| 摘要 |
The invention relates to a shift cylinder including a cylinder element having a working space, a first and a second piston received in the working space displaceably relatively to it, by which the working space is divided in a first working chamber capable of being charged with a working medium through a first port of the shift cylinder, a second working chamber capable of being charged with a working medium through a second port of the shift cylinder and a third working chamber disposed between the first and the second working chamber, including at least one spring member capable of being supported on the first piston on the one hand and on the second piston on the other hand.
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