(19)

(11)

EP 3 419 789 A1

(12)

(43) Date of publication: 02.01.2019 Bulletin 2019/01 (21) Application number: 17704723.0 (22) Date of filing: 09.02.2017

(51) International Patent Classification (IPC):  B25B 21/00(2006.01) B25B 23/147(2006.01) B25B 23/142(2006.01) (86) International application number: PCT/EP2017/052849 (87) International publication number: WO 2017/144281 (31.08.2017 Gazette 2017/35)

(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 Designated Validation States: MA MD (30) Priority: 26.02.2016 SE 1650255 (71) Applicant: Atlas Copco Industrial Technique AB 105 23 Stockholm (SE)	(72) Inventor: PERSSON, Erik, Vilhelm 169 74 Solna (SE) (74) Representative: Tholin, Thomas  Atlas Copco Industrial Technique AB Patent Department 105 23 Stockholm 105 23 Stockholm (SE)