Abstract: In one embodiment, a safety trailer has semi-tractor hitches at both ends and a safety wall that is fixed to one side of the trailer. That side, however, can be changed to the right or left side of the road, depending on the end to which the truck attaches. A caboose can be attached at the end of the trailer opposite the tractor to provide additional lighting and impact protection. Optionally, the trailer can be equipped with overhead protection, lighting, ventilation, onboard hydraulics, compressors, generators and other equipment, as well as related fuel, water, storage and restroom facilities and other amenities.

Abstract: A system for automatic positioning of a railway overhead line comprising: a mechanical arm (12); a first hooking device (31) that can be fixed to the end of the mechanical arm (12); a mast (40) for positioning an overhead line; a second fixed hooking device (41), which is fixed to the mast (40) and can be fixed to the first hooking device (31); the mast (40) comprising at least one horizontal arm (52), set on which is a set of rollers (53), with roller head, for correct positioning of an overhead line.

Abstract: A modular shipping container apparatus having a base with two support portions each of having two substantially open top rectangular shaped spaces each having a bottom side, a left side and a right side and at least one set of base holes; at least one wheel assembly between the two substantially open top rectangular shaped spaces, the at least one wheel assembly having a substantially open bottom rectangular piece with at least one set of wheel assembly holes and at least one wheel with a center opening, the wheel assembly is retained between the two substantially open top rectangular shaped spaces by at least one bar through the at least one set of base holes, the at least one set of wheel assembly holes and the wheels; at least two tracks attached to the bottom interior of a shipping container for slidably receiving the at least one wheel assemblies.

Abstract: Assembly for giving access to at least one wheelchair (1) comprising a frame (2) supported by wheels (5, 7) and provided with a seat (3), the assembly comprising a docking station (100) having a structure (201) delimiting at least one docking point designed to receive the chair such that, when the chair is in the docking point, the chair rests on its wheels and the seat of the chair is disposed so as to be usable by a user who wishes to sit down.

Abstract: The invention described herein provides methods, systems and apparatuses for loading and unloading freight from railcars and methods for intermodal transportation of freight on railcars. The freight may be a shipping container or a semi-trailer. The system for loading and unloading freight on railcars includes a sled capable of moving laterally between a loading location and a railcar.

Abstract: A system including devices and methods for transporting or storing materials uses slidable containers, or modules. The modules have recessed wheels that facilitate sliding movement when placed on tracks. The use of tracks allows for precise placement of the modules in close proximity to each other and the walls of a vessel or facility they are placed in. The modules may be disassembled for easy, compact storage or transport. The modules may be used with a lift platform adapted to accommodate the modules and tracks or rails for engaging the recessed wheels. By using closely aligned tracks, the transport module may be used to maximize efficient use of space when transporting cargo.

Abstract: The present invention provides a wheelchair transfer handrail for use in connection with a wheelchair and a door striker on a vehicle pillar. The invention includes a clamp assembly connected to the wheelchair, and a handrail tube extending from the clamp assembly to the door striker.

Abstract: In one embodiment, a safety trailer has semi-tractor hitches at both ends and a safety wall that is fixed to one side of the trailer. That side, however, can be changed to the right or left side of the road, depending on the end to which the truck attaches. A caboose can be attached at the end of the trailer opposite the tractor to provide additional lighting and impact protection. Optionally, the trailer can be equipped with overhead protection, lighting, ventilation, onboard hydraulics, compressors, generators and other equipment, as well as related fuel, water, storage and restroom facilities and other amenities.

Abstract: A rail gear system and a method for placing a truck on railroad tracks are provided in which the truck can be placed into the set of railroad tracks using a short siding. The rail gear may be mounted on a back portion of the truck and may rotate so that the a rear portion of the truck rotates about the track when the rail gear is engaged with the set of railroad tracks.

Abstract: A cargo container system, comprising: a base; at least four end frame supports attached substantially perpendicular to the base and having a substantially closed square portion with four sides and having outer extensions extending from two of the four sides and an additional support extending from the junction of the remaining two of the four sides of the substantially closed square portion, the additional support having two substantially L-shaped portions that are substantially parallel to the outer extensions and each of the at least four end frame supports having a corner support that is substantially parallel to the junction; at least three panels having two S-shaped ends, with at least one S-shaped end interposed between one of the two substantially L-Shaped portions; at least three rectangular frames removably attached to a corner support; a top; at least one door attached to one of the outer extensions.

