发明名称 ELECTROHYDRAULIC DEVICE FOR CRANE BOOM OPERATION
摘要 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.
申请公布号 EP2855333(B1) 申请公布日期 2016.06.01
申请号 EP20130725595 申请日期 2013.05.16
申请人 WOLFFKRAN HOLDING AG 发明人 DÖRZBACH, ULRICH;WAGNER, ANDREAS
分类号 B66C13/18;B66C23/06;B66C23/82 主分类号 B66C13/18
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