RODA DE SEGURANCA PROCEDIMENTO DE FABRICO DE UMA TAL RODA E BOGIE EQUIPADA COM UMA TAL RODA

摘要

Security wheel (8) for subway carriage bogie on pneumatic tires is placed between the bogie frame and a tire; the wheel comprises an outer zone including a braking portion (16) where the brake operates, and a guiding portion (18) radially projecting outward from the braking portion; the hardness of the braking portion is above the hardness of the guiding portion. An Independent claim is also included for manufacturing a security wheel.