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Title:
BATTERY PACK AND POWER TOOL EQUIPPED WITH THE SAME
Document Type and Number:
Japanese Patent JP2013077574
Kind Code:
A
Abstract:

To provide a battery pack and a power tool capable of securing waterproofness and dust resistance by inhibiting dust and moisture from entering a battery pack.

A battery pack includes: a case body 10 composed of an upper case part 22 and a lower case part 21; battery cells 31, 32, 33 housed in the case body 10; and a plurality of electrode terminals 50A, 50B electrically connected to the battery cells. In the upper case part 10, a plurality of openings 211A, 211B exposing the electrode terminals are formed in positions corresponding to the plurality of electrode terminals and a member 80 is provided which inhibits foreign matter from being intruded into the case body 10 from the openings 211A, 211B.


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Inventors:
HANAWA HIROYUKI
FUJISAWA HARUHISA
SAITO KEITA
Application Number:
JP2012279487A
Publication Date:
April 25, 2013
Filing Date:
December 21, 2012
Export Citation:
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Assignee:
HITACHI KOKI KK
International Classes:
H01M2/10
Domestic Patent References:
JP2005116224A2005-04-28
JP2003036915A2003-02-07
JP2000061868A2000-02-29
JP2005150079A2005-06-09
JP2008066141A2008-03-21
JPH1069893A1998-03-10
JP2001143678A2001-05-25
JP2005116224A2005-04-28
JP2003036915A2003-02-07
JP2000061868A2000-02-29
JP2005150079A2005-06-09
JP2008066141A2008-03-21



 
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