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| Number | Title | Issue Date |
| 7908974 | Railway bogies This invention relates to bogies for railway rolling stock. In particular it relates to suspension arrangements for such bogies wherein the frame is mounted on a spring suspension arrangement. In one embodiment the spring suspension arrangement comprises two groups ... | 03/22/2011 |
| 7448329 | Wheel set guidance assembly A wheel set guidance assembly is provided for suspending a wheel set bearing (10) of a wheel set (20) to a bogie frame (30), comprising separate vertical (50), lateral (70) and longitudinal (40) guidance elements for indepen... | 11/11/2008 |
| 7077066 | Axle guide The invention relates to an axle guide consisting of a fiber-synthetic material composite for guiding an axle in the running gear of a rail vehicle, in particular a high-speed rail vehicle. Said guide has two end sections (11, 11′) for connecting the guide ... | 07/18/2006 |
| 7066095 | Railway undercarriage with a radially adjustable wheel axles A rail vehicle undercarriage comprises a load bearing implement 1 in the form of the bogie frame of a two-axle bogie, wherein the load bearing implement 1 is supported on two wheel pairs 4, 4; 4, 4 by means of spring elements 2. One respe... | 06/27/2006 |
| 6119602 | Axlebox suspension system for bogie truck In a bogie truck for a railroad vehicle, provided is an axlebox suspension system in which respective wheelsets can make rotational displacement toward the center of a curve in the railroad at the time of passage of the truck through the curve in the rail... | 09/19/2000 |
| 6035788 | Bogie for rail vehicles A bogie for rail vehicles has a frame, two wheel sets connected with the frame and provided with bearings, a steering linkage for achieving radial adjustments of the wheel sets on curved tracks, springs disposed between the frame and the bearings of the w... | 03/14/2000 |
| 5893330 | Suspension apparatus Suspension apparatus for a mobile vehicle having a frame and a plurality of wheel units adapted to travel on rails. In a preferred form, the apparatus includes a housing member that is rigidly attached to the frame and corresponds to a wheel unit. The hou... | 04/13/1999 |
| 5632208 | Multi-axle railroad car truck A multi-axle railroad car truck or bogie is described as having two very important features; namely, a suspension and snubbing mechanism associated with each axle end to cushion, isolate and dampen vibrations imparted to the axles, and a device for mounti... | 05/27/1997 |
| 5611284 | Rail truck suspension and journal housing retention assembly A railtruck apparatus is provided for supporting a railcar body on two longitudinally spaced wheel and axle sets. The railtruck includes a frame having two side frame members, each defining a pair of longitudinally spaced cradles. A bearing housing is rec... | 03/18/1997 |
| 5479863 | Railroad freight car A railroad freight car includes a loading platform and two wheelsets, two double-axle running gears or two bogies, and cushioning is effected by leaf suspension springs suspended by links from spring brackets. The object of the invention is to provide a r... | 01/02/1996 |
| 5189962 | Axle box suspension with resilient elements adhered to the movable components such that all relative movement between the components occurs by deformation of the resilient elements There is provided an axle box suspension, having an axle spring, according to the present invention, wherein an axle box body is formed by providing an axle anchor rod at one end of the axle box, and the axle anchor rod is coupled to a truck frame through... | 03/02/1993 |
| 5131332 | Railway truck with steered axles and primary suspension A railway truck for a railway vehicle which has steerable axles has axle bearings supported by support pedestals. Each support pedestal is located longitudinally by a flexible bar element which aallows the pedestal sufficient vertical movement to accommod... | 07/21/1992 |
| 5090333 | Bogie for high-speed railborne vehicle The present invention pertains to a bogie for high-speed railborne vehicles, in which the wheel sets are guided on the bogie frame by double leaf spring wheel forks. Stable, quiet straight travel of the bogie over straight sections at top speeds and radia... | 02/25/1992 |
