Title:
WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/117175
Kind Code:
A1
Abstract:
The present invention makes it possible to improve the straight travel of a working machine during an intermediate operation. Provided is a working machine comprising: a hydraulic pump; a first travel device driven by a first travel hydraulic actuator; a second travel device driven by a second travel hydraulic actuator; a first discharge passage connecting a first discharge port of the hydraulic pump and the first travel hydraulic actuator; a second discharge passage connecting a second discharge port of the hydraulic pump and the second travel hydraulic actuator; a first operation device for operating the first travel device; a second operation device for operating the second travel device; and a correction mechanism for equalizing the driving force of the first travel hydraulic actuator and the driving force of the second travel hydraulic actuator when a straight operation is performed in which the first operation device and the second operation device are operated with the same operation amount.
Inventors:
HORII HIROSHI (JP)
Application Number:
PCT/JP2017/045783
Publication Date:
June 28, 2018
Filing Date:
December 20, 2017
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
F15B11/17; E02F9/22; F15B11/02; F15B11/08
Domestic Patent References:
| WO2007132687A1 | 2007-11-22 |
Foreign References:
| JP2015218537A | 2015-12-07 | |||
| JP5480847B2 | 2014-04-23 |
Other References:
See also references of EP 3524825A4
Attorney, Agent or Firm:
YASUDA Mikio (JP)
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