Shear assembly for use with a punch press for cutting L sectioned steel strips
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United States of America Patent
Stats
-
Nov 2, 1999
Issued Date -
N/A
app pub date -
Jul 21, 1997
filing date -
Feb 3, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shear assembly to be replaceably installed in a portable, hydraulic punch press for cutting L sectioned steel strips at, typically, 45 degrees preparatory to combining them into rectangular frames at sites of construction. The shear assembly comprises a fixed shear in the shape of a female V with an apex angle of 90 degrees, and a movable shear in the shape of a male V movable up and down past the fixed shear. Formed in fixed relation to the fixed shear is a work rest having a pair of contact surfaces with a ridge therebetween in alignment with the apex of the fixed shear. The contact surfaces of the work rest are so positioned and angled that the opposite ends of an L sectioned steel strip can be cut off into angles of symmetrical shape. An alternate embodiment is disclosed.
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