Abstract: A bracket assembly for a gas turbine engine includes a first foot that includes at least one flange fastener opening and a duct flange support surface. A second foot includes at least one body portion fastener opening and a duct body support surface. At least one leg connects the first foot relative to the second foot.

Abstract: According to some embodiments, a railcar comprises a hopper with a sloped sheet and a discharge door. A first end of the discharge door is coupled to the railcar and pivots the discharge door between closed and open positions. The sloped sheet comprises a discharge end that is in contact with the discharge door when in the closed position. A second end of the discharge door extends beyond the discharge end of the sloped sheet when in the closed position. The discharge door comprises a lip disposed at its second end that extends generally perpendicular to the discharge door and parallel to the sloped sheet when the discharge door is in the closed position. The sloped sheet comprises a gasket coupled to its exterior portion. The lip of the discharge door contacts the gasket when in the closed position.

Abstract: A hopper car discharge outflow is controlled by closure members, at least one of which is movable. The doors are hingeless, being mounted on four bar linkages, such that the distal edge of the doors sweeps predominantly horizontally while the proximal edge of the door moves predominantly upwardly. The doors move through noncircular arcs, such that the size of the vertically projected door opening is abnormally large compared to the clearance heights of the door. The doors are driven by a longitudinal shaft that is mounted within the center sill. It drives a set of single input, double output bell cranks that drive adjacent pairs of doors, and that employs an over-center toggle to hold the doors in the closed position when the car is laded. The actuators may be mounted in shelters midway along the car, and may be offset from the centersill. The actuators may be mounted predominantly vertically such that gravity may obviate the need for a secondary lock.

Abstract: An extension assembly for a processed crop storage tank on a combine. A closure assembly for a top opening on the tank has at least one panel with one surface area that is exposed to bound a part of an exterior space above the storage space with the closure assembly open. The extension assembly has a first extension panel with a first surface with a first area and a connecting system through which the first extension panel is operatively connected to the combine. The first extension panel is changeable between a deployed position and a stored position. In the deployed position the first surface and one surface define a combined exposed surface area that is greater than the first area of the first surface. The combined surface area is exposed to confine processed crop in the exterior space with the closure assembly open.

Abstract: A railroad hopper car discharge gate assembly has first and second elements arranged in vertically stacked relationship relative to each other for controlling discharge of material from a hopper car. First and second drive mechanisms move the first and second elements, respectively, between closed and open positions. A lock assembly including first and second locks serve to maintain the first and second elements, respectively, in a closed position. The gate assembly also includes a mechanical system for positively removing the first and second locks from a locked condition relative to their respective element upon rotation of either drive mechanism. A method for controlling discharge of material through an opening defined by the railroad hopper discharge gate assembly is also provided.

Abstract: A mechanism for operating one or more hinged doors on a hopper car including an elongated operating shaft having a fixed axis of rotation and a linkage system for operably connecting the operating shaft to the hinged doors on the railroad hopper car. The linkage system includes an actuating link operably connected to and rotatable with the operating shaft and a connecting link for operably connecting the actuating link to each door. The linkage system links includes a primary lock for holding each door in the closed position. A selectively operated secondary lock is rotatable about a fixed axis disposed above the fixed axis of the operating shaft assembly. The secondary lock rotates between a first condition, wherein a stop engages with at least one link of the linkage assembly, and a second condition, wherein each door is permitted to move to the open position.

Abstract: A slag discharge door device for an electric furnace is provided. The device prevents slag from flowing out via a slag discharge port by making a discharge control door body move up and down to and from the upper surface of a supporting body where slag is discharged by flowing to the upper surface, and the discharge of slag is controlled, such that during steel-making work in the electric furnace, the outflow of slag is prevented and heat losses are reduced, the efficiency of arc heat due to the formation of foamed slag is increased, and valuable metals are recovered from the molten slag thereby increasing the percentage of molten steel recovered.

Abstract: A hopper car discharge outflow is controlled by closure members, at least one of which is movable. The doors are hingeless, being mounted on four bar linkages, such that the distal edge of the doors sweeps predominantly horizontally while the proximal edge of the door moves predominantly upwardly. The doors move through noncircular arcs, such that the size of the vertically projected door opening is abnormally large compared to the clearance heights of the door. The doors are driven by a longitudinal shaft that is mounted within the center sill. It drives a set of single input, double output bell cranks that drive adjacent pairs of doors, and that employs an over-center toggle to hold the doors in the closed position when the car is laded. The actuators may be mounted in shelters midway along the car, and may be offset from the centersill. The actuators may be mounted predominantly vertically such that gravity may obviate the need for a secondary lock.

Abstract: A railcar door sealing assembly includes a first door seal member coupled to a first door plate of a first door of the railcar. The door sealing assembly also includes a second door seal member coupled to a second door plate of a second door of the railcar. The first door seal member at least partially overlaps with the second door seal member in a face-to-face relationship when the first door and the second door are in the closed position.

Abstract: A gravity wagon includes a container for storing grain or other material and a discharge for allowing material to exit the hopper via gravity. A discharge chute and kickback are used to direct the material from the discharge and are coupled via a linkage such that they can be positioned to direct the material exiting the hopper to an area generally to the side of the hopper in a first position or an area generally towards the center of the hopper in a second position. The movement of the discharge chute and the kickback between the first and second positions is facilitated by a pusher or pushing member coupled to the kickback.

Abstract: A discharge assembly for a bulk materials rail wagon includes a closure assembly movable to open and close an opening. The closure member includes a cover member and stiffener having a web and flange. In one form an upper surface of the flange is raked. In one form the edge of the stiffener web extends along a concave path to reduce stress concentration in the closure member.

Abstract: An outlet gate assembly with a body, a discharge conduit having opposite ends defining discharge openings, an air flow conduit having an air flow opening adjacent each of the discharge openings and removable covers, each enclosing one of the discharge openings, and the adjacent air flow opening of the air flow conduit. The covers define a flow path between the discharge opening and adjacent air flow opening. In another form the air flow conduit from each air flow opening comprises a separate tube. Also a cover is disclosed for the discharge tube of an outlet gate for a railroad car that is vented to atmosphere.

Abstract: The present application provides a bottom door device and a hopper car, the bottom door device includes a first bottom door and a second bottom door, the first bottom door includes a first door end plate and a first bottom door plate which are fixedly connected, the second bottom door includes a second door end plate and a second bottom door plate which are fixedly connected, and a labyrinth seal is formed between the first bottom door plate and the second bottom door plate. By using a labyrinth seal to replace the overlapping sealing in the prior art, the bottom door device and the hopper car provided by the present application can still meet the sealing requirement on the premise that the two bottom door plates can be closed without complying with any specific order, thereby optimizing the structure of the bottom door device in the prior art.

Abstract: A railroad open top hopper car comprises a pair of spaced trucks a railcar body, the body comprising a pair of side structures railcar, wherein each including (i) a top chord extending the side structure length, (ii) a plurality of upper side stakes extending from the top chord, (iii) an intermediate side chord extending the side structure length and below the top chord and coupled to the upper side stakes, (iv) a plurality of lower side stakes extending from the intermediate side chord, and (v) a side sill extending the length and below the intermediate side chord and coupled to the lower side stakes. The body forms discharge chutes forming pockets for the body with a plurality of intermediate doors and end doors, wherein the end doors are larger than the intermediate doors. Each door may include a biased door seal.

Abstract: A hatch assembly for use with a railway hopper car. The railway hopper car includes sidewalls, end walls, and bottom walls for defining an interior volume. The bottom walls define a cargo well that has an opening for discharging materials transported by the hopper car. The hatch assembly includes a support frame that is coupled proximate to a bottom of the cargo well. A hatch is slideably coupled to the support frame. The hatch is moveable between a closed position and an open position for selectively covering the cargo well opening. A hatch positioning system including a drive shaft that is coupled to the support frame, a locking assembly that is coupled to the drive shaft and is configured to selectively engage a locking bar, a positioning assembly that is coupled to the drive shaft, and a drive assembly that is coupled to the drive shaft.

Abstract: An open/close control system for an inspection lid adapted not to open while a vehicle travels. An emergency release device is provided behind the inspection lid, where the emergency release device disables power transmission of a driver which opens and closes a side entrance/exit door of a railway vehicle. The emergency release device is installed in a space inside a wall surface inside the vehicle, and the space can be opened and closed by the inspection lid. The open/close control system has a locking device provided in the space inside the wall surface in order to restrict rotation of the inspection lid, and also has an open/close controller which detects traveling of the railway vehicle to actuate the locking device.

Abstract: A model vehicle, such as a model electric train, includes a model automatic door. The operation of the door is automated using a motor, drive train, and control circuit. A drive mechanism moves the door between open and closed positions. In the open position, the door is displaced laterally along and displaced outwardly of the body of the train car to expose a door opening. In the closed position, the door is substantially flush with the body of the car and covers the door opening. The control circuit permits automatic operation of the door and provides various features for enhancing realism of the operating model.

