A linear pretensioning drive for tightening a vehicle seat belt has a guide tube (1), a piston (2) which can be driven by the guide tube, and a reverse movement lock (3), formed by balls (8), which are arranged on a ring around the tube axis (4). In the dr...

The object is to gently stop a pull-in member and to prevent a large impact force from being exerted on the pull-in member or a member disposed near the pull-in member and affected by the pulling-in operation of the pull-in member even when the pull-in mem...

This object is to provide a boot of which the maximum contraction amount can be more effectively set to be larger and which has a predetermined strength and to provide a seat belt device which can provided improved restraint property to an occupant. A flex...

A tightener (10) for a safety belt, comprising a cylinder (12), a piston (14) which is arranged to be displaceable in the cylinder, a tension transmission means (24) which is connected to the piston in order to transmit the movement of the piston to the sa...