| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems of a conventional joining method between a commutator piece and a ring varistor that continuity failure occurs and that the workability is not good, either. SOLUTION: In a motor which has a commutator 9 where a plurality of commutator pieces 10 are arranged in circumferential direction and in which the above ring varistor 13 and a coil wire 6 constituting a rotor are electrically connected to each commutator piece, each commutator piece is provided with a first riser 11 for performing the fusing of the coil wire and a second riser 12 to be joined with the ring varistor. COPYRIGHT: (C)2004,JPO
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