Abstract: A hopper car discharge section may be wide at the top and narrow at the bottom. Outflow is controlled by closure members, at least one of which is movable. The closure members come together to a closed condition or position for retaining lading. When apart, in an open position or condition, lading may be discharged. A seal member or seal member assembly is mounted to one or both of the closure members. The closure member may have a lading discharge encouragement feature, which may be in the nature of a tine, or blade, or knife that extends upwardly through the throat of the discharge section. Movement of the door may tend to move the blade, thereby tending to dislodge lading that may be otherwise reluctant to move.

Abstract: An apparatus for securing a cover to a bottom outlet valve (BOV) of a railcar, where the apparatus has a bracket attached to the railcar proximate the BOV; a rod extending generally perpendicularly from the bracket; and a cantilevered arm extending from the rod near a distal end thereof, where the cantilevered arm is configured to support the cover.

Abstract: A hopper car gate for discharging cargo from a hopper car having a length greater than its width. The gate has opposed generally upright side walls and opposed generally upright end walls coupled with the side walls. The coupled walls present a top opening and a bottom opening. A first rail extends between and is coupled with the side walls adjacent the bottom opening. A first door is supported on the first rail and is moveable in a direction that is perpendicular to the length of the hopper car that the gate is joined with between a closed position which blocks the bottom opening and an open position which allows cargo to exit through the bottom opening.

Abstract: A hopper car gate with opposed double doors for discharging cargo from a hopper car. The gate has joined side walls and end walls which present top and bottom openings. A flange joined to the walls adjacent the top opening is adapted to be joined to the hopper car. A rail extends between opposite walls adjacent the bottom opening. First and second doors are supported on the rail. The doors are moveable in opposite directions between a closed position which blocks the bottom opening and an open position which allows the cargo to exit through the opening.

Abstract: A method and apparatus for maintaining a relatively constant temperature of a working fluid in an evaporator of a refrigeration system by providing a constant volumetric displacement compressor and a heat exchanger for exchanging heat between the high pressure and low pressure portions of a refrigeration circuit to superheat, and hold substantially constant, the temperature of the refrigerant entering the compressor. In doing this, the pressure of the refrigerant in the low pressure portion of the circuit, including the evaporator, and the mass flow rate of the refrigerant remain substantially constant. As a result, the temperature of the saturated refrigerant in the evaporator remains substantially constant.

Abstract: An apparatus for controlling discharge of commodity from a railcar having a hopper with at least two transversely spaced discharge openings and two laterally spaced and commonly joined pivotal doors arranged in registry with the two discharge openings. The control apparatus includes a transversely extending operating shaft and a linkage system operably connecting the operating shaft to the doors. A drive mechanism is operably connectable to the linkage system. The drive mechanism includes a powered driver for selectively operating the linkage mechanism to either simultaneously move the doors into their closed position or to simultaneously move the doors from their closed position. The powered driver of the drive mechanism is operably connected to a lever radially extending from the operating shaft. To releasably hold and maintain the doors in their closed position, a lock assembly is arranged in operable combination with the driver.

Abstract: A hopper car gate with a curved door for discharging cargo from a hopper car. The gate has coupled side walls and end walls which present a top opening, bottom opening, and upper surface surrounding the top opening and adapted to be joined to the hopper car. A curved rail extends between and is coupled with the end walls adjacent the bottom opening. A curved door is supported on the rail. The door is moveable between a closed position which blocks the bottom opening and an open position which allows the cargo to exit through the bottom opening.

Abstract: A flow through railroad freight car may include a body having a containment structure. The body may be mounted upon railcar trucks for rolling motion along railroad car tracks. The containment structure may include one or more hoppers, each of which may have inflow and outflow ports, by which means lading may be introduced into the car, or discharged from it. The inflows may include an upper intake, which may be a series of hatches and hatch coamings. The hatch coamings may stand outwardly from the containment structure, and may also having internally extending skirts. In one instance, the skirts may be of a first length corresponding to a first fill level, or volume, for use with lading of a first density. The length of the skirt may be adjusted at a later time to correspond to a second fill level, or volume, for use with lading of a second density.

