Patent ID: 9352760
Filing Date: 2016-05-31
CPC Classification: B61F

Claim Text:
1. A railway vehicle steering truck designed to make it possible to steer a wheel axle of the truck, the steering truck comprising a wheel tread surface cleaning system comprising: a cleaning element mounted to a truck frame of the steering truck in a position facing a wheel tread surface, the cleaning element moving freely to come into contact with and to move away from the wheel tread surface, a pressing-load application spring which presses on the cleaning element biased toward the wheel tread surface, and a stopper for restraining the cleaning element from approaching the wheel tread surface, so that by utilizing a forward and backward movement of the wheel axle in the travel direction caused by steering, the cleaning element makes contact only on the inner rail side toward which the wheel tread surface approaches when passing through a curved section, whereas not making contact on the outer rail side from which the wheel tread surface moves away when passing through a curved section and when traveling through a straight section.