Knife sharpener

Details Knife sharpener Knife sharpener

1984-01-30

1985-07-16

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 34H, 51 35, 51 83BS, 51 84BS, 51 92BS, 51285, B24B 700

Patent

active

045287775

ABSTRACT:
A knife sharpening device having a grinding element adapted to be moved into the knife edge in a spiral path through a 180.degree. traverse and reverse, simultaneously moving longitudinally throughout the length of the knife's edge. A blade stropping element may be contained as an insert in the grinding element to strop the knife's edge during the reverse traverse.

REFERENCES:
patent: 181000 (1876-08-01), Hefft
patent: 255980 (1882-04-01), Henshaw
patent: 487552 (1892-12-01), Cline
patent: 593964 (1897-11-01), Luther
patent: 743033 (1903-11-01), Ridderhof
patent: 1113210 (1914-10-01), Goolnik
patent: 1667719 (1928-05-01), Cooney
patent: 2000941 (1935-05-01), Gardner et al.
patent: 2519542 (1950-08-01), Carey et al.
patent: 2865140 (1958-12-01), Shumway

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