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:
Oct. 07, 2014

Filed:

Jun. 26, 2012
Applicant:

Tai-hsu Chou, New Taipei, TW;

Inventor:

Tai-Hsu Chou, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A voice coil motor includes a base made of plastic or resin, a stator, a moving and a shell. The base includes a mounting surface, assembling surfaces, and protrusions extending from at least one of the assembling surfaces. The stator includes a rack and magnets. The rack is mounted to the mounting surface. The moving unit received in the rack. The shell includes a top plate and side plates extending from the top plate. The shell defines at least one slot. Each slot is positioned at a joint between two neighboring side plates. At least one side plate defines mounting holes. The base, the moving unit, and the stator are accommodated in the shell. Each protrusion passes through a mounting hole and is heated to form a head portion. The head portion is positioned outside the shell and has an outer diameter greater than a diameter of each mounting hole.


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