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Title:
OPERATING DEVICE OF WORK MACHINE AND WORK MACHINE
Document Type and Number:
Japanese Patent JP2006307433
Kind Code:
A
Abstract:

To provide operating devices of a work machine capable of indicating all operations of a working tool performing multiple types of operations and working fronts at the user's position by optimizing the arrangement of operating systems and the work machine.

The operating devices 50a and 50b of the work machine having a lower vehicle body 2 having a traveling body 1, an upper vehicle body 3 installed on the upper part of the lower vehicle body 2 and having an operator's cabin 4, working fronts A and B installed on the upper vehicle body 3, and work tools 20a and 20b swingably fitted to the tips of the arms of the work fronts A and B and opening and closing turning and holding claws. The operating devices 50a and 50b further comprise operating levers 55a and 55b indicating the operations of the work fronts A and B, work device opening and closing operation levers 57a and 57b fitted to the tip parts of the operation levers 55a and 55b and opening and closing the holding claws of the work tools 20a and 20b and work tool turning operation levers 58a and 58b fitted to the front parts of the operating levers 55a and 55b and indicating the turning operations of the work tools 20a and 20b.


Inventors:
TOMITA KUNITSUGU
FUJISHIMA KAZUO
ISHII KEIHAN
Application Number:
JP2005127646A
Publication Date:
November 09, 2006
Filing Date:
April 26, 2005
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
E02F3/36; E02F9/16
Domestic Patent References:
JP2001306168A2001-11-02
JPH0581179U1993-11-02
JPH08228615A1996-09-10
JP2001336171A2001-12-07
JPH09242123A1997-09-16
JP2001065000A2001-03-13
JP2003027527A2003-01-29
JPH073836A1995-01-06
JPH11181815A1999-07-06
JPS61151334A1986-07-10
JPH0723055U1995-04-25
JPS6114328A1986-01-22
JPH09177134A1997-07-08
JPH06313365A1994-11-08
Attorney, Agent or Firm:
Kasuga Toshiaki