| Patent Number |
Title Of Patent |
Date Issued |
| RE35925 |
Apparatus for controlling operation of a railcar discharge gate assembly having a lost motion me |
October 20, 1998 |
| 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 apparatus of the present inventio |
| D529828 |
Measuring tool |
October 10, 2006 |
|
| 7497170 |
Operating shaft assembly for railcars |
March 3, 2009 |
| A railcar operating shaft assembly including an operating shaft having first and second ends with a capstan provided at each end of the operating shaft. Each capstan defines an axis about which the capstan rotates and has first and second axially aligned end portions. One end portion |
| 7493865 |
Railcar door control apparatus |
February 24, 2009 |
| An apparatus for controlling discharge of commodity from a railcar having a hopper with at least two transversely spaced discharge openings and two laterally spaced and commonly joined pivotal doors arranged in registry with the two discharge openings. The control apparatus includes a |
| 7387075 |
Method for mounting a hatch cover to a railcar |
June 17, 2008 |
| A hinge structure including a universal adapter located toward one end of and for allowing the hinge structure to be pivotally connected to different stationary brackets having differing pivot axes. The universal adapter defines multiple openings disposed in spaced, generally parallel |
| 7338034 |
Elastomeric spring |
March 4, 2008 |
| An elastomeric spring including an elongated elastomeric body defining a longitudinal axis for the spring and having first and second longitudinal ends. An outer surface of the elastomeric body extends between the first and second ends and has four generally planar sides, with each plana |
| 7325499 |
Constant contact side bearing assembly for a railcar |
February 5, 2008 |
| A constant contact side bearing assembly configured for insertion into a walled receptacle provided on an upper surface of a railcar bolster. The side bearing assembly includes a housing assembly including a base and cap receivable within the open top walled receptacle on the bolster. Th |
| 7152534 |
Constant contact side bearing assembly for a railcar |
December 26, 2006 |
| A constant contact side bearing assembly configured for insertion into a walled receptacle on an upper surface of a railcar bolster. The constant contact side bearing assembly includes a housing defining a cavity. A cap is positioned by and overlies an end of the spring. The cap is mount |
| 7128312 |
Elastomeric spring assembly for a railcar and method of making same |
October 31, 2006 |
| An elastomeric spring assembly for a railcar apparatus is disclosed. The elastomeric spring assembly includes an elongated body of elastomeric material having a series of axially spaced members coaxially arranged and wholly embedded within the body of elastomeric material. The majority o |
| 7044061 |
Railroad car energy absorption apparatus |
May 16, 2006 |
| An elastomer spring element arranged in operable combination with structure for inhibiting localized heat deterioration of the elastomer spring element. |
| 7003850 |
Railroad car hatch cover hinge structure and method for connecting a hatch cover to a railcar |
February 28, 2006 |
| A hinge structure including a universal adapter located toward one end of and for allowing the hinge structure to be pivotally connected to different stationary brackets having differing pivot axes. The universal adapter defines multiple openings disposed in spaced, generally parallel |
| 6957611 |
Constant contact side bearing assembly for a railcar |
October 25, 2005 |
| A constant contact side bearing assembly configured for insertion into a walled receptacle on an upper surface of a railcar bolster. The constant contact side bearing assembly includes a housing defining a cavity and a spring. A cap is positioned by and overlies an end of the spring. The |
| 6899038 |
Railroad hopper car discharge gate assembly |
May 31, 2005 |
| 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 frame defining a ledge |
| 6877623 |
Elastomeric spring assembly for a railcar and method of making same |
April 12, 2005 |
| An elastomeric spring assembly for a railcar apparatus is disclosed. The elastomeric spring assembly includes an elongated body of elastomeric material having a series of axially spaced members coaxially arranged and wholly embedded within the body of elastomeric material. The majority o |
| 6862999 |
Railroad car energy absorption apparatus |
March 8, 2005 |
| A railroad car energy absorption apparatus is disclosed. The railroad car energy absorption apparatus includes a spring assembly having an elastomer spring element arranged in operable combination with structure for inhibiting localized heat deterioration of the elastomer spring element. |
| 6860530 |
Bar lock mechanism |
March 1, 2005 |
| A bar lock mechanism for releasably securing a pivoted door in a closed position relative to an opening in a walled enclosure and including an elongated shaft structure connected to the walled enclosure and defining an axis of rotation for the bar lock mechanism. A locking handle is |
| 6854775 |
Bar lock assembly |
February 15, 2005 |
| A bar lock assembly for securing closed a swingably movable door relative to an opening in a body of a vehicle or container. The bar lock assembly includes a one-piece member for selectively interconnecting a pair of axially spaced pivots fixedly secured to the body of the vehicle with t |
