COUPLING DEVICE FOR THE WINDING SHAFT OF A SAFETY BELT REINFORCING BELT WITH RECALL TENSIONER SYSTEM

摘要

The invention relates to a coupling device for the winding shaft of a belt tensioner belt tensioner with a flexible tensioning means which is in active connection on the one hand. , WITH A DRIVING DEVICE, FOR EXAMPLE AN ENERGY ACCUMULATOR AND, ON THE OTHER HAND, WITH A PULLEY OF THE TRACTION MEANS CONNECTED TO THE SHAFT TO BE DRIVEN. / P P THE PULLEY 1 OF THE MEANS OF TENSION, SOLIDARITY OF THE TREE TO BE DRIVEN, IS PREFERABLY EMBEDDING SEVERAL TIMES WITH A RADIAL SET 6 BY MEANS OF TRACTION 3 WHILE THE EXTREME FREE PORTION 3 OF THIS IS EXPOSED TO A PREDETERMINED BRAKE FORCE N PRODUCED BY A BRAKING ELEMENT 4. BY ACTIVATION OF THE DRIVING DEVICE, THE EMBRACING PORTION 3 OF THE TRACTION MEDIUM 3 IS TIGHTENED AND ACCOUPLED TO THE PULLEY 1 OF THE TRACTION MEANS. / P P THE INVENTION IS APPLICABLE TO SEAT BELTS IN MOTOR VEHICLES. / P