Fall prevention device for roof workers, comprises threaded rod anchored in roof and secured inside support tube

摘要

A threaded rod (2) anchored in the roof is secured inside a support tube (9) by at least one screw part (18) and/or at least one positive or form-fit connection part acting as blocking parts (14). The blocking part comprises a hard plastic disc and a stopper (16) inserted into the tube. The screw part is a nut screwed onto one end of the rod.