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Title:
COMMUTATOR STRUCTURE FOR SMALLLSIZED COMMUTATOR MOTOR
Document Type and Number:
Japanese Patent JPS5688650
Kind Code:
A
Abstract:
PURPOSE:To facilitate the mounting of a commutator piece by providing a key for retaining the piece at a commutator base. CONSTITUTION:Sector-shaped commutator pieces 11A-11C are disposed at equal interval on a commutator base 10 so that the adjacent portions thereof corresponds penetrating holes 10C. The pieces 11A-11C are engaged with a projection 10A, collar 10B and commutator piece engaging pawl 10b, and is engaged with the projection 10A by a ring-shaped rubber 16. A varistor 12 is so disposed on the back surface side of the base 10 that the core cutout portions of the risers 11A-1-11C-1 of the pieces 11A-11C correspond to the cutouts of the respective electrodes 12A- 12C of the variator 12. Thereafter, the ends of the commutator coils 9A-9C are interposed between the varistor and the cutouts of the pieces, and the armature coil and the varistor are connected to the commutator pieces respectively.

Inventors:
OOYAMA SADAKIMI
KAWAZOE KENICHIROU
Application Number:
JP16667179A
Publication Date:
July 18, 1981
Filing Date:
December 21, 1979
Export Citation:
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Assignee:
MITSUMI ELECTRIC CO LTD
International Classes:
H01R39/06; H02K13/14; (IPC1-7): H02K13/00
Domestic Patent References:
JP47042243U