Passenger restraint belt system
First Claim
1. A passenger restraint belt system for use with a seat installed in a conveyance, comprising:
- a seat belt for restraining a passenger on the seat in a first restraint position;
a first preloader mechanism responsive to a first command signal for retracting the seat belt from the first restraint position to a second restraint position where a first degree of tension is exerted on the seat belt so as to restrain the seat passenger while allowing passenger'"'"'s operations to avoid a vehicle collision;
a second preloader mechanism responsive to a second command signal for retracting the seat belt from the second restraint position to a third restraint position where a second, greater degree of tension is exerted on the seat belt so as to restrain the seat passenger against impacts caused by the vehicle collision; and
a control unit for producing the first command signal to the first preloader mechanism when the vehicle collision is anticipated and the second command signal to the second preloader mechanism when the vehicle collision is detected.
1 Assignment
0 Petitions
Accused Products
Abstract
A passenger restraint belt system for use with a seat installed in a conveyance. The system comprises a seat belt for restraining a passenger on the seat in a first restraint position. The seat belt is driven by first and second preloader mechanisms. The first preloader mechanism operates to retract the seat belt from the first restraint position to a second restraint position where a first degree of tension is exerted on the seat belt so as to restrain the seat passenger while allowing passenger'"'"'s operations to avoid a vehicle collision when the vehicle collision is anticipated. The second preloader mechanism operates to retract the seat belt from the second restraint position to a third restraint position where a second, greater degree of tension is exerted on the seat belt so as to restrain the seat passenger against impacts caused by a vehicle collision when the vehicle collision is detected.
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Citations
19 Claims
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1. A passenger restraint belt system for use with a seat installed in a conveyance, comprising:
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a seat belt for restraining a passenger on the seat in a first restraint position; a first preloader mechanism responsive to a first command signal for retracting the seat belt from the first restraint position to a second restraint position where a first degree of tension is exerted on the seat belt so as to restrain the seat passenger while allowing passenger'"'"'s operations to avoid a vehicle collision; a second preloader mechanism responsive to a second command signal for retracting the seat belt from the second restraint position to a third restraint position where a second, greater degree of tension is exerted on the seat belt so as to restrain the seat passenger against impacts caused by the vehicle collision; and a control unit for producing the first command signal to the first preloader mechanism when the vehicle collision is anticipated and the second command signal to the second preloader mechanism when the vehicle collision is detected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification