|4819565||Tubular joint formed by two rolling membranes under low pressurization for intercommunication ring|
A tubular joint for connecting an intercommunication tunnel forming a passage compartment placed between two successive railroad on road vehicles or two successive members of access gangways to ships or to planes, said tubular joint being fitted on one ha...
|4727814||Interchangeable driveable leading or trailing railway car|
An inseparable railroad train unit comprises three cars and is adapted for use selectively as a self propelled unit and as an after-coupled unit in a passenger train of the through-passage type. At least the front end of the train unit has a central windo...
|4452163||Articulated coach coupling means|
An arrangement consisting of coupling elements allowing both pitch and yaw pivotal motion between two coupled modules or coaches, is disclosed. A transverse rod located at the end portion of one module is rigidly secured to a pair of arms and is supported...