TENSIONING DEVICE FOR A SAFETY BELT COMPONENT

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 component to be set into a tightening motion, and a tightening tube for receiving and guiding the piston and a receptacle that accommodates the gas generator.