| 摘要 |
PCT No. PCT/SE83/00334 Sec. 371 Date May 15, 1984 Sec. 102(e) Date May 15, 1984 PCT Filed Sep. 22, 1983 PCT Pub. No. WO84/01192 PCT Pub. Date Mar. 29, 1984.In a cylinder with two-step movement there is in a housing (7) a first piston (6) which slides in contact with the inside of the housing. A second piston (10), which supports a piston rod (11), which moves sealingly through a first end-piece (8) also slides against the inside of the housing. In the second end-piece (9) of the housing, there is a pressure medium tube (12) passing through the first piston (6) and which extends with its end distant from the second end-piece (9) into, and is guided against the inside of the tubular piston rod (11).
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