Embodiments of a car seat include an outer protective shell, an inner seat, a suspension system connecting and permitting relative movement between the inner seat and the outer protective shell. The suspension system may include a plurality of deformable webs. Also, at least one padding element may
Embodiments of a car seat include an outer protective shell, an inner seat, a suspension system connecting and permitting relative movement between the inner seat and the outer protective shell. The suspension system may include a plurality of deformable webs. Also, at least one padding element may be in contact with and interposed between the outer protective shell and the inner seat. In an accident, regardless of the direction in which the seat is facing and regardless of whether the result is a sudden acceleration and/or deceleration, the inner seat will move inside the frame, and the suspension system will absorb some, much, or all of the energy either by elastic or plastic deformation. Energy not absorbed by the suspension system may be absorbed by the inner seat itself and/or an anchor system used to connect the car seat to a vehicle.
대표청구항▼
1. A car seat for an occupant, comprising: a) a unitary inner seat having a seat portion and a back portion continuous with said seat portion thereby preventing relative rotation between said back portion and said seat portion;b) an outer protective shell having a front wall, a back wall, and opposi
1. A car seat for an occupant, comprising: a) a unitary inner seat having a seat portion and a back portion continuous with said seat portion thereby preventing relative rotation between said back portion and said seat portion;b) an outer protective shell having a front wall, a back wall, and opposing side walls extending around and protecting said inner seat, said outer protective shell configured to be connected to a vehicle; andc) a suspension system coupling and permitting relative movement between said inner seat and said outer protective shell, said suspension system suspending said inner seat substantially within said outer protective shell between the walls thereof, wherein said suspension system includes a plurality of flexible and deformable webs connecting said inner seat to said outer protective shell. 2. The car seat according to claim 1, further comprising: d) a plurality of padding elements wherein, said outer protective shell has an inner surface and wherein said plurality of padding elements extend between said inner surface of said outer protective shell and said inner seat. 3. The car seat according to claim 1, wherein: said at least one of said webs is constructed to plastically deform when said inner seat moves into contact with said outer protective shell. 4. The car seat according to claim 1, wherein: said at least one of said webs is formed of one or more woven fibers. 5. The car seat according to 1, wherein: said at least one of said webs is constructed to experience elastic or plastic deformation based on the relative position of said inner seat with respect to said outer protective shell. 6. The car seat according to claim 1, further comprising: at least one safety strap connected between said inner seat and said outer protective shell, said safety strap having an ultimate tensile load limit that is greater than respective ultimate tensile load limits of each of the webs. 7. The car seat according to claim 1, wherein: said suspension system further includes at least one energy absorber connected to at least one of the webs between said inner seat and said outer protective shell. 8. The car seat according to claim 7, wherein said energy absorber has a spring constant that is different from said web to which said energy absorber is connected. 9. The car seat according to claim 2, wherein: said outer protective shell has a major dimension extending along a longitudinal axis and wherein at least one of said padding elements extends along said longitudinal axis. 10. The car seat according to claim 1, wherein: said inner seat is comprised of an outer shell layer and an inner shell layer removably coupled to said outer shell layer. 11. The car seat according to claim 10, further comprising: a handle coupled to said inner shell layer. 12. The car seat according to claim 1, wherein: said suspension system is elastically and plastically deformable. 13. The car seat according to claim 1, wherein: said inner seat includes an outer shell layer and an inner shell layer removably coupled to said outer shell layer; andsaid car seat further includes a coupling element to removably couple said inner shell layer to said outer shell layer. 14. A car seat for an occupant, comprising: a) a unitary inner seat having a seat portion and a back portion continuous with said seat portion thereby preventing relative rotation between said back portion and said seat portion;b) an outer protective shell having a front wall, a back wall, and opposing side walls extending around and protecting said inner seat, said outer protective shell configured to be connected to a vehicle; andc) a suspension system coupling and permitting relative movement between said inner seat and said outer protective shell, said suspension system suspending said inner seat substantially within said outer protective shell between said front wall, back wall, and opposing side walls thereof,wherein said suspension system includes at least one flexible and deformable web member connected between said inner seat and said opposing side walls of said outer protective shell, at least one flexible and deformable member connected between said inner seat and said front wall of said outer protective shell, and at least one flexible and deformable member connected between said inner seat and said back wall of said outer protective shell. 15. The car seat according to claim 14, wherein said at least one flexible and deformable member connected between said inner seat and said opposing side walls of said outer protective shell is connected to a buttocks area of said inner seat. 16. The car seat according to claim 14, wherein said at least one flexible and deformable member connected between said front wall of said outer protective shell and said inner seat is connected to a leg area of said inner seat. 17. The car seat according to claim 14, wherein: said suspension system is elastically and plastically deformable.
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