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:
Assignee:
MAKITA CORP (JP)
International Classes:
B25D17/20
Foreign References:
JP2005193310A | 2005-07-21 | |||
JP2005305647A | 2005-11-04 | |||
JP2009000779A | 2009-01-08 | |||
JP2007268634A | 2007-10-18 | |||
JPS4860363A | 1973-08-24 | |||
JP2011218496A | 2011-11-04 | |||
JP2010058186A | 2010-03-18 |
Attorney, Agent or Firm:
IWATA Tetsuyuki et al. (JP)
Tetsuyuki Iwata (JP)
Tetsuyuki Iwata (JP)
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