A method and apparatus is provided for at least holding an object with a crane having a bridge spanning between and movable on the spaced apart rails, an upper platform movable longitudinally on the bridge, and a hoist mounted to the platform, the hoist having a rope and a lifting member disposed at a remote end of the rope. The method includes engaging and moving a positioner to a selected location on the bridge or the upper platform using the hoist; securing the positioner to the bridge at the selected location or the upper platform; securing the positioner to an object; holding the object with the positioner; releasing the object from the positioner; releasing the positioner from the bridge or the upper platform; and engaging and moving the positioner away from the selected location on the bridge or the upper platform using the hoist.
Relocatable Fine Motion Positioner Assembly on an Overhead Crane
2015-12-24
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
RELOCATABLE FINE MOTION POSITIONER ASSEMBLY ON AN OVERHEAD CRANE
Europäisches Patentamt | 2015
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