Seat belt system for motor cars

In a seat belt system particularly for motor vehicles having doors which open and close by movement thereof forwardly and rearwardly of said vehicle, said vehicle comprising a vehicle body including a side wall, said vehicle body having a front, a back and a center spaced between said front and back, at least one sliding door mounted on said side wall of said vehicle body and movable from a closed position flush with the side wall of said vehicle body to an intermediate position parallel with and spaced from the closed position and then to an open position spaced in the longitudinal direction of the vehicle from the intermediate position, and means for mounting said door to said vehicle, each of said sliding doors having an inner side with the inner side having a front end and a rear end, the improvement comprising at least one safety belt having a first end mounted to a center portion of said vehicle body and a second end mounted to the inner side of said sliding door, with said at least one safety belt extending freely in an unrestrained condition continuously from said first end to said second end, means mounting said first end of said at least one safety belt to the center portion of said frame, and means for mounting said second end of said at least one safety belt to the inner side of said sliding door, said means for mounting said second end being actuated by sliding movement of said door to move said second end of said at least one belt to a first belt position to dispose said safety belt in orientation permitting ingress and egress of a passenger into and out of said vehicle when said door is in said open position, and to a second belt position to dispose said belt to actively restrain a passenger in said vehicle when said door is moved to said closed position, said at least one safety belt consisting of a shoulder safety belt, and a pelvis safety belt having a first end connected to a center portion of said vehicle body and a second end connected to said inner side of said sliding door, means for mounting said second end of said pelvis safety belt to the inner side of said sliding door, and means for mounting said first end of said shoulder safety belt to the center of the vehicle body also mounting said first end of said pelvis safety belt to the center of the vehicle body, said means for mounting said second end of said pelvis safety belt comprising a pivotal lever pivotal about an axis lying at an angle to the vertical plane of said sliding door, said pivotal lever having a first angular extension extending from one end thereof, and a second angular extension extending from the other end thereof, said pivotal lever being pivotal about said first angular extension while said second angular extension fixedly mounts thereon said second end of said pelvis safety belt.