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| Number | Title | Issue Date |
| 8127688 | Dual stage railroad hopper car door actuating mechanism A mechanism for controlling opening of doors on a hopper car underside. The mechanism includes a pair of stationary hook assemblies located outboard of a discharge opening and having a proximal end affixed to the hopper car and a distal free end. Each hook assembly ... | 03/06/2012 |
| 7305923 | Universal boxcar with exterior metal surfaces A universal boxcar is provided with exterior metal surfaces and load carrying capabilities of a conventional uninsulated boxcar and thermal transfer ratings of an insulated boxcar. The boxcar may be formed with interior dimensions corresponding generally with interi... | 12/11/2007 |
| 7261044 | Boxcar with load restraint system A boxcar and load restraint system are provided with improved load carrying capabilities and performance characteristics of uninsulated boxcars and insulated boxcars. An insulated boxcar with the load restraint system may have increased load carrying capacity, incre... | 08/28/2007 |
| 7234401 | Lock assembly for a gate assembly of a railroad hopper car A lock assembly for a railcar gate assembly including a frame defining a discharge opening, a gate mounted on said frame for sliding movements along a predetermined path of travel between open and closed positions and relative to the discharge opening, and a drive m... | 06/26/2007 |
| 7210413 | Universal boxcar A universal boxcar is provided with load carrying capabilities of a conventional uninsulated boxcar and temperature ratings of an insulated boxcar. The insulated boxcar may be formed with interior dimensions corresponding generally with interior dimensions of an uni... | 05/01/2007 |
| 7140303 | Lock assembly for a gate assembly of a railroad hopper car A lock assembly kit including components capable of being assembled to a railcar gate assembly including a frame defining a discharge opening and having a pair of generally parallel, free ended and stationary rigid racks extending from one end of the frame away from... | 11/28/2006 |
| 7080598 | Railway hopper car with longitudinal discharge openings A railcar with longitudinal discharge openings is disclosed. In one embodiment, the railcar includes an underframe, a pair of sidewall assemblies and a hopper formed between the sidewall assemblies. The underframe has a center sill and a pair of side sills. The cent... | 07/25/2006 |
| 7051661 | Railcar with discharge control system 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 longitudin... | 05/30/2006 |
| 6227124 | Locking mechanism for a hinged railroad hopper car door A locking mechanism for releasably and positively locking a hinged door of a railroad hopper car in a releasably closed position or condition is disclosed. The locking mechanism for each hinged door on the hopper car includes a lock carried on the hopper ... | 05/08/2001 |
| 6073562 | Railway car outlet gate assembly with compact inertial latch An outlet gate assembly for a hopper type railway car includes a frame adapted to be mounted on an outlet opening in the rail car and a gate in the frame. A conventional rack and pinion opening and closing drive moves the gate between open and closed posi... | 06/13/2000 |
| 6012397 | Railway car outlet gate assembly with inertial latch An outlet gate assembly for a hopper type railway car includes a frame adapted to be mounted on an outlet opening in the rail car and a gate in the frame. A conventional rack and pinion opening and closing drive moves the gate between open and closed posi... | 01/11/2000 |
| 5272987 | Lock for railway hopper car unloading gate The invention is a resilient lock for a gear drive railway car hopper gate. The lock prevents undesired opening of the gate and spilling of the contents of a railway hopper car. A resilient locking member is located between teeth of one gear and engages t... | 12/28/1993 |
| 5263422 | Protected gate lock for hopper cars Hopper apparatus for controlling the discharge of lading from a hopper of a railway car through an opening in which a door opens and closes the opening and is moved from the closed position to the opening position by rotatable gears and by racks attached ... | 11/23/1993 |
| 5261333 | Automated ballast door mechanism A discharge arrangement for dispensing the contents of a hopper. The discharge arrangement is particularly suitable for use as an automated ballast door operating mechanism on a railroad hopper car transporting ballast for use in roadbed restoration. The ... | 11/16/1993 |
| 5259324 | Gate retainer An improved retainer mechanism for retaining a gate relative to a frame has two spring bars and a pin. The spring bars may be attached to the frame. The pin may be attached to the gate. The spring bars are made of resilient material and each is shaped and... | 11/09/1993 |
