Title:
A UNIDIRECTIONAL RATCHET WRENCH
Document Type and Number:
WIPO Patent Application WO/2008/128395
Kind Code:
A1
Abstract:
A unidirectional ratchet wrench in the field of hand tools includes a wrench body
(7), a ratchet (2), a pawl (6) and a magnetic mating block (3). Said magnetic mating
block is positioned in one side of the insertion groove (8) opposed to the pawl
(6) and rested against the side wall of the insertion groove (8). A spring (4) is
set between the magnetic mating block (3) and the pawl (6). One end of said spring
(4) is magnetically fixed to the magnetic mating block (3), and the other end is
fixed to the pawl (6) by linking. The unidirectional ratchet wrench avoids milling
holes in the mating block and the pawl, it is compact in construction andsimply
produced and assembled.
Inventors:
YANG CHUNWEI (CN)
Application Number:
PCT/CN2007/002812
Publication Date:
October 30, 2008
Filing Date:
September 24, 2007
Export Citation:
Assignee:
YANG CHUNWEI (CN)
International Classes:
B25B13/46
Foreign References:
| CN2765728Y | 2006-03-22 | |||
| TWI270443B | 2007-01-11 | |||
| CN2683326Y | 2005-03-09 | |||
| CN2569979Y | 2003-09-03 | |||
| CN2578050Y | 2003-10-08 | |||
| CN2430574Y | 2001-05-16 | |||
| US6164166A | 2000-12-26 |
Attorney, Agent or Firm:
ZHEJIANG HANGZHOU JINTONG PATENT AGENCY CO., LTD. (No. 47 Huancheng North Road,Hangzhou, Zhejiang 3, CN)
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