| Patent Number |
Title Of Patent |
Date Issued |
| RE29299 |
Self sealing gate valve |
July 12, 1977 |
| .Iadd.A gate valve structure having a slab gate member and a pair of opposed seat assemblies on opposite sides of the gate member. The seat assemblies loosely fit in recesses in the housing and the dimensions of the gate member, seat assemblies and housing recesses are such that there |
| D317277 |
End segment of a railway car |
June 4, 1991 |
|
| D252870 |
Railway car truck |
September 11, 1979 |
|
| 5507235 |
Gravity outlet |
April 16, 1996 |
| 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, 16b) sloping downwardly and inw |
| 5329859 |
Increased strength railway tank for underframe construction and method with center sill pocket a |
July 19, 1994 |
| An underbody structure (10) supporting an end of a railway car body (B, B') cradled in a cradle pad (12, 12'). A center sill assembly (16) has first and second spaced apart side plates (18, 20) spaced to either side of the longitudinal centerline of the car body. A top plate (28) extends |
| 5314094 |
Cloth fluidizing membrane for hopper car outlet |
May 24, 1994 |
| A limp, porous membrane (18) is formed from a flexible sheet material (20). The membrane is used with a fluidized hopper outlet (10) containing a pulverant, particulate lading which is fluidized and unloaded via the outlet. A valve installed in the outlet, when open, extends substantiall |
| 5279395 |
Railway car brake system |
January 18, 1994 |
| An improved brake linkage system for a railway car, especially a hopper car, having an air cylinder actuated to move a cylinder lever. The cylinder lever is directly connected to a floating operating lever by a slack adjuster which can be made substantially shorter, lighter and less |
| 5277128 |
Railcar gravity multi-ply outlet seal for sliding doors |
January 11, 1994 |
| A gravity outlet valve (10) is for use on a railway car for discharge of lading from the car. The valve has sloping sidesheets connected together to form sidewalls (12a, 12b) and endwalls (14a, 14b) of the valve. An outlet (O) is defined by the lower end of the sidesheets and endsheets. |
| 5238333 |
Pneumatic outlet for railcars |
August 24, 1993 |
| An improved pneumatic outlet (10) is for use on a railcar (C) for discharging a lading from a hopper (H) of the railcar. The outlet comprises an integrally formed bottom cover (12) extending the length of the outlet. A pair of outlet valves (50A, 50B) are installed in the cover. The |
| 5236287 |
Pneumatic outlet |
August 17, 1993 |
| A pneumatic outlet (10) is for use on a railcar (C) for discharging a lading from a hopper (H) of the railcar. An improvement to the outlet comprises a bottom cover (16) extending the length of the outlet. This cover is severable into two sections (44A, 44B) one of which is reversible |
| 5178317 |
Welding method for pneumatic outlet bottom cover assembly |
January 12, 1993 |
| A method of creating a weld joint between two metal members (B1, B2). The members have coincidentally configured abutting edges (E1, E2), first surface (1A, 1B) which are adjacent to and on one side of the edges, and second surfaces (2A, 2B) which are adjacent to and on the other side of |
| 5076539 |
Tank car botton valve |
December 31, 1991 |
| A bottom outlet valve for a tank on a vehicle, especially for a railway tank car. The valve comprises a valve body including a valve seat, a valve stem spring biased toward the closed position against the seat and an operator assembly for mechanically opening and closing the valve stem. |
| 5076173 |
Lifting hook arrangement for railway tank car |
December 31, 1991 |
| An improved bolster assembly (21) is for use on a railway tank car (T). The assembly comprises a vertical web member (23) the upper end of which is formed to fit about the outer surface of the shell (S) forming the tank. The member has a lifting hook opening (41) formed therein adjacent |
| 5063858 |
Covered hopper railway car with drop bottom doors and substantially vertical outlets to maximize |
November 12, 1991 |
| A covered hopper railway car (10) for transporting difficult-to-unload ladings includes a pair of parallel, spaced apart side walls (12a, 12b) and opposed end walls (14a, 14b). A roof (16) covers the car and has an opening (18) therein for loading lading into the car. The bottom has |
| 5059072 |
Cushioned retractable hitch for railway cars |
October 22, 1991 |
| A trailer hitch (1) for use on a railcar (C) is movable between an erect position and a retracted position. A first strut (9) has its lower end pivotally mounted to the railcar. A second strut (25) has its lower end movable in a horizontal direction relative to the railcar. A hitch head |
| 5017065 |
Retractable railcar hitch |
May 21, 1991 |
| A retractable trailer hitch (1) for use on an intermodal railcar (C) supports an over-the-road trailer (T) of the railcar when the hitch is in its raised position. The hitch includes a hitch head (3) which is releasably securable to the king pin (K) of the trailer. The hitch head is |
| 5000358 |
Low profile pneumatic outlet |
March 19, 1991 |
| 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 AAR clearances. The low prof |
| 4944233 |
Hatch arrangement for covered hopper cars |
July 31, 1990 |
| A hatch cover assembly (1) for a railway car (C). A hatch cover (7) is hingedly mounted to a roof (R) of the car for pivotal movement of the cover to open and close a hatch. The axis about which hinging movement occurs is perpendicular to the center line (CL) of the car. A locking st |
| 4922833 |
End structure for railway car |
May 8, 1990 |
| An end structure for a railway car, and more particularly a covered hopper railway car, is disclosed which has side sill extensions extending diagonally inwardly from the ends of the side sills to the center stub sill for transmitting substantially all of the longitudinal, horizontal |
| 4890646 |
Flexible siphon pipe for tank car |
January 2, 1990 |
| An eduction or siphon pipe in a railway tank car extends from adjacent a bottom sump area to a fitting in a top area of the car. The railway tank car has a generally curvilinear inner wall, and the eduction pipe is provided with a shape corresponding to the generally curvilinear inner |
| 4884723 |
Hard gasket for retrofit installation on hopper outlet/hopper gasket outlet |
December 5, 1989 |
| A gasket for a hopper outlet is disclosed, particularly well-suited for use between the frame of the hopper and the frame of an unloading outlet for a railway hopper car. The gasket has a central metal frame carrying a pair of relatively hard, continuous elastomeric seals along each edge |
| 4880148 |
Fluidization kit for pneumatic discharge outlet |
November 14, 1989 |
| A fluidation kit for retrofit installation on a pneumatic outlet for a railway covered hopper car is disclosed. The outlet includes an outlet pan having downwardly sloping walls. The kit includes at least one air permeable fluidizing membrane on the inside face of the outlet pan wall to |
| 4875417 |
End structure for railway car |
October 24, 1989 |
| An end structure for a railway car, and more particularly a covered hopper railway car, is disclosed which has side sill extensions extending diagonally inwardly from the ends of the side sills to the center stub sill for transmitting substantially all of the longitudinal, horizontal |
| 4846377 |
Limp, porous membrane for a fluidized outlet |
July 11, 1989 |
| A limp, porous membrane of sheet (i.e., cloth) material for a fluidized outlet is disclosed. The outlet is in communication with a container, such as a hopper within a covered hopper railway car, containing a supply of particulate material for being fluidized and unloaded via the outlet. |
| 4805540 |
Center stub still railway tank car construction |
February 21, 1989 |
| A center stub sill railway tank car is disclosed having a generally cylindric, elongate tank. A center stub sill assembly is secured to the lower portion of the tank at each end thereof for transferring longitudinal train and lading loads between the tank and the center stub sill ass |
| 4768684 |
Gasket for hopper outlet |
September 6, 1988 |
| A gasket for a hopper outlet is disclosed, particularly for use with an unloading outlet for a railway hopper car. The car has hopper walls which slope inwardly and downwardly, and a hopper frame is carried by the lower portions of the hopper walls. The outlet has an outlet frame which m |
| 4723879 |
Elastomeric trailer hitch cushion for railway car |
February 9, 1988 |
| An elastomeric in compression trailer hitch cushion for an over-the-road trailer hitch, as mounted on a railway car, is disclosed so as to cushion against longitudinal loads transmitted between the railroad car and the trailer. This trailer hitch cushion serves as the hitch diagonal stru |
| 4718795 |
Unloading outlet assembly |
January 12, 1988 |
| The difference in the pressure drop in a pneumatic discharge conduit between at least one discharge outlet into the conduit and a point downstream of the discharge outlet caused by lading in the discharge conduit is used to control opening and closing of the lading outlet valve to au |
| 4696238 |
End structure for railway car |
September 29, 1987 |
| An end structure for a center stub sill railway car is disclosed in which diagonal side sill extensions incline inwardly from the side sills to the center stub sill side for transmitting the longitudinal train loads between the stub sill and the side sills with the side sill extensions |
| 4690071 |
Truss end structure for stub sill hopper cars |
September 1, 1987 |
| In a stub sill type railway hopper car the shear plate is eliminated and a truss arrangement is located in the end structure resulting in less weight. |
| 4677917 |
High volume covered hopper car with loading from below and automatic unloading |
July 7, 1987 |
| A high volume covered railway hopper car is disclosed which has vertical end walls so as to fully utilize the space over the trucks of the car for lading volume. An automatic pneumatic unloading system is provided so as to unload a pulverant lading from the end compartments or hoppers, a |
| 4646653 |
Corner fitting for open top railroad car |
March 3, 1987 |
| In a stub sill open top railroad car, such as a gondola or hopper car particularly adapted for coal service, a corner fitting or casting is provided at each end of the car joining the top chord extending along each side of the car with the end chord, the latter extending transversely of |
| 4641677 |
Coaxial operating rod and packing seal for top-operated, bottom outlet valve in railway tank car |
February 10, 1987 |
| A top-operated, outside unloading device for a bottom discharge railway tank car is disclosed. The tank car has an outlet valve in its bottom which is opened and closed by an operating rod connected to the valve and which extends up through the interior of the tank car. The operating rod |
| 4630981 |
Apparatus for restraining containers in a railway car |
December 23, 1986 |