Abstract: The dual trailer system adapted to be towed by a pick-up truck having a fifth wheel on a bed thereof, the dual trailer system comprising: a lead trailer having a wheeled frame with a gooseneck-mounted kingpin at a front end thereof, for coupling to the fifth wheel of the pick-up truck, and a lead trailer fifth wheel at the rear of the lead trailer; a tail trailer having a wheeled frame with a tail trailer kingpin at a front end thereof, the primary trailer hitch having a kingpin matching the lead trailer fifth wheel for attachment thereto. The lead trailer can have an extendible portion at the rear to allow selectively extending and retracting the fifth wheel for use together with or independently from the tail trailer, and the tail trailer can also be usable independently from the lead trailer such as by way of an additional coupler which can also be provided on an extendible frame.

Abstract: An anchoring device in a helicopter deck, where a housing that is provided with an open top and lowered into the helicopter deck, contains a fastener which is vertically displaceable between a withdrawn, inactive position and an active position where an upper fastener portion extends at least partly up from the helicopter deck. The upper fastener portion is arranged to be detachably connected to an anchoring means. The housing is provided with a detachable lid arranged to be able to close tightly against the housing.

Abstract: An intermodal transportation system having interconnected railcars adapted for transporting interconnected freight trailers where the freight trailers remain connected while being transported on the railcars. Individual trailers are assembled into trailer assemblies at an assembly area. Trailers containing freight are assembled into trailer assembles using specialized dollies. A preferred embodiment includes using a self-powered dolly having tires and mounting a fifth-wheel pickup plate and a ring coupler for engaging the kingpin of a trailer. Multiple dolly-trailer assemblies are connected together to form a trailer assembly. A self-powered movable ramp is positioned at an end of the railcar assembly and a tractor pulls the trailer assembly onto a railcar assembly by driving up a self-powered movable ramp and across the top of the railcars.

Abstract: An articulating camera transport apparatus and corresponding methods involving an articulating camera truck for accommodating a camera element and for engaging a set of camera dolly tracks, the tracks having a curvature, the truck including a carrier and an undercarriage, the undercarriage having a plurality of articulating wheels and a structure for gimbaling the plurality of articulating wheels for accommodating the curvature and for facilitating a smooth passage of the truck along the tracks.

Abstract: An articulating camera transport apparatus and corresponding methods involving an articulating camera truck for accommodating a camera element and for engaging a set of camera dolly tracks, the tracks having a curvature, the truck including a carrier and an undercarriage, the undercarriage having a plurality of articulating wheels and a structure for gimbaling the plurality of articulating wheels for accommodating the curvature and for facilitating a smooth passage of the truck along the tracks.

Abstract: An articulating camera transport apparatus and corresponding methods involving an articulating camera truck for accommodating a camera element and for engaging a set of camera dolly tracks, the tracks having a curvature, the truck including a carrier and an undercarriage, the undercarriage having a plurality of articulating wheels and a structure for gimbaling the plurality of articulating wheels for accommodating the curvature and for facilitating a smooth passage of the truck along the tracks. The gimbaling structure has a gimbaling mechanism which includes a rocker arm.

Abstract: This invention is a rail grade load/unload rail carrier with primary vertical load bearing sub-assemblies positioned above the carrier body floor. Carrier body sub-assemblies are vertical columns with stay cables attached to rail carrier bar joist sides. The design features carrier body floor elevation slightly above rail grade, and detachable rail wheel bogies outside the carrier body, to enable motor vehicle rail grade loading/unloading. Rail wheel bogie variants may be used for rail gage adaptation. Further, loaded motor vehicles provide rail carrier motive power; drive wheels protruding downward through carrier floor apertures to bear on rail flanking traction strips. Traction strips connect to a vehicle staging platform which has; integral rails, rail line connection, and highway access. Autonomous motor vehicle carrier translation along rails and across the staging area, negates need for conventional rail terminal handling facilities.

Abstract: An electrically powered vehicle transportation system utilizes a guideway with parallel enclosed rails. Each enclosed rail has an electrical bus bar for supplying power to vehicles on the guideway. The guideway will accommodate dual-mode vehicles that are capable of usage on conventional streets as well as on the guideway. The guideway also accommodates conventional vehicles and ferries that operate only on the guideway. The dual-mode vehicle has a body with axles that are extensible. The axles move from a retracted position, with the wheels recessed within the wheel wells, to an extended position. In the extended position, the wheels locate within the enclosed rails. Conventional vehicles and freight are carried on ferries that move along the guideways.

