HYDRAULIC CYLINDER

PROBLEM TO BE SOLVED: To provide a hydraulic cylinder not causing oil leakage by preventing a packing from being derailed even if a piston rod rotates relative to a cylinder tube and a rod cover is loosened. SOLUTION: This hydraulic cylinder includes a cylinder tube 31, a piston rod 32 slidably inse...

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Bibliographische Detailangaben
Hauptverfasser:	IWAKURA AKIRA, KURIMOTO SHINJI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a hydraulic cylinder not causing oil leakage by preventing a packing from being derailed even if a piston rod rotates relative to a cylinder tube and a rod cover is loosened. SOLUTION: This hydraulic cylinder includes a cylinder tube 31, a piston rod 32 slidably inserted in the cylinder tube, and a rod cover 33 screwed with a rod side opening of the cylinder tube and slidably and liquid-tightly holding the piston rod. A come-off prevention member 36 having a lock part 45 lockable with an outer end face of the rod cover is provided at the cylinder tube. COPYRIGHT: (C)2009,JPO&INPIT