A lifting beam is provided. The lifting beam includes a lower beam and an upper beam arranged above the lower beam; an arranger for arranging the beams in close and releasable engagement with one another; and systems for gripping the load. The gripping systems are kept in an open position when the beams are in engagement with one another, and in a closed position when an engager is released.
Secured gripping system
2017-08-15
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
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