Automotive passive comfort seat belt system

A safety restraint system for a vehicle comprising:

• a safety belt attachable at one portion thereof to a buckle means, the buckle means comprising a tongue portion attached to a safety belt and a buckle for receiving the tongue, first sensor means is provided for generating a first signal indicative of a buckled and an unbuckled state;
• D-ring means adapted to be rotatably mounted to a vehicle member, for slideably receiving a shoulder belt portion of the safety belt;
• second sensor means, coacting with the D-ring means for generating a second signal indicative of D-ring motion;
• retractor means adapted to be secured to a structure member of the vehicle, including a take-up spool, attached to an end of the shoulder belt and a reversible electric motor, in driving engagement with the take-up spool for rotating same in rewind and reverse directions in response to rewind and reverse control signals;
• third means for generating a third signal indicative of motor torque;
• control logic means for generating the rewind and reverse control in response to the states of the first and second sensor means including first storage means, responsive to the second signal, for storing a value indicative of D-ring position.