| 摘要 |
A rail bogie is provided with a truck having a platform and railroad wheels beneath it for riding on railroad tracks; a first fifth wheel being mounted on the platform. A draw-bar, also mounted on the platform, includes a vertical leg and a horizontal foot on which are provided a lift plate, a further fifth wheel on the lift plate and a lift mechanism capable of moving the lift plate vertically relative to a connection block located at the upper end of the leg. The bogie is for use in combination with a road vehicle provided, at its rear end, with a hooking block in contact with the vertical leg of the draw-bar; the hooking block being formed with a socket into which is received the connection block of the rail bogie for vertical displacement when the lift plate is moved by the aforesaid lift mechanism. Projecting from the lower end of the hooking block is a coupling king pin lockingly engaged in the fifth wheel of the lift plate.
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