Improvements to the devices for safe for the person working in places students

摘要

Safety device with a body 1 provided with a channel 20 intended to be passed through by a safety line, the said body 1 having a clevis (fork) opening in the said channel 20, between the wings 22, 23 of the said clevis (fork) there being hinged a brake 29 comprising a lever ending in a ring 31 intended to be connected by a tie to a belt worn by the user, characterised in that the wings of the clevis (fork) each comprise a groove 37 extending towards the channel 20, a pin 41 being guided in the said grooves and supporting a toothed wheel 39 wedged, means 49 being provided for, on the one hand, pushing the toothed wheel 39 so that it bears against the safety line whilst braking the pin 41 of the latter and, on the other hand, for freeing the said toothed wheel 39. IMAGE