(19)

(11)

EP 4 514 673 A1

(12)

(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 22725209.5 (22) Date of filing: 23.04.2022

(51) International Patent Classification (IPC):  B61L 23/04(2006.01) B61L 1/18(2006.01) (52) Cooperative Patent Classification (CPC): B61L 23/042; B61L 1/18 (86) International application number: PCT/EP2022/060789 (87) International publication number: WO 2023/202786 (26.10.2023 Gazette 2023/43)

(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: Martin Schienentechnik KG 2362 Biedermannsdorf (AT)	(72) Inventors: MARTIN, Michael 2362 Biedermannsdorf (AT) BARESIC-FRANJIC, Ivan 2362 Biedermannsdorf (AT) (74) Representative: Schneider, Michael  Tailorpatent Schulweg 8/3/8 2340 Mödling 2340 Mödling (AT)