| 摘要 |
PURPOSE: A ventilating window having a frame structure in which a frame is foldable in three steps and a main frame is allowed to rotate in any one direction to an upper and lower frame from the center of a pin is provided. It is foldable in three steps, easy to operate and prevents the inflow of rain water into the inside of a vinyl house during rain. CONSTITUTION: The ventilating window comprises: a main frame(10) which is in the form of a square and has an edge formed with a groove(U); an upper frame(20) which has an edge formed with a groove(U) and is laid over the front upper part of the main frame; a lower frame(30) which has an edge formed with a groove(U) and is laid over the rear lower part of the main frame; and a fixing bracket(40) which has a though-hole(42) at the center part to fasten with a pin(50) to the center part of both sides of the main frame and an insertion groove(45) to fix each end part of the upper and lower frame to the corresponding position of the upper and lower part at the through-hole. Therefore, the main frame is allowed to rotate in any one direction to the upper and lower frame from the center of the pin. |
