BOARD AUTOMATIC GRIPPER Russian patent published in 2012 - IPC B66C1/66 

FIELD: transport.

SUBSTANCE: invention relates to handling equipment and may be used in handling floor slabs with lifting eyes. Proposed gripper comprises casing, assembly for connection to crane hook, two thrusts, four eyes, two shaped hooks, cases of guide retainer and pusher. Shaped hooks have ledges deflecting toward guide edges and locking and thrust ledges. Locking element is shaped to cylinder or tetrahedral prism while pusher is shaped to cylindrical rod to reciprocate in guide case. Deflecting and guide edges of shaped hooks are rectangular and inclined to slide over board eye surfaces.

EFFECT: simplified design.

4 dwg