Railways – Truck in conduit
Patent
1995-11-20
1997-01-07
Oberleitner, Robert J.
Railways
Truck in conduit
104 53, 104242, 180401, B61F 1300, B61B 1202
Patent
active
055906052
ABSTRACT:
A transport system for moving along a track on a support surface. The system includes a body, a guide system and a powered self-steering caster assembly. The guide system cooperates with the track to apply lateral forces to the body to guide it along a predetermined path when a propulsive force is applied to the body. The powered self-steering caster assembly has a pivot joint and a wheel driven by a motor. The wheel has a center of rotation and is rotatably mounted to engage the support surface and roll in a forward direction. The pivot joint is mounted to the body to allow the wheel to pivot about a predetermined axis intersecting the support surface forward of the engagement between the wheel and the support surface. The wheel drives the body and pivots in response to frictional side slip forces between the wheel and the support surface without restraint from a steering linkage. An optional viscous damper mounted between the body and the caster assembly allows operation of the transport system at speeds in excess of those available without such a damper.
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Armstrong Daniel A.
Fredrick Ted W.
Salter Kenneth D.
Newburry Keith A.
Oberleitner Robert J.
Rutherford Kevin D.
The Walt Disney Company
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