Emergency spring system for a railway car

Details Emergency spring system for a railway car Emergency spring system for a railway car

B - Operations, Transporting

61

F

105/75

B61F 5/06 (2006.01) B61F 5/04 (2006.01) B61F 5/14 (2006.01)

Patent

CA 1179199

ABSTRACT OF THE DISCLOSURE Emergency springs are disposed within air springs which are used for normally supporting a railway car body. When the air springs fail, the car body is supported by the emergency springs. Each of the emergency springs includes a conventional linear characteristic spring in parallel with a pair of toggle springs. The toggle springs together have a sinusoidal spring resis- tance characteristic. The combined spring effect is that there is an initial high spring rate portion followed by a low spring rate operating range and a final high spring rate portion.

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