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| Number | Title | Issue Date |
| 6951176 | Collision energy absorbing structure of vehicle Disclosed is a collision energy absorbing structure of a vehicle capable of relieving impact by using a tubular pipe member having equally-sized rectangular cross section and equal plate thickness and including no inside ribs and by adding a suitable trigger, and be... | 10/04/2005 |
| 6877623 | Elastomeric spring assembly for a railcar and method of making same 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 ma... | 04/12/2005 |
| 6357612 | Rail car cushioning device and method for positioning same A self-positioning cushioning device adapted to be mounted in the end of a rail car sill includes a hydraulic cylinder and yoke. A piston rod extends from the cylinder and is joined to one end of a yoke. The other end of the yoke is joined to a rail car c... | 03/19/2002 |
| 6199708 | Railcar cushioning device with internal elastomeric spring A railcar cushioning device with a gas charged cylinder and a piston contained in the cylinder for cushioning buff and draft impacts. An elastomer spring is contained in the cylinder between the piston and an end of the cylinder to locate the piston in a ... | 03/13/2001 |
| 6047839 | Rail car buffer A rail car buffer with a capsule body and a mechanical ring spring and a hydraulic spring arranged in parallel in the body. The hydraulic spring includes an internal reservoir to receive hydraulic oil displaced during collapse of the buffer.... | 04/11/2000 |
| 5746335 | Double acting center-of-car cushioning device A double acting center-of-car cushioning device mounted in the sliding sill of a rail car includes two pistons and rods, two pressure cylinders and mirror image sets of flow orifices in the pressure cylinders. The piston rods extend out from ends of the p... | 05/05/1998 |
| 5388711 | Rail car double acting piston shock absorber A shock absorber for use with a sliding center sill rail car utilizes an internal gas type spring. The shock absorber has a housing and a cylinder located in the housing that moves with the center sill. An annular outer chamber surrounds the cylinder with... | 02/14/1995 |
| 5360124 | Slackless buff gear connection system with sliding yoke casting A railway car connection system for a railway car having a center sill. Such connection system includes a sliding yoke. The sliding yoke having a front pocket portion open at a front end thereof. The front pocket portion is formed by a top wall portion, a... | 11/01/1994 |
| 5104101 | Buffer cartridge A buffer cartridge for absorbing energy having a hydraulic component coupled with an energy-absorbing material component, the hydraulic component having a cylinder-piston arrangement, the cylinder being surrounded by a stack of pads made from resilient en... | 04/14/1992 |
| 4506868 | Shock absorber for vehicular couplers Herein disclosed is a shock absorber which is to be used with a vehicular coupler. The shock absorber includes a shock absorbing frame which has a pair of shoulders. Further inclusive are a pair of follower plates which are adapted to be held to abut agai... | 03/26/1985 |
| 4364482 | Apparatus for cushioning shock forces acting on the underframe of a railway car A rigid draft and buffing sliding sill includes cushion elements operably attached thereto for absorbing shocks generated during buff or draft operating conditions. The draft and buffing sliding sill extends lengthwise of the underframe of a railway car. ... | 12/21/1982 |
| 4140304 | Resilient vehicle ride strut A vehicle ride strut includes first and second tubular housing members having open ends telescoped together. A compression spring is compressed by telescopic movement of the housing members relatively toward each other, and a snubber resiliently resists m... | 02/20/1979 |
| 4002244 | Buffer, particularly suitable for use in railway vehicles A buffer, particularly suitable for use in railway vehicles, comprising a cylinder including a movable piston and a buffer fluid contained therein, the buffer fluid formed of a very high-viscosity fluid such as silicone oil, and at the same time the cylin... | 01/11/1977 |
