Title:
AUTOMATIC LEAD SHARPENER FOR PROPELLING PENCIL
Document Type and Number:
WIPO Patent Application WO/2009/146601
Kind Code:
A1
Abstract:
An automatic lead sharpener for propelling pencil, which is convenient to use and simple in structure, comprises a pencil guide hole (16) and a hob frame (5) provided with a hob (18) and a hob gear (19). Said hob gear meshes with an annular inner gear (3). Said hob frame is connected to an electric drive unit and a corresponding position switch.
Inventors:
QI HEZHI (CN)
Application Number:
PCT/CN2009/000613
Publication Date:
December 10, 2009
Filing Date:
June 01, 2009
Export Citation:
Assignee:
QI HEZHI (CN)
International Classes:
B43L23/02
Foreign References:
| CN101284475A | 2008-10-15 | |||
| CN2413922Y | 2001-01-10 | |||
| CN2084013U | 1991-09-04 | |||
| CN2281904Y | 1998-05-20 | |||
| US4961451A | 1990-10-09 | |||
| GB626744A | 1949-07-20 | |||
| JP2008105293A | 2008-05-08 |
Attorney, Agent or Firm:
DONGGUAN CITY ZHONGZHENG INTELLECTUAL PROPERTY OFFICE (Junda Busines CenterNo. 23 Dongchengdadao,Dongguan, Guangdong 0, CN)
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