| 摘要 |
The present invention relates to movable safety steps, which a worker can easily move and safely use when the worker works in high places. The present invention provides the movable safety steps, which is equipped with a suspension such as a stiffness spring or a gas cylinder in a caster of the safety steps: capable of increasing convenience in terms of the use and dealing of safety steps and increasing the safety and speed of work by implementing new forms of up and down movement and fixing methods; capable of making the safety steps go up and move by the climbing power of the suspension when the worker does not ride on the steps; and capable of making the safety steps go down and be fixed by the weight of the worker when the worker does not ride on the steps. |
