Platform lift, moved up and down by carriages suspended in belts wound around drum

摘要

The carriages (7) are moved up and down by actuator devices comprising a thin flexible belt (11, 12) in which the carriage is suspended. The upper part of the belt can be wound around a motor-driven drum (13). Two spaced apart vertical columns (1, 2) are each provided with a slot (6) along which a carriage can be moved.