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6644215 |
Worm drive mechanism for gear operated door
An anti-spin/anti-drift or stop mechanism for a railway car door includes a shaft, a helical gear mounted to a first end of the shaft, a helical drive rotatably cooperating with the gear, and a...
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5934200 |
Lightweight hopper car
A lightweight hopper-type rail car provides for a smooth exterior surface so as to minimize aerodynamic drag thereon when the car is in motion. The railcar includes a cross ridge arrangement which...
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5063858 |
Covered hopper railway car with drop bottom doors and substantially vertical outlets to maximize discharge area
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...
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5000358 |
Low profile pneumatic outlet
A low profile pneumatic outlet for a covered hopper railway car is disclosed which allows the bottom slope sheets of the hopper car to be moved downwardly closer to the rail thereby increasing the...
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4741274 |
Hopper door operating mechanism
A railway hopper car has longitudinally spaced hoppers on both sides of a center sill. The hoppers have door assemblies which may be opened and closed by a door operating mechanism. The door...
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4706854 |
Particulate material handling
Apparatus and method for containing and feeding particulate material tending to pack into a mass from an elongated hopper having opposed sloping walls converging downward and inward towards each...
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4688488 |
Automatic actuating and locking apparatus for the hopper doors of a railroad hopper car
Apparatus for actuating and locking the hopper doors of a hopper car of the type having a center sill of inverted U-shaped cross section and a plurality of hopper doors extending transversely of...
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4628825 |
Sliding gate actuating mechanism
An actuating mechanism for operating sliding gates of a railway hopper car which opens all the gates simultaneously, regardless of the direction which the gates must move to open. While moving in...
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4601244 |
Operating system for railroad hopper car gate assembly doors
A railroad car with a hopper-type body may include a series of gate assemblies for selective discharge of commodity in the car body. Each gate assembly may have two pairs of doors which rotate to...
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4583901 |
Gates for self unloading vessels
Apparatus for handling particulate material such as is stored in a hopper having an elongated throat opening closed by one or more gates. The gates are mounted at one end thereof from axially...
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4574989 |
Swing gates
In a hopper or the like wherein the flow of particulate material is controlled by a gate the improvement wherein the gate is mounted to be swingable towards an open position within the hopper so as...
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4388026 |
Hopper discharge outlet
An enclosed railroad car has hoppers at its underside for unloading a solid commodity. A pneumatic outlet trough is opened and closed by a slide valve or gate that is attached to operating rods...
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4366757 |
Actuating and locking means for the hopper doors of a railroad hopper car
An apparatus for actuating and locking each pair of hopper doors of a railroad hopper car of the type having a plurality of hopper doors arranged in opposed pairs and extending transversely of the...
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4361096 |
Railway hopper car door seal
Seals to prevent seepage of a fine granular commodity between the hopper doors and the adjacent hopper sheets of a railroad hopper car of the type having opposed pairs of hopper doors swingable...
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4324188 |
Hopper discharge outlet and method
A railway car hopper having downwardly and inwardly inclined side walls and end walls defining a rectangular hopper discharge opening is provided with a downwardly extending discharge chute. A gate...
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4228742 |
Railway car integral hopper structure
A vehicle hopper construction having longitudinally spaced hopper end slope sheets and hopper cross ridge slope sheets formed prior to assembly in the vehicle hopper so as to provide integral...
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4224878 |
Hopper car door locking mechanism
The locking mechanism comprises a clevis arrangement on a hopper door which is engaged by a jaw positioned centrally on a hopper structure. A locking bar is provided which extends to the outer edge...
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4207822 |
Hopper car outlet gate assembly
In accordance with the present invention a railway hopper car unloading arrangement is provided, including at least one hopper having hopper slope sheets extending downwardly and inwardly. A...
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4194450 |
Railway hopper car door operating mechanism
A door operating mechanism for a bottom dump hopper car including a plurality of transversely mounted bottom discharge gates arranged in oppositely opening pairs and operatively connected by...
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4119041 |
Locking mechanism for a pair of railroad hopper doors
A locking mechanism for a pair of hopper doors which are laterally spaced side-by-side transversely of a railroad hopper car. A specially designed locking pawl is provided for retaining the cams in...
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4036149 |
Fabricated hopper car outlet door frame
The door frame includes an upper frame member, a pair of Z-configuration side frame members secured to the upper frame member, a lower frame member, and a pair of Z-configuration corner fittings...
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3865046 |
HOPPER DISCHARGE GATE SEALING STRUCTURE
Hopper structure comprising a discharge unit including a closure gate with toggle mechanism having a gate-shifting link with one end pivoted to the gate near the central region of the gate, an...
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3838649 |
MOTOR ACTUATED RAILWAY HOPPER CAR DOORS
A railroad hopper car having air cylinder operated sliding gates mounted directly on the main hopper doors so as to permit the car to be used to lay ballast on the tracks in a controllable fashion...