| 6827025 |
Hatch cover for a railroad hopper car |
December 7, 2004 |
| A hatch cover adapted to be positioned over and close a hatch opening on a railroad hopper car. The hatch cover includes a rigid panel sized to cover the hopper car hatch opening. The panel for the hatch cover includes an inner skin, an outer skin, and a core material sandwiched between |
| 6796448 |
Railcar draft gear housing |
September 28, 2004 |
| A railcar draft gear housing formed from an austempered ductile iron casting having an original shape and including an open end, a closed end, and wall structure axially extending between the housing's ends. The wall structure of the housing defines an axial section between and spaced fr |
| 6792871 |
Railroad car energy absorption apparatus |
September 21, 2004 |
| A railroad car energy absorption apparatus is disclosed. The railroad car energy absorption apparatus includes a spring assembly having an elastomer spring element arranged in operable combination with structure for inhibiting localized heat deterioration of the elastomer spring element. |
| 6637346 |
Railroad hopper car gate assembly and method of operating same |
October 28, 2003 |
| A railroad hopper car gate assembly is disclosed. The gate assembly includes a frame configured for attachment to a hopper body of a railroad hopper car in material receiving relation relative to an outlet on the railroad car and defines at least one discharge opening. A door assembly |
| 6604469 |
Apparatus for controlling operation of railroad hopper car discharge doors |
August 12, 2003 |
| An apparatus for controlling discharge of commodity from a railcar hopper car having a centersill and two laterally spaced door assemblies arranged in registry with two transversely spaced discharge openings on a hopper of the car is disclosed. The doors of the discharge door assemblies |
| 6520360 |
Housing for draft gear |
February 18, 2003 |
| A housing for a railroad car draft gear is disclosed. The draft gear housing has an axially elongated tubular portion comprised of layers. At least one of the layers of the draft gear housing is formed from a filament wound structure or composite material, and an additional layer may |
| 6488162 |
Draft gear for a reduced-slack drawbar assembly |
December 3, 2002 |
| A draft gear which has a wedge, two friction shoes, two tapered wear liners, a spring seat and a spring package. The wedge has surfaces which cooperate with surfaces on each of the friction shoes forming a first selected angle of about 40 degrees to the major axis of the draft gear h |
| 6478173 |
Railroad car draft gear having a long travel |
November 12, 2002 |
| A friction/elastomeric pad draft gear to cushion and absorb impacting forces on a railroad car coupler system. The friction/elastomeric pad draft gear includes a housing with a closed end and an open opposite end with a major axis extending therebetween. The open opposite end is prov |
| 6431084 |
Railroad hopper car gate assembly and method of operating same |
August 13, 2002 |
| A railroad hopper car gate assembly is disclosed. The gate assembly includes a frame configured for attachment to a hopper body of a railroad hopper car in material receiving relation relative to an outlet on the railroad car and defines at least one discharge opening. A door assembly |
| 6412422 |
Gate assembly for a railroad hopper car |
July 2, 2002 |
| 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 open position, wherein the door is |
| 6412421 |
Gate assembly for a railroad hopper car |
July 2, 2002 |
| 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 open position, wherein the door is |
| 6398314 |
Brake system for rail cars |
June 4, 2002 |
| A brake system for rail cars is disclosed. The brake system includes a first source for providing a braking force to a first and a second braking apparatus, a second source for providing a separate force to the first and a second braking apparatus, and a manifold for simultaneously deliv |
| 6363863 |
Gate assembly for a railroad hopper car |
April 2, 2002 |
| A discharge gate assembly for a railroad hopper car is disclosed. The gate assembly includes a frame defining a discharge opening and a gate or first element slidably carried on the frame for controlling the discharge of material from the hopper car through the discharge opening. The gat |
| 6357361 |
Assembly for closing a pneumatic discharge outlet |
March 19, 2002 |
| An assembly for selectively closing a pneumatic discharge outlet is disclosed. Such assembly includes a closure cap which, in a closed position, fits about and partially along to cover a free end of the discharge outlet and which is movable to an open position relative to the free en |
| 6341422 |
Method of manufacturing a railroad car apparatus |
January 29, 2002 |
| The present invention discloses a method for manufacturing an energy absorption apparatus including an elastomeric spring for a railroad car. The method involves the step of creating a predetermined wear condition in the elastomeric spring for the energy absorption apparatus preferably |
| 6264288 |
Brake system for rail cars |
July 24, 2001 |
| A brake system for rail cars which contains an air powered fluid system, a device for providing a separate source of brake force, and a manifold connected to the air powered fluid system and the device for providing a separate source of brake force; the manifold simultaneously delivers |
