| 摘要 |
PURPOSE: A vibrator equipped in the back of footwear is provided to enable a user to enjoy exercise through vibration and to continue the exercise. CONSTITUTION: A vibrator equipped in the back of footwear comprises: a casing having a working chamber; a vibration plate(220) in which a part thereof is fixed to the casing in the working chamber; a first magnet(230) attached to the vibration plate; a second magnet which is fixed to the upper part of the first magnet and applies repulsive force against the top surface of the first magnet; and a third magnet which is fixed to the lower part of the first magnet and applies repulsive force against the bottom surface of the first magnet. |
