Device for sharpening knives

Details Device for sharpening knives Device for sharpening knives

1989-01-17

1990-05-29

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51102, 51208, 51206R, 51 99, B24B 708

Patent

active

049284363

ABSTRACT:
The object of the invention relates to a device for sharpening knives, comprising a freely rotatably mounted grinding element (6) consisting of two truncated cones turned against each other. In known devices of this kind, one side of the knife blade (17) remains unground at the free end and handle end of the blade. This can be avoided, if the grinding element (6) can turn around one end (11) of its axle (10) in such a way that the axle forms an angle with respect to the sharpening direction of the knife, which angle is smaller or larger than 90.degree. in the end positions of the axle.

REFERENCES:
patent: 1342275 (1920-06-01), Cornell
patent: 1360998 (1920-12-01), Barber
patent: 1591469 (1926-07-01), Conn
patent: 3426485 (1969-02-01), Yamaoka
patent: 3461616 (1969-08-01), Nissen et al.
patent: 4050197 (1977-11-01), Thompson
patent: 4338748 (1982-07-01), Elbel

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