Electric power take off for electric train uses leaf spring stack for contact pick up, made of beryllium copper, high-quality non-rusting steel, bronze with leaves slit along their length by laser

摘要

The sliding contact consists of a group of leaf spring like elements (1) that are stacked. The leaf springs are of such as beryllium copper, stainless steel, bronze etc. and can be slit along their length by a laser. The end mounting of the contact is fixed to a carrier (4) fixed to a vehicle and power is supplied from the electrical power rail (3).