Key identifier method and apparatus

Details Key identifier method and apparatus Key identifier method and apparatus

1992-12-16

1994-10-04

Will, Thomas B.

Geometrical instruments

Gauge

Lock or key

33501, G01B 520

Patent

active

053514092

ABSTRACT:
A key identifier enables an operator to select a key blank design functionally compatible with an unknown key by directing the operator to implement a primary classification step followed by a secondary classification step to sort an unknown key into a specified secondary classification category. The key identifier operator then implements a key blade matching procedure within the specified secondary classification category where the cross section of the blade of the unknown key is matched with a defined blade cross sectional configuration. When a match is obtained between the unknown key blade configuration and the known blade configuration, the known key blank design can be identified and a compatible key blank can be selected.

REFERENCES:
patent: D251365 (1979-03-01), Lipinski
patent: D257758 (1981-01-01), Limacher
patent: 466044 (1891-12-01), Jacobs
patent: 2707335 (1955-05-01), Falk
patent: 2940183 (1960-06-01), Fromberg
patent: 3172969 (1965-03-01), Haggstrom
patent: 5127532 (1992-07-01), Cimino et al.
patent: 5167171 (1992-12-01), Heredia
American Consumer Products, Inc., Cole Consumer Products Division, Cleveland, Ohio 44105; "Key Locator Book, A Complete Guide To Quick, Easy And Correct Key Selection", pp. 1-72, Dec. 1988.

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