Gear cutting – milling – or planing – Milling – With regulation of operation by templet – card – or other...
Patent
1982-07-20
1985-07-02
Weidenfeld, Gil
Gear cutting, milling, or planing
Milling
With regulation of operation by templet, card, or other...
409 83, 74568R, B23C 335
Patent
active
045264988
ABSTRACT:
A key forming machine including a machine frame, key cutting means mounted on the machine frame and operable to cut bittings of preselected location and depth into a key blank to form a key, and a carriage assembly adapted to carry a key blank and mounted on the machine frame for movement for presentation of the key blank to the key cutting means. First and second indexing mechanisms ar mounted on the machine frame and operable to move the carriage assembly, for presentation of a carried key blank to the key cutting means, to indexed positions respectively corresponding to preselected bitting locations and bitting depths. The indexing mechanisms each include an interengageable cam element and follower element, each cam element defining at least one series of discrete land portions representative of the indexed positions of the carriage assembly. The cam elements are separately movable to interengage a selected one of the land portions thereof with the respective follower element, that movement causing coaction between the cam elements and respective follower elements to move the carriage assembly to the indexed positions represented by the selected land portions and so present the carried key blank to the key cutting means for cutting a bitting at the corresponding bitting location and bitting depth.
REFERENCES:
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patent: 3998114 (1976-12-01), Nevery
Howell Daniel W.
Lloyd Matheson, Inc.
Weidenfeld Gil
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