Railway rolling stock – Trucks – Supplemental wheel
Patent
1985-12-27
1987-11-24
Scherbel, David A.
Railway rolling stock
Trucks
Supplemental wheel
B60F 100
Patent
active
047080663
ABSTRACT:
The combination highway and rail vehicle has front and rear sets of road wheels and front and rear sets of rail guide wheels. The rear set of rail wheels is pivotally supported on the main frame for up and down adjustable pivotal movement to predetermined positions, and for road travel is equipped with a pair of spare road wheels that are secured to the rail wheels for rotation therewith about a common axis. With the spare road wheels in ground engagement, the rear set of rail wheels or tag assembly is pivotally adjusted to urge the spare road wheels downwardly against the road surface to carry a portion of the rear axle vehicle load concurrently with transferring a further portion of the vehicle load to the front vehicle axle to distribute the gross vehicle load over the load carrying axles within legal and permissible load limits for road travel.
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Little Giant Crane and Shovel, Inc.
Lowell Rudolph L
Scherbel David A.
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