Patent ID: 9308625
Filing Date: 2016-04-12
CPC Classification: B24D

Claim Text:
1. A knife sharpener comprising: a base, one end of which having a suction device and the other end thereof having a connecting hole, a receiving space formed in the base and a screw hole formed in the receiving space, and two parallel recessed potions are formed on an outer surface of the base and an opening communicating with the receiving space disposed between two recessed portions; a securing unit having a locking hole, a bolt passing through the locking hole to secure the securing unit at the screw hole of the base, and a restricting portion formed toward the direction of the locking hole; and two grinding blades crossly disposed at the restricting portion of the securing unit, and a sharp portion of the grinding blade passing through the connecting hole, so said two grinding blades protruding from the base to sharpen a knife between the two grinding blades, wherein the suction device has a suction, plate, a handle and a shaft, and a rod configured to plug at the opening is connected with a center portion of the suction plate, and the handle has two connection portions which is configured to dispose at said two recessed portions, and the shaft is used to simultaneously and pivotally connect the connecting portions and the rod, so that the handle is configured to drive the rod and suction plate to generate a suction effect.