Vehicle occupant support
DC CAFCFirst Claim
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1. A child seat for use in a vehicle comprising:
- a first airbag configured to protect an occupant during side impact to the vehicle, prefilled with air supplemented with a porous filling material within, and having a plurality of vents configured to evacuate said air at a controlled rate upon impact during side impact to the vehicle;
wherein said porous filling material comprises a foam pad;
wherein said airbag is constructed with a flexible membrane adjoining said foam pad;
wherein said plurality of vents comprise perforations on said flexible membrane;
wherein an inertial loading of the occupant on the airbag compresses the foam pad and exhausts air through the perforations on said flexible membrane during lateral inertial loadings by the occupant;
wherein said first airbag pre-filled with air and with said porous filling material comprising a foam pad within is enabled to cushion an occupant ahead of impact to the vehicle, by releasing air through said perforations in said flexible membrane during transient inertial loading of the airbag by the occupant, and absorbing air through perforations upon expansion of said foam pad;
wherein the seat is configured to be removably attached to the vehicle;
wherein the seat is configured to support a child;
wherein the seat is configured to provide lateral support to the child;
and wherein said supplementary porous filling material comprising a foam pad within, and plurality of vents comprising perforations in the flexible membrane enable adjustment of compression characteristics during impact of said first airbag to protect the occupant during inertial loading of the occupant under side impact conditions to the vehicle.
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Abstract
A system of air cushions to protect during impact, an occupant in a vehicle seat comprising elements for protection of the head and neck.
21 Citations
19 Claims
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1. A child seat for use in a vehicle comprising:
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a first airbag configured to protect an occupant during side impact to the vehicle, prefilled with air supplemented with a porous filling material within, and having a plurality of vents configured to evacuate said air at a controlled rate upon impact during side impact to the vehicle; wherein said porous filling material comprises a foam pad; wherein said airbag is constructed with a flexible membrane adjoining said foam pad; wherein said plurality of vents comprise perforations on said flexible membrane; wherein an inertial loading of the occupant on the airbag compresses the foam pad and exhausts air through the perforations on said flexible membrane during lateral inertial loadings by the occupant; wherein said first airbag pre-filled with air and with said porous filling material comprising a foam pad within is enabled to cushion an occupant ahead of impact to the vehicle, by releasing air through said perforations in said flexible membrane during transient inertial loading of the airbag by the occupant, and absorbing air through perforations upon expansion of said foam pad; wherein the seat is configured to be removably attached to the vehicle; wherein the seat is configured to support a child; wherein the seat is configured to provide lateral support to the child; and wherein said supplementary porous filling material comprising a foam pad within, and plurality of vents comprising perforations in the flexible membrane enable adjustment of compression characteristics during impact of said first airbag to protect the occupant during inertial loading of the occupant under side impact conditions to the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An airbag for use in a child seat in a vehicle:
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wherein the seat is configured to be removably attached to the vehicle; wherein the seat comprises first and second sides; wherein the seat comprises a shell, configured to partially surround the occupant and comprising a first support element and second support element on the first and second sides respectively configured to provide lateral support; wherein the first support element and the second support element are contiguous with a bottom support element and a back support element to cradle a lower body of the occupant with support; and wherein said airbag is prefilled with air supplemented with a porous filling material within and further comprising; a plurality of vents configured to evacuate said air at a controlled rate upon a force of impact of an occupant'"'"'s head during impact to the vehicle; wherein said porous filling material comprises a foam pad; wherein said airbag is constructed with a flexible membrane adjoining said foam pad; wherein said plurality of vents comprise perforations on said flexible membrane; wherein the inertial loading of the occupant compresses the foam and exhausts air through the perforations during lateral inertial loadings by the occupant; wherein said airbag pre-filled with air and with said porous filling material comprising a foam pad within is enabled to cushion an occupant ahead of impact to the vehicle, by releasing air through said perforations in said flexible membrane during transient inertial loading, and absorbing air through perforations upon expansion of said foam pad; wherein said supplementary porous filling material comprising a foam pad and plurality of vents comprising perforations in the flexible membrane enable adjustment of compression characteristics of said airbag to protect the occupant during impact to the vehicle; and wherein the airbag is configured to be located proximate a side of the occupant'"'"'s head. - View Dependent Claims (13, 14, 15, 16)
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17. A passive air cushion system comprising:
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a child seat configured to be removably attached to a vehicle, and configured to support a child; wherein the child seat includes first and second sides configured to extend on either side of the head and neck of the child; a first air cushion attached to the first side and a second air cushion attached to the second side; a slidable mechanism mounted on said child seat to adjust the height of a head restraint assembly with the first and second air cushions; wherein the first and second air cushions are each prefilled with air supplemented with a porous filling material within, and each include a plurality of vents configured to evacuate said air at a controlled rate upon the force of impact to an occupant'"'"'s head during side impact to the vehicle; wherein the first and second air cushions pre-filled with air and porous filling material are enabled with said air and porous filling materials to cushion an occupant ahead of impact; and wherein the system is configured to protect a child'"'"'s head and neck under side impact conditions to the vehicle. - View Dependent Claims (18, 19)
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Specification