Depression forming tool

Details Depression forming tool Depression forming tool

1978-02-03

1979-06-26

Lanham, C. W.

Metal deforming

By tool-couple embodying nonplanar tool-face

With complementary tool-faces

72454, 72461, 72475, B21J 918

Patent

active

041589556

ABSTRACT:
A tool for forming a depression in a strap of material which is disclosed to comprise a C-clamp base, a reaction cup on one arm of the C-clamp base and a bolt-like deforming member threadedly mounted through the other arm of the C-clamp base. A bearing is provided at the head of the bolt to facilitate deformation and locator means are provided on the base of the clamp to gauge the distance of the depression from the edge of the material in which the depression is to be formed.

REFERENCES:
patent: 640271 (1900-01-01), Cassidy
patent: 1695476 (1928-12-01), Winkler
patent: 2285099 (1942-06-01), Specht
patent: 2427756 (1947-09-01), West
patent: 2903929 (1959-09-01), McVey
patent: 3078904 (1963-02-01), Bishop

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