HYDRAULISCHER ARBEITSZYLINDER, INSBESONDERE IN IM BERGBAU UEBLICHEN STEMPELN

摘要

The essence of the hydraulic working cylinder according to the invention lies in that the head-part (2) has an extension (12) surrounding the end-section of the cylinder (5) and simultaneously guiding it, lifting cylinders (14) communicating with the pressure chamber (13) of the cylinder (5) and lifting pistons (3) arranged therein, and supports (9) fixed to the cylinder (5) and fitting to the lifting pistons (3) are contained, springs (4) are pressing the cylinder to the head-part (2) and in the head- part (2) bores (6) are formed for liquid discharge. <IMAGE>