Patent ID: 8814211
Filing Date: 2014-08-26
Classification: B60R

Abstract:
1. A pretensioner for a motor vehicle belt restraint system, the belt restraint system being of the type mountable to a structure of the motor vehicle and having a belt restraint component coupled thereto, the pretensioner adapted to be connected to the belt restraint component and, upon being activated, the pretensioner pulling the belt restraint component to pretension the belt restraint system, the pretensioner comprising: a conduit made of a single piece of tubing and having first and second ends, a curved portion of the conduit located between the first and second ends, at least a portion of the conduit defining an elongated piston bore; a piston slideably positioned in the piston bore, a cable attached to the piston, the cable extending through the conduit and being adapted for connection to the belt restraint component; a gas generator located within the conduit and being positioned generally opposite of the piston, whereby upon activation of the gas generator a gas is generated within the piston bore and drives the piston within the piston bore with the piston exerting tension on the cable and thereby the belt restrain component.