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EP 2 601 017 A1

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(43) Date of publication: 12.06.2013 Bulletin 2013/24 (21) Application number: 10852682.3 (22) Date of filing: 09.06.2010

(51) International Patent Classification (IPC):  B25D 11/06(2006.01) B23B 45/16(2006.01) (86) International application number: PCT/CN2010/073704 (87) International publication number: WO 2011/153689 (15.12.2011 Gazette 2011/50)

(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 SE SI SK SM TR (71) Applicant: Bosch Power Tools (China) Co., Ltd. Zhejiang 310052 (CN)	(72) Inventors: CHEN, Tie Zhejiang 310052 (CN) CHAI, Haihua Zhejiang 310052 (CN) LI, Yi Zhejiang 310012 (CN) (74) Representative: Daub, Thomas  Patent- und Rechtsanwaltskanzlei Daub Bahnhofstr. 5 88662 Überlingen 88662 Überlingen (DE)