(19)

(11)

EP 3 973 105 A1

(12)

(43) Date of publication: 30.03.2022 Bulletin 2022/13 (21) Application number: 20731314.9 (22) Date of filing: 19.05.2020

(51) International Patent Classification (IPC):  E01H 5/04(2006.01) H01M 2/10(2006.01) E01H 5/09(2006.01) (52) Cooperative Patent Classification (CPC): E01H 5/045; E01H 5/098 (86) International application number: PCT/US2020/033553 (87) International publication number: WO 2020/236787 (26.11.2020 Gazette 2020/48)

(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 (30) Priority: 20.05.2019 US 201962850234 P (71) Applicant: Techtronic Cordless GP Anderson, SC 29621 (US)	(72) Inventors: O'BRIEN, William, J. Anderson, SC 29621 (US) TORRISI, Gregory, S. Anderson, SC 29621 (US) CHAPMAN, Seth, H. Anderson, SC 29621 (US) MCCALLUM, John, E. Anderson, SC 29621 (US) (74) Representative: Novagraaf Group  Chemin de l'Echo 3 1213 Onex 1213 Onex (CH)