Portable hydraulic punch

Details Portable hydraulic punch Portable hydraulic punch

1987-09-02

1988-11-22

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Processes

Bit detachable

30360, 52747, 83 33, 83 34, 83 50, 408 79, B26F 100

Patent

active

047862157

ABSTRACT:
An apparatus for punching a plurality of predetermined spaced mounting holes in a building roof panel support member includes an elongated housing having an oil sump therewithin, a hydraulic pump together with an electric motor for actuation thereof mounted on the housing, guide structure which can be opened and closed for temporarily mounting the housing upon a roof panel support member, an adjustable gauge pin mounted on the housing near one end thereof, the gauge pin being supported on a mount which is adjustable along both the length and the width of the housing, and a hydraulic punch adjustably mounted near the other end of the housing from the gauge pin for punching holes in the support member.
The method of punching holes in a roof panel support member as disclosed herein is also part of this invention.

REFERENCES:
patent: 1231438 (1917-06-01), Serpas
patent: 2776712 (1957-01-01), Carlson
patent: 3663115 (1972-05-01), Vindez et al.
patent: 3924330 (1975-12-01), Mitsuhashi et al.

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