Title:
A CLAMPING MECHANISM AND A POWER TOOL BEING CAPABLE OF CONNECTING AUXILIARY MEANS
Document Type and Number:
WIPO Patent Application WO/2009/003323
Kind Code:
A1
Abstract:
A clamping mechanism comprises a screw cover (3) and at least one fastening groove
(9a). At least one spring (4) locates in the inside of the screw cover (3). At least
one lug corresponding to the fastening groove (9a) locates on the interior periphery
of the screw cover (3). The lug(s) enters/enter into the fastening groove at the
first place and stays/stay at the second place after turned clockwise. Alternatively,
the lug(s) enters/enter into the fastening groove at the second place and stays/stay
at the first place after turned anti-clockwise. A power tool being capable of
connecting auxiliary means comprises a main body and auxiliary means. The main
body comprises a housing and a motor mounted in the housing. A drive shaft extends
through the frond end of the housing. At least one of the said fastening groove
is provided on the outer periphery of the front end. A screw cover is provided on
the connection end of the auxiliary means and the housing. The drive shaft extends
through the screw cover. The auxiliary means is connected to the main body by means
of the clamping mechanism.
Inventors:
GUO CANYAO (CN)
Application Number:
PCT/CN2007/002595
Publication Date:
January 08, 2009
Filing Date:
August 29, 2007
Export Citation:
Assignee:
TOP LINK POWER TOOLS FACTORY (CN)
GUO CANYAO (CN)
GUO CANYAO (CN)
International Classes:
B25F3/00
Foreign References:
| DE202006006340U1 | 2006-07-13 | |||
| CN2166927Y | 1994-06-01 | |||
| US6401837B1 | 2002-06-11 | |||
| US3724237A | 1973-04-03 | |||
| CN2823807Y | 2006-10-04 |
Attorney, Agent or Firm:
CHINA SINDA INTELLECTUAL PROPERTY LTD. (Focus Place19 Financial Street, Beijing 2, CN)
Download PDF: