| 摘要 |
The compact escalator according to the invention is provided with stair steps on different levels, wherein the height of each step (2) is variable, the steps (2) contain a fixed lower (4) and a vertically movable upper element (3), a lifting device is between the lower (4) and upper element (3) and said lifting device is connected to a control unit provided with at least a direction switch. Said lifting devices are hinged joint type mechanisms (6). Said lifting devices are pulley block type mechanisms. The lifting devices are provided with electric motor (5). The lifting devices are provided with hydraulic or pneumatic cylinders (13). The lifting devices are provided with starter and dead-end switches. Said starter switches are activated by weight sensors.
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