A sharpening tool includes a main base (10) having a mounting seat (12) provided with a first receiving recess (121) and a second receiving recess (122), two first grinding blades (13) mounted in the first receiving recess, an attachment device (11) mounted on the main base, a grinding unit (20) mou
A sharpening tool includes a main base (10) having a mounting seat (12) provided with a first receiving recess (121) and a second receiving recess (122), two first grinding blades (13) mounted in the first receiving recess, an attachment device (11) mounted on the main base, a grinding unit (20) mounted on the mounting seat, and a cover (30) mounted on the mounting seat. The grinding unit includes a second grinding blade (21) mounted in the second receiving recess and having a grinding face (211), and a catch plate (23) mounted on the second receiving recess and having an abutting portion (231) facing the grinding face of the second grinding blade. The first grinding blades provide a double-side grinding function, and the second grinding blade provides a one-side grinding function.
대표청구항▼
1. A sharpening tool, comprising: a main base, one end of which having an attachment device and the other end of which having a mounting seat, the mounting seat having a first receiving recess and a second receiving recess, and two first grinding blades intersecting each other disposed in the first
1. A sharpening tool, comprising: a main base, one end of which having an attachment device and the other end of which having a mounting seat, the mounting seat having a first receiving recess and a second receiving recess, and two first grinding blades intersecting each other disposed in the first receiving recess of the mounting seat;a grinding unit disposed in the second receiving recess, including a second grinding blade, a limit piece and a catch plate, wherein the second grinding blade is restricted and secured at the second receiving recess by the limit piece, the grinding surface of the second grinding blade protrudes out from the second receiving recess, and the catch plate, which has an abutting portion extending toward the grinding surface, covers the second receiving recess, anda cover mounted on the mounting seat of the main base to secure the grinding unit and the first grinding blades, the first grinding blades protruding out from an exposing slot of the cover,wherein the grinding surface of the second grinding blade and the abutting portion of the catch plate are arranged at an oblique opening of the mounting seat to increase efficiency of the sharpening tool. 2. The sharpening tool of claim 1, wherein the attachment device includes a sucker, a pull lever, an elastic member and a control handle, the pull lever passing through the main base to connect with the sucker on one end and the pull lever on the other end, the elastic member biased between the sucker and main base, so when the pull lever is driven by the control handle, the sucker is configured to contract toward the main base to secure the sharpening tool to a surface. 3. The sharpening tool of claim 1, wherein the catch plate of the grinding unit is made by metallic material and is adapted for abutting a blade of a cutting tool to prevent the blade of the cutting tool from directly touching the cover and to prevent wear of the cover. 4. The sharpening tool of claim 1, wherein the grinding face of the second grinding blade is exposed outward from the oblique opening of the mounting seat; and the abutting portion of the catch plate is exposed outward from the oblique opening of the mounting seat. 5. The sharpening tool of claim 1, wherein the second grinding blade of the grinding unit is disposed in the second receiving recess of the mounting seat in an inclined manner.
Cozzini Ivo (Lincolnwood IL) Bowers George T. (Evanston IL) Rohrbaugh Alvin G. (Ft. Wayne IN), Cutting edge straightening, aligning and sharpening device.
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