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(11)

EP 4 816 646 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24752472.1 (22) Date of filing: 08.07.2024

(51) International Patent Classification (IPC):  E05B 81/06(2014.01) E05B 81/34(2014.01) E05B 81/90(2014.01) E05B 81/14(2014.01) E05B 77/36(2014.01) E05B 85/02(2014.01) (52) Cooperative Patent Classification (CPC): E05B 81/14; E05B 81/06; E05B 81/34; E05B 81/90; E05B 85/02; E05B 77/36 (86) International application number: PCT/IB2024/056610 (87) International publication number: WO 2025/027424 (06.02.2025 Gazette 2025/06)

(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: 02.08.2023 US 202318363938 (71) Applicant: Kiekert Aktiengesellschaft 42579 Heiligenhaus (DE)	(72) Inventors: HUNT, Robert J. Davisburg, Michigan 48350 (US) BROWN, Scott Livonia, Michigan 34109 (US) (74) Representative: Kiekert AG Patentabteilung  Höseler Platz 2 42579 Heiligenhaus 42579 Heiligenhaus (DE)