Title:
A DRILLING ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2006/029574
Kind Code:
A1
Abstract:
The present invention discloses a drilling electric tool. The electric tool includes a front housing (2), a output shaft (14) running through the front housing, a active cam (10) fixedly connected with the shaft, a fixing cam (8) connected with the front housing, a support member (19), a first return member (9) provided between the support member and the cam (10), and a ring (11) connected with the inner chamber of the front housing. Moreover, said shaft runs through the ring and a bearing bush (13), and a second return member (12) is provided between the ring and the bush. Ring teeth (112) are provided in the place in which the ring faces toward the bush. Furthermore, bush teeth (131) corresponding to the ring teeth are provided in the place in which the bush faces toward the ring. The drilling electric tool will turn to-an impact working mode when the bush teeth are engaged with the ring teeth. Therefore, the drilling electric tool may choose a working mode rapidly and easily by only rotating an adjusting sleeve.
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Inventors:
LI CHENGDAO (CN)
SUN GEN (CN)
SUN GEN (CN)
Application Number:
PCT/CN2005/001480
Publication Date:
March 23, 2006
Filing Date:
September 16, 2005
Export Citation:
Assignee:
POSITEC POWER TOOLS SUZHOU CO (CN)
LI CHENGDAO (CN)
SUN GEN (CN)
LI CHENGDAO (CN)
SUN GEN (CN)
International Classes:
B25D11/00; B25F5/00; (IPC1-7): B25D11/00; B25F5/00
Foreign References:
| CN2613331Y | 2004-04-28 | |||
| DE20007588U1 | 2000-07-27 | |||
| US5711380A | 1998-01-27 | |||
| CN1483541A | 2004-03-24 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT & TRADEMARK AGENCY LTD. (No. 979 Renmin Road Suzhou, Jiangsu 2, CN)
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