| 主权项 |
1. A knife sharpener comprising:
an attachment unit having a base with a pad-sucker controlled by an operating handle, said pad-sucker operated by a stem penetrating a hole located at a central portion of the base and pivotally connecting with the operating handle which is moved in a groove located on the base; the operating handle eccentrically disposed against the base to pull out the pad-sucker to generate a vacuum suction force, wherein a spring is formed between the base and the pad-sucker; an extending base is connected at one end of the base; a space comprising a recessed portion is formed inside the extending base; and a notch formed on a top of the extending base for penetration; a sharpener unit comprising two fixing blocks, wherein each fixing block has a receiving portion for receiving a first sharpening blade and a second sharpening blade respectively, and the first sharpening blade and the second sharpening blade are disposed in a V-shaped manner and extending from sharpening slots, wherein said sharpener unit is configured to provide both rough grinding and fine grinding through difference materials used in the first sharpening blade and the second sharpening blade; and a curved metallic shell with a plurality of curved opening aligned with the sharpening slots is disposed into the space of the extending base before the sharpener unit to cover the space and protect the sharpener unit; and a cover having a connecting rod thereon to connect with the recessed portion of the extending base to secure the cover on a bottom of the extending base, and a bottom of the space is closed to provide a support for the sharpener unit. |
