| 摘要 |
Abstract MACHINE ACCESS SYSTEM An access device for a mobile machine that includes a platform, an upper, fixed position ladder extending downward from the platform, and a lower ladder pivotally connected to a lower end of the upper ladder, the lower ladder having a rail arm that extends from a rear face of the lower ladder that is connected to a push arm that extends above the platform, wherein a downward force on the push arm pivots the lower ladder from a lowered to a raised position. A latch mechanism may be provided on the push arm, the push arm connected to a pivoting striker arm such that downward movement of the push arm causes the striker arm to pivot upward to engage the latch. cov co~ |
