(19)

(11)

EP 4 440 903 A1

(12)

(43) Date of publication: 09.10.2024 Bulletin 2024/41 (21) Application number: 22901923.7 (22) Date of filing: 05.12.2022

(51) International Patent Classification (IPC):  B61D 3/18(2006.01) B62D 63/08(2006.01) B65G 67/24(2006.01) B62D 53/06(2006.01) B65G 67/04(2006.01) G08G 1/0968(2006.01) (52) Cooperative Patent Classification (CPC): B62D 53/06; B62D 63/08; B61D 3/184; B61D 47/005; B65G 63/022 (86) International application number: PCT/SE2022/051141 (87) International publication number: WO 2023/101597 (08.06.2023 Gazette 2023/23)

(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: KH MA MD TN (30) Priority: 03.12.2021 SE 2130342 (71) Applicant: Alsten Teknik AB 16766 Bromma (SE)	(72) Inventor: HALLESIUS, Hanns 16766 Bromma (SE) (74) Representative: Thörnborg, Anders Uno  Trivium IP AB Kalendegatan 18 211 35 Malmö 211 35 Malmö (SE)