Patent ID: 9150193
Filing Date: 2015-10-06
Classification: B60R

Abstract:
1. A dual-mode retractor for an automotive seat belt webbing, the retractor being configured to switch between a first mode and a second mode, the first mode being one of an ELR mode and an ALR mode, and the second mode being the other one of the ELR mode and the ALR mode, the retractor switching between the first mode and the second mode via a relative movement between a first part and a second part of the retractor, the retractor further comprising: a permanent magnet mounted on the first part, the permanent magnet emitting an original magnetic field; a Hall effect device positioned to detect the magnetic field, the Hall effect device being in a fixed position relative to the permanent magnet; and an interrupter plate mounted on the second part and movable between a first position relative to the permanent magnet, in which the interrupter plate exposes the Hall effect device to the original magnetic field in the first mode, and a second position relative to the permanent magnet, in which the interrupter plate exposes the Hall effect device to a modified magnetic field in the second mode, wherein the interrupter plate is a pivotably mounted vane interrupter.