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Patent Searching and Data


Title:
WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/059931
Kind Code:
A1
Abstract:
In the present invention, a main controller: generates a supplemented design face that passes through the junction or above the junction between, from among a plurality of design faces, a first design face and a second design face adjacent to each other, and one end of which is positioned above the first design face and the other end of which is positioned above the second design face; sets the curvature 1/R for the supplemented design face according to arm control input of an operation lever device; and executes semi-automatic excavation control to control a boom cylinder with one of the faces contained in the supplemented design face being set as the target face.

Inventors:
NAKANO HISAMI (JP)
TANAKA HIROAKI (JP)
SUZUKI YUSUKE (JP)
NARAZAKI AKIHIRO (JP)
Application Number:
PCT/JP2020/033672
Publication Date:
April 01, 2021
Filing Date:
September 04, 2020
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F3/43
Domestic Patent References:
WO2018101313A12018-06-07
WO2012127913A12012-09-27
Foreign References:
JP2018003514A2018-01-11
JP2016003442A2016-01-12
US20140107841A12014-04-17
Attorney, Agent or Firm:
KAICHI IP (JP)
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