| 摘要 |
PURPOSE: A step apparatus for heavy construction equipment and forest equipment having a leveling system is provided to protect the step apparatus without collision with external obstacle by folding a step supporter and a foot step within a step protector. CONSTITUTION: A step apparatus for heavy construction equipment and forest equipment having a leveling system comprises a step protector(11) fixed to one side of an upper frame, a first step supporter(20), a second step supporter(30), a foot step(4), and an actuator(40). The first step supporter, the second step supporter, and the foot step are folded within a protector housing(10) installed in the upper frame when not using. The first step supporter, the second step supporter, and the foot step are exposed to the outside of a projector housing external wall(12b) when using. The actuator pulls or pushes one side of the second step supporter. |
