| 摘要 |
A pneumatic spring device (1) for limiting the impact response of a vehicle wheel is provided, with at least one piston-cylinder arrangement (2) which has a piston (3) mounted in an axially displaceable manner in an internal cavity (5) of the cylinder (4), wherein the cylinder (4) is closed at its end regions which face away from each other by end walls (6) which are arranged at a fixed distance from one another. The piston (3) is connected to a piston rod (7) which passes through the end wall (6) and is guided in a sealing manner in the latter, wherein working spaces (8, 8′) which are delimited from each other on both sides of the piston (3) by the piston (3) and are formed as piston space (8) and piston rod space (8′) , which are filled with a compressible medium. The working spaces (8, 8′) can be connected to each other by a connecting device (10). In order to allow a user to change his relative position with respect to the vehicle in a simple manner without the assistance of additional tools and, if appropriate, without having to leave his basic driving position, the spring device is configured in such a manner that the connection of the working spaces (8, 8′) can be controlled by an external actuating element (20), and the connecting device (10) automatically separates the working spaces (8, 8′) after displacement of the piston (3) by at least one predetermined spring deflection.
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