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| Number | Title | Issue Date |
| 7159520 | Amusement ride vehicle including an articulation joint An amusement ride vehicle includes a first vehicle section, a second vehicle section, and an articulation joint connecting, and providing rotational movement between, the first and second vehicle sections. The articulation joint comprises a first shaft for bearing l... | 01/09/2007 |
| 7150368 | Cushioning device having an electrically actuated lockout A rail car cushioning1 device is provided for connecting to a coupler. The rail car cushioning device includes an arrangement of a hydraulic cylinder, a piston assembly, and at least a valve assembly, which are configured with cooperating features to allow the devic... | 12/19/2006 |
| 7104508 | Spring loaded throw rod A rail switch is provided having an improved throw rod to enable testing with damaging the switch. The throw rod includes a housing on its length, with a piston and spring located within the housing. A locking pin locks movement of the piston during normal operation... | 09/12/2006 |
| 6681943 | Railcar draft gear assembly and system A draft gear assembly is disclosed alone and in combination with a draft sill and a coupler. The draft sill has front and rear stops defining a draft gear pocket. The draft gear assembly has a yoke, a coupler follower, a rear follower, a front resilient m... | 01/27/2004 |
| 6446820 | Railcar draft gear assembly and system A draft gear assembly is disclosed alone and in combination with a draft sill and a coupler. The draft sill has front and rear stops defining a draft gear pocket. The draft gear assembly has a yoke, a coupler follower, a rear follower, a front resilient m... | 09/10/2002 |
| 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 |
| 4040523 | Railway car cushioning device An end-of-car hydraulic pneumatic cushioning device for connecting to the coupler of a railway car having a piston mounted within a cylinder and a piston rod secured to the piston extending rearwardly from the cylinder. The piston divides the cylinder int... | 08/09/1977 |
