Shearing machine for metal sheet having blades at right angles c

Details Shearing machine for metal sheet having blades at right angles c Shearing machine for metal sheet having blades at right angles c

1983-05-24

1985-08-13

Yost, Frank T.

Cutting

Means to drive or to guide tool

Means to change datum plane of tool or tool presser stroke

83563, 83620, 83638, 83694, B26D 512

Patent

active

045342555

ABSTRACT:
A shearing machine for metal sheets having a pair of upper mobile and lower stationary cooperating blades, each blade having two segments mounted perpendicular to each other.
The two segments at right angles of the mobile blade are movable independently either with respect to each other or with respect to the common support so that, in turn each segment is able to execute cut strokes of different lengths in order selectively to engage one and/or the other of the segments. Each of them is able to execute cuts longer than its own longitudinal extension.

REFERENCES:
patent: 3298267 (1967-01-01), Schmid et al.
patent: 3424045 (1969-01-01), Breetvelt
patent: 3706251 (1972-12-01), Wheeler et al.
patent: 3828639 (1974-08-01), Roch
patent: 3933070 (1976-01-01), Walters et al.
patent: 3935778 (1976-02-01), Pretty
patent: 3971281 (1976-07-01), Bredow et al.
patent: 4367669 (1983-01-01), Legorburu
patent: 4483227 (1984-11-01), Camisa

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