| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for opening and closing a greenhouse, capable of extremely reducing an installation cost, ventilating a greenhouse in an ideal state and adjusting a temperature simply and readily, extremely easily winding a light transmitting film on a winding shaft or letting out the film. SOLUTION: This apparatus for opening and closing a greenhouse is equipped with a winding shaft 3 moving while winding a light transmitting film 2, with a rotation transmission device 1 for revolving the winding shaft 3 and stopping the winding shaft 3 at a rotating position and with an electric motor 6 detachably connected to the input shaft 10 of the rotation transmission device 1. The electronic motor 6 has a built-in secondary battery 17 and is a portable reversibly rotatable handy geared motor. The handy geared motor is connected to the rotation transmission device 1, the winding shaft 3 is moved while being rotated by the rotating transmission device 1 and the light transmitting film 2 is wound to open the greenhouse. The handy geared motor is reversely rotated and the wound light transmitting film 2 is let out to close the opening part of the greenhouse. |
