| 摘要 |
A vehicle seat belt system includes a release mechanism rendering the system ineffective to retain the user in his seat. The mechanism is operable to move the locking mechanism of an acceleration responsive retractor to the unlocked position in response to the opening of a vehicle door, so that where the seat belt system is passive, the occupant is automatically released when the door is opened regardless of whether or not the retractor is locked. In a passive seat belt system, another emergency release mechanism permits manual release of the belt from an anchorage position in an emergency, either by the occupant or from outside the vehicle.
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