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3837294 |
CAMMED RAILWAY HOPPER GATE LATCHING APPARATUS
A rotatable shaft is mounted along an end of a gravity outlet having locking means mounted thereon for engaging the end portion of the gate to hold the same in closed position. Also mounted on the...
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3815514 |
RAPID DISCHARGING HOPPER CAR DOOR ACTUATING MECHANISM
A mechanism for opening and closing a horizontally hinged door, such as on railroad hopper cars and trucks, having a tie-rod actuating means adapted to be rotatably mounted to a container, a...
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3807316 |
LINK SWINGING HOPPER DISCHARGE GATE ACTUATING MECHANISM
A swinging hopper discharge gate suspended by a pair of rotating link members and operatively connected with a crank and link actuating arrangement. The crank and link device includes an over...
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3780672 |
HOPPER GATE TOGGLE OPERATING MECHANISM
Mechansim for moving the gate of a material discharge chute which includes a toggle device actuated by applying a force at the joint between the toggle links. Such application may involve a...
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3776142 |
SPRING LOADED RAILWAY CAR HOPPER CAR DOOR
A spring assist unit for a discharge door of a hopper car or the like serving both as a spring loaded retaining door stop and an assist means for the closing of the door. The unit comprises an...
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3730106 |
DOOR OPENING MECHANISM
A hopper discharge arrangement for emptying the contents of a hopper and including a pivoted door disposed beneath the hopper and connected to a crank and link type of linkage mechanism. The crank...
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3712248 |
SPRING LOADED RAILWAY HOPPER CAR DOOR
A hopper door of the bottom opening type for a railway hopper car is spring loaded to assist in closing the door. The spring reacts between and is guided by telescoping shaft and cylinder members...
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3709152 |
HOPPER CAR GATE LATCHING MECHANISM
A transverse rotatable locking bar member carried on a hopper gate and having notched semicircular end portions mating in a similarly contoured locking block fixedly positioned alongside the...
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3675591 |
CHAIN ACTUATED RAILWAY HOPPER GATE
A hopper car including a plurality of longitudinally spaced discharge openings forming a trough type discharge arrangement having converging slope sheets which provide a plurality of spaces...
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3631812 |
FLEXIBLE HOPPER CLOSURE ACTUATING MECHANISM
Means is provided defining an opening to be closed. This opening may be a discharge outlet at the bottom of a railway hopper car. The closure means comprises a flexible closure member having fixed...
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3611947 |
TOGGLE HOPPER DOOR OPERATING MECHANISMS
A hopper structure includes a bottom discharge arrangement having hinged doors which are movable to open and closed positions and which include an operating mechanism providing for an initial...
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3596609 |
RAPID DISCHARGE HOPPER CAR DOOR ACTUATOR
Door-actuating means for use in a hopper car of the type having a plurality of hopper doors arranged in opposing pairs and swingable between a downwardly depending open position and a closed...
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3596608 |
HOPPER DOOR ACTUATING MECHANISM
This invention relates to a vehicle discharge arrangement for hoppers which may be carried by a railway car or other type of vehicle. Bottom doors are pivoted about a generally horizontal axis to...
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3581673 |
SCREW OPERATED LINKAGE MECHANISM FOR SLIDE GATE
Operating mechanism for a gate slidable between closed and open positions relative to the discharge opening of a hopper outlet assembly. The operating mechanism includes a rotatable threaded...
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3577932 |
EXTERIOR COVER ENCLOSING HOPPER GATE AND ACTUATING MECHANISM
A lower generally pan-shaped cover for fitting around the entire bottom discharge structure of a railway hopper car, such as a discharge structure having a gravity gate and a combination...
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3577680 |
CLOSURE-GATE-ACTUATING MECHANISMS FOR HOPPER DISCHARGE ARRANGEMENT
A hopper discharge outlet arrangement including a frame and a closure member slidingly movable horizontally relative to a hopper discharge opening, the closure member being moved by the rotation of...
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3561368 |
SELECTIVE HOPPER CAR GATE OPERATING MECHANISM
A mechanism for selectively operating a series of closure members in spaced alignment comprises a series of abutments carried on a shaft which is both longitudinally movable and rotatable about its...
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3511188 |
HOPPER OUTLET ASSEMBLY
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3509827 |
ALUMINUM RAILWAY HOPPER CAR
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3483830 |
SELECTIVELY ACTUATE CLUTCH CONTROLLED TOGGLE ACTUATED RAILWAY HOPPER CAR DOORS
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3440761 |
HOPPER DOOR OPERATING MECHANISM
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3405656 |
Oppositely swinging railway hopper valves
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3401645 |
Railway hopper car door sealing assembly
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3401644 |
Motor actuated railway hopper car door mechanism
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3391653 |
Gondola bottom door actuating and latching mechanism
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3385232 |
Resilient hopper door sealing means
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3373700 |
Railway car door operating mechanism
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