Hydraulic drive device for large hydraulic excavator

Details for Australian Patent Application No. 2007282459 (hide)

Owner HITACHI CONSTRUCTION MACHINERY CO., LTD.

Inventors Kakizawa, Kenji; Furuno, Yoshinori

Agent Griffith Hack

Pub. Number AU-A-2007282459

PCT Pub. Number WO2008/018538

Priority 2006-218870 10.08.06 JP

Filing date 9 August 2007

Wipo publication date 14 February 2008

International Classifications

E02F 9/22 (2006.01) Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups - Hydraulic or pneumatic drives

E02F 3/43 (2006.01) Dredgers

F15B 11/17 (2006.01) Servomotor systems without provision for follow-up action

Event Publications

19 March 2009 PCT application entered the National Phase

  PCT publication WO2008/018538 Priority application(s): WO2008/018538

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