LOADER FOR HOISTING SKYLIGHT ONTO ROOF
摘要:
An L-shaped track has a vertical part configured to stand on the ground, a horizontal part configured to span over a roof, and a curved part in between. A motor-driven winch moves a carriage up and down the track. The carriage engages a skylight, which can be quickly and easily hoisted from the ground to the roof up the track to the roof to install the skylight.
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