| 摘要 |
A small and easily portable apparatus (10) for safely lowering an object or descending from a high elevation, comprising a drum (12) rotatably mounted o n a mounting frame (14); a securing device (42) for securing the mounting fram e to the object to be lowered; and a line (20) wound around the drum, having a n end for attachment to a fixed object at the high elevation; such that the us er may attach the line to a fixed object and safely lower the object or descend from the high elevation.
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