| 摘要 |
PURPOSE: A foldable pergola is provided to easily fold or unfold a shading film blocking the sunshine by using wire, pulley, winch, and the like. CONSTITUTION: A foldable pergola comprises a shaft(102) having a receiving space, a sliding plate, an assistant support(150), a handle(204), a first wire, a second wire, and a third wire. The sliding plate slides upward and downward on the top of shaft. The assistant support is connected to the sliding plate. The handle rotates clockwise or counter clockwise. The first wire slides a tension unit upward and downward according to the operation of the handle. The second and third wires slide the sliding plate upward and downward according to the movement of the tension unit. |