| 5083513 | Railway car bogie with axle bearings centered on bogie axle A railway car bogie has a bearing (11,12) at the center of each of the front and rear axles (2) and a pair of struts (13, 14) arranged in a V connected at one end to each bearing to define an imaginary center of rotation at or adjacent the center of the b... | 01/28/1992 |
| 5020446 | Three-dimensional single-wheel suspension for wheels of railed vehicles A three-dimensional single-wheel suspension for wheels of a railed vehicle, where a wheel unit, including a wheel, a wheel mounting, a non-rotating wheel carrier, and a drive and/or braking mechanism, is provided to execute steering and/or cushioning move... | 06/04/1991 |
| 4841875 | Suspension arrangement for rail vehicles A suspension arrangement for rail vehicles, including at least one pair of superimposed elastomeric shock absorbers, including a first shock absorber disposed between a first mandrel and a first bell-shaped member, and a second shock absorber disposed bet... | 06/27/1989 |
| 4699065 | Suspension for railway vehicles A suspension for a railway vehicle comprises a bearing assembly for rotatably supporting an axle journal of a wheelset of the vehicle, a fore-and-aft extending beam to which the bearing assembly is connected, a linkage comprising two lever arms pivotally ... | 10/13/1987 |
| 4676172 | Frameless radial truck A frameless self-steering radial wheeled support vehicle for a railroad car body includes: (a) a pair of wheelsets, (b) a support at opposite ends of each wheelset for independently mounting a railroad car body on each end of the wheelset, (c) resilient shear ... | 06/30/1987 |
| 4674413 | Truck for a railway car An outboard journal railway truck includes a journal bearing having an auxiliary structure with resilient elements attached thereto for carrying devices which are maintained in a fixed wheel to rail relationship. A primary suspension system having longitu... | 06/23/1987 |
| 4589346 | Axle stop arrangement for single axle wheel truck for a skeleton type railway car The wheel and axle assembly of a single axle wheel truck for a railway car is prevented from exceeding acceptable lateral and longitudinal movement with respect to fixed body portions of the railway car by an axle stop arrangement positioned laterally out... | 05/20/1986 |
| 4527487 | Suspension and coupling device between a bogie frame and an axle box Device for ensuring the vertical suspension of the chassis of a bogie and the longitudinal and transverse coupling of each box of the chassis in a driving or carrying railway bogie, comprising a vertical suspension spring through which the bogie frame is ... | 07/09/1985 |
| 4502391 | Railway track working machine equipped with a device for blocking the suspension of its axles A railway track working machine is equipped with a device for blocking the suspension of its axles, which device comprises, for each axle box a movable support sliding in a vertical guide fixed to the machine chassis and vertically displaced by a rod of a... | 03/05/1985 |
| 4469028 | Primary suspension system for a railway car with vertical and longitudinal compliance A primary suspension system for a railway car comprises one or more leaf springs configured to provide vertical and horizontal portions for vertical and longitudinal compliance. A portion of the leaf spring is curved to wrap around a portion on the wheel ... | 09/04/1984 |
| 4444122 | Primary suspension system for a railway car A primary suspension system is disposed between a journal bearing assembly carrying a wheel-axle assembly and a side frame of a railway truck. A rubber ring having cut-away portions or openings therein is bonded to inner and outer split metal rings. The i... | 04/24/1984 |
| 4444121 | Single wheelset railway truck rigid transom connected sideframes A railroad vehicle truck having a single wheelset includes a pair of spaced side frames. The side frames are joined into a rigid unit by a pair of transversely positioned transom cross bars. The cross bars are positioned one each on each side of the wheel... | 04/24/1984 |
| 4440094 | Fluid self-steering railway vehicle truck Leading and trailing wheel set assemblies of a railway vehicle truck are interdependently steered while traversing a curve by employing the longitudinal forces generated thereby to reposition rub plates which contact associated wheel set assembly journal ... | 04/03/1984 |
