| 摘要 |
PURPOSE: A weight rotating lamp bulb automatically revolves centroid by the weight and the direct direction is faced always. CONSTITUTION: The lamp(1) is composed of the port of a network, bracket(2), and bulb(3). The power supply port is attached to the wall, ceiling, or the upper plate, and the bottom of the shelf as buried. Bracket is assembled and attached in the power supply port to the spiral shape. Bulb installs between the supporting part(22) either side free end of bracket to prefabricated in order to be possible to rotate. |
