MAGNETIC CIRCUIT

摘要

PURPOSE:To improve durability and safety of BTM by preventing a magnetic circuit provided on a magnet belt from falling from a profile. CONSTITUTION:The title circuit is provided with a yoke 7 whose outer-periphery part is covered with a profile 6 formed by the same material as that of a magnet belt and which has a collar part 70 at both edge parts and a magnet 8 secured to the yoke 7.