Gear cutting – milling – or planing – Milling – With regulation of operation by templet – card – or other...
Patent
1984-03-02
1986-09-30
Briggs, William R.
Gear cutting, milling, or planing
Milling
With regulation of operation by templet, card, or other...
76110, B23C 335
Patent
active
046144650
ABSTRACT:
A cavity key duplicating machine having an upright drill which may be moved upward and downward and has an adjustable stroke, an upright guide which may be moved upward and downward together with the upright drill, as well as the left and right vises secured on an upper carriage slidably secured on a lower carriage slidably secured on a base. A ring-shaped stroke adjuster is releasably secured on a pinion shaft rotatably secured on a case, and having an inner pin formed thereof in order that the inner pin can be stopped by a fixed pin mounted on the side of the case when it is rotated by the pinion shaft for the control of the stroke of the upright drill.
REFERENCES:
patent: 3388619 (1968-06-01), Schreiber et al.
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