Key duplicating machine

Details Key duplicating machine Key duplicating machine

1991-09-10

1992-11-24

Yost, Frank T.

Cutting

With means to convey work relative to tool station

With work-constraining means on work conveyer

83 36, 83249, 83917, 269 56, B26F 112

Patent

active

051653150

ABSTRACT:
A device to duplicate a key utilizing the predetermined pitch codes and depth codes of the key to be duplicated, wherein a punch which produces an individual pattern of serrations and a die which makes a pair with said punch are used, a key-holding means which clamps a blank key to be duplicated is moved to the specified position by the use of a pitch code plate and either a depth code plate provided with stair-like codes corresponding respectively to the depth code of the key to be duplicated or a depth code piece whose contacting faces have the width corresponding respectively to the depth code of the key to be duplicated and, by the use of aforesaid punch and die, an individual serration pattern is formed one by one on the blank key mounted on the device.

REFERENCES:
patent: 894726 (1908-07-01), Corbin
patent: 2812816 (1957-11-01), Hoffman
patent: 3748940 (1973-07-01), Muri
patent: 3769865 (1973-11-01), Kleist
patent: 4373414 (1983-02-01), Agius
patent: 4651604 (1987-03-01), Almblad et al.

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