| 5237934 | End cap gate sampling device The present invention is a control device that allows an operator to partially open a gate valve found at the bottom of a railway freight car hopper in order to obtain a sample of a flowable particulate or granular product contained within the hopper but ... | 08/24/1993 |
| 5046432 | Unloading gate for bulk material handling containers A gate mechanism for a bulk material handling container such as a railway hopper car. The gate mechanism comprises a chute attached to the bottom of the hopper and having a discharge opening, a frame attached to the side of the chute, a gate slide mounted... | 09/10/1991 |
| 4964348 | Drop end, open top rail car A pivoted drop end for a railway car which is adapted to be manipulated (lifted) by power equipment in the car to open or close the car end. The car end includes lower side posts, each having a cam follower running in a cam on the car frame which swings t... | 10/23/1990 |
| 4809873 | Neck frame for a container A neck frame for an opening to a container constructed to ISO specifications. The neck frame comprises a tubular member, a compensating flange and a second flange extending around the tubular member, all cast integrally of stainless steel. A lid is pivota... | 03/07/1989 |
| 4664038 | Door latch control apparatus for hopper vehicle A hopper vehicle has a hopper door movable between open and closed positions and carrying a door latch movable between latching and unlatching configurations with respect to a keeper on the hopper vehicle. A secondary latch on the door is pivotally movabl... | 05/12/1987 |
| 4542701 | Tamper-proof railroad hopper car door operating system A tamper-proof railroad hopper car door operating system for preventing operation of the doors when the auxiliary train line air pressure, and thus the locomotive engine, is removed. A directional control valve is provided through which air pressure is sw... | 09/24/1985 |
| 4351243 | Pivoted railway hopper car door latch A hopper car structure having a hopper body with a discharge opening at the bottom. A pivotally hung door having an arcuate base plate normally closes said opening and an arm is pivotally mounted on the door. A roller is carried by the arm on its free end... | 09/28/1982 |
| 4277215 | Articulate material transfer system An improved system for automatically transferring particulate material, such as coal, is provided wherein the particulate material is transferred from a railroad car into an underground storage bunker while maintaining the material in a substantially cove... | 07/07/1981 |
| 4262604 | Railway car roof hatch cover lock A mechanism for locking the lock straps of railway car hatch covers includes a pivoted lever which is clamped over the tongue of a lock strap. The clamping is achieved by means of a pivoted keeper member having a mouth portion engaging the ends of the lev... | 04/21/1981 |
| 4262601 | Cam actuated railway hopper car lock mechanism An arrangement for operating longitudinally disposed discharge door for a railway hopper vehicle includes adjacent pairs of interconnected hopper doors. The doors of each pair are connected by linkages to provide simultaneous, cooperative opening and clos... | 04/21/1981 |
| 4248159 | Pivoted railway hopper car door latching mechanism A latching mechanism for a railroad car hopper door. The mechanism includes, a pair of hook-like catches mounted adjacent the hopper door, a pair of latches carried by the hopper door for interlockingly engaging the catches, a pawl which engages one of th... | 02/03/1981 |
| 4224879 | Railway hopper car door latch An outlet gate assembly for a hopper car including a frame at the bottom of the hopper with a door plate slidable therein. A pair of laterally spaced racks extend cantilever fashion from one side of the frame. A transversely extending operating shaft, mou... | 09/30/1980 |
| 4009664 | Closure actuating device for railway hopper car doors A closure actuating device is disclosed for freeing rotation of discharge control doors for railway hopper cars of the type where the door assembly is supported for rotation about a pivotal axis parallel to and beneath the discharge opening in the railway... | 03/01/1977 |
| 4003585 | Logging truck tripping mechanism A device for pulling a trip cable in order to trip a lever with the cable. The device is particularly suited for pulling the trip levers of the bunk stake assemblies of logging trucks. Two of the present devices can be used together to trip both a front a... | 01/18/1977 |
| 3951077 | Railway hopper car door and latch actuating means A railway hopper car having bottom dump discharge openings include a bell crank arm which is pivoted by a camming arrangement positioned adjacent to track to an opened position whereby a load is discharged. An auxiliary latch is provided which in the norm... | 04/20/1976 |
