DEVICE FOR OPERATING WORKING MACHINE - HITACHI CONSTRUCTION MACHINERY

Title:

DEVICE FOR OPERATING WORKING MACHINE

Document Type and Number:

WIPO Patent Application WO/2015/041300

Kind Code:

A1

Abstract:

A device for operating a double-arm-type hydraulic shovel (1) provided with a left operation device (50) provided on the left side of a driver seat (4) and a right operation device (51) provided on the right side of the driver seat (4), wherein the left operation device (50) includes a left operation lever (54) and a left operation switch (56) provided to the left operation lever (54), the right operation device (51) includes a right operation lever (55) and a right operation switch (57) provided to the right operation lever (55), and the shortest distance between the left operation lever (54) and the right operation lever (55) is greater than the width of the driver seat (4). When operating a right work front (B), the operation is performed using the left operation lever (54) and the right operation lever (55); when operating a left work front (A), the operation is performed using the left operation switch (56) and the right operation switch (57). It is thereby possible to perform an operation in an equivalent manner to that according to prior art, prevent damage caused by contact with an operation lever, and enable the driver to sit unhindered.

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Inventors:

ISHII AKINORI (JP)
HANAKAWA KAZUYOSHI (JP)
TOMITA KUNITSUGU (JP)

Application Number:

PCT/JP2014/074726

Publication Date:

March 26, 2015

Filing Date:

September 18, 2014

Export Citation:

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Assignee:

HITACHI CONSTRUCTION MACHINERY (JP)

International Classes:

G05G1/01; E02F9/16; E02F9/20; G05G9/047; B25J13/02

Foreign References:

JPH11181815A	1999-07-06
JP2013007190A	2013-01-10
JP2006307433A	2006-11-09
JP2001173014A	2001-06-26
JPH1088619A	1998-04-07
JP2006252224A	2006-09-21

Other References: