Die lift tool for rotary punch machine

Details Die lift tool for rotary punch machine Die lift tool for rotary punch machine

1993-10-12

1995-07-04

Briggs, William

Tool changing

Process

294265, 83670, B23Q 3155

Patent

active

054295734

ABSTRACT:
A die lift tool removes worn or damaged dies from their bores in the female wheel of a rotary punch machine. The tool has a generally cylindrical camming portion with a segment removed to form a lowered surface. The tool is inserted into openings located below die bores with the lowered surface in contact with the bottom of a die. When the tool is rotated, the die is displaced outwardly from its bore by the camming portion for removal from the wheel.

REFERENCES:
patent: 1161310 (1915-11-01), Hennessy
patent: 1649635 (1927-11-01), Willard
patent: 1786029 (1930-12-01), Phillips
patent: 2847225 (1958-08-01), Kosinski
patent: 3143177 (1964-08-01), Carornean et al.
patent: 4040161 (1977-08-01), Kelch
patent: 4548113 (1985-10-01), Topperwien
patent: 4949449 (1990-08-01), Wilson
patent: 5152209 (1992-10-01), Berger

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