Inflatable safety belt for motor vehicles
First Claim
1. An inflatable seat belt for securing an occupant in a motor vehicle comprising:
- a belt strap comprising two ends connected with the motor vehicle;
a belt latch arranged on the belt strap and dividing the belt strap into (i) a diagonal region for resting against an occupant'"'"'s upper body and (ii) a horizontal region for resting against an occupant'"'"'s pelvis;
a belt buckle arranged on the vehicle onto which the belt latch is detachably connectable;
a first retractor arranged on the motor vehicle onto which an end corresponding with the diagonal region of the belt strap is connected;
a second retractor arranged on the motor vehicle onto which an end corresponding with the horizontal region of the belt strap is connected;
an air bag arranged on the diagonal region of the belt strap so as to extend substantially from an occupant'"'"'s upper body to an area behind an occupant'"'"'s head, the air bag comprising a material which is shortened in an axial direction of the air bag during inflation;
a clamping fastener detachably connecting the belt strap with the belt latch with a defined holding force;
wherein the clamping fastener and the first retractor are electrically controllable such that (i) the first retractor and the clamping fastener are released, (ii) after a withdrawal of a defined length of the belt strap by the occupant, the first retractor is locked, (iii) after an insertion of the belt latch into the belt buckle, the clamping fastener is locked and the first retractor is released, and (iv) in the event of an impact of the vehicle, the clamping fastener is released.
2 Assignments
0 Petitions
Accused Products
Abstract
An inflatable seat belt for securing an occupant in a motor vehicle having a belt strap which is divided by way of a belt latch into a diagonal region resting against the occupant'"'"'s upper body and into a horizontal region resting against the occupant'"'"'s pelvis. A belt buckle is fastened to the vehicle and the belt latch is detachably connectable with the belt buckle. On the diagonal region of the belt strap, an air bag is mounted which extends from the occupant'"'"'s upper body to behind the head. The air bag is made of a material which is shortened in an axial direction during inflation. The diagonal region of the belt strap is connected with an upper retractor fastened to the vehicle, and the horizontal region of the belt strap is connected with a lower retractor fastened to the vehicle.
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Citations
22 Claims
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1. An inflatable seat belt for securing an occupant in a motor vehicle comprising:
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a belt strap comprising two ends connected with the motor vehicle;
a belt latch arranged on the belt strap and dividing the belt strap into (i) a diagonal region for resting against an occupant'"'"'s upper body and (ii) a horizontal region for resting against an occupant'"'"'s pelvis;
a belt buckle arranged on the vehicle onto which the belt latch is detachably connectable;
a first retractor arranged on the motor vehicle onto which an end corresponding with the diagonal region of the belt strap is connected;
a second retractor arranged on the motor vehicle onto which an end corresponding with the horizontal region of the belt strap is connected;
an air bag arranged on the diagonal region of the belt strap so as to extend substantially from an occupant'"'"'s upper body to an area behind an occupant'"'"'s head, the air bag comprising a material which is shortened in an axial direction of the air bag during inflation;
a clamping fastener detachably connecting the belt strap with the belt latch with a defined holding force;
wherein the clamping fastener and the first retractor are electrically controllable such that (i) the first retractor and the clamping fastener are released, (ii) after a withdrawal of a defined length of the belt strap by the occupant, the first retractor is locked, (iii) after an insertion of the belt latch into the belt buckle, the clamping fastener is locked and the first retractor is released, and (iv) in the event of an impact of the vehicle, the clamping fastener is released. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for securing an occupant in a motor vehicle comprising:
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providing a belt strap comprising two ends connected with the motor vehicle;
providing a belt latch on the belt strap which divides the belt strap into (i) a diagonal region for resting against an occupant'"'"'s upper body and (ii) a horizontal region for resting against an occupant'"'"'s pelvis;
providing a belt buckle on the vehicle onto which the belt latch is detachably connectable;
providing a first retractor on the motor vehicle onto which an end corresponding with the diagonal region of the belt strap is connectable;
providing a second retractor arranged on the motor vehicle onto which an end corresponding with the horizontal region of the belt strap is connectable;
providing an air bag on the diagonal region of the belt strap so as to extend substantially from an occupant'"'"'s upper body to an area behind an occupant'"'"'s head, the air bag comprising a material which is shortened in an axial direction of the air bag during inflation;
providing a clamping fastener on the belt latch which connects the belt strap with the belt latch with a defined holding force;
electrically controlling the clamping fastener and the first retractor in the following order;
(i) releasing the first retractor and the clamping fastener;
(ii) after a withdrawal of a defined length of the belt strap by the occupant, locking the first retractor;
(iii) after an insertion of the belt latch into the belt buckle, locking the clamping fastener and releasing the first retractor; and
(iv) during an impact of the vehicle, releasing the clamping fastener.
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Specification