Title:
BLADE CONTROL SYSTEM AND CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2013/047181
Kind Code:
A1
Abstract:
A blade control system, comprising: an angle acquisition unit that obtains an angle relative to a lift frame design surface; a degree-of-opening determination unit that determines the degree of opening on the basis of the angle; and a lift cylinder control unit that raises the blade by opening a proportional control valve in accordance with the degree of opening, in the event that the distance between the design surface and the edge of the blade is no more than a threshold value.
Inventors:
HAYASHI KAZUHIKO (JP)
OKAMOTO KENJI (JP)
SHIMADA KENJIRO (JP)
OKAMOTO KENJI (JP)
SHIMADA KENJIRO (JP)
Application Number:
PCT/JP2012/073136
Publication Date:
April 04, 2013
Filing Date:
September 11, 2012
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
HAYASHI KAZUHIKO (JP)
OKAMOTO KENJI (JP)
SHIMADA KENJIRO (JP)
HAYASHI KAZUHIKO (JP)
OKAMOTO KENJI (JP)
SHIMADA KENJIRO (JP)
International Classes:
E02F3/85
Foreign References:
| JP2001500937A | 2001-01-23 | |||
| JPS61500449A | 1986-03-13 | |||
| US20100031538A1 | 2010-02-11 | |||
| US20100162885A1 | 2010-07-01 |
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:
Claims:
Previous Patent: CONSTRUCTION MACHINE
Next Patent: PORTABLE ELECTRONIC DEVICE, TOUCH OPERATION PROCESSING METHOD AND PROGRAM
Next Patent: PORTABLE ELECTRONIC DEVICE, TOUCH OPERATION PROCESSING METHOD AND PROGRAM