Abstract: A filter installation for a filter housing including a header plate having an aperture of a predetermined diameter, a tubular filter, a venturi-like member extending through the aperture into one end of the filter, an annular shoulder on said member having an outermost diameter at least substantially the same as the diameter of the plate aperture, and a collar having an interior diameter less than the outermost diameter of the shoulder and surrounding the filter, said collar being releasably secured to the plate and retaining a portion of the filter between the plate and the collar to secure the filter to the plate.

Abstract: A collecting electrode plate assembly for a flow-through housing of an electrical precipitator wherein each collecting electrode is made up of aligned panels interconnected by guide arrangements spanning the junctures of the adjacent panels. Each guide arrangement includes a pair of opposing plates secured to one of the panels and outwardly embracing an adjacent panel to accommodate relative lateral movement between adjacent panels while retaining the panels in a common plane.

Abstract: A mist eliminator device, particularly well suited for use in a wet scrubber apparatus, has a plurality of parallel spaced apart chevron shaped baffle members transversely disposed in a peripheral frame to define a plurality of parallel correspondingly chevron shaped gas flow passages each having an inlet and outlet accommodating the flow of gas through the mist eliminator. Each passage includes an upstream branch disposed proximate the gas inlet and a downstream branch disposed proximate the gas outlet. The upstream branch of each gas flow passage is obliquely oriented to the plane of the peripheral frame and the downstream branch is oriented perpendicularly to the same plane. A mist trapping flange projects into each upstream branch of the gas flow passages and another mist trapping flange projects into each downstream branch of the gas flow passages.

Abstract: A lightweight composite panel for use in constructing a portable or mobile enclosure capable of resisting penetration by small arms projectiles, explosive forces and heat having a multi-layered sandwiched construction. The layers include spaced apart metal panels with a honeycomb structure filled with a subliming material, a panel of projectile resisting material, and at least one panel of yieldable thermal insulation material disposed therebetween.

Abstract: A door lifter mechanism for a railway car door is operable by a handle which acts on two fulcrum bars. A fulcrum bar lifter roller is carried by the handle and supports the ends of the fulcrum bars, which are joined by a pivot spool received in slots in the fulcrum bars.

Abstract: A flatrack container for container loads has a pair of bulkhead assemblies at either end of a load platform, with each of the bulkhead assemblies including a telescoping assembly carrying stacking and lifting fittings being vertically adjustable so that the fittings can be positioned at any desired vertical position. One of the bulkhead assemblies is pivotally mounted so that it may be swung to the ground to serve as a drive-on ramp to aid in loading the container.

Abstract: A railway car comprises a plurality of vertically disposed decks above the floor of the car. The first deck includes a rigid deck section having at opposite ends thereof hinged deck sections which may be moveable from a load carrying position upwardly to a raised position to facilitate loading of the car floor. The hinged deck sections are provided with counterbalancing means and a lock is provided for locking the sections either in the raised or lowered positions whereupon vehicles may be driven onto the deck sections.

Abstract: A semi-dump level indicator comprising an electrical system including a pair of mercury switches mounted on the rear portion of the trailer. The switches are closed when the trailer is level. When the trailer is dangerously tilted gravity causes one of the switches to open which de-energizes a relay closing a warning light and alarm buzzer circuit in parallel with the circuit having the mercury switches to warn the operator not to raise the trailer.

Abstract: A conveyor structure of the roller type includes an alignment device for maintaining relatively flat objects in aligned positions with respect to each other. The device includes a plurality of second rollers disposed between the rollers of the conveyor, the second rollers being eccentrically rotatable about axes extending longitudinally or perpendicular to the axis of the first rollers. The second rollers move upwardly between the first rollers to engage the flat underneath surface of articles traveling on the conveyer to lift them up and to move them laterally into engagement with a positive stop position to one side of the conveyer, whereby the objects are then relatively aligned with respect to each other.

Abstract: An acceleration indicator including an anti-tampering arrangement adapted to be secured to a railway freight car for detecting pre-selected destructive impacts on the the car. The indicator includes a generally hat-shaped casing having a normally obscured movable plate or flag carried therewithin by a spring biased pendulum supported on a vertical plate secured within the casing. The vertical plate also supports the anti-tampering arrangement such that when the indicator is subjected to a preselected impact, the pendulum swings clear of the flag and drops by gravity into a position where it can be observed whereat it is entrapped by the anti-tampering arrangement.

Abstract: A door and discharge hopper combination including a locking mechanism which includes a rotatable latch jaw adapted to engage a keeper on the hopper door. The jaw is maintained in a locked position by means of a link and bell crank lever arrangement which is adapted to be biased into an over-center position to assure positive locking of the latch jaw and keeper arrangement.

Abstract: A safety roller assembly in a plug door for a railway car is disclosed which includes a safety roller traveling in a retaining guide with a recess being formed in the lower support surface of the retaining guide to receive a safety crank connected to the safety roller when the plug door is closed. A safety shoe is provided beneath the safety roller to prevent it from ever falling through the recess in the lower support surface.

Abstract: A railway car for carrying highway trailers includes an intermediate frame section having a platform for supporting trailer hitches adapted for crane loading operations. The outer ends of the frame are connected to stub sills which include wheel supporting depressed treadways. The associated bolster and bearer structure with the intermediate frame section provides a lightweight trailer hauling car of high strength construction.

Abstract: A sleeping berth for a passenger car compartment includes a tubular bed frame and mattress combination which is hingedly movable between use and non-use positions to a side wall of the car. The bed frame is latched in the non-use position and includes webbing which is spring loaded to urge the bed into the non-use position upon initial movement when raising the berth from a sleeping or use position.

Abstract: A sleeping berth movable between stored and use positions includes an elongated pan having a central substantially deep portion and at opposite ends substantially narrower portions which contain a suitably shaped mattress. The shallow portions in the use position of the bed increase the head room for passengers seated on the compartment seats. The pan or shell of the berth also includes at one side thereof a tubular beam construction which houses a linkage mechanism for releasably locking the berth in use and non-use positions.

Abstract: A side dump railway hopper car with outwardly movable discharge doors includes a door operating mechanism including pivoted keeper engaging members adapted to be rotated between lock an open positions. The pivoted keeper engaging members are actuated by linkage mechanism transversely movable by a longitudinally extending movable cam adapted to be supported on the underframe of the hopper car.

Abstract: A locking arrangement for a hopper door includes a rotatable latch which is pivotally connected to rotate between open and closed positions. The latch is actuated by a link and bell crank lever arrangement which also locks the latch closed in an over-center position. The bell crank lever is rotated by a linkage arrangement and biasing means on the bell crank lever holds the same in an over-center position.

Abstract: A railway car includes a central steering axle transversely movable on the car body in response to track curvature. Actuating members connected to the transversely movable axle include longitudinally extensible and retractable elements which steer end axle assemblies about vertical pivot axes, the actuating members and associated elements including helical gearing.

Abstract: A sliding door for a railway passenger car compartment includes structural panel support members of extruded material facilitating the assembly and replacement of parts and providing a construction which will support accessory portions of the door without the need of special fastening devices.

Abstract: A railway hopper car having doors movable downwardly and outwardly to a dump position is provided with an improved locking arrangement that includes a cam lever actuated by means of a push-pull link extending outwardly under the side of the hopper. The link is pivotally connected to a camming lever having a hinged latch element connected thereto. The latch element and camming lever are locked in a relatively angular position. The link arrangement upon actuation moves the cam lever and link to a substantially linear configuration thereby disengaging the latching element from the keeper member provided on the door structure.