Abstract: A railway house car having a door supporting track on a car side beneath a door opening, a door formed with a lower edge surface for support of the door on the top of the track and to provide a good light seal when the door is in the closed position. The edge surface has a plurality of openings with a portion of a roller extending from each one. Corresponding copes are located in the top of the track to receive the roller portions when the door is in the closed position. The rollers and corresponding copes permit at least two rollers to engage the top of the track and support the door for movement when the door is in other positions on the track than the closed position. A door leverage or force-multiplying mover is selectively interconnected to the door by means of a hasp to initially move the door from the closed position. Alternatively, a fulcrum is provided so that a pry bar can manually engage a bottom retainer to accomplish the initial door movement.

Abstract: A rail car having an interior cavity and an end opening for loading and unloading lading is provided with a pair of door assemblies, each of which includes a plurality of panels, each pivotally movable with respect to the other for closing at least a portion of the end opening. Pivot means comprising a shaft for mounting each of the door assemblies are provided to move the door assemblies between their respective open position and closed position. The pivot means are mounted for movement toward and away from the interior of the rail car on a track to permit storage of the door assemblies within the rail car when their panels are folded back upon one another. The shaft is manually driven by means of a housing. A rack and a source of rotational power including a cooperating pinion mounted on the shaft act to guide, move and lock the door. The housing has a cavity into which one or more enlarged lever ends are inserted and secured before assembly of the housing to the shaft.

Abstract: A method and combination for eliminating slack in one or more of a plurality of strands of web material being wound into coils on a take-up drum, where the strands have different thicknesses, include connecting a portion of each strand to the drum so that rotation of the drum will cause the strands simultaneously to wind onto the drum. The strands are wound onto the drum and a portion of each strand is connected to a previously wound portion of the same strand for forming a plurality of fixed diameter loops about the drum, the portion of each strand adjacent to the drum substantially conforming in size and shape to the outer surface of the drum.

Abstract: A rail house car with side openings and doors for closing the openings by movement of the doors longitudinally along the car sides and laterally into and out of the openings. Cranks moveably support and retain the doors on longitudinal tracks below the doors and within longitudinal retainers above the doors. The cranks are selectively manually driven for lateral movement of the doors. The top cranks include combination skid and roller devices which permit the doors to move easily because of the rollers when they are longitudinally moved along the track and retainer but which permit the locating of the rollers within recesses in the surfaces of the retainers when the doors are located laterally substantially within their openings along the car sides.

Abstract: A multi-deck rail car having an interior cavity and an end opening for loading and unloading lading is provided with a pair of door assemblies, each of which includes a plurality of panels. Each door assembly is pivotally movable for closing at least a portion of the end opening. Double vertical pivots mount each of the door assemblies and are provided such that they move the door assemblies between their respective open position, storage position and closed position. The double vertical pivot means are cranks pivoted at either end to permit pivoting of the door assemblies for storage within the rail car, when their panels are folded back upon one another. A lock for the doors includes a rigid projection extending from the edge of a first one of the panels behind and past an adjacent edge of the second of the two panels and in register with a cutout in the adjacent edge of the second panel.

Abstract: A door driver is provided on a railway house car for moving a railway car door between a locking position and a sliding position. The door driver includes a lever which is rotatably mounted on a structural member of the railway car. The door driver further includes a plurality of drivingly interconnected drive members, one of which is a driving member and another of which a driven member. The lever is drivingly connected to the driving member. The drive members have a plurality of gear teeth thereon and are rotatably mounted on the railway car with the gear teeth of at least one other drive member. When a force is exerted on the driving member, the driving member transmits that force to the driven member so the force capable of being exerted by the driven member is greater than the force exerted on the driving member.

Abstract: A method and apparatus for welding workpieces wherein the workpieces are defined by a structure having a plurality of areas with joined and bonded locations with at least one of the areas being different in depth than the depth of its adjacent area. At least one group of welding heads is provided in a predetermined spacial arrangement. When the welding heads are activated, they operate to join and bond the workpieces at certain joined and bonded locations. A carriage is provided to move the workpieces under the welding heads. Limit switches and a control circuit are provided for stopping the workpieces under the welding heads so that a first zone on the workpieces, which includes portions of more than one of the areas of different depths are under the welding heads. Means are also provided for lowering the welding heads until they come into contact with and exert pressure on the workpieces adjacent the location to be welded in the areas different in depth in the first zone.

Abstract: A mechanism for moving a sliding door of a railway car is capable of moving the sliding door between a first position in which the sliding door is supported on the body of the railway car and closes an opening in the railway car body and a second position in which the sliding door is supported by the mechanism and is moveable along the railway car body so that cargo may be loaded and unloaded into and out of the opening in the railway car. The mechanism includes a crank and a roller rotatably mounted on the crank. The crank is rotatably mounted to the sliding door about an axis of rotation which allows movement of the roller through an opening in the bottom portion of the sliding door while limiting lateral movement of the crank which allows for clearance between the roller and the opening when the roller moves through the opening in the sliding door. An actuating member is provided and is rotatably mounted on the sliding door about an axis. The actuating member has at least one lug thereon.

Abstract: A spreader for lifting containers mountable upon the tines of a fork truck or the like for movement rotatably about a generally vertical axis and horizontally in a direction transversely of the tines. Container engaging devices adjacent the corners of the spreader frame are movable in unison in a direction parallel to the longitudinal tine axes.

