| 摘要 |
PROBLEM TO BE SOLVED: To provide a vertically continuous window-type ventilation device capable of improving operability, and an opening device.SOLUTION: A frame body configured in a rectangular shape is vertically partitioned with an intermediate frame 10, and upper and lower sashes 13 and 14 are attached in an outward-opening manner to upper and lower frame parts 11 and 12 configured by being partitioned with the intermediate frame 10, respectively. The intermediate frame 10 is provided with a first operation part 15 for opening/closing the upper sash 13, and a second operation part 16 for opening/closing the lower sash 14. A first connection mechanism for converting an operating physical force of the first operation part 15 to a force for opening/closing the upper sash 13, and a second connection mechanism for converting an operating physical force of the second operation part 16 to a force for opening/closing the lower sash 14 are provided. |
