TRAIN CORRUGATED FLEXIBLE VESTIBULE GANGWAY Russian patent published in 2001 - IPC

FIELD: railway transport. SUBSTANCE: proposed gangway has envelope consisting of connected to form panels side sections, upper, lower and corner sections made of elastomer material, and end face frames. Sections of panels are provided with tops and valleys in longitudinal direction, thus forming corrugated profile. Envelope is enclosed by C-shaped hoops made of aluminium alloy into which parts of envelope panels are driven to form tops of corrugations. Ends of C- shaped hoops are upset to form hollow closed spaces inside which expanders are fitted. Expanders can be made, for instance, of rubber cord 13. EFFECT: provision of displacement of connected end faces, improved reliability and prevention of sagging. 2 cl, 7 dwg