Abstract: A freight vehicle adapted to be convertible from highway to railway use and vice versa including a trailer having multiple railway wheels and highway wheels pivotally connected to the underside of the trailer and with the wheels being extendible for operational use and retractable for storage and multiple indentations formed in the roof of the vehicle for receiving the retracted highway wheels of a trailer stacked thereabove.

Abstract: This invention is a transportation system and method of transport the provides a way for transport of vehicles in which the vehicles are loaded onto self-propelled pallets that are coupled to self-propelled apparatus that is in turn coupled to a fixed and predetermined guide.

Abstract: A rail transport unit for carrying a load consisting of a road vehicle includes a support structure having two longitudinal ends. Each end is connected to an axle block or bogie by a composite interface, and at least one of the ends is free and defines an access opening for the load.

Abstract: A retractable intermodal vehicle (10) for supporting and connecting modified semitrailers (11) end-to-end to form a train of trailers capable of being operated on a railroad track (172); the semitrailers also able to be operated on a highway as regular semitrailers. In the preferred embodiment, the intermodal vehicle (10) is comprised of two lower frames (12), with a wheel/axle assembly (18) mounted to each, and each pivoted from and supporting a single upper frame assembly (14), the pivoting of these lower frames providing a limited steering of the rail axles relative to the upper frame. Inflatable air springs (22) are mounted between the lower frames (12) and upper frames (14) to allow each upper frame to be raised and lowered.

Abstract: An intermodal vehicle for both highway and railway use. A bogie is rigidly and releasably connected to a trailer for supporting the trailer for transportation over a railway. The trailer has a retractable roadway tire assembly for extending and retracting roadway wheels on the underside on the trailer. When roadway wheels are extended, the trailer lifts the bogie off the ground for transporting the bogie to and from railway tracks. When roadway tires are retracted, the bogie supports the trailer for transportation over a railway.

Abstract: A ramp car for use in an intermodal train includes a ramp having a set of rail wheels mounted at one end and a connector at the one end for coupling the ramp car to a flat bed rail car. A second connector, including lifting apparatus, is operatively associated with a second end of the ramp car opposite the one end for coupling the ramp car to a locomotive. A coupling apparatus is provided at the second end of the ramp car for coupling to the locomotive to permit both raising and lowering the second end and pushing and pulling the ramp car. The second connector is disconnected from the ramp car when the ramp is in a lowered position. The second connector includes a rotatable pin mounted to the locomotive and extending vertically downward and having a pair of circumferentially spaced shoulders for bearing upwardly against a supporting surface on the ramp car to hold the ramp in a raised position. The pin is rotated to lock the ramp car to the rail car.

Abstract: A railroad bogie is disclosed. Such railroad bogie has a bogie body with a horizonal frame with front and rear ends and elongated sides therebetween. The bogie body also has an upstanding front plate and rear plate and side plates therebetween with lower ends secured to the frame to define an open top. A pair of front railroad wheels are provided as well as a pair of rear railroad wheels. The bogie has a pair of front support arms and a pair of rear support arms, the front and rear support arms being pivotally secured to the frame adjacent to the front and rear ends respectively for rotatable movement between a lower inoperative position and a raised operative position. The support arms are each in a generally A-shaped configuration with an intermediate cross beam and with a pivot rod at lower ends and with a transverse brace at upper ends. Each transverse brace is formed in an L-shaped configuration with extents for receiving a portion of a truck trailer to be supported and transported.

Abstract: An assembly for coupling to the same bogie the opposite ends of two successive wagon structures having a "V"-shaped front end (18) articulated on the bogie and an open rear end (13) consisting of two parallel arms (14, 15) has a pivoting cross member (26) on the bogie integrated with the "V"-shaped front end of the first wagon structure by which the preceding wagon structure is coupled, the pivoting cross member (26) comprising at each of its ends a receiving support (30, 31) equipped with an immobilizing device for each of the ends of the arms of the rear end (13) of the preceding wagon structure. The ends of the arms (14, 15) each have a junction structure cooperating with each receiving support.

Abstract: There is disclosed a rail bogie for connection with an intermodal or rail highway trailer having conventional highway wheels. The rail bogie includes an adapter engageable with a trailer and incorporating a lift mechanism for enabling the adapter to be lowered or collapsed for insertion beneath a trailer, and to be lifted or extended for raising the trailer and lifting the trailer wheels off of the ground.

