(19)
(11) EP 2 343 160 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.03.2014 Bulletin 2014/13

(43) Date of publication A2:
13.07.2011 Bulletin 2011/28

(21) Application number: 11150267.0

(22) Date of filing: 05.01.2011
(51) International Patent Classification (IPC): 
B25F 5/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 07.01.2010 JP 2010002050

(71) Applicant: Makita Corporation
Anjo, Aichi 446-8502 (JP)

(72) Inventors:
  • Suzuki, Hitoshi
    Anjo, Aichi 446-8502 (JP)
  • Kasuya, Toshiyasu
    Anjo, Aichi 446-8502 (JP)
  • Umemura, Takuya
    Anjo, Aichi 446-8502 (JP)
  • Taga, Hideyuki
    Anjo, Aichi 446-8502 (JP)

(74) Representative: Kramer - Barske - Schmidtchen 
Landsberger Strasse 300
80687 München
80687 München (DE)

   


(54) Electric power tool


(57) An electric power tool (1) includes a tool portion (3A), a fuel cell (11A), a power drive source (3), and a water-holding unit (13). The water-holding unit (13) holds a reaction water produced in the fuel cell (11A) by oxidation reaction between a fuel and an oxidizing agent.







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