Barrier frame for fixing equipment to shaft cover - has block actuating pivoting claws engaging in holes in cover

摘要

The equipment fixes a barrier frame to a shaft cover, the latter having holes in pairs in the top surface at the ends for engagement by lifting tackle. It comprises a holder engaging in the holes and connected to a clamping mechanism engaging with the frame. The holder (4) has two claws (8) pivoting in a bracket (7), in which there is a block (12) acting on them. The block is moved by a clamping mechanism in the bracket. ADVANTAGE - Usable also with cover having a partition between the holes.