Abstract: A truck-train system that provides for the mounting and dismounting of a truck-trailer on/from a railway dolly at any stretch of train rails which is paved or gravelled level to the height of the rail head, and employing a moment arm reaction locking mechanism that automatically centers and engages the truck-trailer thereby locking it into place. The dolly includes a steering rod assembly that permits it to steer into curves in either direction of operation. Also included on the dolly, is a truck assembly that utilizes a floating pedestal. The moment arm reaction locking mechanism coupled with the steering rod assembly and the floating pedestal affords greater lateral stability and greatly increased operating speeds of the truck-train system.

Abstract: A safety interlock for an intermodal train has a locking pin shiftable for locking a coupling pin in a coupling position. An air valve is associated with the locking pin for providing an air pressure signal when the locking pin is retracted, which signal actuates another air valve for venting the brake pipe of a braking system.

Abstract: A retractable intermodal vehicle for supporting and connecting modified semitrailers end-to-end to form a train of trailers capable of being operated on a railroad track; the semitrailers also able to be operated on a highway as regular semitrailers. The intermodal vehicle is comprised of two lower frames, with a wheel/axle assembly mounted to each, and each pivoted from and supporting a single upper frame assembly; the pivoting of these lower frames providing a limited steering of the rail axles relative to the upper frame. Inflatable air springs are mounted between the lower frames and upper frame assembly to allow the upper frame to be raised and lowered.

Abstract: A hauling vehicle for both highway and railway use is disclosed. A highway wheel assembly is permanently and slidably mounted to the underside of the vehicle. The highway wheel assembly includes a set of leaf springs and air bags which are used to raise and lower the vehicle to permit coupling of a railway wheel bogie for railway use and uncoupling of the railway wheel bogie for highway use. The air bags and leaf springs also permit the highway wheel assembly to be raised off the ground when the railway wheel bogie is coupled to the hauling vehicle.

Abstract: A truck-train system uses a first ("A") railway dolly or bogie to support the front or fifth-wheel hitch end of roadable truck-trailer. It uses a second ("B") railway dolly to support the rear or roadable wheel end of the same truck-trailer. The first ("A") and second ("B") railway dollies are connected to each other by a longitudinal support member having a telescoping central sill. The central sill is adapted to be detachably connected to the first ("A") railway dolly. The longitudinal support member is connected to the second ("B") railway dolly and also supports a raised platform having a deployable ramp for receiving the wheels of a roadable truck-trailer. The telescoping central sill and longitudinal support member can be locked in any fixed position to take up the train draw-bar tension and to provide for truck-trailers of various lengths.

Abstract: In a road-transportable trailer having a connecting arm (11) of a "swan neck" type, and including an oblique arm (15), followed by a branch (17), a forward extremity of the former including a lower support rack (16), and a retractable telescopic support arm (24) disposed therein, and further including a plurality of access ramps (7, 8), the improvement relates to the facts that the branch (17) of the connecting arm (11) is foldable, is structured on an upper surface thereof as a projecting support member (20), and is adapted to be made rigid with the upper deck (35) of a forward bogie (27). A pivoting mechanism is provided which may be locked into a normally horizontal position, and is adapted so as to be in a position of alignment with an upper deck of a rear bogie (28).

Abstract: A rail bogie for hooking with semi-trailers and the like road vehicles comprises a truck having a wheel-mounted chassis and a fifth-wheel frame above the chassis. Power jacks or inflatable balloons are mounted between this chassis and the frame for moving the latter vertically between a low and a high positions relative to the chassis. There is also provided a locking combination on the frame and on the chassis capable of holding the frame releasably locked to the chassis when the said frame has reached the high position aforesaid. The bogie also includes a horizontal fifth-wheel support mounted on the frame for pivotal movement about a vertical axis whereby to allow it to sway laterally and a fifth-wheel is mounted at the other end of the support. The bogie further includes an assembly automatically centering the first wheel on the frame when the latter reaches its high position.

Abstract: An automatic traveling apparatus comprising a self-propelling car having a self-propelling drive is mounted on a carriage car in such a manner as to be dismountable therefrom. The apparatus also includes a driving-force transmission which, when the self-propelling car is mounted on the carriage car, engages with the self-propelling drive of the self-propelling car to drive the carriage car into traveling.

