Occupant safety system
First Claim
1. An occupant restraint system configured to provide restraint to a secured occupant of a vehicle, the restraint system comprising:
- a seat belt webbing having a first end and a second end, the webbing configured to restrain the occupant;
a member for anchoring the second end of the webbing; and
an inflatable pretensioner having an inflator and an inflatable cushion that includes a first inflatable chamber and a second inflatable chamber,wherein the inflator is configured to inflate the first and second chambers of the cushion;
wherein the first inflatable chamber is configured to deploy upon inflation to provide pretensioning of the webbing to restrain the secured occupant;
wherein the second inflatable chamber is configured to deploy upon inflation to restrain the occupant;
wherein the inflatable cushion includes an aperture between the first and second chambers, andwherein the webbing is located on the exterior of the inflatable chambers and passes through the aperture so that the webbing is positioned between the second inflatable chamber and the occupant.
5 Assignments
0 Petitions
Accused Products
Abstract
An occupant restraint system comprising a seat belt webbing having a first end and a second end, the webbing configured to restrain the occupant; a member for anchoring the second end of the webbing; and an inflatable pretensioner having an inflator and an inflatable cushion that includes a first inflatable chamber and a second inflatable chamber, wherein the inflator is configured to inflate the first and second chambers of the cushion; wherein the first inflatable chamber is configured to deploy upon inflation to provide pretensioning of the webbing to restrain the secured occupant; wherein the second inflatable chamber is configured to deploy upon inflation to restrain the occupant.
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Citations
19 Claims
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1. An occupant restraint system configured to provide restraint to a secured occupant of a vehicle, the restraint system comprising:
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a seat belt webbing having a first end and a second end, the webbing configured to restrain the occupant; a member for anchoring the second end of the webbing; and an inflatable pretensioner having an inflator and an inflatable cushion that includes a first inflatable chamber and a second inflatable chamber, wherein the inflator is configured to inflate the first and second chambers of the cushion; wherein the first inflatable chamber is configured to deploy upon inflation to provide pretensioning of the webbing to restrain the secured occupant; wherein the second inflatable chamber is configured to deploy upon inflation to restrain the occupant; wherein the inflatable cushion includes an aperture between the first and second chambers, and wherein the webbing is located on the exterior of the inflatable chambers and passes through the aperture so that the webbing is positioned between the second inflatable chamber and the occupant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An inflatable pretensioner configured to pretension a seat belt webbing of an occupant restraint system to thereby improve restraint of an occupant secured thereto, the inflatable pretensioner comprising:
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an inflatable cushion that includes at least one inflatable chamber and at least one non-inflatable portion; and an inflator for inflating the at least one chamber of the cushion; wherein the at least one non-inflatable portion includes an aperture; wherein the webbing passes through the aperture to slideably couple the cushion to the webbing, such that the orientation of the webbing in a direction transverse to the length of the webbing is maintained relative to the at least one chamber and the webbing is located on a first side of the inflatable cushion adjacent the at least one inflatable chamber and is located on a second side of the inflatable cushion adjacent a second inflatable chamber; wherein the aperture is between the at least one inflatable chamber and the second inflatable chamber; wherein the first and second sides of the inflatable cushion are opposite sides; wherein inflation of the at least one inflatable chamber provides pretensioning of the webbing to restrain the secured occupant; and wherein inflation of the second chamber of the inflatable cushion provides protection for a pelvic region of the occupant. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification