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| Number | Title | Issue Date |
| 6817301 | Railroad freight car truck suspension yaw stabilizer Yaw stabilization device provides a light-weight mechanism for increasing the linear yaw stiffness levels between the side frame and bolster to provide the proper inter-axle shear stiffness without affecting the compliancy required of the vertical suspension system.... | 11/16/2004 |
| 6173655 | Side frame-bolster interface for railcar truck assembly An interface between the end of a bolster and a side frame column for a three-piece railcar truck assembly is disclosed. The bolster and side frame have several pairs of facing stop surfaces at the interface. Each pair of facing stop surfaces are at two d... | 01/16/2001 |
| 5921186 | Bolster land arrangement for a railcar truck A railway truck assembly has an arrangement for constraining the free travel clearance between the mated bolster and side frame at the side frame window, and more particularly for reducing or eliminating the clearance or separation gap between the bolster... | 07/13/1999 |
| 5417163 | Railway bogie with frame having selective deformability Sole-bars (1) bear on axles by elastic suspensions (12) with frictional damping. The bolster (18) bears by elastic blocks (32) on the lower side of a window (24) through each sole-bar. Each elastic block (32) bears on a face (31) of the sole-bar which has... | 05/23/1995 |
| 5351624 | Bogie for high-speed rail vehicles A bogie or truck for high-speed rail vehicles or railway cars includes an H-shaped bogie or truck frame, primary springs cushioning the bogie frame, and a lateral bolster being movable relative to the bogie frame, receiving a coach or car body and being c... | 10/04/1994 |
| 5275113 | Vehicle driven on rails A vehicle driven on rails includes a vehicle frame, a wheel set, a pivotable truck and at least one drive unit being disposed in the pivotable truck for acting upon the wheel set. An intermediate support is connected to the pivotable truck and to the driv... | 01/04/1994 |
| 5086708 | Railcar truck bolster with immobilized friction shoes Friction shoes are immobilized within the pockets of a railcar truck bolster by threaded pins that are inserted through apertures in the pocket walls and friction shoes and guided into the inboard pocket wall apertures by a concentric tapered surface with... | 02/11/1992 |
| 4974521 | Friction casting for a bolster pocket A friction wedge for use in a railroad car truck bolster pocket which has a slanted rear wall and adjoining side walls perpendicular thereto, one surface thereof adapted to bear against a portion of a car truck side frame and a slanted surface and adjoini... | 12/04/1990 |
| 4825775 | Railcar truck bolster with preassembled friction shoes Friction shoes are preassembled in each end of a railcar truck bolster by providing openings in the bolster and in the shoes and passing a restraining member through the openings at each bolster end and tensioning and securing the restraining members so a... | 05/02/1989 |
| 4637319 | Bolster friction shoe pocket A railway vehicle truck friction shoe pocket including a sloped wedge wall and longitudinally spaced depending walls of which at least one of the inner planar faces is provided with one or more relieved sections.... | 01/20/1987 |
| 4574708 | Damping mechanism for a truck assembly A damping mechanism for a truck assembly employing a resiliently mounted wedge to cooperate with a bolster in a manner to prevent wear. The damping assembly is biased outwardly and a friction plate employed between the wedge and bolster, further reducing ... | 03/11/1986 |
| 4491075 | Snubbed railway car truck A snubbed railway car truck including a side frame having a bolster opening defined by a pair of columns. A bolster end is disposed in the bolster opening. Resiliently biased friction shoes are provided with friction faces which engage friction faces of w... | 01/01/1985 |
| 4440095 | Wear member for railway vehicle A wear member for a railway vehicle is provided, the wear member having a U-shaped support that is provided with a bight and a pair of parallel legs and carrying on the bight thereof anti-friction polymeric material. The support is made of structural mate... | 04/03/1984 |
| 4380199 | Railroad vehicle pedestal wear liner A pedestal wear liner is described for attachment to a pedestal leg of a truck of a railroad vehicle having a journal box with a journal box wear plate facing the pedestal leg. The novel pedestal wear liner includes a unitary metallic support structure ge... | 04/19/1983 |
| 4370933 | Railway car truck bolster assembly A railroad car truck includes a pair of spaced side frames carrying therebetween a transversely positioned bolster. Ends of the bolster are positioned within a window formed in each side frame. A connection between the side frame and bolster includes an i... | 02/01/1983 |
| 4333404 | Reinforced railway pedestal liner A substantially U-shaped pedestal liner is provided for disposal between an associated pedestal leg and journal box of a railway pedestal truck and the liner is comprised of ultra high molecular weight polymeric material and has a reinforcing structure em... | 06/08/1982 |
| 4316417 | Welded side frame column wear plate A railway car truck having side frames with an opening for receiving the ends of a bolster, and spaced columns with removable wear resistant wear plates, secured thereto and retained by L-shaped retainers at the corners.... | 02/23/1982 |
| 4254712 | Railway truck side frame wear plate mounting A wearplate for a column of a railway freight car side frame is attached by fastener means to a column web and additionally is welded to top and bottom lugs of the column web by weld metal in recesses of said lugs and in recesses of the web which communic... | 03/10/1981 |
| 4248318 | Railway car truck load indicator This relates to a load spring indicator for a railway car truck for indicating the load condition of springs supporting the bolster on the truck side frame. A reference is carried by the bolster and an indicator is carried by the truck side frame. The bol... | 02/03/1981 |
| 4239007 | Railway truck pedestal liner A pedestal liner for a pedestal truck of a railway vehicle is provided wherein such pedestal liner is of roughly U-shaped configuration having a bight and a pair of parallel legs. A continuous uninterrupted backing material defining the bight and parallel... | 12/16/1980 |
| 4237793 | Railway truck pedestal liner A pedestal liner for a pedestal truck of a railway vehicle is provided wherein such pedestal liner is of roughly U-shaped configuration having a bight and a pair of parallel legs. A continuous uninterrupted backing material defining the bight and parallel... | 12/09/1980 |
| 4167907 | Railway car truck friction damper assembly A three-piece dampener assembly provides means to depress vertical and horizontal oscillations between ends of a bolster of a railroad car truck and side frames of the truck. This assembly includes a control or friction shoe having an outer vertical engag... | 09/18/1979 |
| 4092932 | Replaceable bolster gib arrangement A replaceable bolster gib comprises a U-shaped holder block fixed to the bolster, a trough-shaped wear shoe block having a pocket complementary to the holder block and mounted in embracing force transmitting relation thereon, and an interlocking means suc... | 06/06/1978 |
| 4084513 | Railroad car side frame construction A railroad truck side frame includes spaced tension and compression members connected by vertical columns. The tension and compression members, as well as the vertical columns, define a window and there is a bolster extending through the window. One side ... | 04/18/1978 |
| 4003318 | Reinforced bolster pocket wall A bolster for use in a stabilized railroad car truck has stabilizer pockets on each side of each end. Portions of the bolster adjacent the pockets extend above the bolster top wall. There are reinforcing means for each bolster pocket positioned generally ... | 01/18/1977 |
| 3939776 | Railway truck magnetic suspension An improved railway truck for providing non-contact active support between the unsprung and the sprung elements as well as lateral stability and banking of vehicles used in surface supported transportation systems having unsprung surface contacting elemen... | 02/24/1976 |
