Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 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 |
| 7252309 | Containerised handling of bulk materials and apparatus therefor A freight container (10) has a base (20) or a portion thereof that can be opened to discharge its contents. This container (10) has a top which can be opened in similar manner as the base. Another container having at least one compartment, each ... | 08/07/2007 |
| 7252039 | Ballast discharge car A ballast discharge car having at least one non-pivoting transverse conveyor disposed beneath a hopper for distributing the ballast between the rails, near the outside of the rails, and well beyond the outside of the rails in a stockpiling application. The speed, di... | 08/07/2007 |
| 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 |
| 7124693 | Railway car outlet gate assembly An outlet gate assembly has upper and lower gate assemblies with independent drive mechanisms to open and close the gates. The drive mechanisms may be rack and pinion drives. The racks for the lower gate do not enter the gate cavity. The outlet gate assembly can be ... | 10/24/2006 |
| 6957868 | Bottom dump farm cart A bottom dump trailer cart which includes a cargo compartment having a floor equipped with downwardly pivoting dumping panels is constructed such that the panels protect the wheels from the dumped cargo. The cart is capable of riding over the dumped cargo because of... | 10/25/2005 |
| 6955126 | Railroad hopper car longitudinal door actuating mechanism An actuating system for operating longitudinal doors of a railroad hopper car. The mechanism includes an operating member which is coupled to each end of the door set of the car by a shaft and a linkage which couples a power source to the operating member, where the... | 10/18/2005 |
| 6745701 | Angled cargo discharge gate A basket gate mechanism, including two opposed gate segments supported at its ends by pairs of different length arms interconnected by a mechanism to coordinate the movement of the segments which are opened and closed by a double acting hydraulic cylinder simplifyin... | 06/08/2004 |
| 6279487 | Railroad hopper car door assembly An apparatus for controlling discharge of material from a bottom dump railroad car having a centersill defining a longitudinal axis for the hopper car is disclosed. The apparatus includes a plurality of longitudinally mounted discharge door assemblies. Ea... | 08/28/2001 |
| 6257150 | Rapid discharge railcar door 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 ... | 07/10/2001 |
| 6019049 | Railroad hopper car door assembly A discharge door assembly for a bottom dump covered railroad hopper car is provided. The discharge door assembly includes a plurality of longitudinally mounted discharge doors arranged in end-to-end relation across a bottom of the hopper car; with each di... | 02/01/2000 |
| 5448954 | Discharge hopper 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... | 09/12/1995 |
| 5417165 | Self-clearing discharge door assembly for railroad ballast hopper car A railroad hopper ballast discharge door assembly includes pliant side panels along a discharge gate opening. The pliant side panels are strong enough to retain the ballast within the hopper when the door is closed, yet are flexible enough to yield when b... | 05/23/1995 |
| 5400718 | Loading wagon for transport, storage and discharge of bulk material 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 bas... | 03/28/1995 |
| 5163372 | Unit for actuating gates of a hopper railroad car One double acting cylinder is attached to the doors of a gate assembly via a linkage. A lock out system cooperates with the linkage whereby different parts of the linkage may be immobilized prior to the beginning of a work cycle. The work performed by the... | 11/17/1992 |
| 5119738 | Hopper construction 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 ... | 06/09/1992 |
| 4781125 | Drop bottom trucks or hoppers This invention relates to a hopper, and more particularly to a wheeled hopper for rail operation, including a container body which has a discharge opening in its underside, two doors which are pivotally connected to the body on opposite sides of its disch... | 11/01/1988 |
| 4762458 | Bottom discharge hopper 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 bias... | 08/09/1988 |
| 4740130 | Hopper A bottom discharge hopper the body of which is elevated at a tip by ramps so that doors on the underside of the body, which are secured thereto by links and which are pivotally fixed to upstanding structure on the chassis, open outwardly and downwardly to... | 04/26/1988 |
| 4669392 | Bottom discharge hopper rail car Bottom discharge hopper rail cars generally have a chassis on flanged wheels, and a hopper body mounted on the chassis and including transversely and longitudinally extending edges which border a discharge opening from the body. In the present invention, ... | 06/02/1987 |
| 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 |
