It is designed to wind at leaves separately and unwind at cantilevered single shaft. Six-pieces design can provide a more balanced supporting, and ensure longer life air bag. From expanding of single air bag and leaves, shaft core will be clamped. The central body is made from steel or aluminium; leaves are made from aluminium. To meet our customer’special requirements, according to the drawings, we can make shaft head with all kinds of materials and surface treatments. Due to its unique clamp system, air bag can be replaced after withdrawing the shaft head without adopting special tools.