Abstract: Disclosed is a refined and alloyed martensite-free cast steel abrasive material and method of making the same. The abrasive material is either shot or grit and has a composition which includes carbon in about the range of 0.60 to 1.20 percent by weight, silicon in about the range of from 0.30 to 1.50 percent by weight, sulphur in about the range of from 0.0 to 0.1 percent by weight with the remainder substantially all iron, trace elements and impurities. The substantially martensite-free micro-structure is characterized by the presence of one or more of the group consisting of lower bainite, upper bainite, pearlite or ferrite and mixtures thereof, thus providing a more ductile abrasive particle of improved wear resistance.

Abstract: A railway car door includes an operating mechanism having a pair of pipes and cranks rotatably secured to the door. By their rotation, the door is movable into and out of a door opening. The car is equipped to have internally-projecting lading restraining members removably attached to the inside car sidewall and filler members removably attached to the inside of the door. Pipe stops are provided for selectively increasing or decreasing the amount of rotation of the pipes and cranks possible so that when the filler members are attached to the door, the door can be moved laterally out of the opening a first greater distance and thereby permit the filler members to clear the sidewall or adjacent door of the car. When the filler members are removed, the door can be moved a second, lesser distance out of the opening and clear of the sidewall or adjacent door of the car.

Abstract: A cargo-container spreader providing retractable guides and bell crank and link mechanism for operating the guides which may be substantially contained within the frame region of the spreader. The guides are adaptable for both power and manual operation.

Abstract: Disclosed is a method of producing a versatile as-cast steel shot having a substantially fully martensitic structure and corresponding full hardness which permits eliminating intermediate steps of heat treating to harden and subsequent drying in producing steel shot having a tempered martensitic structure or in producing steel grit.The method includes steps of charging, melting, refining, and pouring. The pouring step is accomplished by directing a stream of the refined molten steel through a stream of water under pressure and into a fluid quenching bath. The refined steel comprises: carbon in about the range of from 0.6 to 1.20 per cent by weight; manganese in about the range of from 0.50 to 2.26 per cent by weight; silicon in about the range of from 0.3 to 1.80 per cent by weight; sulphur in about the range of from 0.0 to 0.1 per cent by weight; phosphorous in about the range of from 0.0 to 0.1 per cent by weight; boron in about the range of from 0.0 to 0.

Abstract: A grappler spreader adapted for mounting on a fork lift or other type of cantilever-loaded carrier, and for handling cargo containers and piggyback trailers. The spreader to be described is especially designed for use on front or side-loading carriers. It is advantageously used in stacking and unstacking closely placed containers in terminal yards through provision of grappling arms which may be stored above the main frame of a spreader within a vertical projection of a cargo container handled by the spreader.

Abstract: The separator machine disclosed includes a base and sheet feed means on the base. The sheet feed means includes a conveyor section having a plurality of parallel driven transverse feed shafts rotationally mounted on opposite ends of said shafts to advance the sheets along a guide to a nip roll and a plurality of cooperating idler rolls. The nip roll then drives the sheets to forwarding rolls located on either side of the machine. The forwarding rolls are controlled to have the same peripheral speed as the nip roll and to engage the sheets only along the opposite margins of the sheet parallel to the direction of travel of the sheets. The forwarding rolls move the sheets in register between a pair of opposing dies which move transversely of the sheet feed direction into mutual contact with the sheet at a progression of locations across the sheet to complete separation of the cards from the scrap.

Abstract: The specification and drawings disclose a multiple latch assembly particularly suited for use in contoured vehicle doors. The disclosed assembly includes a plurality of latch members each having an outwardly biased latch pin. Operatively connected to all of the latch pins is a common operating assembly including a case defining a cavity and a handle pivotally mounted between the sides of the cavity. A slide member is carried on the case and interconnects with the handle so that oscillation of the handle produces reciprocation of the slide member. Lengths of flexible actuating cable are connected between the slide member and each of the latch pins. Each length of cable is arranged so that movement of the slide member in one direction will produce simultaneous inward movement of all latch pins.

Abstract: A rail car having an interior cavity and an end opening for loading and unloading lading. A pair of door assemblies, each of which includes a plurality of panels, each pivotally movable with respect to the other for closing at least a portion of the end opening. Pivot means for mounting each of the door assemblies are provided to move the door assemblies between their respective open position and closed position. The pivot means are mounted for movement toward and away from the interior of the rail car to permit storage of the door assemblies within the rail car when their panels are folded back upon one another. The means for moving the pivot means include a guide means in the form of a pair of parallel racks and co-operating pinions drivingly mounted on a common manually driven shaft, one rack and co-operating pinion each at the top portion and the bottom portion of the door assembly.

Abstract: The specification and drawings disclose a method and apparatus of forming foam plastic envelopes by simultaneously engaging two juxtaposed sheets of foam plastic with at least three pairs of opposed jaw members positioned to fully define three marginal edges of an envelope. As shown, the jaw members are positioned in a generally U-shaped pattern so that each pair of jaws completely defines a separate marginal edge. The preferred apparatus of the invention includes first and second opposed platens mounted for movement between a first position in which they are spaced a substantial distance apart and a second position wherein they are relatively closely spaced. Each platen carries at least three jaws including two elongated, spaced, side-by-side jaws and one intermediate jaw which extends transversely between the side-by-side jaws.