Abstract: An apparatus for controlling discharge of commodity from a railcar having a hopper with at least two transversely spaced discharge openings and two laterally spaced and commonly joined pivotal doors arranged in registry with the two discharge openings. The control apparatus includes a transversely extending operating shaft and a linkage system operably connecting the operating shaft to the doors. A drive mechanism is operably connectable to the linkage system. The drive mechanism includes a driver for selectively operating the linkage mechanism to either simultaneously push the doors into their closed position or to simultaneously pull the doors from their closed position. The drive mechanism further includes a lever radially extending from the operating shaft and operably connected to the driver. To releasably hold and maintain the doors in their closed position, a lock assembly is arranged in operable combination with the driver.

Abstract: A railcar with discharge control system is disclosed. In one embodiment, a railway car includes an underframe and at least one hopper for transporting lading. The railway car further including the underframe including a center sill which defines in part a longitudinal axis of the railway car. A discharge opening formed proximate to a lower portion of the hopper. A respective door assembly pivotally mounted adjacent to the discharge opening to control the flow of lading from the hopper. The door assembly operable for movement between a first, closed position and a second, open position relative to the discharge opening. A discharge control system operable to move the door assembly between the first position and the second position. The discharge control system operably moves generally longitudinally along the axis of the railway car to move the door assemblies between the first, closed position and the second, open position.

Abstract: A hopper car discharge section may be wide at the top and narrow at the bottom. Outflow is controlled by closure members, at least one of which is movable. The closure members come together to a closed condition or position for retaining lading. When apart, in an open position or condition, lading may be discharged. A seal member or seal member assembly is mounted to one or both of the closure members. The closure member may have a lading discharge encouragement feature, which may be in the nature of a tine, or blade, or knife that extends upwardly through the throat of the discharge section. Movement of the door may tend to move the blade, thereby tending to dislodge lading that may be otherwise reluctant to move.

Abstract: A door position indicating mechanism for use with a railroad car. The mechanism includes a shaft which extends across the longitudinal direction of the car. An offset section of the shaft has a roller which contacts a lever which is shifted by an air cylinder when operating the door mechanism. At least one counterweight biases the roller into constant contact with the door operating lever. Indicators are mounted on either end of the shaft such that the position of the doors can be noted from either side of the railroad car.

Abstract: A closure mechanism for a hopper bottom trailer which utilizes potential and kinetic energy of granular material in the hopper. The hopper closure assembly may have an angled member upon a gate that translates kinetic energy for moving granular material into longitudinal movement of the gate. The hopper closure assembly may have a raising structure which lifts the gate relative to the gate frame to create potential energy to assist in movement of the gate down the raising structure and in opening the discharge opening of the hopper. A method of using a hopper closure assembly which involves the steps opening the discharge opening by moving the gate longitudinally, also including the steps permitting the granular material to assist in opening the gate by striking the angled member, and additionally permitting the leading edge to move from the receiving member of the gate frame by descent from the raising structure.

Abstract: A sliding door is provided for a rail car of the type having a floor, a side wall along one side of the floor and standing upwardly from the floor and an opening in the side wall. The sliding door is mounted on top and bottom rails at the opening extending parallel to a plane of the opening with the door movable from a closed position at the opening to an open position spaced along the rails from the opening. The sliding door is formed of modular panel sections which are replaceable independently of one another when damaged. The sliding door includes a flexible portion being movable between a relaxed position and a flexed position in which the flexible portion is deflected in a direction transversely to the plane of the opening in relation to the relaxed position in order to minimize damage to the, door when impacted.

Abstract: A sliding door is provided for use on a rail car having a floor and a side wall with an opening therein along one side of the floor. The opening is defined by a pair of side posts having respective front surface and a top and bottom sill. The front surfaces of the side posts define a sealing surface lying in a common vertical sealing plane with respective sealing surfaces of the top and bottom sill. The door is slidable on rails between an open position and a closed position across the opening. Pivotal mounting members mount the door on the rails for movement of the door in the closed position transversely to the rails and inwardly toward the opening from an outer sliding position to an inner sealed position. The door includes two side beams, a top beam and a bottom beam, each having a surface within a common plane for sealing with the respective sealing surface in the common vertical sealing plane of the opening.

Abstract: The invention relates to a motorised locking device for a door (2) intended in particular for a rail vehicle, with at least one leaf (3); the said device comprising:

Abstract: A pneumatic outlet gate of a railroad hopper car has an valve member mounted for rotation in a discharge tube between open and closed positions. The valve member is an arcuate segment terminating laterally at edge faces. The edge faces are angled such that in the upper half of the discharge tube they always slant downwardly from the surface of the tube, while in the lower half of the discharge tube the edge faces face downwardly. An arrangement of stops and abutments prevents rotation of the valve member to a location where the edge faces could trap lading against the discharge tube. Accordingly, the edge faces are self-emptying.

