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Class 105/282.3 - Driven by rack and pinion


Subclass of Class 105 - Railway rolling stock
Definition: Door including means to force the door from/to open
No. of patents: 58
Last issue date: 10/26/2010


1    
NumberTitleIssue Date
7819067Hopper car gate with a curved door
A hopper car gate with a curved door for discharging cargo from a hopper car. The gate has coupled side walls and end walls which present a top opening, bottom opening, and upper surface surrounding the top opening and adapted to be joined to the hopper car. A curve...
10/26/2010
7814842Hopper car gate with a laterally opening door
A hopper car gate for discharging cargo from a hopper car having a length greater than its width. The gate has opposed generally upright side walls and opposed generally upright end walls coupled with the side walls. The coupled walls present a top opening and a bot...
10/19/2010
7793595Railcar gate assembly operating shaft assembly
A railcar operating shaft assembly mounted on a gate assembly frame for moving a gate between closed and open positions. The operating shaft assembly includes an operating shaft and a capstan assembly provided at each end of the operating shaft. Each capstan assembl...
09/14/2010
7367272Door 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
7367271Railway hopper car discharge gate
A railroad hopper car discharge gate is assembled from unitary stacked frames that provide unimpeded flow of lading during discharge. A low-wear glide system minimizes friction between the gate panels and other components of the apparatus, and an improved sealing sy...
05/06/2008
7252039Ballast 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
7252309Containerised 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
7234401Lock 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
7171908High/Low passenger ingress and egress conversion for transit vehicle
A passenger ingress and egress system within a transit vehicle having a stairwell employs a movable platform apparatus in combination with at least one door of a sliding or plug type to accommodate variations in passenger ingress and egress platform facilities. The ...
02/06/2007
7140303Lock 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
7124693Railway 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
7007614Expandable shelf
An expandable locker shelf is disclosed that can be placed between two substantially vertical members, such as in a locker. The expandable shelf includes a first section having a rack, a second section, and a lever arm having a pinion. The first and second sections ...
03/07/2006
6932433Hopper closure assembly and method of using same
A closure mechanism for a hopper bottom trailer which utilizes potential and kinetic energy of granular material in the hopper. The hopper closure assembly may have an angled member upon a gate that translates kinetic energy for moving granular material into longitu...
08/23/2005
6899038Railroad hopper car discharge gate assembly
A discharge gate assembly adapted to be secured in material receiving relation relative to a standard opening toward a bottom of a railroad hopper car. The gate assembly of the present invention satisfies AAR requirements and specifications and includes a rigid fram...
05/31/2005
6571718Railway 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 assem...
06/03/2003
6412422Gate 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
6412421Gate 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
6286437Railway car outlet gate assembly
An outlet gate assembly for a hopper type railway car includes a frame defining a discharge chute. Upper and lower gates are mounted in the frame. A compact rack and pinion opening and closing drive moves the upper gate between open and closed positions. ...
09/11/2001
6263803Gate 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
5829359Railway hopper car discharge gate assembly
A discharge gate assembly for a railway hopper car that satisfies the new AAR requirements and specifications and includes a frame defining a generally rectangular discharge opening with a gate slidably mounted on the frame for endwise horizontal movement...
11/03/1998
5671684Railway 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
5658116Bulk feed delivery system
A bulk feed delivery system includes a bulk body having a dispensing opening extending along a bottom end thereof; a pair of gates arranged adjacent the dispensing opening, the gates being movable between a first position to close the dispensing opening a...
08/19/1997
5613446Railway hopper car gate valve and operating assembly
A gate valve assembly and a frame assembly for mounting the gate valve assembly on the discharge opening from a railway hopper car. The gate valve assembly includes an operating assembly for movement of a valve member within the gate valve assembly betwee...
03/25/1997
5584251Railway 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
5507235Gravity outlet
A gravity outlet (10) for discharging lading from a railway car (C). An outlet assembly is attached to a discharge opening in the railcar. The assembly includes an upper end attached to the discharge opening, and sidewalls (14a, 14b) and endwalls (16a, 16...
04/16/1996
5448955Gravity 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
5404827Gravity outlet
A sliding gate type gravity outlet (10) is for use on railcars (C) for discharging a lading. A pan assembly (12) defines an outlet pan (14) having a flange (18) attached to the discharge opening and sidewalls (20) sloping downwardly from the flange. A bot...
04/11/1995
5353713Apparatus 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
5272987Lock 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
5263422Protected 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
5038966Hopper 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
4765517Valve arrangement with retainer bracket, for hopper car outlet gate
A railway hopper car has a pneumatic discharge structure having a throat leading to a control tube from which lading is pneumatically withdrawn. The throat is opened and closed by valve plates supported on the ends of rods extending through bearings suppo...
08/23/1988
4617868Railroad hopper car with self-contained discharge system
A railroad hopper car particularly adapted for shipment of dry, granular-like commodities may have its inner space divided into compartments which in turn are formed with chambers. Each chamber bottom includes a discharge system comprising a pair of align...
10/21/1986
4599948Railway 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
4534298Lock 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
4528913Gravity outlet sliding gate seal
The sealing assembly (10) of the present invention comprises a resilient sponge rubber tube (12) supported and retained by a metal bar (14) running through the tube and extending through slots (16) in the outlet side frame (18) terminating at each end in ...
07/16/1985
4475672Hopper discharge device
A hopper discharge device including a hopper with discharge opening, a pair of door support guides, a door slidingly engaging the guides for opening and closing the hopper discharge opening and a rotatable shaft with one or more sprocket wheels adapted to...
10/09/1984
4450773Sliding gate for a railroad hopper car
The slide gate includes a closure door for selectively closing a discharge opening at the underside of a hopper car. The closure door is mounted for horizontally sliding movement in a support assembly which is mounted on the underside of the hopper car. T...
05/29/1984
4388026Hopper 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 supported in slide bearings. The gate can be safely removed f...
06/14/1983
4382724Hopper 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
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