Vibration motor having brushes with different osculatory tracks

Details Vibration motor having brushes with different osculatory tracks Vibration motor having brushes with different osculatory tracks

2007-02-20

2007-02-20

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S233000

Reexamination Certificate

active

10870466

ABSTRACT:
A vibration motor includes a stator assembly, a rotor assembly, a shaft and a pair of brushes having different osculatory tracks. The stator assembly includes a magnet and a lower substrate. The rotor assembly has an eccentric weight, and includes a commutator positioned on the lower surface thereof and a coil. The shaft is inserted into a rotary center of the rotor assembly for forming a rotary shaft of the rotor assembly.

REFERENCES:
patent: 5793133 (1998-08-01), Shiraki et al.
patent: 6522037 (2003-02-01), Lee et al.
patent: 6734594 (2004-05-01), Lee et al.
patent: 55-133651 (1980-10-01), None

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