Dissuasive holdup device, has elevating mechanisms lodged in columns and vertically anchored to floor, where elevating mechanisms are related to each other by gas conduction units, and control unit normally fixed outside network

摘要

The device has a network formed in a floor, and a platform fixed in the floor. Elevating mechanisms are lodged in columns and vertically anchored to the floor. The elevating mechanisms are related to each other by gas conduction units. A control unit is normally fixed outside the network.