Abstract: A method and apparatus for converting a railway-track renewal train into a train for laying new railway track. The railway-track renewal train includes a first truck bearing on a bogie rolling on a renewed track, a second truck bearing on spaced first and second bogies of which the first bogie rolls on an old track and the second bogie moves on old ties or sleepers, and various means for removing the old rails and sleepers and for laying new rails and sleepers. The bogie of the first truck is mounted onto a vehicle designed to remain on site and having a motor for moving the vehicle on the ballast or platform. The vehicle is moved in the direction of movement of the renewal train or in the opposite direction dependent on whether an old railway track is removed or new track is laid.

Abstract: A truck-train system uses a railway dolly or bogie to support the front end of one truck-trailer and the rear end of another truck-trailer. A pair of truck-trailer support members are pivotally connected to the railway dolly. They are provided with a fixed incline ramp to raise and guide the truck-trailer onto the respective support member. The railway dolly is provided with a standard railway compressed air braking system with an air hose retrieving device to store the air hose. The railway dolly is also provided with standard railway couplers at each end. These couplers are adapted to retract or vertically rotate to a position below the surface of the incline planes.

Abstract: A railway train of truck trailers or trailer chassis coupled end to end with the back end of each trailer (and the front end of a following trailer, if any) pivotally supported on the bolster of a railway truck by a subframe having vertically facing load carrying parts engaged by mating parts on the back end of the leading trailer on opposite sides of its centerline. The following trailer is supported by structure either on the forward trailer or pivotally supported by said subframe. When connected in the railway mode, the road wheels of the trailer are supported clear of the tracks.

Abstract: Individual road transport and rail-bound transport are combined with rapid transfer from one transport mode to the other. The transport units for individual traffic are semi-trailer trucks. The load and transported-material bearing semi-trailer are transferred by cross-rolling onto the low-platform railroad car for rail-bound shipping. The tractor-truck serves only as a power plant and supports docking. Thereafter the tractor is again available for other transports in individual traffic. The energy of motion is supplied from the tractor-truck through extensible power or air lines to the semi-trailer and these lines are disconnected following docking. Locks are provided to secure the position of the semi-trailer on the low-platform railroad car and these locks are of the self-service type. Means for anti-tipping are provided at the apron and/or at the low-platform railroad cars to prevent their tipping during load transfer.

Abstract: A self-propelled rail transport vehicle for carrying a hydraulic crawler crane is provided. The transport vehicle is designed to normally travel along the rails of a track and allow crane operation either from the transport or from a ground off-loaded position. The crane may be delivered and loaded on and off the transport at any convenient ground rail location, and when taken off the transport, may be used to lift the transport from the tracks, so as to allow trains to pass unobstructed. The crane may then be used to lift the transport back on the track after which the crane may be loaded onto the transport. Once the job at a site is complete, the carrier and crane may be returned to its original location by rail or by truck. A latching mechanism is located in the center of the carrier deck of the transport. The latching mechanism is adapted to engage with a retractable pin mounted to the underside of the car body of the crane.

Abstract: An intermodal road/rail transportation system wherein the freight containers or road trailers are adapted for transportation on detachable rail trucks or bogies. The system includes various bogie constructions, locking devices and trailer constructions which obviate the disadvantages of the prior art by, among other things, absorbing and/or minimizing the various stresses applied to the system. In the rail mode, the system allows the sequential starting of rail cars, thereby reducing the force necessary to start a string of trailers.

Abstract: An intermodal system for moving highway semi-trailers by rail transportation. With the system of the present invention, trailers of any length are carried on a plurality of rail bogies such that one end of the semi-trailer is carried by one rail bogie and the other end of the semi-trailer is carried by another rail bogie. Each rail bogie has a frame structure supported on spaced-apart, wheeled axles. The frame structure defines a central drop deck section having a stationary, longitudinally extended, planar platform. Each rail bogie further includes a trailer securement system. The trailer securement system includes a chock assembly for facilitating trailer loading through simultaneous rotational movement of the semi-trailer's wheels through an arc on the platform and translatory movement of the wheels along a predetermined longitudinal path on the platform. The chock assembly includes a transversely spaced pair of joined chock blocks normally arranged on one side of the semi-trailer's wheels.