Abstract: A pneumatic outlet gate of a railroad hopper car has an valve member mounted for rotation in a discharge tube between open and closed positions. The valve member is an arcuate segment terminating laterally at edge faces. The edge faces are angled such that in the upper half of the discharge tube they always slant downwardly from the surface of the tube, while in the lower half of the discharge tube the edge faces face downwardly. An arrangement of stops and abutments prevents rotation of the valve member to a location where the edge faces could trap lading against the discharge tube. Accordingly, the edge faces are self-emptying.

Abstract: A mobile cement laying machine for delivering concrete via tracks to areas which are difficult to access by truck. The mobile cement laying machine includes a carriage with a front end and a back end. A hopper is mounted to an upper side of the carriage toward the front end of the carriage. The hopper has an open top and a slot providing a lower opening into the hopper for dispensing cement from the hopper. A gate substantially closes the slot of the hopper. A pair of first rail wheels are coupled to the carriage towards the front end of the carriage. A pair of second rail wheels are coupled to the carriage towards the back end of the carriage.

Abstract: A pneumatic outlet gate of a railroad hopper car has an valve member mounted for rotation in a discharge tube between open and closed positions. The valve member is an arcuate segment terminating laterally at edge faces. The edge faces are angled such that in the upper half of the discharge tube they always slant downwardly from the surface of the tube, while in the lower half of the discharge tube the edge faces face downwardly. An arrangement of stops and abutments prevents rotation of the valve member to a location where the edge faces could trap lading against the discharge tube. Accordingly, the edge faces are self-emptying.

Abstract: A rapid discharge railcar door consisted of a plastic main body reinforced by an aluminum frame, and which provides sufficient strength against load-bearing forces and withstands changes in temperature. The main body of the door is made from a polymer in a reaction injection molding process. The door reduces the overall weight of the railway car, thus allowing more coal to be shipped per car.

Abstract: A single circular or cylindrical door is provided which covers a pair of horizontal discharge openings in a hopper car construction transversely of the longitudinal axis of the rail car. Each circular or cylindrical door is pivotally mounted to the rail car body on each side of the rail car. A fluid operated cylinder is connected to each door at the central span thereof. The other end of the fluid operated cylinder is connected to the center sill of the rail car. A directional valve controls the direction of fluid flow to the fluid operated cylinder to cause the door to rotate from a closed position blocking the pair of discharge openings to an open position whereby both discharge openings may simultaneously discharge material from the hopper car.

Abstract: A gasket assembly for sealing between a gate assembly and the bottom opening of a railroad hopper car wherein the gate assembly has a peripheral flange, and a hopper car flange surrounds the bottom opening of the railroad hopper car. The gasket includes a central band with an interior edge and exterior edge. The central band is made of a relatively rigid material. The central band contains a plurality of holes therein. An interior band of relatively softer material is bonded to the central band adjacent to the interior edge thereof. An exterior band of relatively softer material is bonded to the central band adjacent to the exterior edge thereof. Upon the assembly of the gate assembly to the bottom opening of the railroad hopper car, the interior band and the exterior band are subjected to a compressive force wherein the extent of the deformation of the interior band and the exterior band being limited by portions of the central band to which the interior band and the exterior band are bonded.

Abstract: A hopper door operating mechanism includes an arcuate closing plate mounted on an internal shaft pivotably connected to the frame of the hopper door. An operating crank has one end connected to the internal shaft and the other end pivotably connected to a link arm. The link arm has motors pivotably connected at opposite ends of the link arm. The closing plate can be rotated to open the hopper door in either direction depending on the discharge direction. To open and close the closing plate in a first direction, the first motor is operated to move the link arm and rotate the closing plate while the second motor is maintained in a closed position to retain one end of the link arm as a fulcrum point. To open and close the closing plate in the opposite direction, the second motor is operated to move the link arm while the first motor is maintained in a close position to retain end of the link arm as a fulcrum point.

Abstract: A structurally reinforced railroad car is provided which interfaces with the output of a typical refuse compactor and is capable of being thus forcibly filled with compacted refuse which efficiently fills and conforms to the interior, making maximum volumetric use of the car for efficient transportation to a disposal site. At the disposal site, hydraulic cylinders of the car cause the lid assembly of the car to pivot upwardly, leaving one side and top open, while a powered ejection panel from within the car pushes the refuse toward the open side until it falls over the edge. The car is equipped with engagable seals for containment of leachant and liquids which may form or be present in the refuse.

