CAR VESTIBULE PLATFORM Russian patent published in 2010 - IPC B61D17/20 

FIELD: transport.

SUBSTANCE: invention relates to railroad transport. Proposed vestibule platform comprises fixed walkway (1) on car body, moving walkway (2) on coupler frame (3) flexible frame with one end attached to car body and another end secured to coupler frame (3). Coupler frame (3) is connected with car body dampers (6) by connecting beams, asymmetric about vertical axis. Vertical posts of coupler frame (3) represent equal-size dihedral angles oriented in opposite directions and having their ribs parallel with vertical axis of coupler frame (3). Top horizontal crosspiece of coupler frame (3) is asymmetric about said coupler frame vertical axis and comprises concave section, running along entire length of said crosspiece. Part of said concave section accommodates horizontal convex section on the side of convex section vertical post. Concave section, at crosspiece center, is coupled with convex section by rib. Springs of dampers (6) of adjoining cars coupler frames form a rigid joint. Coupler frame (3) can rotate in horizontal and vertical planes.

EFFECT: higher reliability.

6 cl, 7 dwg