Apparatus for and method of duplicative punched notching of the

Details Apparatus for and method of duplicative punched notching of the Apparatus for and method of duplicative punched notching of the

1985-09-16

1987-03-24

Culver, Horace M.

Cutting

Processes

Plural cutting steps

83412, 83415, 83588, 83618, 83917, B26F 112

Patent

active

046516042

ABSTRACT:
Apparatus and method for duplicative notching of the serration edge on a key blank according to the serration edge of an existing key serving as a templet. An axially movable key edge notching punch is controlled by the templet for punching a notch in the serration edge of the key blank corresponding to a notch in the serration edge of the templet when the punch is driven toward the key blank. The key blank and the templet key may be supported in a cassette which is indexible relative to the punch. The cassette and the notching mechanism are especially advantageous for notching the serration edges of key blanks carried by wallet size plastic cards.

REFERENCES:
patent: 894726 (1908-07-01), Corbin
patent: 2812816 (1957-11-01), Hoffman
patent: 3981214 (1976-09-01), Wich
patent: 4019415 (1977-04-01), Wich

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