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EP 3 857 162 A1

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(43) Date of publication: 04.08.2021 Bulletin 2021/31 (21) Application number: 18935305.5 (22) Date of filing: 27.09.2018

(51) International Patent Classification (IPC):  G01B 3/10(2020.01) G01B 7/26(2006.01) G01B 7/02(2006.01) (86) International application number: PCT/CN2018/107845 (87) International publication number: WO 2020/061878 (02.04.2020 Gazette 2020/14)

(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: KH MA MD TN (71) Applicant: Techtronic Cordless GP Anderson, SC 29621 (US)	(72) Inventors: LOEBIG, Jeffrey, Carl Hong Kong (CN) CHAN, Kin Shing Hong Kong (CN) AN, Li Ling Dongguan City Guangdong 523945 (CN) HO, Man Kit Hong Kong (CN) ZENG, Si Chun Dongguan City Guangdong 523945 (CN) YIP, Tak On Hong Kong (CN) (74) Representative: BRP Renaud & Partner mbB Rechtsanwälte Patentanwälte Steuerberater  Königstraße 28 70173 Stuttgart 70173 Stuttgart (DE)