Low cost punch mechanism

Details Low cost punch mechanism Low cost punch mechanism

1989-09-22

1991-04-09

Yost, Frank T.

Cutting

Means to drive or to guide tool

With simple oscillating motion only

83689, 83698, 16243, 16260, 16266, B26D 112

Patent

active

050054589

ABSTRACT:
A pocket size inexpensive punch mechanism is provided to punch openings in paper objects, the punching teeth having a configuration especially adapted to produce sharp initial penetration of the paper object, followed by smoother cutting of the remainder of the opening.

REFERENCES:
patent: 4869143 (1989-09-01), Merrick et al.

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