| 4606276 | Motion retarder A motion retarder particularly useful for regulating rotary movement of a shaft, for example, includes an inner and outer tension unit carried on a bolt shaped rod. Arcurate end segments of a pressure member of each unit are positioned in an opposing mann... | 08/19/1986 |
| 4480954 | Bottom dump arrangement A bottom dump arrangement attached to a body which provides a goods-holding space, the body resting on an undercarriage and including at least one pair of adjacent doors having remote edges, the doors being pivotally attached at their remote edges for swi... | 11/06/1984 |
| 4454822 | Gate assembly unit for ballast distribution from railroad car A self-contained gate assembly unit for ready attachment to an outlet formed in a hopper-type railroad car allows distribution of ballast in the car to the roadbed below. With the car having outlets positioned over the rails on which the car is supported,... | 06/19/1984 |
| 4452149 | Gate assembly unit for hopper-type railroad car A hopper-type railroad car for transporting ballast used for roadbed restoration includes a set of bottom outlets for discharge of the ballast. Gate assembly units are installed over these outlets to provide regulation of the ballast discharge. Each unit ... | 06/05/1984 |
| 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 hopper car center sill. Each door actuating and locking ap... | 01/04/1983 |
| 4363702 | Apparatus for receiving incandescent coke To decrease a loss of coke due to burning and to prolong the service life of an apparatus for receiving incandescent coke and conveying the same to a quenching tower, between a wall structure (1) and lining plates (2) there is disposed a spacing member in... | 12/14/1982 |
| 4353312 | Bottom discharge hopper rail car A bottom discharge hopper rail car has a hopper body mounted on a chassis which is itself supported on flanged wheels. The body has a pair of downwardly converging, laterally spaced side walls with longitudinally extending lower edges which border a disch... | 10/12/1982 |
| 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 |
| 4337707 | Railway hopper car bogie A rail vehicle is disclosed which includes a bottom discharge hopper supported on an elongated, rectangular base frame. A bogie frame is provided beneath the base frame at each end thereof, the bogie frames carrying the vehicle wheels. Each bogie frame co... | 07/06/1982 |
| 4284011 | Restraint assembly for the hopper door actuator of a rapid discharging railroad hopper car A restraint assembly for the door-actuating means of a railroad hopper car. The door-actuating means is shifted by the piston of a fluid cylinder between door-closing and door-opening positions. The restraint mechanism comprises a first bracket mounted on... | 08/18/1981 |
| 4262603 | Door locking arrangement for railway hopper car A door locking arrangement for a railway car hopper includes a latch element and keeper assembly having camming surfaces which during gravitational opening of the door lift the latch element to a disengaged position. The locking is controlled by a longitu... | 04/21/1981 |
| 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 interior hopper corner plates with associated transversely spac... | 10/21/1980 |
| 4224877 | Railway hopper car closure actuating mechanism An apparatus for pivoting and locking a door on the bottom of a rail hopper car includes a locking mechanism for locking the door when closed and a lever mechanism for pivoting the door between closed and open positions. The locking mechanism and lever me... | 09/30/1980 |
| 4222333 | Railway hopper car closure actuating mechanism A discharge gate arrangement for railroad hopper cars having longitudinally extending discharge openings arranged in a horizontal plane beneath the hopper. Gate members arranged in pairs swing in opposite directions transversely of the car. Each gate memb... | 09/16/1980 |
| 4222334 | Hopper discharge door operating mechanism An operating mechanism for sequentially opening and closing hopper discharge door is provided. Longitudinally extending gates are arranged in pairs and are suspended from the hopper by hinge links at one end and by an operator arm located near the center ... | 09/16/1980 |
| 4207020 | Hopper car door latching arrangment An open top railway hopper car is provided with longitudinal center dump discharge openings closed by hinged clam shell type of doors. The doors include an arm and linkage arrangement pivoted to the hopper car structure for continually urging the doors to... | 06/10/1980 |
| 4077329 | Opening and closing means for hinged trough covers on hopper cars An elongated hatch opening in the roof of a hopper car includes a pair of hatch covers hinged on opposite sides of the hatch. A motor and operating mechanism supported at the end of the hatch reciprocates a pair of push-pull bars positioned within the hat... | 03/07/1978 |
| 3949681 | Motor actuated railway hopper car door mechanism A fluid motor actuating mechanism for railway hopper car doors includes a linkage arrangement which interconnects the doors to provide for opening and closing operation in concert. The doors are supported adjacent a discharge opening and are arranged to s... | 04/13/1976 |
