| 摘要 |
PURPOSE:To make walking up and down of staircases safe and smooth by providing an experimenting device which makes the conditions of the stairc landing, which is located in the middle of the staircases, as the best. CONSTITUTION:For the device which has turning section 1x and 2x located between upper sections 11a and 12a and lower sections 11b and 12b, plural number of turning staircases units 21, which have different shapes and sizes, are made in advance and select the best ones from those units and combine them with the turning sections 1x and 2x. Furthermore, for the straight staircases which have a landing section 1y between the upper section 12a and the lower section 11b, make the landing section movable so that the upper section 12a be closer of further from the lower section 11b. |
