DEVICE PROTECTING CRANE HOOK AGAINST ROTATION

摘要

1. A device preventing hook of a crane from turning, equipped with a pulley block cross-tie, hook with incisions of neck on bearings in the cross-tie, characterised in that the hook's neck (1) in the section with incisions (2) has a clamp (3) shaped as flat plate (4) ended with jaws (5) clamping the cross-tie (6)<IMAGE>