Knife Sharpener

FIG. 1 is a front perspective view of a knife sharpener, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged detail view of area 8 in FIG. 4 ; and,

FIG. 9 is an enlarged detail view of area 9 in FIG. 6 .

The broken lines in the drawings illustrate the portions of the knife sharpener, which form no part of the claimed design.

The dash-dot-dash broken lines indicate the boundaries of the enlarged detail view, and form no part of the claimed design.