| 摘要 |
PURPOSE:To surely prevent the occurrence of slippage and increase the safety at ascent/descent by enabling the bottom of the foot to be fixed surely to the floor at use of an ascending and descending tool, concerning the mechanism for stopping the slippage of the section contacting with the floor, for a simple indoor descending and ascending tool such as folding stairs, indoor ladder for ascending to or descending from an attic, etc. CONSTITUTION:This is a slippage stop mechanism for folding stairs (indoor simple ascending and descending tool) used in the specified position 1a on the indoor floor 1, and a first magnet 3 is provided at the bottom 2b of the foot 2a in contact with the floor 1 in the folding stairs 2. An electromagnet 4 being a second magnet is installed below the floor 1 in the installation position 1a of the fold type stairs 2. |
