Vibration motor

Details Vibration motor Vibration motor

2011-08-02

2011-08-02

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S0400MM, C310S06700R, C310S193000

Reexamination Certificate

active

07990002

ABSTRACT:
A vibration motor includes a rotary shaft, an armature core secured to the rotary shaft and having a plurality of salient poles, an armature coil wound around each of the salient poles except at least one salient pole, a frame serving as an outside cover, a plurality of magnets secured to the frame and having respective different polarities, and a weight adapted to rotate together with the rotary shaft and disposed eccentrically, wherein the weight is disposed inside the frame and secured to the armature core in such a manner that at least a part of the weight is inserted in a hollow provided in at least the one salient pole having no armature coil.

REFERENCES:
patent: 2004/0227418 (2004-11-01), Kim
patent: 2006/0138885 (2006-06-01), Uchiumi et al.
patent: 8-256449 (1996-10-01), None
patent: 11-289734 (1999-10-01), None
patent: 11-308817 (1999-11-01), None
patent: 2001070884 (2001-03-01), None
patent: 2005-102373 (2005-04-01), None
patent: 2005102373 (2005-04-01), None
patent: 2006-246588 (2006-09-01), None
Machine Translation JP2005102373 (2005) and JP2001070884 (2001).

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