Patent ID: 9731395
Date: 2017-08-15
CPC Classifications: B24B

Claim:
1. A sharpener for sharpening a cutting tool having a blade portion with a cutting edge affixed to a user handle, the sharpener comprising: first and second rollers, the first roller rotatable about a first roller axis, the second roller rotatable about a second roller axis parallel to the first roller axis; an endless abrasive belt arranged along a belt path that passes over the first and second rollers to define a planar segment that lies along a neutral plane from the first roller to the second roller; and a guide assembly adjacent the planar segment of the belt configured to contactingly engage the cutting edge of the cutting tool and apply a non-uniform surface pressure to a side of the cutting tool adjacent the cutting edge across a width of the belt so that a greater amount of surface pressure is applied by a portion of the belt adjacent a proximal end of the blade portion adjacent the user handle of the cutting tool and a lesser amount of surface pressure is applied by a portion of the belt adjacent a distal end of the blade portion opposite the user handle.