KNIFE SHARPENER
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United States of America Patent
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Issued Date -
Dec 22, 2016
app pub date -
Jun 22, 2015
filing date -
Jun 22, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A knife sharpener may include an attachment unit, a metallic shell, a sharpener unit and a cover. The attachment unit comprises a base having a pad-sucker controlled by an operating handle. An extending base is connected at one end of the base and a space comprising a recessed portion is formed therein. A notch is formed on a top of the extending base for penetration. The sharpener unit comprises two fixing blocks, and each fixing block has a receiving portion for disposing with a first sharpening blade and a second sharpening blade respectively. The sharpener unit can provide both rough grinding and fine grinding by the difference of materials and formations of the first sharpening blade and the second sharpening blade.
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