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Patent Searching and Data


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 (Room 201, Unit EastBuilding No. 122,Chonghua Residential Quarter,Chengxiang Town, Xiaoshan Distric, Hangzhou Zhejiang 0, 310000, CN)
Application Number:
CN2007/002812
Publication Date:
October 30, 2008
Filing Date:
September 24, 2007
Export Citation:
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Assignee:
YANG, Chunwei (Room 201, Unit EastBuilding No. 122,Chonghua Residential Quarter,Chengxiang Town, Xiaoshan Distric, Hangzhou Zhejiang 0, 310000, CN)
International Classes:
B25B13/46
Foreign References:
CN2765728Y
TWI270443B
CN2683326Y
CN2569979Y
CN2578050Y
CN2430574Y
US6164166A
Attorney, Agent or Firm:
ZHEJIANG HANGZHOU JINTONG PATENT AGENCY CO., LTD. (19F Kexie Building, No. 47 Huancheng North Road,Hangzhou, Zhejiang 3, 310003, CN)
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