HYDRAULISCHER ARBEITSZYLINDER, INSBESONDERE IN IM BERGBAU UEBLICHEN STEMPELN

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 lif...

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Bibliographische Detailangaben
Hauptverfasser:	PERA,FERENC,-BERGBAUING,DR, CZOMA,CSABA,-MASCH, JUN.,MATYAS MARTINKO, FENYO,JOZSEF,-TECHN
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EARTH DRILLING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GALLERIES HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TUNNELS WEAPONS
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Beschreibung
Zusammenfassung:	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.