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
2018-01-23
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
European Patent Office | 2020
|