Railway rolling stock – Trucks – Bogie
Patent
1974-04-03
1976-06-08
Spar, Robert J.
Railway rolling stock
Trucks
Bogie
105199R, 105199F, 105206A, 105206R, 105224A, 1052241, 267 3, 308137, 308138, 308223, B61F 308, B61F 514, B61F 518, B61F 530
Patent
active
039615847
ABSTRACT:
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 system. Both springing and damping are generally exponentially variable relative to increases in the load in the railcar. A central pivot pin transfers lateral and longitudinal loads between the truck and the car body without transferring substantial vertical loads. The center pin mounting in the torsionally compliant member is compliant. Vertical loads are transferred between the car body and the truck by omni-directional vertically-incompressible low friction side bearings.
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Paton Hamilton Neil King
Skilling John B.
Beltran Howard
Spar Robert J.
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