PARACAIDAS DE DOBLE GARRA PARA PUERTAS DE GARAJE E INDUSTRIALES CON SISTEMA DE DESBLOQUEO

Double-jaw parachute for garage and industrial doors with unlocking system (figs 1 to 6) consisting of a mechanism that, interposed between the supporting screws of lifting or tilting doors and the counterweight cables, serves to prevent fall of the door on people or things of breakage of the cables producing an automatic and immediate braking of the door. It is one of those, according to the current state of the art, consisting of a frame formed by two identical plates (1) that house inside two identical combs (8) and (9) equipped with claws (10) whose combs are associated to a support shaft (13) and to a sliding piece (19) that presses a spring (25) abutting at a point of the frame, and is characterized in that the combs (8) and (9) fit the support shaft ( 13) that pulls the sliding piece (19), have lugs (22) that, inserted into the holes (12) are guided continuously by the holes (5) of the plates (1) so that there is a one-to-one correspondence between the positions of the support shaft (13), of the combs (8) and (9), of the plates (1) and of the sliding piece (19), producing an automatic braking, by ejection of the combs ( 8) and (9) and nailing claws (10) on guides (26) in case of breakage of any of the cables. (Machine-translation by Google Translate, not legally binding)