| A railway car (10) for transporting containers of various lengths and widths, which are shiftable longitudinally, laterally, or both, within the car is provided. To restrain the various size containers a plurality of openings (52, 52', 54, 54', 56, 56', 58, 58', 60, 60', 62, 62') are for |
| 4618295 |
Plenum chamber flow restrictor and check valve |
October 21, 1986 |
| The flow restrictor (10) comprises a resilient and flexible porous membrance (12) over an air inlet port (18). In one embodiment an impervious member (130) is attached to the lower surface of the membrane over the air inlet port. The membrane balloons due to air flow through the inle |
| 4608931 |
Filament wound railway hopper car |
September 2, 1986 |
| A railway hopper car (200) includes a filament wound fiberglass car body having side walls (202, 204) integral with a roof (208), preferably also formed of a filament wound fiberglass. The fiberglass side walls are connected to longitudinally extending side sills (220, 222) preferably |
| 4599948 |
Railway hopper gate locking assembly |
July 15, 1986 |
| 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 connected to a movable gravity |
| 4598646 |
High volume covered hopper car |
July 8, 1986 |
| A high volume covered hopper railroad car is disclosed which maximizes the lading volume of a car while still utilizing smooth, sheet-like side sheets, and while remaining within AAR clearances. The high lading volume is achieved by forming the side sheets of the car from three radii of |
| 4568224 |
Fluidizing outlet assembly including internal trough |
February 4, 1986 |
| A hopper is provided having longitudinally spaced tapered end walls and transversely spaced tapered side walls. An opening is provided in one of the end walls and a discharge conduit is attached to the external surface of this end wall. On the internal surface of this end wall a discharg |
| 4563957 |
Car bottom-to-side sill connection |
January 14, 1986 |
| In accordance with the present invention a casting (60) is provided to connect the car bottom (40) to the side sill (10). A connecting plate (46) is provided to attach the casting (60) to the side sill (10). Preferably the side sill (10) is generally hat shaped and is reinforced with an |
| 4563117 |
Trailer hitch retainer pin retention apparatus |
January 7, 1986 |
| A railroad car (R) for hauling trailers (T) has a hitch assembly (HA) for securing the trailer. The hitch assembly includes a retainer pin (P) extending through a head portion (H) of the hitch assembly. A retainer (1) for retaining the pin in place and for facilitating its removal and |
| 4557661 |
Robot safety mechanism |
December 10, 1985 |
| In accordance with the present invention an industrial robot (10) having a lifting or gripping arm (16) is provided with electrical switch means (44) whereby if a work piece extends too far into the lifting or gripping portion the machine is automatically turned off. In accordance with |
| 4544306 |
Automatic unloading outlet assembly |
October 1, 1985 |
| The difference in the pressure drop in a pneumatic discharge conduit (5) between at least one discharge outlet (3) into the conduit and a point 9 downstream of the discharge outlet caused by lading in the discharge conduit is used to control opening and closing of the lading outlet valve |
| 4544072 |
Uncoupling device which complies with AAR specification |
October 1, 1985 |
| An uncoupling device (10) is provided with a handle (12) which is pivotably mounted on a bracket at the side of the car. The handle is connected to a bar (16) extending transversely of the car, at a level below a coupler extending out of a center sill. An uncoupling member (42) is slidin |
| 4543851 |
Torque application assembly for closure valve of a railroad hopper car outlet |
October 1, 1985 |
| A torque application assembly is provided comprising an operating shaft having a non-round connection portion. At least one metal washer is connected to the non-round portion of the shaft so as to be rotatable therewith. A resilient spring engages the metal washer, and a barrel nut i |
| 4528913 |
Gravity outlet sliding gate seal |
July 16, 1985 |
| 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 a retaining assembly (20). The se |
| 4498400 |
Hopper slope sheet support and connecting means |
February 12, 1985 |
| Large metal plates (120) located on each side of a railway hopper car are used to connect the hopper slope sheets (102, 104) to the car body sides (16) and longitudinally extending side sills (112). The large plates are generally "U" shaped and include legs (124, 126) which extend downwa |
| 4497258 |
Transverse bulkhead connection to filament wound vehicle body sides |
February 5, 1985 |
| Bulkhead supports (18) are integrally connected to opposite side portions of a filament wound hopper car body (16). The bulkhead supports include longitudinally spaced extensions (20, 22) extending inwardly from the car body sides. The transverse bulkheads (14) are located within the |
| 4489814 |
Hand brake arrangement |
December 25, 1984 |
| In accordance with the present invention, a hand brake assembly (300) is mounted adjacent one end of a first car or articulated unit (303). A force dividing assembly (306) is provided on the first car, which divides the applied hand brake into a first (313) and second (321) hand brake |
| 4479567 |
Vertical railway car air brake system |
October 30, 1984 |
| For application to railway cars having limited available transverse space for the brake system, a system of vertically extending brake levers and longitudinally extending brake rods is used to apply the air brake force to wheels located at opposite ends of the car. |
