Patent ID: 6930419
Filing Date: 2005-08-16
Classification: H02K

Abstract:
1. A bar type vibration motor, comprising: a stator unit including a body of an integral double-pipe structure and a magnet attached to the body wherein the body includes a support tube, a bearing insert tube stepped out and extending forwardly from the support tube, a first outer wall folded back from the insert tube and a second outer wall stepped out and extending rearwardly from the first outer wall and around the support tube; a rotor unit including a rotary shaft having one end fixed to an eccentric weight, the rotary shaft being rotatably supported in the body via a bearing inserted into the bearing insert tube, and an armature fixed to the rotary shaft between the support tube and the outer wall and radially spaced from the magnet; and a power supply unit including a fixing cap fixed to a rear end of the outer wall of the body and brushes mounted on the fixing cap to supply a voltage to the armature.