Fastener setting hand tool

Details Fastener setting hand tool Fastener setting hand tool

1977-10-11

1979-03-20

Lanham, C.W.

Metal deforming

By tool-couple embodying nonplanar tool-face

With complementary tool-faces

72445, 81363, B21D 706

Patent

active

041447387

ABSTRACT:
Toggle action hand-setting tool includes special cam surface on toggle parts to intensify setting pressure during the end of closing travel when greatest mechanical advantage is needed. Readily accessible spring means and special mounting means for fastener-part holders are features. Frame may be designed to yield slightly to avoid breakage which might otherwise result if device is used with oversize fabric.

REFERENCES:
patent: 562368 (1896-06-01), Barry
patent: 2875655 (1959-03-01), Lako
patent: 3250450 (1966-05-01), LePage
patent: 3564956 (1971-02-01), Landen

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