The invention relates to a lifting beam (10) including: a lower beam (11) and an upper beam (12) arranged above the lower beam; means (30) for arranging the beams in close and releasable engagement with one another; and systems (17) for grasping said load, wherein the grasping means are kept in an open position when the beams (11, 12) are in engagement with one another, and in a closed position when the engagement means are released.
Secured grasping system
2016-01-06
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
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