| 摘要 |
A commutator for a miniature motor having a permanent magnet field; comprising a commutator core having a commutator core flat portion, a cylindrical portion provided upright at the center of the flat portion, insert pieces provided in the opposite direction to the cylindrical portion; commutator segments having arc-shaped segment pieces disposed in contact with the outer periphery of the cylindrical portion, and commutator legs disposed along the commutator core flat portion; and a commutator washer engaged with the outer periphery of the arc-shaped segment pieces to fixedly fit the commutator segments to the commutator core; in which winding hooks (in the form of projections or lanced and raised pieces, for example) for hooking rotor windings are provided at predetermined locations of the commutator core flat portions on the sides of the commutator legs disposed in the abovementioned manner. |
