Patent ID: 6945176

Claim:
An intercommunicating passageway between double-decker articulated railway coaches, comprising in combination: A wheel frame at an area between two successive coaches, and having a lowered center section transverse to a length direction of the coaches, and a pair of wheels supported by and connected through separate bearings without a common shaft to said wheel frame, said wheels having a large rolling diameter for high speed and load bearing capacity, Said coaches having a lower passenger room with an inner height and a first floor at a first lower level between pairs of wheels at the ends of the coaches, an upper passenger room with an inner height and a second floor at a higher level, on top of said lower passenger room, and a height portion between the upper limit of a standard kinematic gauge and said wheels smaller than the sum of said inner heights, In said passageway a first bridge extending between the two successive coaches, the first bridge being at a second lower level which is above the first floors of the coaches connected, a second bridge extending between said two successive coaches, the second bridge being substantially in the same higher level with the second floors of the coaches connected, and said first lower levels of the first floors and second lower levels of the first bridges are down from the highest peripheral point of said wheels.