Valve surfacing machine with variable speed chuck

Details Valve surfacing machine with variable speed chuck Valve surfacing machine with variable speed chuck

1979-02-22

1980-10-21

Simpson, Othell M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 1900

Patent

active

042286212

ABSTRACT:
An improved automotive valve surfacing machine has a variable speed chuck assembly driven by a variable speed AC gear motor. The speed of the motor is set by a potentiometer. A one-way clutch assembly located between an output shaft of the variable speed motor and the chuck assembly provides a release mechanism whereby the chuck assembly may be freely turned in one direction, using a knob located at one end thereof, to visually inspect the valve surface being surfaced without any drag due to the gear motor.

REFERENCES:
patent: 1256185 (1918-02-01), Tripp
patent: 1431644 (1922-10-01), Fletcher
patent: 1909446 (1933-05-01), Albertson
patent: 2092117 (1937-09-01), Hall
patent: 2221918 (1940-11-01), Hall et al.
patent: 2606767 (1952-08-01), Preston
patent: 3029564 (1962-04-01), Humbert
patent: 3550323 (1970-12-01), Balsiger

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