Abstract: A receptacle is provided for holding a quantity of solid material. The receptacle includes a container having an open end, and a gate operably connected to the container so as to be rotatable to a closed position structured to prevent solid material from exiting the container through the open end. The gate includes a locking arm mounted thereon. A latching mechanism is operably connected to the container and includes a latch rotatable to a latched orientation structured to contact the locking arm to prevent the gate from being rotated out of the closed position. The locking arm is structured to move rearwardly and upwardly during rotation of the gate out of the closed position. The latch is structured so that contact between the latch and the locking arm when the latch is in the latched orientation prevents rearward and upward movement of the locking arm.

Abstract: An apex axle truss system includes a first apex axle truss including a sheet of metal that has been bent to form a first substantially vertical wall, second substantially vertical wall, first angled wall, and second angled wall. The first substantially vertical wall is configured to be secured to a first lateral side of an axle housing. The second substantially vertical wall is configured to be secured to a second lateral side of the axle housing. The first angled wall is disposed between the first substantially vertical wall and the second substantially vertical wall. The second angled wall is disposed between the first angled wall and the second substantially vertical wall. The first angled wall and the second angled wall form an apex that is configured to be disposed over an upper surface of the axle housing.

Abstract: A side wall structure of an open wagon includes an upper side beam (1), wherein built-in pillow columns (3) and built-in side columns (4) are arranged on the inner side of the upper side beam (1), the upper side beam (1) is formed by pressing an outer side flanged plate (1a), an upper planar plate (1b), an inner side slope plate (1c) and a lower vertical plate (1d), the upper parts of the built-in pillow columns (3) and the built-in side columns (4) are welded on the inner side slope plate (1c) and the lower vertical plate (1d), built-in small upright columns (5) are respectively arranged on the outer sides of the built-in pillow columns (3), between the built-in pillow columns (3) and the built-in side columns (4) that are adjacent and between every two adjacent built-in side columns (4), and the upper parts of the built-in small upright column (5) are welded on the inner side slope plate (1c) and the lower vertical plate (1d); each side wall plate (2) includes a straight side wall plate (2a) and arc-shaped

Abstract: A system that attaches an edge-supported curved metal plate floor to a load carrying body of a vehicle, such as a truck or rail wagon, is disclosed. The attachment system includes a series of tensile members that are connected directly or indirectly at opposite ends to the plate floor and the body of the vehicle. The tensile members principally transfer forces from the floor plate to the body.

Abstract: A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar (22) comprises a longitudinal slot (36) wherein the hook (24) is designed to slide such that the hook can slide in the longitudinal slot between a position spaced apart wherein the trolley (10) is at a maximum distance from the tractor while it is being towed and a closer position wherein the trolley is at a minimum distance from the tractor to reduce the space requirement when it is stopped.

Abstract: A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar (22) comprises a longitudinal slot (36) wherein the hook (24) is designed to slide such that the hook can slide in the longitudinal slot between a position spaced apart wherein the trolley (10) is at a maximum distance from the tractor while it is being towed and a closer position wherein the trolley is at a minimum distance from the tractor to reduce the space requirement when it is stopped.

Abstract: An apparatus specifically tailored to transporting pipes in a tunnel is disclosed. A pair of low slung bogies are used to support and transport a pipe to pipe junction location. The bogies move over a pair of rails on rollers. The pipe rests on a set of inflatable devices which may be selectively inflated in a controlled manner to move the pipe in two axes during transport to the junction site. At the junction site, the inflatable devices are used to "jockey" the pipe on the transport device to provide limited roll, pitch and yaw movement of the pipe to facilitate mating the transported pipe with the end of a previously set pipe string.

Abstract: A mine supply car has fixed, rail-engageable wheels, and adjustable selectively useable road wheels mounted in elongate frames along the sides of the car. The road wheels are mounted on pivot arms for swinging movement between raised inoperative positions and lowered operative positions. The arrangement allows the car to be converted between rail and road use by relatively effortless manual movement of the road wheels.

Abstract: A load distribution vehicle which is adapted to run on a rail track on or over a train of open topped cars for the purpose of loading the cars with particulate material such as mineral ore, broken rock, sand, granular food stuff or the like. The vehicle consists of a bottom discharge hopper which includes a self contained power source for driving the vehicle on its rail track and opening and closing its load discharge doors. The wheels of the vehicle are rotatable on vertical axes and are dish shaped to provide the vehicle with an abnormal transverse movement capacity on its track to enable it to negotiate sharp kinks in its track.

