(19)

(11)

EP 3 661 828 A1

(12)

(43) Date of publication: 10.06.2020 Bulletin 2020/24 (21) Application number: 18840358.8 (22) Date of filing: 06.08.2018

(51) International Patent Classification (IPC):  B61L 3/08(2006.01) B61L 3/16(2006.01) B61L 23/30(2006.01) B61L 1/20(2006.01) B61L 19/06(2006.01) (86) International application number: PCT/US2018/045388 (87) International publication number: WO 2019/028460 (07.02.2019 Gazette 2019/06)

(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 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 (30) Priority: 04.08.2017 US 201762541454 P (71) Applicant: Metrom Rail, LLC Crystal Lake, Illinois 60014 (US)	(72) Inventor: CARLSON, Richard C. Village of Lakewood, Illinois 60014 (US) (74) Representative: Schollweck, Susanne  ZSP Patentanwälte PartG mbB Hansastraße 32 80686 München 80686 München (DE)