| 摘要 |
PCT No. PCT/AT95/00125 Sec. 371 Date Feb. 23, 1996 Sec. 102(e) Date Feb. 23, 1996 PCT Filed Jun. 21, 1995 PCT Pub. No. WO96/00160 PCT Pub. Date Jan. 4, 1996A device for operating switches includes a plurality of interlinked hydraulic switching devices (7) offset in the longitudinal direction of the rails. The first mechanical switching device is connected with a hydraulic cylinder/piston unit acting as a pumping element, the working volumes (13) of this first hydraulic cylinder/piston unit (7) acting as a pumping element being connected with the working volumes (13) of consecutive hydraulic cylinder/piston units (7) so as to be driven in same direction.
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