Versatile adjustable stylus for key duplicating machine

Gear cutting – milling – or planing – Milling – With regulation of operation by templet – card – or other...

Reexamination Certificate

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C409S126000, C076S110000

Reexamination Certificate

active

10976401

ABSTRACT:
A versatile adjustable stylus for key duplicating machine comprising an arm laterally secured at one end on the periphery of a cylindrical body, and laterally movably arranged at the other end on an engagement base secured on a substrate of the key duplicating machine in accordance with the different duplicating distances between the duplicating cutter and the original keys to be duplicated; a retractable spring-loaded tracer movably engaged in one end of the cylindrical body, for pre-tracing the depths of the key teeth of an original key; and a regulating grip angularly movably engaged in the other end of the cylindrical body, for regulating the retractable movement amount of the retractable spring-loaded tracer.

REFERENCES:
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patent: 3902382 (1975-09-01), Lieptz
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patent: 4898504 (1990-02-01), Agius et al.
patent: 5259708 (1993-11-01), Brice
patent: 5496138 (1996-03-01), Drori
patent: 5607267 (1997-03-01), Heredia et al.
patent: 5660509 (1997-08-01), Cole et al.
patent: 5951218 (1999-09-01), Wu
patent: 6033164 (2000-03-01), Hoffman et al.
patent: 2040759 (1980-09-01), None

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