Railway rolling stock – Trucks – Radial
Patent
1996-08-28
1998-05-05
Morano, S. Joseph
Railway rolling stock
Trucks
Radial
1052181, B61D 531, B61D 538
Patent
active
057461341
ABSTRACT:
A railway vehicle has a frame which is suspended on wheelsets each having a live axle. The ends of the axles are mounted in axleboxes. Couplings are provided which are attached to the vehicle frame and which couple an axlebox of one wheelset to an axlebox of another wheelset. The couplings are such as to constrain relative movements between the wheelsets in a lateral plane. In addition, each coupling includes a crank lever which operates to uncouple lateral movements of the frame from the movements of the wheelsets, thereby providing a shear stiffness to the vehicle and reducing vehicle hunting at speed. The crank levers are connected to the wheelboxes by links which are inclined with respect to a longitudinal axis of the frame, such that the links lie on axes which intersect at the longitudinal axis.
REFERENCES:
patent: 3528374 (1970-09-01), Wickens
patent: 3862606 (1975-01-01), Scales
patent: 4067261 (1978-01-01), Scheffel
patent: 4067262 (1978-01-01), Scheffel
patent: 4300454 (1981-11-01), Scheffel
patent: 4353309 (1982-10-01), Pollard et al.
patent: 4679507 (1987-07-01), Rassaian
patent: 4735149 (1988-04-01), Scheffel et al.
patent: 4765250 (1988-08-01), Goding
patent: 5263420 (1993-11-01), Schwendt et al.
patent: 5555816 (1996-09-01), Jones
patent: 5588367 (1996-12-01), Scheffel
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