Patent ID: 8072099

Claim:
A voice coil motor, comprising: a base comprising a bottom having a through hole defined therein, and a plurality of posts extending upwards from the bottom; a shell comprising a top having a through hole defined therein, and a plurality of sidewalls, the top and the sidewalls cooperatively defining a receiving space therein, the shell being mounted on the base with the posts being received in the receiving space; a plurality of first magnetic members positioned on the bottom of the base, each two adjacent posts having one of the first magnetic members located therebetween; a plurality of second magnetic members positioned on the top of the shell, each two adjacent posts having one of the second magnetic members located therebetween; a retainer defining a through hole therein; a coil of wire mounted on an outer wall of the retainer; a first resilient member and a second resilient member each comprising a plurality of fixing portions fixed to the posts, and a spring portion connected to retainer, the first and second resilient members being located on a top and a bottom of the retainer, and between the first and second magnetic members.