US 11,766,991 B2
Seat belt system
Mark Gray, Macomb, MI (US)
Assigned to JOYSON SAFETY SYSTEMS ACQUISITION LLC, San Diego, CA (US)
Filed by Joyson Safety Systems Acquisition LLC, Auburn Hills, MI (US)
Filed on Dec. 29, 2021, as Appl. No. 17/564,946.
Claims priority of provisional application 63/131,679, filed on Dec. 29, 2020.
Prior Publication US 2022/0203929 A1, Jun. 30, 2022
Int. Cl. B60R 22/46 (2006.01)
CPC B60R 22/4619 (2013.01) [B60R 22/4604 (2013.01); B60R 22/4628 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A seatbelt pretensioner for a seat belt device in a vehicle, the pretensioner comprising:
a cable connected to the seat belt device at a first end of the cable;
a base frame containing a pipe, wherein a rod is located within the pipe, and wherein the entire cable is located outside of the pipe and wherein a first end of the rod is configured to be subjected to pressure from gas provided by a gas generator;
wherein a second end of the cable and a second end of the rod are connected to a swage block;
wherein the rod is configured to be driven within the pipe in the pretensioning direction by gas from the gas generator when the gas generator initiates in response to an acceleration of the vehicle greater than a predetermined high acceleration thereby causing the swage block to move and pull the cable to thereby cause a corresponding movement of the seat belt device.