Key duplicating machine

Details Key duplicating machine Key duplicating machine

1998-02-20

1999-09-14

Briggs, William

Gear cutting, milling, or planing

Milling

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

76110, B23C 335

Patent

active

059512180

ABSTRACT:
A key duplicating machine comprising a rotating cutting tool directly secured on an output shaft of a driving motor; a duplicating stylus secured on a rack means secured on a substrate; a pair of clamping devices for clamping a key blank and a key sample, secured on a rectangular base releasably secured on an upper slide slidably secured on a lower slide slidably secured on said substrate; a compression spring arranged between said upper slide and a rear wall of said lower slide for constantly forcing said key blank to move toward and touch said rotating cutting tool for effecting a steady key cutting.

REFERENCES:
patent: 1978628 (1934-10-01), Hansen
patent: 3138999 (1964-06-01), Haggstrom
patent: 3919920 (1975-11-01), Schlage
patent: 4521142 (1985-06-01), Juskevic
patent: 4526498 (1985-07-01), Fieldhouse
patent: 4614465 (1986-09-01), Wu
patent: 5128531 (1992-07-01), Fadel

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