Punch tool apparatus and method

Details Punch tool apparatus and method Punch tool apparatus and method

1985-09-30

1990-12-25

Yost, Frank T.

Tool driving or impacting

Processes

173 94, 173132, 29254, 81463, 811778, B25D 1700, B21D 2000

Patent

active

049795740

ABSTRACT:
A punch tool for applying force to a work piece includes a body, a grip mounted on one end of the body, a punch connected to the other end of the body, and an anvil pivotally connected to the body between the grip and the punch. A method for disengaging a fastener from an object in a limited work space includes inserting the punch of the tool into the work space in engagement with the fastener and striking the anvil with force sufficient to disengage the fastener. A method for punching a hole in an object at a point within a limited work space includes inserting the punch portion of the tool into the work space in engagement with the point and striking the anvil with force sufficient to punch a hole in the object.

REFERENCES:
patent: 951890 (1910-03-01), Tremblay
patent: 2301889 (1942-11-01), Lear
patent: 2475041 (1949-07-01), Mattson
patent: 2655825 (1953-10-01), Gendron
patent: 3550486 (1970-12-01), Edwards
patent: 3791012 (1974-02-01), Jenkin
patent: 4327806 (1982-05-01), Arya

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