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EP 4 146 033 A1

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(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 21800240.0 (22) Date of filing: 07.05.2021

(51) International Patent Classification (IPC):  A42B 3/20(2006.01) A42B 3/22(2006.01) A42B 3/06(2006.01) (52) Cooperative Patent Classification (CPC): A42B 3/225 (86) International application number: PCT/US2021/031300 (87) International publication number: WO 2021/226459 (11.11.2021 Gazette 2021/45)

(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: 08.05.2020 US 202063022259 P 15.05.2020 US 202063025625 P (71) Applicant: Milwaukee Electric Tool Corporation Brookfield, WI 53005 (US)

(72) Inventors: HOPPE, Christopher S. Cedarburg, Wisconsin 53012 (US) ZEILINGER, Todd Andrew Wauwatosa, Wisconsin 53213 (US) GOULD, Samuel A. West Allis, Wisconsin 53214 (US) JONES, Benjamin T. Francis, Wisconsin 53235 (US) SUMMERSETT, Nicole Z. Milwaukee, Wisconsin 53202 (US) WILLIAMS, Aaron M. Milwuakee, Wisconsin 53202 (US) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham, West Midlands B16 8QQ Birmingham, West Midlands B16 8QQ (GB)