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(11)

EP 4 054 802 A1

(12)

(43) Date of publication: 14.09.2022 Bulletin 2022/37 (21) Application number: 19951571.9 (22) Date of filing: 06.11.2019

(51) International Patent Classification (IPC):  B25B 23/157(2006.01) F16H 3/62(2006.01) B25D 11/00(2006.01) (52) Cooperative Patent Classification (CPC): B25F 5/001; F16H 3/66; F16H 2200/0039; F16H 2200/2097 (86) International application number: PCT/CN2019/115840 (87) International publication number: WO 2021/087788 (14.05.2021 Gazette 2021/19)

(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: MA, Li Guo Dongguan, Guangdong 523071 (CN) ZHANG, Qing Feng Dongguan, Guangdong 523071 (CN) YANG, Jun Da Dongguan, Guangdong 523071 (CN) (74) Representative: Novagraaf Group  Chemin de l'Echo 3 1213 Onex 1213 Onex (CH)