Method and apparatus for making a secondary key for a lock mecha

Details Method and apparatus for making a secondary key for a lock mecha Method and apparatus for making a secondary key for a lock mecha

1977-04-25

1979-03-13

Culver, Horace M.

B23C 324

Patent

active

041435826

ABSTRACT:
A small and simply operated recording apparatus employing an elastic pressure element is utilized to make a three dimensional recording in thin metallic foil from each of the two sides of a primary key from which a secondary key is to be manufactured, the recordings placed in an interpreting apparatus, which may be located remotely from the recording apparatus, which permits extraction of precise three dimensional data stored in the recordings whereafter the extracted data is utilized in key cutting apparatus to produce a secondary key, in all comprising a key making system.

REFERENCES:
patent: 3209996 (1965-10-01), Carson et al.
patent: 4012991 (1977-03-01), Uyeda
"Metals Handbook," 8th Edition, Forging and Casting Published by "American Society of Metals" Metals Park, Ohio 44073- p. 181.

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