Rollable knife sharpener

Details Rollable knife sharpener Rollable knife sharpener

1986-03-06

1987-06-16

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51210, 51295, 51111R, B24D 1508

Patent

active

046727787

ABSTRACT:
Knife sharpener rollable on a support and having two substantially coaxially disposed equally sized rollers (2,4) pressed resiliently against each other. The rollers have on their facing sides externally conical intermeshing toothed rings (32) which consist at least at their facing faces (38) of a durable grinding material. The knife blade to be sharpened is introduced between the two toothed rings, the latter being pressed apart in the respective region. The grinding action is effected by the relative movement of the end faces of the toothed rings with respect to the blade drawn or pushed through, while the knife sharpener rolls on the support.

REFERENCES:
patent: 466293 (1891-12-01), Peer
patent: 2420814 (1947-05-01), Clark
patent: 2469797 (1949-05-01), Thompson
patent: 2567941 (1951-09-01), Karlstrom
patent: 2646653 (1953-07-01), Murchison
patent: 2900768 (1959-08-01), MacFarland
patent: 3032938 (1962-05-01), Voll
patent: 4102085 (1978-07-01), Church et al.

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