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EP 4 816 645 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24740032.8 (22) Date of filing: 19.06.2024

(51) International Patent Classification (IPC):  E05B 81/06(2014.01) E05B 81/34(2014.01) E05B 81/42(2014.01) E05B 85/02(2014.01) E05B 81/14(2014.01) E05B 81/30(2014.01) E05B 81/50(2014.01) (52) Cooperative Patent Classification (CPC): E05B 81/14; E05B 81/06; E05B 81/30; E05B 81/50; E05B 81/34; E05B 81/42; E05B 85/02 (86) International application number: PCT/CN2024/100181 (87) International publication number: WO 2024/260377 (26.12.2024 Gazette 2024/52)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 20.06.2023 CN 202321586078 U (71) Applicant: Kiekert Aktiengesellschaft 42579 Heiligenhaus (DE)	(72) Inventors: HE, Pingchun Suzhou, Jiangsu 215007 (CN) YANG, Yang Suzhou, Jiangsu 215006 (CN) (74) Representative: Kiekert AG Patentabteilung  Höseler Platz 2 42579 Heiligenhaus 42579 Heiligenhaus (DE)