Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Tadano Ltd
Original Assignee
Tadano Iron Works Co Ltd
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Filing date
Publication date
Application filed by Tadano Iron Works Co LtdfiledCriticalTadano Iron Works Co Ltd
Priority to JP4450975ApriorityCriticalpatent/JPS582918B2/en
Publication of JPS51120544ApublicationCriticalpatent/JPS51120544A/en
Publication of JPS582918B2publicationCriticalpatent/JPS582918B2/en
PURPOSE: To make it impossible to allow the piston drive for the oil pressure cylinder, preventing disfigurement of the group jib boom, when the fixed coupling device is coupled and the chain link motion is linked.