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