Lever operated punch with strengthened flap and punch head adjus

Details Lever operated punch with strengthened flap and punch head adjus Lever operated punch with strengthened flap and punch head adjus

1995-08-17

1998-08-04

Rachuba, Maurina T.

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

83634, B26D 720

Patent

active

057877831

ABSTRACT:
A hand-operated punch with adjustable assembly punch units and a slipper to receive punched out discs in which the assembly units are adjustable from the bottom through an opening in the slipper. The punch includes a strengthening flap configuration and the assembly units slide but do not turn during adjustment.

REFERENCES:
patent: 1728475 (1929-09-01), Cavill
patent: 1870055 (1932-08-01), Kline
patent: 2244320 (1941-06-01), Unger
patent: 2368790 (1945-02-01), Unger
patent: 2389105 (1945-11-01), Kern
patent: 2481883 (1949-09-01), Semler
patent: 2494836 (1950-01-01), Segal
patent: 3176570 (1965-04-01), Gaya
patent: 3714857 (1973-02-01), Stuertz et al.

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