Class 105/282.1 - Sliding

Subclass of Class 105 - Railway rolling stock
Definition: Doors operable along guideways, which may be comprised of
No. of patents: 33
Last issue date: 08/23/2011

Number	Title	Issue Date
8001908	Model vehicle with automated door mechanism A model vehicle, such as a model electric train, includes a model automatic door. The operation of the door is automated using a motor, drive train, and control circuit. A drive mechanism moves the door between open and closed positions. In the open position, the do...	08/23/2011
7752979	Hopper car gate with enlarged discharge and increased capacity A hopper car having an increased volume. The car has side walls, end walls, a bottom, and first and second sloping surfaces. The bottom lies at least partially in a horizontal plane and includes a plurality of spaced apart openings. The side walls, end walls, and ho...	07/13/2010
7367272	Door position indicating mechanism for a railcar A door position indicating mechanism for use with a railroad car. The mechanism includes a shaft which extends across the longitudinal direction of the car. An offset section of the shaft has a roller which contacts a lever which is shifted by an air cylinder when o...	05/06/2008
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
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
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
6966609	Apparatus for operating commodity trailer hopper trap doors An apparatus for operating first and second commodity trailer hopper trap doors is provided that includes a support frame extending between first and second ends, first and second driveshaft assemblies attached at each end of the support frame, a motor assembly atta...	11/22/2005
6412422	Gate assembly for a railroad hopper car A gate assembly for a railroad hopper car is disclosed. The gate assembly includes a frame defining a discharge opening, a slidable door mounted on the frame for movement between a closed position, wherein the door closes the discharge opening, and an ope...	07/02/2002
6412421	Gate assembly for a railroad hopper car A gate assembly for a railroad hopper car is disclosed. The gate assembly includes a frame defining a discharge opening, a slidable door mounted on the frame for movement between a closed position, wherein the door closes the discharge opening, and an ope...	07/02/2002
6263803	Gate assembly for a railroad hopper car A gate assembly for a railroad hopper car is disclosed. The gate assembly includes a frame defining a discharge opening, a slidable door mounted on the frame for movement between a closed position, wherein the door closes the discharge opening, and an ope...	07/24/2001
6024023	Hopper car gate A railway hopper car comprises one or more gates, which have a durable, abrasion-resistant, low-friction coating applied to the upper, load-contacting surface thereof to reduce breakaway opening torque. The railway hopper car is particularly useful in han...	02/15/2000
5402731	Actuator assembly An actuator for a railway car gate assembly unit of the type having doors slidably carried by door guides provided in the gate assembly unit. Pressure fluid actuated motors are coupled between the doors and fixed points on the railway car for effecting sl...	04/04/1995
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
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
5224761	Bottom dump front door latch A bottom dump trailer having a trailer body for accepting and hauling load material having a front and rear walls, opposing and parallel side walls and a floor formed by front and rear doors is disclosed. The sides of the front and rear doors are slidably...	07/06/1993
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
5086709	Sliding gate structure with dual linkage per single actuator arrangement A sliding gate structure for controlling discharge of material from openings defined at a lower end of a railroad hopper car. The openings are covered by a pair of gates which linearly move in guide tracks to discharge the material inside or outside of th...	02/11/1992
5060579	Sliding hopper outlet gate with plastic upper surface for smooth sliding and for sealing the outlet A hopper with a bottom discharge slot and valving comprising plates slidably supported beneath the slot and movable between closed and open positions, said plates having a plastic flexible covering to facilitate movement in shear against the load of the p...	10/29/1991
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
5038966	Hopper door closure A hopper which contains loose material, and a door and frame assembly for attachment to the bottom of the hopper, for controlling the flow of the loose material therefrom. The assembly includes a door frame formed of spaced side and end walls, and a cross...	08/13/1991
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 cubic capacity of the car while maintaining the car within...	03/19/1991
4941581	Convertible container and vehicle A convertible container has side walls, a rear door, front end walls sloping downwardly in the direction of the rear door, a floor commencing at the rear door, and a gated hopper lying between the floor and the front end wall. A movably mounted sheet has ...	07/17/1990
4491253	Container with butterfly valve A container for storing and discharging bulk material is provided with a bottom closure that includes both a butterfly valve and a sliding door, and provides an upwardly movable seal member and means on all four sides of the discharge passage for receivin...	01/01/1985
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
4365841	Gravity dump wagon This invention relates to bottom opening utility wagons in general and more specifically to a gravity dump wagon having a unique hydraulically actuated bottom opening arrangement wherein the closure members translate away from the hopper body in the horiz...	12/28/1982
4359176	Powered hopper door A power actuated closure assembly for controlling the discharge of materials from an opening in the bottom of a hopper, the assembly including a frame having a sliding door support portion with a power actuator support portion extending longitudinally the...	11/16/1982
4344365	Railway hopper car gate anti-friction seal A sliding gate for closing the discharge opening of a hopper having inclined side walls is mounted on elongated low-friction bodies or assemblies secured between the underside of upturned inclined side margins of the gate and the top sides of inclined sid...	08/17/1982
4324434	Grain carrying vehicle An improved grain carrying vehicle (10) is the subject of this application. The vehicle (10) includes a catwalk (54) formed between an oblique panel portion (42) of the vehicle carriage (34) and a generally horizontal fender panel (52). Additionally, the ...	04/13/1982
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 for opening and closing the hopper discharge opening is s...	04/13/1982
4248158	Railway hopper car gate outlet actuating mechanism An outlet assembly for application to hoppers of railroad hopper cars and the like, and slidably mounting a gate for movement between open and closed positions, in which the gate slideway is defined by trackway forming members disposed at either side edge...	02/03/1981
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
4075952	Scissor-type slide gate opener An apparatus for opening a gear activated scissor-type car pocket opener. The apparatus includes a shaft, slide members mounted on opposite outboard lengths of the shaft, links which fit into sockets connected to the gears of the opener and which are moun...	02/28/1978

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Class 105/282.1 - Sliding