The invention relates to an electro-hydraulic device for moving a jib for a tower crane, in which device the motor of the hydraulic unit is switched off when the position of the jib is not altered for a predetermined time period.
ELECTRO-HYDRAULIC DEVICE FOR MOVING A JIB
2015-07-23
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
European Patent Office | 2020
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