Title:
EXCAVATOR
Document Type and Number:
WIPO Patent Application WO/2018/235779
Kind Code:
A1
Abstract:
Provided is an excavator capable of correcting the operation of an attachment regardless of the operating state of the attachment operated by an operator. The present invention comprises: a traveling body; a swivel body swivelably mounted on the traveling body; an attachment mounted on the swivel body; a hydraulic actuator for driving the attachment; and a hydraulic control unit which, in connection with the operation of the attachment, controls the hydraulic pressure of the hydraulic actuator, and is capable of controlling the hydraulic pressure of the hydraulic actuator regardless of the operating state of the attachment.
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Inventors:
SANO YUSUKE (JP)
OKADA JUNICHI (JP)
HIRANUMA KAZUNORI (JP)
ITSUJI YOSHIYASU (JP)
TSUKANE KOICHIRO (JP)
HONDA KEIJI (JP)
OKADA JUNICHI (JP)
HIRANUMA KAZUNORI (JP)
ITSUJI YOSHIYASU (JP)
TSUKANE KOICHIRO (JP)
HONDA KEIJI (JP)
Application Number:
PCT/JP2018/023151
Publication Date:
December 27, 2018
Filing Date:
June 18, 2018
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
E02F9/26; E02F3/43
Domestic Patent References:
| WO2012121253A1 | 2012-09-13 | |||
| WO2016056442A1 | 2016-04-14 |
Foreign References:
| JP2014122510A | 2014-07-03 | |||
| JP2008002172A | 2008-01-10 | |||
| JP2008169981A | 2008-07-24 | |||
| JPH0714203U | 1995-03-10 | |||
| JP2014122510A | 2014-07-03 | |||
| JP2017121776A | 2017-07-13 | |||
| JP2017121777A | 2017-07-13 | |||
| JP2017121778A | 2017-07-13 | |||
| JP2017143522A | 2017-08-17 |
Other References:
See also references of EP 3643842A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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