1977-01-25

Frazier, Roy D.

F16B 1904

Patent

active

040044840

ABSTRACT:
A rivet for joining a plurality of structural members having a cylindrical shank and a head with a conical undersurface, flared uniformly outwardly from the shank, an upper surface that is generally similar to the minor portion of a filled torus, sliced normal to its centerline and an outer edge therebetween which is rounded adjacent the conical undersurface and cylindrical adjacent the upper surface. When being installed in a workpiece aperture to form a joint, the rivet head coldflows to assume adequate expansion into the aperture while becoming generally flush to the workpiece surface so rivet head shaving is not required.

REFERENCES:
patent: 2233820 (1941-03-01), Paulecka
patent: 2237338 (1941-04-01), Dale
patent: 2646824 (1953-07-01), Johnson
patent: 3526032 (1970-09-01), Pipher
patent: 3561102 (1971-02-01), Diemer
patent: 3630116 (1971-12-01), Harper
patent: 3680429 (1972-08-01), Briles
patent: 3747467 (1973-07-01), Rossman
patent: 3821871 (1974-07-01), Schmitt
patent: 3927458 (1975-12-01), Speakman

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