Title:
BULLDOZER AND BLADE CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2014/136278
Kind Code:
A1
Abstract:
A bulldozer (100) comprises a blade (40), a blade operating lever (270), and a blade control unit (215). The blade operating lever (270) outputs a lower instruction signal, hold instruction signal, and a raise instruction signal for the blade (40). The blade control unit (215) automatically controls the height of the blade (40) with respect to a design surface and controls the height of the blade (40) in accordance with one of a lower instruction signal and a raise instruction signal when the same is input. The blade control unit (215) lowers the blade (40) to the ground (GL) when the lower instruction signal and the hold instruction signal are input in sequence after a transmission (12b) switches from a state that is not the advancing state to the advancing state.
Inventors:
ISHIBASHI EIJI (JP)
HASHIMOTO HIDEHIRO (JP)
YAMAMOTO KENJI (JP)
YONEZAWA YASUHITO (JP)
IMAMURA FUMIO (JP)
SHIMADA KENJIRO (JP)
HASHIMOTO HIDEHIRO (JP)
YAMAMOTO KENJI (JP)
YONEZAWA YASUHITO (JP)
IMAMURA FUMIO (JP)
SHIMADA KENJIRO (JP)
Application Number:
PCT/JP2013/064713
Publication Date:
September 12, 2014
Filing Date:
May 28, 2013
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E02F3/85
Foreign References:
| JP3516279B2 | 2004-04-05 | |||
| JPS61500449A | 1986-03-13 |
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
fresh green -- a global IP patent business corporation (JP)
Download PDF: