Portable, power driven punch press for working on steel frame me

Details Portable, power driven punch press for working on steel frame me Portable, power driven punch press for working on steel frame me

1994-11-28

1997-02-04

Jones, David

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

7245315, 30180, 30228, 83917, B26B 1700

Patent

active

055987370

ABSTRACT:
A portable punch press suitable for bending, cutting or otherwise working on steel frame members at sites of construction. Included is a C shaped frame erected on a bed for upstandingly carrying a hydraulic cylinder in overlying relationship to the bed. A replaceable die assembly is mounted on the bed so as to be acted upon by the hydraulic cylinder a for working on a desired blank. A pump for supplying a pressurized fluid to the cylinder is mounted thereon and driven by an electric motor disposed behind the pump. The pump and its drive motor are disposed in horizontal alignment for reduction of the total height of the machine, so that a steel frame member can be bent into a rectangular frame of less size than heretofore. In another embodiment the die assembly is modified to include a drive linkage such that the dies are disposed out of vertical register with the cylinder, thereby making possible the production of rectangular frames of further reduced size.

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