The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 09, 2014

Filed:

Aug. 11, 2011
Applicant:

Ping-han Ku, New Taipei, TW;

Inventor:

Ping-Han Ku, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 41/035 (2006.01); H02K 1/27 (2006.01); H02K 1/18 (2006.01);
U.S. Cl.
CPC ...
H02K 41/0356 (2013.01); H02K 1/278 (2013.01); H02K 1/185 (2013.01);
Abstract

A voice coil motor (VCM) includes a fixed assembly and a movable assembly. The fixed assembly includes a fixed bracket and a coil group. The fixed bracket is substantially tri-columnar in shape and includes three sidewalls supporting the coil group thereon, and defines a first receiving cavity between the three sidewalls. The coil group is arranged on the three sidewalls. The movable assembly includes a movable barrel movably received in the first receiving cavity, and a magnet group. The movable barrel is also substantially tri-columnar in shape and includes three external surfaces. The magnet group is arranged on the three external surfaces of the movable barrel and spatially opposite to the coil group.


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