Title:
INDUSTRIAL VEHICLE AND CONTROL METHOD FOR INDUSTRIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2013/179517
Kind Code:
A1
Abstract:
According to the present invention, when a lock member is switched from a locked position to a released position, a lock valve switcher switches a lock valve from a locked state to a released state. A misoperation observation part keeps the lock valve in the released state when the elapsed time from the point the lock member was switched from the locked position to the released position is a predetermined time or longer and the pilot pressure is at least a predetermined pressure. The misoperation observation part switches the lock valve to the locked state when the elapsed time is less than the predetermined time and the pilot pressure is at least the predetermined pressure.
Inventors:
HIMOTO MANABU (JP)
TSUMURA DAISUKE (JP)
OHBORA YOSHIMASA (JP)
YOGITA JIN (JP)
TSUMURA DAISUKE (JP)
OHBORA YOSHIMASA (JP)
YOGITA JIN (JP)
Application Number:
PCT/JP2012/081614
Publication Date:
December 05, 2013
Filing Date:
December 06, 2012
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E02F9/20; E02F9/24; F15B11/08; F15B20/00
Foreign References:
| JPH1121079A | 1999-01-26 | |||
| JPH051436A | 1993-01-08 | |||
| JP2001032332A | 2001-02-06 | |||
| JPH0633489A | 1994-02-08 |
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)
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