Abstract: An improved, low height, electrically powered mine car is provided for transporting an entire crew (up to eleven persons) in a low vein mine shaft which includes strategically located and sized personnel and driver compartments for maximum load capacity. The main crew compartment is oriented to hold up to eight individuals who lie in a substantially supine position with their limbs intertwined; the forward end of the car has a central driver compartment allowing the operator to steer and control the car in a generally supine position, as well as two additional personnel compartments respectively ahead of the front wheels where the passengers may ride in a reclined position. The motor, main differential and drive shafts are substantially encased within a housing structure in order to prevent fouling of these components by dirt or the like encountered in a mine shaft. Spring structure for the car combines low profile, rugged characteristics and minimum space requirements.

Abstract: A train of tandem arranged, wheeled, refuse receptacles, pulled by a prime mover along a path, are successively moved over a dump chute to drop their contents when their discharge doors are successively tripped, the contents falling downwardly through the chute and into the entrance opening of an underground compactor. The reciprocating ram of the compactor passes the contents sidewise into the awaiting container of a refuse collection vehicle, compacting the contents therein.

Abstract: A gondola railway car having a car truck attached to each end of a continuous center sill, a pair of generally vertical end panels, a pair of generally vertical side panels joined to the end panels, a plurality of cross bearers extending from the center sill to a longitudinal chord at the bottom of each side panel, a car bottom between the end and side panels having substantially flat portions over the trucks and a pair of longitudinal trough portions between the trucks and the flat bottom portions, each trough portion having a side edge joined to a side panel bottom edge and a side edge joined to the center sill, and an end wall at each end of each trough extending to the adjacent flat bottom portion.

Abstract: An open top gondola railway car of depressed center design having stub sills and an end panel at each end of the car body which slopes outwardly and upwardly from an intersection with a generally permanently closed bottom having horizontal plate portions and at least one centrally located depressed curved portion in cross-section. Wheeled multi-axle trucks adjacent each end are provided with the horizontal plate portions extending over them. An upwardly directed step portion located intermediate the ends of the curved portion and reinforced openings having a smoothly curved perimeter in the horizontal plate portions located over the wheels, provide an increase in the clearance distance between the bottom and any concave or convex contoured portion of track upon which the car is located. The openings may be circular with rings or flanged conical members bolted to them to provide the reinforcing. The sloped ends have support sheets directing lading forces exerted on the ends to the stub sills.

Abstract: A personnel carrier for use in an underground coal mine comprises a rail vehicle having driving cabs at opposite ends thereof with driving controls in each cab. Power is supplied from a battery mounted between the cabs to an electric driving motor arranged to drive one of a pair of axles or both axles as desired through one or more respective gearboxes. Safety features include an isolating switch operable from either cab, a flameproof rotary switch disposed substantially midway between the two cabs for activating one set of driving controls or the other and operable from outside the vehicle and an emergency braking circuit. Normal braking is electrical and achieved by moving a single control lever from power to braking. The emergency brake comprises a disc brake unit on each axle urged to the on position by springs but held in the off position hydraulically providing that a foot pedal in the activated cab remains depressed.

Abstract: An elongated shuttle car is provided having a set of undriven rail wheels and a set of driven road wheels. The rail wheels are movable between a lowered position wherein they support the shuttle car and a raised position wherein the shuttle car is supported from the road drive wheels. The road drive wheels are independently driven by fluid drive motors, one of which is associated with each road wheel. The road wheels are disposed so as to permit movement of the shuttle car generally perpendicular to its longitudinal axis which is aligned with the rail bed. Hydraulic cylinders or jacks are utilized for raising and lowering the undriven rail wheels which are normally formed of steel. The rail wheels are supported in movable truck assemblies. The movable truck assemblies have an axle permanently attached thereto and a pair of rail wheels are attached to the ends of the fixed axle.

Abstract: A train system particularly adapted to be used in tunneling operation to outwardly move the loosened earth and rock or muck and, for that purpose, which is trackless and takes its lateral guidance from the usual utility duct which is required along the tunnel. This trackless train system also distinctively includes wagons having each a walking beam suspension which supports the load carrying ground wheels in a longitudinal central row, such that the wagon adequately and undistinctively rides on a tunnel floor which is uneven or which has a transversely concave profile, such as to form an underground conduit.

Abstract: A tunnel driving installation has an advanceable support shield and cutting means co-operating at the front end of the tunnel and a continuous tunnel lining disposed rearwardly of the support shield and constructed from individual lining sections. In order to store and transport the tunnel lining sections within the tunnel lining apparatus is provided which comprises storage stations respectively located at the front and rear regions of the tunnel and a trolley vehicle for moving back and forth between the stations. The trolley vehicle has a container which serves to receive debris removed by the cutting means, and beneath the container the vehicle has shaped plates which serve to locate and support a series of lining sections. Both storage stations are composed of T-shaped rails laid on the tunnel floor so that the vehicle can pass over the rails.