Automatic rotation knife sharpener

Details Automatic rotation knife sharpener Automatic rotation knife sharpener

2009-04-28

2010-12-28

Rose, Robert (Department: 3727)

Abrading

Abrading process

Razor, knife, or scissors sharpening

C451S349000, C451S545000

Reexamination Certificate

active

07857681

ABSTRACT:
The present invention is directed to an automatic rotation knife sharpener where the crossed sharpening rods are automatically rotated each time a knife is passed down and through the sharpener. The rotation is derived through the means of a spring steel actuator mechanism making contact with the cogwheels of the sharpening rod holders. Magnets retain the sharpening rods in place within the sharpening rod holders. Sharpening rods may be easily removed and stored in troughs on the upper surface of the protective cover. A variety of sharpening rods with different abrasive surfaces can be easily exchanged in the device.

REFERENCES:
patent: 4624079 (1986-11-01), Bonapace
patent: 4646477 (1987-03-01), Robertson
patent: 4912885 (1990-04-01), Bonapace

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