公开(公告)号：US11794688B2

公开(公告)日：2023-10-24

申请号：US17474165

申请日：2021-09-14

Applicant: AUTOLIV ASP, INC.

Inventor： Jon E. Burrow ,  Matthew R. Schimento ,  Gunter Clute ,  Bryan Vanwambeke ,  Timothy P. Sherrow, Jr.

IPC: B60R22/40

CPC classification number: B60R22/40

Abstract: A vehicle sensitive retractor control system having reduced sensitivity to Z-axis acceleration experienced during normal driving. The retractor control system incorporates a rolling mass and a locking lever which, in a resting position, are arranged such that the locking lever does not engage a ratchet wheel of a seat belt retractor spool. In response to accelerations in the horizontal plane, the rolling ball mass becomes unseated from its resting position and allows the locking lever to rotate due to the position of its center of gravity relative to its pivot point allowing it to pivot and lock the retractor. In response to Z-axis acceleration, the rolling mass is prevented from contacting the locking lever by a mass restrictor.