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| Number | Title | Issue Date |
| 5671684 | Railway car outlet gate assembly with automatic lock 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 plate in the frame. An integrated rack and pinion drive moves the plate between open and closed positions on the frame.... | 09/30/1997 |
| 5584251 | Railway car outlet gate assembly with automatic lock 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 plate in the frame. An integrated rack and pinion drive moves the plate between open and closed positions on the frame.... | 12/17/1996 |
| 5448955 | Gravity outlet latching mechanism A gravity outlet (10) for discharging lading from a railway car (C). An outlet assembly attached to a discharge opening in the railcar includes an upper end attached to the opening and sidewalls (12a, 12b) and endwalls (14a, 14b) whose bottom portion defi... | 09/12/1995 |
| 5353713 | Apparatus for controlling operation of a railcar discharge gate assembly having a lost motion mechanism for unlocking the gate prior to movement An apparatus for controlling operation of a railcar discharge gate assembly including a frame defining a discharge opening with a gate slidably arranged on the frame for movement along a predetermined path of travel between open and closed positions. The ... | 10/11/1994 |
| 4815773 | Door lock assembly for freight vehicles A door-locking assembly for securing the door of freight transporting compartment includes a bolt which is movable between a first, door-locking position and a second, door-unlocking position, and is additionally movable into a third, door-unlocking posit... | 03/28/1989 |
| 4599948 | Railway hopper gate locking assembly In accordance with the present invention a locking member is integrally connected to a transversely extending operating shaft. A handle is preferably provided on at least one end of the operating shaft. A locking lug and a tripping element are integrally ... | 07/15/1986 |
| 4598941 | Pilferage deterrent device for lading, carrying vehicles, such as boxcars and the like Pilferage deterrent device for box car, container or trailer doors of the type in which the device is toward the top of the door out of reach of a person standing on the ground, and only accessible to release the latch from the top, by a person standing o... | 07/08/1986 |
| 4534298 | Lock and seal for hopper outlet This disclosure relates to a frame adapted to be attached to a hopper car, a door plate slidably mounted on the frame, and an automatically engageable lock mounted on the frame adjacent the door plate and operable to hold the door plate closed when engage... | 08/13/1985 |
| 4382724 | Hopper discharge arrangement An enclosed railroad hopper car has a valve that controls the discharge of the commodity it carries. The valve is opened and closed by an operating mechanism that is subjected to vibration and inertial forces during transit. This can jar open the valve. A... | 05/10/1983 |
| 4295430 | Railway hopper car latch mechanism A door locking mechanism for a railway hopper car includes a rotatable latch or rotor member engaging a keeper on the door for releasably locking the same. The latch member includes abutment faces which are engaged in locking position by a spring loaded l... | 10/20/1981 |
| 4291631 | Railway car side discharge door locking arrangement The side discharge doors of a railway hopper car are maintained in a closed and locked position by a rotatable latch element which is engaged by a stop and lock member. The stop and lock member is connected to a linkage rigging arrangement which is moved ... | 09/29/1981 |
| 4252066 | Levered hopper door lock mechanism A lever operated lock mechanism for a hopper door is provided which is especially suitable for use on railway hopper cars having hinged double doors. Included in the lock mechanism is a hook assembly which is pivotally mounted on a housing secured to the ... | 02/24/1981 |
| 4244299 | Railway side door hopper car locking mechanism A locking arrangement for the side dump doors of a hopper car includes a pair of actuating levers projecting downward from the car engaging suitable trips mounted adjacent to the tracks which provides for longitudinal movement of a pair of latch bars whic... | 01/13/1981 |
| 4235169 | Door locking mechanism for side dump railway hopper cars An open top hopper car particularly adapted to transport logs and pulpwood products includes a car body having a central partition separating the car into a pair of hoppers which are open at their lower ends for discharging materials sideways and downward... | 11/25/1980 |
| 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 of the hopper structure and is connected to rotate with a... | 09/30/1980 |
| 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 |
| 4184432 | Hopper car door lock mechanism A lock mechanism for a hopper door is provided which is especially suitable for use on railway hopper cars having hinged double doors. Included in the lock mechanism is a hook which is mounted on an outside hopper sheet and which is pivotable for engaging... | 01/22/1980 |
| 4158996 | Locking arrangement for hopper car doors A locking arrangement for side dump discharge doors of a hopper car includes a keeper arrangement for receiving a rod type latch element with the keeper comprising a cylindrical housing containing a locking rotor. The rotor includes an open end slot which... | 06/26/1979 |
| 4138948 | Railway hopper car side door actuating mechanism 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 l... | 02/13/1979 |
| 4134344 | Railway hopper car door lock 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 li... | 01/16/1979 |
| 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 interlocked relation with the hooks of the locking mechan... | 10/10/1978 |
| 4112852 | Railway hopper car labyrinth gate seal A railway hopper car chute having a discharge opening defined by a sidewall frame with a sliding plate gate operating in the discharge opening. An undercarriage support frame is fixed to the sidewall frame to support the gate for sliding movements relativ... | 09/12/1978 |
| 4109963 | Dump body gate latch control system A gate latch control system for dump body vehicles includes a hoist control member positionable between lower, hold and raise positions, a hoist lock member, a latch position sensor and a gate latch member positionable between latch and unlatch positions.... | 08/29/1978 |
| 4099468 | Lock for a hopper car outlet gate In a railway hopper car a sliding gate is provided at the discharge opening of the hopper for discharging materials therefrom. The gate comprises a frame supporting a sliding gate member movable from a closed position to an open position by means of a rac... | 07/11/1978 |
| 4094254 | Lock for railway hopper car gate railway car gate lock A lock for a railway hopper car gate in which a hopper outlet chute defines a discharge opening with a siding platelike gate operating in the opening. An undercarriage structure having a pair of spaced side frames supports the gate for sliding movement re... | 06/13/1978 |
| 4006692 | Hopper car outlet gate and seal An outlet assembly for application to hoppers of railroad hopper cars and the like in the form of a frame made up of spaced pairs of longitudinal and transverse frame members joined together and shaped to define a continuation of the hopper car sheets, an... | 02/08/1977 |
| 3933100 | Hopper gate actuating mechanism This application discloses a sliding gate the top surface of which is tapered so that as it is closed the top surface will compress against a first elastomeric sealing means to eliminate lading leakage, and move away from the lading as the gate is opened,... | 01/20/1976 |
