A tensioning device for a safety belt component, comprising a gas generator for generating a pressurized gas, a piston which can be driven by the pressurized gas, a tension cable which is connected to the piston and can be connected to the safety belt comp...

A locking apparatus, a vehicle safety belt adjustment apparatus, and a vehicle safety belt. The locking apparatus used for controlling a movable chain, strip or strap-shaped object (71) comprises a support frame; a roll shaft (6) with a friction surface or...