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Patent Searching and Data


Title:
IMPACT TOOL
Document Type and Number:
WIPO Patent Application WO/2013/122108
Kind Code:
A1
Abstract:
[Problem] To provide an impact tool which is effectively configured so as to efficiently release heat generated in the impact tool. [Solution] An impact tool is provided with an outer-rotor brushless motor (20) which drives a tool bit (200), an electrical member (160) which controls the drive of the brushless motor (20), and a cooling fan (90) which is rotationally driven by the brushless motor (20) and which generates a cooling air flow for cooling both the brushless motor (20) and the electrical member (160).

Inventors:
MACHIDA YOSHITAKA (JP)
Application Number:
PCT/JP2013/053421
Publication Date:
August 22, 2013
Filing Date:
February 13, 2013
Export Citation:
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Assignee:
MAKITA CORP (JP)
International Classes:
B25D17/20
Foreign References:
JP2005193310A2005-07-21
JP2005305647A2005-11-04
JP2009000779A2009-01-08
JP2007268634A2007-10-18
JPS4860363A1973-08-24
JP2011218496A2011-11-04
JP2010058186A2010-03-18
Attorney, Agent or Firm:
IWATA Tetsuyuki et al. (JP)
Tetsuyuki Iwata (JP)
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Claims: