Abstract: A railroad freight car having a rotatable loading floor for transferring loads between it and a station platform. The railroad station has two platforms on opposite sides of the rail car. An edge of each platform is provided at each longitudinal end with a sloping beam which angles upwardly from the end of the platform towards its center. The lowest part of the beam, which is at the free end of the platform, is below a set of wheels carried on the chassis of the rail car. The center portion of the platform is at a height above that of these rollers. The rollers are arranged to extend laterally of the rail car and to overlie the beams. As the rail car pulls into the station, the rollers will engage the upwardly sloping part of the beams to thereby raise the chassis in relation to its wheels by virtue of extending the suspension as the car continues in its direction of movement.

Abstract: A railroad flat car having a rotatable loading floor for transferring loads between it and a platform. A sleeve is provided in the rotatable loading floor which slidably receives a beam coupled to the chassis. The beam is extended into the sleeve to secure the loading floor in its stowed position during travel. The beam abuts against a steel plate in the sleeve to provide a solid buffer against horizontal motion of the rotatable loading floor along its longitudinal axis, the beam and sleeve also stiffen the rail car to minimize sagging under heavy loads. The end of the loading floor has a pinion gear which meshes with a toothed rack on the chassis. A motor turns the pinion gear to swing the rotatable loading floor into position.

Abstract: A rail car comprises a movable loading floor for use with a pair of platforms of substantially equal height, the platforms being located on respective opposite longitudinal sides of the rail cars for loading and unloading of trailers, motor vans, passenger cars, etc. The rail car has a recessed chassis bottom between the wheeled support trucks thereof, on which is supported the movable loaded floor for carrying and shipping a trailer. The rotatable loading floor is rotatable from a first position in which the longitudinal axis of the rotatable loading floor coincides with the longitudinal axis of the rail car, to a second position in which the longitudinal axis of the rotatable floor is at a given angle relative to the longitudinal axis of the rail car and in which the ends of the rotatable loading floor overlie respective platforms on opposite sides of the rail car.