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| Number | Title | Issue Date |
| 7255048 | Rail road car truck with rocking sideframe A swing motion rail road freight car truck is provided that does not have lateral underslung cross bracing in the nature of a transom, a frame brace, or lateral rods. The truck has a truck bolster and a pair of side frames, the truck bolster being mounted transverse... | 08/14/2007 |
| 6250232 | Running gear for a rail vehicle A running gear for a rail vehicle having sprung longitudinal members of plastic, connected to one another by means of a cross-member structure and at their free ends to axle-boxes for rail wheels. In order to obtain optimal stability of the wheelset guida... | 06/26/2001 |
| 5791258 | Railway truck with elastometric suspension A railway freight car truck is provided with an elastomeric suspension device between the bolster end and the sideframe bottom support. The elastomeric device is usually of a toroidal shape, and usually has a centrally located vertically extending opening... | 08/11/1998 |
| 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 |
| 4998997 | Side bearing unit for railroad car A top cap and housing cooperate to create an internal void wherein is located two elastomeric springs, one on top of the other. Two different solid stop systems are incorporated into the top and housing. An interlocking system also movably secures the top... | 03/12/1991 |
| 4825776 | Railway truck friction shoe with resilient pads The present invention provides a friction shoe for use in a railway freight car truck. The friction shoe consists of a cast metal body having a generally flat vertical surface adapted to abut a column on the truck side frame and sloped surfaces adapted to... | 05/02/1989 |
| 4760799 | Lightweight railway vehicle truck A railway vehicle truck in which the framing consists of sideframes resiliently supported at their ends on the axle bearings and a main frame supported on the sideframes by flat elastomeric pad devices inclined longitudinally of the truck and located at a... | 08/02/1988 |
| 4723491 | Secondary suspension for a rail vehicle truck A secondary suspension for a rail vehicle truck is arranged between a suspension support connected to the car body of the vehicle and a spring support. It comprises several spring groups, whose spring elements each have a set of coil springs held by an up... | 02/09/1988 |
| 4546706 | Equipment mounting structure for inside bearing railway car trucks For supporting equipment which must be maintained at constant height above the rails, such as third rail collection gear, on inside bearing trucks in which the truck frame is spring-supported from journal boxes vertically movably mounted in downwardly ope... | 10/15/1985 |
| 4352509 | Damped rubber tired vehicle suspension The suspension includes a moveable load arm assembly adapted to support a vehicle axle, at least one elliptical cross-section rod spring carried by the load arm assembly in load bearing relation with a vehicle body, a frictional damping surface connected ... | 10/05/1982 |
| 4282816 | Elastomeric railway suspension A vehicle suspension comprises an axle supported at each end by a respective axle box and respective spring means acting between each axle box and an associated rigid vehicle mounting. The spring means has an effective spring center which acts at a point ... | 08/11/1981 |
| 4136620 | Self steering railway truck A load-carrying railway truck having a longitudinal axis in its direction of travel and including at least one load-bearing member for supporting a load; a pair of live wheelsets supporting the load-bearing member, each wheelset being so mounted in the tr... | 01/30/1979 |
| 4109934 | Self-contained frictionally damped resilient suspension system A shock insulated suspension system is provided with unique variable rate rod springs and co-related variable rate friction damping means. Each rod spring includes an elongated solid body of elastomeric material which, when subjected to radially directed ... | 08/29/1978 |
| 4075950 | Railway locomotive truck with resilient suspension A two-axle motor driven railway locomotive truck having a large low positioned center plate supported on a transverse bolster mounted low between the axles and carried on the truck frame by a four element focalized elastomeric secondary suspension which a... | 02/28/1978 |
| 4013016 | Railroad car truck suspension system The present invention includes a suspension system for use with railroad freight car trucks, or the like, wherein vertical, transverse and longitudinal movements of the car body sprung mass are restrained and isolated from rail-induced excitations and dam... | 03/22/1977 |
| 3984125 | Self-contained frictionally damped resilient suspension system A mobile vehicle shock insulated suspension system is provided with unique variable rate elastomer springs and co-related variable rate friction damping system.... | 10/05/1976 |
| 3961584 | Railway car truck A truck is provided with a torsionally compliant transverse member connecting to transversely spaced side frames. The side frames are suspended on the axles by a spring suspension system of generally cylindrical elastomer elements and a combined damping s... | 06/08/1976 |
| 3952669 | Snubbed railway vehicle bogie A railway vehicle bogie has a primary stage suspension between the undercarriage and the axle boxes consisting of resilient chevron blocks having high vertical flexibility and transverse rigidity, and a second stage suspension between the undercarriage an... | 04/27/1976 |
| 3941063 | Truck side frame and bolster connection A freight car truck side frame-bolster connection which provides self-squaring or self-tramming forces by resilient means incorporated in bearing shoes that cooperate with the bolster ends and the side frame window opening to produce the desired results. ... | 03/02/1976 |
