Title:
SAFETY DEVICE FOR HIGH-PLACE WORKING VEHICLE
Document Type and Number:
Japanese Patent JP3279718
Kind Code:
B2
Abstract:
PURPOSE: To enable elevation of a working platform without extending an outrigger in a range where it will not fall and elevation of the working platform to the maximum height when extending the outrigger.
CONSTITUTION: This safety device for a high-place working vehicle is provided with an outrigger extension detecting sensor 6 for putting out a detection signal when an outrigger is in the extended position, a working platform height detecting sensor 11 for putting out a detection signal when the working platform is higher than a predetermined height, a working platform extension detecting sensor 15 for putting out a detection signal when the working platform is in the extended state, and a controller 28 for putting out a control signal to an elevating mechanism of the working platform based on the detection signals from each of the sensors.
Inventors:
Satoru Koyanagi
Tetsuya Fujimura
Masayuki Nagahama
Kazuyuki Yamazaki
Toru Hishiyama
Tetsuya Fujimura
Masayuki Nagahama
Kazuyuki Yamazaki
Toru Hishiyama
Application Number:
JP9953393A
Publication Date:
April 30, 2002
Filing Date:
April 26, 1993
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
B60S9/02; B66F9/06; B66F9/24; B66F11/04; (IPC1-7): B66F9/24; B60S9/02; B66F9/06; B66F11/04
Domestic Patent References:
| JP58116239A | ||||
| JP4342645A | ||||
| JP4333500A | ||||
| JP443649U |
Attorney, Agent or Firm:
Tadashi Hamamoto (1 person outside)
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