发明名称 WORKING DEVICE OF HYDRAULIC SHOVEL
摘要 PROBLEM TO BE SOLVED: To stably hold a hydraulic hose charging/discharging hydraulic oil to/from an working tool and improve reliability by providing a hose guide at a link of the tip side of an arm. SOLUTION: An attachment such as a bucket 13 is connected to the tip side of an arm 3 through a connection device 10, and links 6, 9 are provided at the tip side of a bucket cylinder 5. Further, a hydraulic hose 16 charging/ discharging the hydraulic oil from a hydraulic pump to/from a hydraulic cylinder of the connection device 10 is provided between the arm 3 and the connection device 10. The middle part is supported by a hose guide 20 provided at the link 6.
申请公布号 JP2000110198(A) 申请公布日期 2000.04.18
申请号 JP19980297654 申请日期 1998.10.05
申请人 HITACHI CONSTR MACH CO LTD 发明人 ASANO MASAO;YANAGIBASHI KENZO
分类号 E02F9/00;(IPC1-7):E02F9/00 主分类号 E02F9/00
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