Abstract: A discharge hopper rail car (10) comprises a hopper body (14) mounted on a chassis (12) which is itself supported on flanged wheels (20). The body (14) includes a discharge opening in a lower part thereof and a door structure (16) pivotally mounted on the body (14) and displaceable between a closed condition in which the opening is closed by the door structure (16) and an opened condition to permit discharge of the contents of the body (14). The door structure (16) forms a basin for collecting both liquids and fines leaking from the opening when the door structure (16) is in its closed condition.

Abstract: A loading wagon (1) for the transport, storage and discharge of bulk material has a wagon frame (2) supported on on-track undercarriages (3) and a wagon body (5) connected to the wagon frame, there being arranged in the base region of the wagon body a base conveyor belt (7) having a drive (11). Provided adjacent thereto is a transfer conveyor belt (8) which projects over the end of the wagon frame, has an elevated discharge end (9) with respect to the wagon frame (2), and which is provided with a drive (12), with a storing or transporting direction (31) running from the base conveyor belt (7) to the transfer conveyor belt (8). An outlet opening (14) for discharging the bulk material onto the track is provided beneath the base conveyor belt (7). The drive (11) for the base conveyor belt (7) or the transfer conveyor belt (8) is designed for selective operation in the first transporting direction or in a second transporting direction running in the opposite direction thereto.

Abstract: A cargo compartment door for a passenger aircraft having about 80 to 150 seats, wherein the cargo compartment is located underneath the cabin floor, closes a loading opening (6) that extends from approximately a connection area (3, 4) between the cabin floor and the fuselage downwardly in a circumferential direction to well beyond the center plane of the fuselage. The cargo compartment door has a work platform that extends approximately horizontally in the loading position. These features provide an optimal convenience for loading and unloading such aircraft.

Abstract: A dual-purpose railway hopper car is constructed so that it is capable of holding, handling and hauling both coal and fly ash on different trips by virtue of having a plurality of quick opening hopper doors which are sealed to prevent leakage of fly ash when closed, highly sloping active walls, a covered top with a wide longitudinal hatch for loading coal, which wide hatch carries a smaller circular hatch for pneumatically loading fly ash. The coal hatch is operated by air cylinders from a quick connect coupling at ground level. A center sill covers the hopper door operating linkage.

Abstract: A traveling bucket assembly is operable to dispense particulate product contained in a pair of food hoppers simultaneously onto target areas on an underlying conveyor. An outside gate is movable to open and close a dispensing outlet formed in the bottom of each of the food hoppers. An inside gate in the hoppers is movable independently of the outside gate to block further discharge of product from the hoppers even though the outside gate is retained in its opened position so that discharge of product can be regulated with greater precision.

Abstract: A hopper for a railroad car having a pair of side hopper walls, a pair of end hopper walls, a gate system positioned at a hopper discharge opening, and a crossmember affixed at one end to one of the side hopper walls and affixed at another end to another of the side hopper walls. This crossmember is positioned generally halfway between the end hopper walls. A first support bar is affixed to the side walls in an area between the crossmember and one of the end walls. A second support bar is affixed to the side walls in an area between the crossmember and the other of the end walls. The gate system is a pair of clamshell-type gates that are pivotable about axes parallel to the longitudinal axis of the hopper car. A strut is pivotally mounted to the crossmember and extends downwardly therefrom. This first strut is affixed at one end to one of the clamshell-type gates. A second strut is also pivotally mounted to the crossmember and extends downwardly so as to be affixed to the second clamshell-type gate.

Abstract: A covered hopper railway car (10) for transporting difficult-to-unload ladings includes a pair of parallel, spaced apart side walls (12a, 12b) and opposed end walls (14a, 14b). A roof (16) covers the car and has an opening (18) therein for loading lading into the car. The bottom has outlets (24a-24g) attached thereto for discharging lading from the car. Each outlet comprises a drop-bottom outlet whose length and width are sufficient so as to substantially prevent lading from bridging over the outlet thereby facilitating discharge of the lading.

Abstract: A bottom discharge hopper includes an elongated rectangular discharge opening closable by two discharge doors hinged along their outer edges to the hopper so that the doors are biased to an open position. Each door includes control means comprising a biasing member pivotally mounted to the hopper which biases a runner at each end of the door along a runner track on the door towards a position corresponding to the closed position of the door, the runners being located substantially directly below the pivot of the biasing member in this closed position.