Title:
作業車両の架装物
Document Type and Number:
Japanese Patent JP6525312
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent an installation material from performing unexpected movement in the case that a plurality of power source selection switches undergo a selection operation substantially at the same timing in the installation material of a working vehicle which can arbitrarily and selectively operate an engine drive state for driving a hydraulic pump for discharging hydraulic oil to working machines with an engine and a motor drive state for driving the hydraulic pump with an electric motor by using the plurality of power source selection switches.SOLUTION: An installation material side control device UK controls a valve device MV for exchanging hydraulic oil between a hydraulic pump P and work machines 2, 7 to perform emergency stop of the working machines 2, 7 when, during the operation of one of a plurality of power source selection switches M-SWf, M-SWr, the other power supply selection switch is operated so as to make a swith to a power source different from a power source to be switched by the operation.SELECTED DRAWING: Figure 8
Inventors:
Yuji Akiyama
Imaoka Daisaku
Imaoka Daisaku
Application Number:
JP2015073040A
Publication Date:
June 05, 2019
Filing Date:
March 31, 2015
Export Citation:
Assignee:
Far East Development Industry Co., Ltd.
International Classes:
B65F3/00; B60K6/20; B60K6/48; B60P3/00
Domestic Patent References:
| JP2014223992A | ||||
| JP2007261361A | ||||
| JP2004324124A | ||||
| JP60028780A | ||||
| JP2014122098A | ||||
| JP63037585A | ||||
| JP2012170431A | ||||
| JP2009262759A |
Foreign References:
| EP2072421A1 |
Attorney, Agent or Firm:
Ken Ochiai
Kazuaki Niki
Nude Shima Shinji
Kazuaki Niki
Nude Shima Shinji