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:
Feb. 02, 2016

Filed:

Jul. 16, 2014
Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Sangjun Min, Seoul, KR;

Sanghee Lee, Seoul, KR;

Hyuneo Yoo, Seoul, KR;

Seungki Kim, Seoul, KR;

Jinsuk Han, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); H02K 41/03 (2006.01); G02B 7/04 (2006.01); G03B 3/10 (2006.01); G03B 13/34 (2006.01); H02K 41/035 (2006.01); G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
G02B 7/04 (2013.01); G02B 7/02 (2013.01); G03B 3/10 (2013.01); G03B 13/34 (2013.01); H02K 41/031 (2013.01); H02K 41/0356 (2013.01); G11B 7/00 (2013.01);
Abstract

A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a cylindrical bobbin for accommodating a lens and protruded at a bottom end with a boss, and a coil block arranged at a periphery of the bobbin; a stator including a magnet facing the coil block and a yoke fixing the magnet; and an elastic member including a first elastic member formed with a through hole coupled to the boss of the bobbin and a second elastic member coupled to an upper end facing the bottom end of the bobbin; wherein the boss is formed with a disengagement prevention unit preventing the first elastic member from being disengaged from the boss, and the first elastic member is formed with a coupling unit contacting a joint where the disengagement prevention unit and the coupling unit meet.


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