OIL HYDRAULIC CRANE HAVING SCREW TYPE OIL HYDRAULIC ROTATING DEVICE

PURPOSE: An oil hydraulic crane having a screw type oil hydraulic rotating device is provided to obtain the sufficient rotary angle of a column part with reducing the volume of a rotating element and to improve the durability of the parts by preventing self-bending. CONSTITUTION: An oil hydraulic cr...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	EOM, HYEON SIK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CRANES HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS TRANSPORTING
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