EXCAVATOR - SUMITOMO SHI CONSTR MACH CO

Title:

EXCAVATOR

Document Type and Number:

WIPO Patent Application WO/2019/093103

Kind Code:

A1

Abstract:

In order to provide an excavator that can suitably perform finishing work to prepare a slope while maintaining operability, an excavator according to one embodiment of the present invention comprises a lower traveling body 1, an upper pivoting body 3 that is equipped on the traveling body so as to pivot freely, a boom 4 that is mounted on the upper pivoting body 3 so as to be able to move up and down, an arm 5 that is mounted to the distal end of the boom 4 so as to be able to rotate, a bucket 6 mounted to the distal end of the arm 5, and a controller 30, wherein the controller 30 limits the lowering movement of the boom 4 so that at least one of the force at which the bucket 6 pushes on the ground and the speed that the bucket 6 moves toward the ground does not become relatively large.

Inventors:

YAMAMOTO TAKASHI (JP)

Application Number:

PCT/JP2018/039098

Publication Date:

May 16, 2019

Filing Date:

October 19, 2018

Export Citation:

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Assignee:

SUMITOMO SHI CONSTR MACH CO (JP)

International Classes:

E02F9/20

Foreign References:

JPH07305375A	1995-11-21
JP2009180065A	2009-08-13
JP2015229836A	2015-12-21
JP2015140800A	2015-08-03
JPH02204531A	1990-08-14
JPS6414430A	1989-01-18
JPH10219727A	1998-08-18
JPH09189052A	1997-07-22
JPH1037230A	1998-02-10
JP2017217304A	2017-12-14

Other References: