LOCOMOTIVE UNDERFRAME TORSION SPRING Russian patent published in 2013 - IPC B60G11/23 F16F1/14 

FIELD: transport.

SUBSTANCE: invention relates to railway wheeled vehicles. Locomotive underframe torsion spring consists of lever, bar, splined and bearing supports. Lever contacts with body bottom and is rigidly connected with the bar. Said bar has sits ends fitted in splined and bearing supports. Said supports are mounted on bogie frame. Inner circular surface of bearing support has with high-pitch thread to engage with mating thread at slotted sleeve. The latter is rigidly attached to bar lever. Sleeve slots contact with similar slots at torsion bar end facing said lever.

EFFECT: simplified design, expanded performances.

2 dwg