Abstract: A portable sharpener for sharpening a blade, which has at least one cutting edge, has an elongated body with a guiding channel where the blade can be inserted therethrough and guide the sharpener along the blade side walls during sharpening. The elongated body has a chamber dimensioned to house and hold an elongated abrasive member. A portion of the abrasive member is exposed through the channel to enable the blade edge to engage the abrasive member. The chamber also has a space to capture the blade filings or fragments. A movable guide having another channel is pivotally secured to the body such that the guide can pivot relative to the body.

Abstract: A portable sharpener for blades having a main portion with at least one cutting edge and at least one end portion having at least one straight or slightly curved cutting edge, the sharpener comprising a housing for a selectively positionable abrasive file having at least one abrasive surface; a first guide to guide the blade against the abrasive surface; a housing for recovering the blade filing; and a removable crutch mounted on the body and provided with a second abrasive file and with a second guide for the blade, the crutch allowing the end portions of the blade to be sharpened.