Key cutting machine with a code selectable key duplicating syste

Details Key cutting machine with a code selectable key duplicating syste Key cutting machine with a code selectable key duplicating syste

1991-09-30

1993-12-21

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

With regulation of operation by templet, card, or other...

76110, B23C 116, B23C 330

Patent

active

052716988

ABSTRACT:
A code selectable key duplicating system is adapted to function with a key cutting machine having a key follower for engaging and tracing the contour of a bit notch pattern formed in the blade of a master key and a key cutter coupled to the key follower to reproduce the traced bit notch pattern of the master key in the blade of a key blank. The code selectable duplicating system includes a bit notch simulator which is divided into a selectable series of n adjacent notch segments to form a surface contour creating a simulated bit notch pattern corresponding to the bit notch pattern designated by a coded sequence. An alignment fixture positions the notch pattern simulator relative to the key follower enabling the key follower to trace the simulated bit notch pattern such that the key cutter reproduces the simulated bit notch pattern in the blade of the key blank.

REFERENCES:
patent: 2098728 (1937-11-01), McPhee
patent: 2114597 (1938-04-01), Goddard
patent: 3094039 (1963-06-01), Spain
patent: 3430535 (1969-03-01), Haggstrom
patent: 3496636 (1970-02-01), Lieptz
patent: 3633451 (1970-02-01), Lieptz
patent: 3810416 (1974-05-01), Nelms, Jr.
patent: 3919920 (1975-11-01), Schlage
patent: 4188163 (1980-02-01), Juskevic
patent: 4251173 (1981-02-01), Saucedo
patent: 4256423 (1981-03-01), Juskevic
patent: 4521142 (1985-06-01), Juskevic

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