Title:
CRAYON SHARPENER
Document Type and Number:
WIPO Patent Application WO/2010/147315
Kind Code:
A2
Abstract:
The present invention relates to a crayon sharpener, comprising: a body having a lower case formed with a gear hole in which a spiral-shaped gear is formed, and an upper case coupled in a downward-movable fashion to the upper surface of the lower case; and a cutter having a crayon-insertion part rotatably coupled to the upper surface of the upper case, a blade part which is provided below the insertion part and sharpens crayons, and a gear shaft which engages in the gear hole and rotates at the same time as descending and makes the blade part rotate.
Inventors:
KWON O JUNG (KR)
Application Number:
PCT/KR2010/003472
Publication Date:
December 23, 2010
Filing Date:
May 31, 2010
Export Citation:
Assignee:
KWON O JUNG (KR)
International Classes:
B43L23/08; B43L23/00
Foreign References:
| US20050138819A1 | 2005-06-30 | |||
| US20080120848A1 | 2008-05-29 | |||
| US20050044730A1 | 2005-03-03 | |||
| US7472728B1 | 2009-01-06 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
특허법인 태평양 (KR)
특허법인 태평양 (KR)
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