Elevator System

Elevator platform system for common habitat which is operated electrically with gear, track and motor system. Considerations kept - 1. emergency egress path between floors maintained 2. hands-free movement of crew and cargo between floors kept, in case of carrying equipment 3. design prevents crew from falling between floors 4. design prevents crew from getting stuck midway in 0-g between floors 5. track for movement can act as emergency ladder, if need be for emergency evacuation 6. switches at each floor level can bring elevator to that specific floor 7. in partial gravity and 0-g, simultaneous vertical translation of multiple crew allowed.