A fully articulated and continuous rotation jib crane system includes a first crane arm connected to a crane post by a first pivot joint and a second crane arm connected to the first crane arm by a second pivot joint, each pivot joint including a shaft having a plurality of apertures in fluid communication with the pivot joints and internal bores of the crane arms to transfer a vacuum system pressure, the pivot joints facilitating continuous rotation of each of the first and the second crane arms for any degree of rotation while maintaining the vacuum system pressure through the first and the second pivot joints and the first and the second crane arms.
Articulated jib crane
2016-12-27
Patent
Electronic Resource
English