Electric knife sharpener

Details Electric knife sharpener Electric knife sharpener

1980-05-23

1982-06-08

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51128, B24B 354

Patent

active

043332730

ABSTRACT:
An electric knife sharpener characterized by an electric motor having a stator winding producing a magnetic axial bias on the armature and on a grinding wheel axially displaceable bodily with the armature and by a pair of slots adapted to engage a knife against them and angularly intersecting the grinding wheel whereby a properly inserted blade axially displaces the grinding wheel and the motor armature to achieve a substantially constant magnetic axial bias of the grinding wheel against the blade of a knife upon magnetic action of the motor winding on the motor armature.

REFERENCES:
patent: 2114106 (1938-04-01), Geueke
patent: 2257407 (1941-09-01), Wulff
patent: 2522942 (1950-09-01), Gillen
patent: 2722783 (1955-11-01), O'Russa
patent: 2799125 (1957-07-01), Dicke
patent: 3075322 (1963-01-01), Uthoff
patent: 3911625 (1975-10-01), Ise

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