PROBLEM TO BE SOLVED: To provide a descending instrument for stairs capable of stopping safely in the middle of stairs.SOLUTION: A descending instrument 1 for stairs includes a second movement regulation member 50 pivotally supported rotatably by a sliding member 10, capable of moving to a support position for regulating movement to a folding position of a support member 20 in the state where the support member 20 is positioned on a use position. The second movement regulation member 50 has a support end 50a for supporting the support member 20 from below in the moved state to the support position, and a projection end 50b projecting to a lower part than a pivotally supported position to the sliding member 10.COPYRIGHT: (C)2015,JPO&INPIT【課題】階段の途中で安全に停止させることが可能な階段用下降器具の提供。【解決手段】階段用下降器具1は、滑動部材10に回動自在に軸支され、支持部材20を使用位置に位置させた状態で、当該支持部材20の折畳位置への移動を規制する支持位置へ移動させることが可能な第2移動規制部材50を備えている。この第2移動規制部材50は、支持位置に移動させた状態で、支持部材20を下方から支持する支持端部50eと、滑動部材10に対する軸支位置よりも下方に突出する突出端部50bとを有している。【選択図】図4
