Silicon-containing steel element for bicycle generator hub, is wound into roll in one piece from thin metal plate, arranged about wheel axle and inserted into stator with single cylindrical fixing bore

摘要

The silicon-containing steel element (10) is wound in one piece from thin metal plate (11) to form a roll. The silicon-containing steel material is arranged about a wheel axle and inserted into a stator with a single cylindrical fixing bore. The metal plate of the material can be fixed in a stable manner by welding, ultrasonic welding or similar technique.