Invention Grant
US07690441B2 Blade device for working machine and working machine mounting blade device
有权
刀片装置用于工作机和工作机安装刀片装置
- Patent Title: Blade device for working machine and working machine mounting blade device
- Patent Title (中): 刀片装置用于工作机和工作机安装刀片装置
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Application No.: US12067151Application Date: 2006-09-05
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Publication No.: US07690441B2Publication Date: 2010-04-06
- Inventor: Norihisa Matsumoto , Tatsuo Wada
- Applicant: Norihisa Matsumoto , Tatsuo Wada
- Applicant Address: JP Minato-ku, Tokyo
- Assignee: Komatsu Ltd.
- Current Assignee: Komatsu Ltd.
- Current Assignee Address: JP Minato-ku, Tokyo
- Agency: Fish & Richardson P.C.
- Priority: JP2005-267787 20050915; JP2005-269124 20050915
- International Application: PCT/JP2006/317560 WO 20060905
- International Announcement: WO2007/032230 WO 20070322
- Main IPC: E02F3/76
- IPC: E02F3/76

Abstract:
Concave front face surfaces of a blade device having ratios and configurations continuing from an upper end to a lower end of the blade device, and having a central face coupling front faces and end front faces on the right and left thereof.
Public/Granted literature
- US20090178817A1 BLADE DEVICE FOR WORKING MACHINE AND WORKING MACHINE MOUNTING BLADE DEVICE Public/Granted day:2009-07-16
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