| 摘要 |
<p>The spring unit (1) has pneumatic spring rolling bellows (2) secured at a pneumatic spring lid (3) and a rolling piston (4), where the bellows, lid and the piston enclose a workspace (5) filled with pressurized air. The lid and the piston have rolling contours (8, 9), and the bellows are secured at the lid and the piston by forming rolling pleats (6, 7) such that the bellows are unwound at the contours during compressing and releasing of the spring unit. The contours are cylindrically formed in a working area (10), and rolling diameters (11, 12) of the lid and the piston are equal.</p> |
