Patent ID: 9676226
Date: 2017-06-13
CPC Classifications: B43L

Claim:
1. A energy-storage pen implement sharpener, comprising: a base, comprising a first groove and a second groove, the first groove being provided for inserting a pen implement; a spiral knife assembly, disposed at the first groove; a rotating plate, disposed at the first groove and connected to the spiral knife assembly; an elastic device, disposed at the second groove; and a pressing block, one end thereof connecting to the rotating plate, another end thereof connecting to the elastic device, when the pressing block compresses the elastic device, the pressing block drives the rotating plate and the spiral knife assembly to rotate along a first rotating direction, when the elastic device extend to push the pressing block back, the pressing block drives the rotating plate and the spiral knife assembly to rotate along a second rotating direction, the spiral knife assembly is provided to sharpen the tip of the pen implement.