Title:
WORKING MACHINE BLADE
Document Type and Number:
WIPO Patent Application WO/2003/091504
Kind Code:
A1
Abstract:
A blade with which various working machines are equipped, reliably increasing the amount of earth per tractive force by using a simple construction, thereby making it possible to reduce consumption horsepower, achieving increased fuel efficiency and cost reduction. The blade comprises a central front face plate (12) having a straight, first cutting edge (15) at the lower end, a connecting front face plate (13) having a second cutting edge (16) continued from the first cutting edge (15) and extending rearward at a predetermined angle, and an end front face plate (14) having a third cutting edge (17) continued from the second cutting edge (16) and extending forward at a predetermined angle. The first cutting edge (15) projects forward beyond the second and third cutting edges (16, 17). The second cutting edge (16) is longer than the third cutting edge (17).
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Inventors:
MATSUMOTO NORIHISA (JP)
TAMARU MASATAKE (JP)
TAMARU MASATAKE (JP)
Application Number:
PCT/JP2002/011787
Publication Date:
November 06, 2003
Filing Date:
November 12, 2002
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
MATSUMOTO NORIHISA (JP)
TAMARU MASATAKE (JP)
MATSUMOTO NORIHISA (JP)
TAMARU MASATAKE (JP)
International Classes:
E02F3/815; (IPC1-7): E02F3/815
Domestic Patent References:
| WO1993022512A1 | 1993-11-11 |
Foreign References:
| US5620053A | 1997-04-15 |
Attorney, Agent or Firm:
Noguchi, Takeo (Bandai Bld. 10-14 Kandaawajicho 2-chom, Chiyoda-ku Tokyo, JP)
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