Sharpener for screens of circular blades

Details Sharpener for screens of circular blades Sharpener for screens of circular blades

1979-07-13

1981-11-10

Parker, Roscoe V.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

76DIG9, B24B 348, B26B 1948

Patent

active

042990637

ABSTRACT:
A device is disclosed for sharpening both the blade and the screen of a circular blade type electric shaver. A cup is provided which seats in the well from which the screen and blade have been removed. The blade is seated in the cup and engaged to the drive post or shaft of the shaver. By driving the blade from the motor of the shaver while an abrasive surface is held against the blade its cutting edges are sharpened. To hone the inside of the screen a rotor is placed in the cup. The top of the rotor has an abrasive surface. When a screen is pressed against the abrasive surface and the rotor is driven by the shaver motor, the inside surface of the screen is honed.

REFERENCES:
patent: 2953851 (1960-09-01), Wheeler
patent: 3163964 (1965-01-01), Wheeler
patent: 3935638 (1976-02-01), Rookus

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