Title:
ELECTRIC TOOL
Document Type and Number:
Japanese Patent JP2015174201
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electric tool that can cool preferably a controller and also a terminal table of a battery.SOLUTION: A grinder 1, in which a brushless motor 6 and a controller 74 for controlling driving of the brushless motor 6 are stored in a main body housing 2 and a battery pack 5 as power supply is installed in the main body housing 2, is configured to suck in ambient air from a suction port 87 provided in the main body housing 2 and pass the brushless motor 6 therethrough by rotation of a centrifugal fan 30 provided in a rotating shaft 26 of the brushless motor 6. The controller 74 is arranged adjacently to a terminal table 69 that is provided at a battery installation portion 4 in the main body housing 2 and electrically connected to the battery pack 5, and the suction port 87 is provided between the controller 74 and the terminal table 69.
Inventors:
KAWAKAMI TAKAHIRO
NAKAHAMA MASATOSHI
NAKAHAMA MASATOSHI
Application Number:
JP2014053927A
Publication Date:
October 05, 2015
Filing Date:
March 17, 2014
Export Citation:
Assignee:
MAKITA CORP
International Classes:
B25F5/00; H01M2/10; H01M10/6235; H01M10/6563; H01M10/6566
Domestic Patent References:
| JP2014124728A | 2014-07-07 | |||
| JP2002270066A | 2002-09-20 | |||
| JP2013226617A | 2013-11-07 | |||
| JP2013107171A | 2013-06-06 | |||
| JP2000317904A | 2000-11-21 | |||
| JPH04128184U | 1992-11-24 | |||
| JPS5524748U | 1980-02-18 |
Foreign References:
| US6120362A | 2000-09-19 |
Attorney, Agent or Firm:
Yoshiki Ishida
Kyoichi Ueda
Kyoichi Ueda