Serrated knife sharpener

Abrading – Tool support for flexible-member tool – Manually manipulated

Reexamination Certificate

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Details

C451S045000, C451S557000

Reexamination Certificate

active

06547656

ABSTRACT:

CROSS-REFERENCE TO RELATED APPLICATIONS
Not Applicable
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable
BACKGROUND OF THE INVENTION
The present invention relates to an improved sharpener for a serrated knife.
There are serrated knives in existence which have ribbed portions alternating with concave portions on their cutting edges. Insofar as known, in the past there were no sharpeners in existence which could sharpen both the ribbed portions and the concave portions by engaging them individually in complementary mating relationship with a sharpener.
BRIEF SUMMARY OF THE INVENTION
It is one object of the present invention to provide a sharpener for a serrated blade which has a ribbed configuration for positively engaging ribbed configurations of a knife edge in complementary mating relationship.
It is another object of the present invention to provide a knife sharpener having both a ribbed configuration and a convex configuration for engaging ribbed cutting edges and concave cutting edges, respectively, in sharpening engagement. Other objects and attendant advantages of the present invention will readily be perceived hereafter.
The present invention relates to a sharpener for a serrated knife comprising an elongated sharpening member having a longitudinal axis and a peripheral surface, and a ribbed configuration on said peripheral surface extending longitudinally of said longitudinal axis. The sharpener preferably includes a convex surface on its peripheral surface extending longitudinally of said longitudinal axis for engaging concave edge portions of a knife in sharpening relationship.
The various aspects of the present invention will be more fully understood when the following portions of the specification are read in conjunction with the accompanying drawings wherein:


REFERENCES:
patent: 4197677 (1980-04-01), Graves
patent: 4231194 (1980-11-01), Glesser
patent: 4751795 (1988-06-01), Jenne
patent: D316662 (1991-05-01), Cherniak
patent: D328847 (1992-08-01), Button et al.
patent: D410185 (1999-05-01), Huber
patent: 6048262 (2000-04-01), Ray
patent: 6059645 (2000-05-01), LeVine
Arthur Lansky LeVine & Associates, Inc. brochure dated 1996—1 page.

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