An automatic boom telescopic motion apparatus for a working machine includes an automatic telescopic motion part configured to continue the telescopic motion of the boom without inputting an operation to perform the telescopic motion of the boom by the boom telescopic motion input part, in a state in which the on/off operation part is turned on, when the output detection part detects an output which is equal to or greater than a predetermined value and an operation is inputted to the boom telescopic motion input part to increase the speed of the telescopic motion of the boom to a value equal to or higher than a predetermined value.
Automatic boom telescopic motion apparatus for working machine
2018-01-16
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
AUTOMATIC BOOM TELESCOPIC MOTION APPARATUS FOR WORKING MACHINE
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