| 6263803 |
Gate assembly for a railroad hopper car |
July 24, 2001 |
| 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 open position, wherein the door is |
| 6250617 |
Shock attenuating apparatus |
June 26, 2001 |
| A compressible spring or shock attenuating apparatus is disclosed for axial insertion within an elongated hollow receptacle having a predetermined inner diameter. The compressible spring of the present invention comprises an elastomer body having an outer diameter and a pair of axially s |
| 6227124 |
Locking mechanism for a hinged railroad hopper car door |
May 8, 2001 |
| 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 car adjacent a discharge opening, |
| 6019049 |
Railroad hopper car door assembly |
February 1, 2000 |
| 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 discharge door being movable be |
| 5957441 |
Hourglass-shaped elastomeric compression spring |
September 28, 1999 |
| A compression spring formed from an elastomer member having a ratio of plastic strain to elastic strain that is greater than 1.5 to 1 is disclosed. The elastomer spring member defines an elongated axis between opposed ends of the spring and has a molecular structure. A periphery of t |
| 5868384 |
Composite elastomeric spring |
February 9, 1999 |
| A composite elastomeric spring having a predetermined final shape and including a first member of elastomeric material having a first durometer hardness and a second member of elastomeric material having a second durometer hardness is disclosed. The second member has a predetermined |
| 5853178 |
Bellowed seal |
December 29, 1998 |
| An improved seal or boot for inhibiting contaminants from interfering with operation of a mechanism having two flexibly interconnected components which axially extend from opposite ends of the seal. The seal is formed as a one-piece hollow and elongated body defining an enclosed cavity w |
| 5851476 |
Method of manufacturing a bellowed seal |
December 22, 1998 |
| An improved seal or boot for inhibiting contaminants from interfering with operation of a mechanism having two flexibly interconnected components which axially extend from opposite ends of the seal. The seal is formed as a one-piece hollow and elongated body defining an enclosed cavity w |
| 5845796 |
Elastomer spring/hydraulic shock absorber cushioning device |
December 8, 1998 |
| A railcar cushioning device includes an elastomeric spring and a hydraulic shock absorber member. The fluid accumulator is located outside of and above the fluid chambers. The accumulator is in communication with the fluid chamber in a non-stroked position, causing entrapped air to be |
| 5829359 |
Railway hopper car discharge gate assembly |
November 3, 1998 |
| 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 between opened and closed po |
| 5718543 |
Method and apparatus for processing a side bearing component for railroad cars |
February 17, 1998 |
| The present invention relates to an apparatus for consistently machining a side bearing component for railroad cars such that the components produced all have similar performance characteristics. The preferred method of the present invention includes the steps of: arranging a rectangular |
| 5676265 |
Elastomer spring/hydraulic shock absorber cushioning device |
October 14, 1997 |
| A railcar cushioning device includes an elastomeric spring and a hydraulic shock absorber member. The fluid accumulator is located outside of and above the fluid chambers. The accumulator is in communication with the fluid chamber in a non-stroked position, causing entrapped air to be |
| 5601031 |
Constant contact side bearing |
February 11, 1997 |
| An improved side bearing for installation between a railcar body and the bolster of the railcar track, said side bearing having an open cylindrical housing with a mounting plate, a top cap for vertically reciprocating within said cylindrical housing and a one piece compression spring |
| 5437232 |
Ballast plow assembly for a hopper-type railroad car |
August 1, 1995 |
| A ballast plow assembly adapted for connection to a frame of a hopper-type railroad car having a series of openings from which ballast is gravitationally discharged and which is supported for rolling movement over tracks or rails by a pair of wheeled undercarriages. The ballast plow |
| 5351844 |
Elastomeric spring unit |
October 4, 1994 |
| A compression spring formed of an elastomer having a ratio of plastic strain to elastic strain that is greater than 1.5 to 1, the elastomer having a having a projection extending through a metal plate and being cold formed into a rivet-like head to define a mechanical bond between the |
| 5335403 |
Method for making an elastomeric spring assembly |
August 9, 1994 |
| The present invention relates to a method and apparatus for making an elastomeric spring assembly comprised of first and second plates joined to opposite sides of an annular elastomeric spring member. The preferred method of the present invention includes the steps of arranging the first |
| 5326083 |
Compression spring with cone shaped frustums subject to compression set |
July 5, 1994 |
| A compression spring formed of an elastomer having a ratio of plastic strain to elastic strain that is greater than 1.5 to l and formed into a spherical body having cone frustums at each end to provide for a substantially constant spring rate over a major portion of its displacement. |
