Patent ID: 9197121
Filing Date: 2015-11-24
Classification: G02B,G03B,H02K,H04N

Abstract:
1. A VCM (Voice Coil Motor), the VCM comprising: a base including a first protrusion formed at an upper surface thereof; a housing disposed on the base and coupled to the first protrusion; a magnet disposed on the housing; a bobbin including a second protrusion protruded from a periphery of a lower portion of the bobbin, wherein a portion of the second protrusion is formed with a first groove, and the first groove is extended to a lower surface of the bobbin; a coil arranged at a periphery of the bobbin and facing the magnet, and supported by the second protrusion; an upper elastic member supporting an upper portion of the bobbin; a lower elastic member supporting a lower portion of the bobbin; a cover can covering the housing, and including a first upper plate formed with a first opening and a lateral plate extended from an edge portion of the first upper plate towards the base, and coupled to the base; wherein one end of the coil is connected to the lower elastic member through the first groove, and wherein the upper elastic member is spaced apart from an inner surface of the first upper plate of the cover can at a predetermined distance.