| 4433629 | Railway truck bearing mounting assembly The bearing housing of a railway vehicle includes a pair of stop members spaced from respective pedestals of the truck frame and engageable with such pedestals to absorb lateral thrust loads upon relative movement between the bearing housings and truck fr... | 02/28/1984 |
| 4417525 | Fluid self-steering railway vehicle truck Leading and trailing wheel set assemblies of a railway vehicle truck are independently steered while traversing a curve by employing the lateral and longitudinal forces generated thereby to reposition rub plates which contact associated wheel set assembly... | 11/29/1983 |
| 4413569 | Steering railroad truck A truck for a railroad car has a front and rear wheelset with axle ends rotatively carried in a front and rear steering arm, respectively. The steering arms are carried in pedestal jaws of a right and left side frame with resilient pads interfacing betwee... | 11/08/1983 |
| 4412602 | Braking system for railway truck A braking system for a railway truck including a pair of brake assemblies, each adapted to brake the wheels on opposite sides of the truck. Each of the brake assemblies includes a pair of crank members pivoted on the truck with brake shoes to engage the w... | 11/01/1983 |
| 4213399 | Resilient universal locomotive suspension Universally mounted wheelset where an axle housing suspension utilizes a rocking hinge principle to absorb shocks with limited up and down movement. A pair of swivel blocks are connected by trunnions to fore and aft ends of the axle assembly enabling rock... | 07/22/1980 |
| 4192240 | Pedestal roof wear liner A wear liner is provided for the roof of the pedestal jaw of a side frame. Movement of the wear liner relative to the pedestal roof is inhibited by projections extending upwardly from the lateral edges of the wear liner and/or depending legs which extend ... | 03/11/1980 |
| 4173933 | High speed bogie A bogie with a torsion-soft corner-stiff frame for high speed rail vehicles with a wear-resistant means interconnecting the central areas of the longitudinal beams of the bogie together with one wear-resistant means each interconnecting the longitudinal b... | 11/13/1979 |
| 4170179 | Railway vehicle steering truck The structural arrangement relates to a steering apparatus for rail vehicles which have a vehicle body, at least two trunks movably mounted to the body, at least two sets of wheels rotatably mounted in each truck by lateral wheel bearings. At least one of... | 10/09/1979 |
| 4166420 | Railway bogie emergency run guide assembly An emergency run guide assembly for the axles of a bogie frame for rail cars which have axle boxes and wich have spring leaf guide rods for the axle guidance of bogies which are secured at their one ends on the bogie frame and at their other ends on the a... | 09/04/1979 |
| 4103624 | Railway car truck side bearings A railway car truck assembly having an integral H-frame includes longitudinally extending side frames integrally attached to a transverse member having a center bearing. The side frames are resiliently mounted for rocking movement on truck journal boxes. ... | 08/01/1978 |
| 4091739 | Resilient single axle truck An undercarriage comprises a bogie frame, a bearing for each end of the wheel axle, and at least two coil springs and at least one hydraulic shock absorber mounted between the bogie frame and each axle bearing for damping movement between the bogie frame ... | 05/30/1978 |
| 4085682 | Vehicle shock absorbing articulated jointed suspension An axle housing has a longitudinal pivotal connection to the frame enabling it to rock about an axis extending generally longitudinally of the direction of movement of the vehicle. One of the fore and aft sides of the axle housing has a transverse pivotal... | 04/25/1978 |
| 4082043 | Fabricated railway car truck In a railway car truck a transverse member is provided including spaced sides and a member joining said sides to define a hollow portion having an open bottom such that the shear center is spaced upwardly from the neutral axis of the section. A truck cent... | 04/04/1978 |
| 4064809 | Articulated railway car truck There is provided an articulated four wheel truck for a railway freight car and the like, having independently rotatable wheels mounted at opposite ends of longitudinally spaced apart axle bolsters. A span bolster connects and mounts the axle bolsters for... | 12/27/1977 |
