| 摘要 |
The invention relates to design and operation of cable ladders used for people lowering or lifting. The technical result of the invention is in increase of ability for loading, reliability, decrease of weight and overall dimensions of cable ladders. This is achieved by that the rung of cable ladder is formed by cables that go in counter directions through aluminum tube at the ends of which steel eyelets with steel rings are installed, and the inner cavity of the tube is filled with epoxy tar. |
