Method and system for electronically operating a vehicle occupant seat safety restraint system
First Claim
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1. A method to electronically operate a vehicle occupant restraint safety system in association with a vehicle seat, comprising:
- (a) determining, by means of at least one collision warning system, whether a vehicle collision event is imminent, and if so activating pre-impact braking and electronically activating via a solenoid in communication with a restraint control module a seatbelt web grabber having a clamping mechanism;
(b) following activation of pre-impact braking and the seatbelt web grabber, determining whether an actual vehicle collision event has occurred, and if so activating a vehicle occupant restraint safety system and deactivating said seatbelt web grabber.
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Abstract
An electrically activated, electronically controlled web grabber in conjunction with a pre-impact braking system that holds the vehicle safety belt from the moment of activation, restricting forward movement of the occupant and can be activated prior to the impact to ensure occupant containment and deactivated upon command in order to release after an accident is avoided, or once the impact has started to allow other safety devices to take over control of the belts, for example, by load limiters.
22 Citations
7 Claims
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1. A method to electronically operate a vehicle occupant restraint safety system in association with a vehicle seat, comprising:
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(a) determining, by means of at least one collision warning system, whether a vehicle collision event is imminent, and if so activating pre-impact braking and electronically activating via a solenoid in communication with a restraint control module a seatbelt web grabber having a clamping mechanism; (b) following activation of pre-impact braking and the seatbelt web grabber, determining whether an actual vehicle collision event has occurred, and if so activating a vehicle occupant restraint safety system and deactivating said seatbelt web grabber. - View Dependent Claims (2, 3, 4, 5)
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6. A system for electronically operating a vehicle occupant restraint safety system in association with a vehicle seat, comprising:
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(a) means for determining, by means of at least one collision warning system, whether a vehicle collision event is imminent, and if so means for activating pre-impact braking and means for electronically activating using a solenoid in communication with a restraint control module a seatbelt web grabber having a retractor lock mechanism; (b) following activation of pre-impact braking and the seatbelt web grabber, means for determining whether an actual vehicle collision event has occurred, and if so means for deactivating said seatbelt web grabber and means for activating a vehicle occupant restraint safety system. - View Dependent Claims (7)
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Specification