Abstract: A road/rail transport system is described and comprises rail bogies of the kind having two axles and a central bogie bolster arranged between the axles and transverse to the intended direction of travel and semi-trailers which are preferably of the kind having road wheels at the trailing ends and adapted for connection at their leading ends to a tractor unit. The rail bogie bolster has a pocket in which a mounting member is held, the pocket and mounting member having part spherical surfaces in engagement to permit limited movement of the mounting member relative to the pocket. The mounting member is adapted for releasable attachment to the frame of a semi-trailer which at one end is provided with an aperture for receiving the attachment of the mounting member and which at the other end is connectable to a similar semi-trailer so that a train may be constructed of semi-trailers and bogies with each bogie effectively supporting the weight of one semi-trailer.

Abstract: A vehicle for use in transporting heavy equipment having a hydraulic system including a hydraulic pump, which vehicle has a hydraulic motor arranged to drive a pair of railroad track wheels. The vehicle also has an arrangement such that the hydraulic motor of the vehicle can be releasably interconnected with the hydraulic system of the heavy equipment to drive the former from the latter. A ramp can be reversibly lowered to an inclined position to facilitate loading and unloading of the heavy equipment onto the vehicle. The railroad track wheels are each electrically insulated from their corresponding axles.

Abstract: A cargo body with a rubber tired truck permanently connected to its rear end, is propelled along the highway by any conventional highway tractor. For rail service the highway truck is cradeled in a railroad wheeled truck and the front end of each cargo body is supported on the rear end of its preceding cargo body. Additionally, an array of second stage springs carry the doubled load in rail service, stabilizers are provided for the railroad axles; and a single axle railroad dolly is used to connect the cargo bodies to a locomotive or any of its cars.

Abstract: A convertible vehicle provided with a truck assembly adjacent the rear end and a plurality of liftable axle assemblies intermediate its ends. The truck assembly has railway wheels lowered for railway use and highway wheels lowered for highway use. The liftable axle assemblies have highway wheels lowered during highway use. A lift mechanism raises the liftable axle assemblies during railway use and a locking mechanism releasably locks the liftable axle assemblies in the raised position. The front of the vehicle can be alternatively connected to a highway truck tractor or a railway truck.

Abstract: The present invention comprises an elongated container which may be carried either by rail or on a highway by a conventional truck tractor. The container includes a pair of dolly engaging pins fixed to its floor at the opposite ends thereof. The pins are adapted to engage a fifth wheel mechanism mounted on a dolly having wheels thereon adapted to engage conventional railroad rails. The dolly includes two fifth wheel mechanisms, one for receiving the pin from one container and the other for receiving the pin from another container. Also mounted on the undersurface of the container is a fifth wheel carriage which is adapted to slide longitudinally with respect to the container and which is adapted to engage the fifth wheel mechanism of a conventional truck tractor. A pair of truck wheels are mounted on a carriage which can be mounted to the rear end of the container for use on a highway when being pulled by a truck tractor.

Abstract: A railroad car as a chassis of two parts and which are connected together by a coupling device. By lifting one end of the chassis by jacks it is possible to remove a railroad type truck and replace it with truck fitted with wheels and tires. The coupling is then opened and each half of the railroad car can be converted into a semi-trailer connected by means of a pivot to a tractor truck.

Abstract: A highway trailer has an underframe of side walking beams, to which it is pivotally connected on a horizontal transverse axis. These walking beams can be mounted on, preferably with a nesting fit, the main longitudinal side frame members of a railroad truck so that the trailer can be lifted from and dropped onto the railroad truck by gravity. Such can be accomplished by arranging a highway track at a straddling higher elevation than a railroad track and providing the railroad track with up and down ramps. With the trailer overlaying and connected to move along with the railroad truck, the latter rises into mating relation therewith on ascending the up-ramp. When disconnected, the railroad truck drops from the trailer on descending the down ramp. In mating, the highway walking beams enter the space defined by the main longitudinal side frame members of the railroad truck, and the rubber tired highway wheels are arranged, freely suspended, exteriorly of the railroad truck.

Abstract: The present invention relates to a dismountable car for the technical coordination of rail-highway transport, wherein the car is adapted to support two identical loads and its chassis is in two elements respectively borne by the end bogies and provided with traction and buffer members, these two elements being connected in the median zone of the car by disconnectable connection means and their corresponding ends being adapted to be supported by retractable support devices which may rest via lower rail wheels on the rails and abut on these elements to maintain them substantially horizontal and lift or lower their free ends slightly.