Patent ID: 9604593
Date: 2017-03-28
CPC Classifications: B60R

Claim:
1. Safety belt device, in particular for a motor vehicle, comprising a roll-up spindle rotatably supported in a frame to rotate with respect to the frame, on which roll-up spindle a safety belt is held with its one end, wherein the roll-up spindle is biased into a roll-up position, in which the safety belt is rolled up on the roll-up spindle and the safety belt can be rolled off the roll-up spindle against the bias by rotating the roll-up spindle and wherein a torsion rod is provided in the roll-up spindle which is fastened to the roll-up spindle with a first end and which is fastened to the frame with a second end, wherein a plastic material is molded around the torsion rod in the roll-up spindle, the plastic material covering a first end of the torsion rod with the plastic, wherein an opposite end of the torsion rod is free of the plastic, wherein at least the second end of the torsion rod is free from the plastic material, wherein the torsion rod comprises an extension on its first end, the extension having a diameter greater than a diameter of a mid-portion of the torsion rod, and wherein the roll-up spindle completely envelops and is in contact with the extension on the first end such that enveloping portions of the roll-up spindle extend from a first surface on a first side of the extension and in direct contact with the first surface to a second surface on a second side of the extension opposite the first side and in direct contact with the second surface, wherein the first and second surfaces are normal to a longitudinal direction of extension of the torsion rod, and wherein the roll-up spindle is a monolithic component.