Patent ID: 8878401
Filing Date: 2014-11-04
Classification: B06B,H02K

Abstract:
1. A linear vibrator, comprising: a bottom case including a floor plate; a stator including a circuit substrate arranged on the floor plate and a coil block disposed on the circuit substrate and electrically connected to the circuit substrate; a trembler including a magnet facing the coil block and a weight coupled to the magnet; an upper case coupled to the bottom case to accommodate the stator and the trembler; and first and second elastic units extended from the floor plate of the bottom case respectively, the first and second elastic units being arranged perpendicular to the floor plate; wherein the trembler is coupled to the first and the second elastic units respectively; wherein each of the first and second elastic units includes fixtures extended from the floor plate of the bottom case, and a zigzagged leaf spring unit connected at both distal ends to each fixture; wherein the leaf spring unit includes a plurality of spring units mutually and vertical wherein a center spring unit in the plurality of spring units is coupled to a lateral surface of the trembler.