Steel frame shearing apparatus

Details Steel frame shearing apparatus Steel frame shearing apparatus

1984-09-05

1986-02-25

Yost, Frank T.

Metal deforming

With cutting

By composite tool

100 95, 100 98R, B21D 3102

Patent

active

045719683

ABSTRACT:
A pair of side plates are provided in opposing and spaced relationship, a pair of jaw members are pivoted to a pair of main shafts extending between said side plates, a pair of opposing crushing blades are mounted on the leading end side of said jaw members for pinching and partially crushing a workpiece positioned therebetween in response to the closing movement of said jaw members and a pair of shearing blades are mounted on the base end side of the jaw members for shearing off said workpiece on the crushed portions of the workpiece in response to the closing movement of the jaw members.

REFERENCES:
patent: 426677 (1890-04-01), Owens
patent: 2214110 (1940-09-01), Ott
patent: 3273493 (1966-09-01), Smiltneek
patent: 4196862 (1980-04-01), Tagawa

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