B - Operations – Transporting – 61 – F
Patent
B - Operations, Transporting
61
F
105/76
B61F 3/04 (2006.01) B61F 5/10 (2006.01)
Patent
CA 1096704
18-P-5 SUSPENSION SYSTEM IN A RAILWAY CAR Abstract of the Disclosure A pair of mechanical springs are disposed on an air spring on each side of a truck carrying a car body. A wide plank disposed between the pairs of mechanical springs and each of the air springs is pivoted to permit vertical movements without tilting of the air springs when the mechanical springs are deflected laterally. Shock absorber means are connected between the car body and bolster along the longitudinal axis of the bolster to control lateral shocks as when the mechanical springs are laterally deflected. Mechanical springs in railway cars have employed pairs of mechanical springs in series with pneumatic springs. Multiple mechanical springs, in series with pneumatic springs, have included a heavy outer coil spring and an inner lighter coil spring coaxially nested with the heavy outer spring used to keep the stress levels on the individual springs relatively low. This arrangement is illustrated in a Patent 3,491,702 to A. G. Dean entitled "Series Pneumatic and Coil Spring Assembly". The series mechanical and air spring are desirable because the mechanical spring will still give support for the car if the air spring fails.
318933
Budd Company (the)
Fetherstonhaugh & Co.
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