Title:
COMMUTATOR AND COMMUTATOR MOTOR
Document Type and Number:
Japanese Patent JPH09247904
Kind Code:
A
Abstract:
To provide a commutator in which the pop-up or undulation of a commutator segment does not occur even if it is rotated at a high speed and a commutator motor.
A protrusion 34 or recess part is formed integrally with a buried part 32 radially of a commutator 10 on the surface of the buried part 32 of each commutator segment 30 insert molded in a molded part 36. A locking force to a centrifugal force is increased by the protrusion 34 or recess to prevent the pop-up or undulation of the segment 30.
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Inventors:
TOYOSHIMA HISANORI
Application Number:
JP4872896A
Publication Date:
September 19, 1997
Filing Date:
March 06, 1996
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F04D29/44; H01R39/14; H02K13/00; H02K23/00; (IPC1-7): H02K13/00; F04D29/44; H01R39/14; H02K23/00
Attorney, Agent or Firm:
Yukihiko Takada (1 outside)