Foldable step ladder with retrace system
grabcad
Retracted system is used to avoid interference between stuff and crew members with ladder. Retracting system is a combination between hydraulic cylinders and links. Ladder is designed as a foldable type to not take space during retracting.All system is retracted near ceiling to be far from crew and stuff.links and ladder components can be made of aluminum.three step files are attached each one show a different position of ladder system
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