Multi-speed drive system for a portable lathe

Details Multi-speed drive system for a portable lathe Multi-speed drive system for a portable lathe

1986-09-08

1989-04-25

Schmidt, Frederick R.

Turning

Portable lathe for pipe turning

82128, 74670, B23B 322

Patent

active

048236551

ABSTRACT:
A multi-speed drive system for a portable lathe is disclosed wherein two or more input drive gears are utilized to drive a cutting tool holder ring. Each of the input drive gears has a different pitch diameter so that it will impart different drive speeds/torque characteristics to the cutting tool holder ring. A main drive gear is interposed between each of the input drive gears and a ring gear attached to the cutting tool holder. The input drive gears are each engaged with the main drive gear and a drive motor is connected to the desired input drive gear.

REFERENCES:
patent: 1301759 (1919-04-01), Stewart
patent: 3453673 (1969-07-01), Arnot
patent: 3916519 (1975-11-01), Gilmore
patent: 4390147 (1983-06-01), Zuckerman

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