Video není dostupné.
Omlouváme se.
Pneumatic Vacuum Elevator Operation
Vložit
- čas přidán 23. 08. 2012
- The pneumatic elevator utilizes air pressure to lift the elevator cab. Turbines located at the top of the cylinder pull air out of the cylinder and draw the cab upward. Once the cab reaches the desired landing, mechanical brakes engage and the door unlocks.
One of the reasons you would need an elevator in a home would be the elderly. This needs to accommodate a power wheel chair to do even better in the market