Reducing brain injury by limiting brain motion during sudden deceleration or acceleration of the head
US-2024099928-A1 · Mar 28, 2024 · US
US9566497B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9566497-B2 |
| Application number | US-201313874885-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 1, 2013 |
| Priority date | May 1, 2013 |
| Publication date | Feb 14, 2017 |
| Grant date | Feb 14, 2017 |
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Official abstract text for this publication.
A liner assembly for a protective helmet which includes a wrap-around pad designed to be engaged to the inner surface of a helmet. The wrap-around pad has multiple substantially circular cells spaced along a curved line around the inner surface. The assembly also has a crown pad and two jaw pads. Each jaw pad is an cell L-shaped cell. Each cell is made of an inner sheet, an outer sheet and multiple, outwardly-projecting hollow protrusions.
Opening claim text (preview).
What is claimed is: 1. A protective helmet assembly comprising: a rigid shell adapted to cover the head of a wearer, the rigid shell having an inner surface with a concave curvature having a front portion, a rear portion, a crown portion, a pair of opposite side portions each connected to the front, crown and rear portions, and a pair of opposite jaw flaps respectively connected to the pair of side portions; a liner assembly positioned on the inner surface of the shell adapted to engage a head of a wearer, the liner assembly comprising, a wrap-around pad removably engaged to the front, side and rear portions of the inner surface, the wrap-around pad having a plurality of circular cells spaced along a curved line around the inner surface, and at least one additional cell at each end of the curved line; a crown pad removably engaged to the crown portion of the inner surface, the crown pad comprises of a first cell, a second cell and a third cell; the second cell and the first cell defining a first four-sided, groove-shaped slot between the first cell and the second cell; and the second cell and the third cell defining a second four-sided, groove-shaped slot between the second cell and the third cell, wherein the first cell, the second cell and the third cell define separate enclosures; two jaw pads, each jaw pad removably engaged to a respective one of the jaw flaps, and each jaw pad comprising one cell having two curvilinear segments, the curvilinear segments meeting at an angle, wherein the crown pad, the jaw pads, and the wrap-around pad are all entirely spaced apart from one another, and wherein each cell of the wrap-around pad, the crown pad and the jaw pads includes an outer sheet of thermoplastic and an inner sheet of thermoplastic, wherein the respective perimeters of the outer sheet and the inner sheet are joined by a weld, each inner sheet being adapted to engage the head of a player wearing the helmet and defines one enclosure for each cell. 2. The helmet of claim 1 , wherein each cell of the wrap-around pad, the crown pad and the jaw pads contains a foam cushion. 3. The helmet of claim 2 , wherein the outer sheet of each cell of the wrap-around pad, the crown pad and the jaw pads defines multiple spaced apart, outwardly-projecting hollow protrusions contacting the inner surface of the shell, each of the protrusions having an open base near the foam cushion and a flat peak contacting the inner surface of the shell, the base having a larger diameter than a diameter of the peak, and each of the protrusions also having a conical side wall that tapers from the base to the peak. 4. The helmet of claim 1 , wherein the at least one additional cell at each end of the curved line is located above the curved line. 5. The helmet of claim 1 , wherein the at least one additional cell at each end of the curved line is located below the curved line. 6. The helmet of claim 1 , wherein the shell has a plurality of apertures therethrough for allowing air to move into and out of the shell. 7. The helmet of claim 1 , wherein the shell has a plurality of four-sided, groove-shaped slots through the crown portion. 8. The helmet of claim 7 , wherein the four sided, groove-shaped slots of the crown pad overlap with the four-sided, groove-shaped slots in the shell for improved ventilation. 9. A protective batting helmet assembly, comprising: a rigid shell adapted to cover the head of a wearer, the rigid shell having an inner surface with a concave curvature having a front portion, a rear portion, a crown portion, a pair of opposite side portions each connected to the front, crown and rear portions, and a pair of opposite jaw flaps respectively connected to the pair of side portions; a liner assembly positioned on the inner surface of the shell adapted to engage a head of a player wearing the helmet, the liner assembly comprising, a wrap-around pad removably engaged to the front, side and rear portions of the inner surface, the wrap-around pad having a plurality of circular cells spaced along a curved line around the inner surface; a crown pad removably engaged to the crown portion of the inner surface, the crown pad having three cells; and two jaw pads, each jaw pad removably engaged to a respective one of the jaw flaps; wherein the crown pad, the jaw pads, and the wrap-around pad are all entirely spaced apart from one another, and wherein each cell of the wrap-around pad, the crown pad and the jaw pads includes an outer sheet of thermoplastic and an inner sheet of thermoplastic, wherein the respective perimeters of the outer sheet and the inner sheet are joined by a weld, each inner sheet being adapted to engage the head of a player wearing the helmet and defines one enclosure for each cell. 10. The helmet of claim 9 , wherein the wrap-around pad has at least one additional cell at each end of the curved line. 11. The helmet of claim 10 , the at least one additional cell being located above the curved line. 12. The helmet of claim 10 , the at least one additional cell being located below the curved line. 13. The helmet of claim 9 , wherein each of the jaw pads comprises one cell having two curvilinear segments, the curvilinear segments meeting at an angle. 14. The helmet of claim 9 , wherein each cell of the wrap-around pad, the crown pad and the jaw pads contains a foam cushion. 15. The helmet of claim 14 , wherein the outer sheet of each cell of the wrap-around pad, the crown pad and the jaw pads define multiple spaced apart, outwardly-projecting hollow protrusions contacting the inner surface of the shell, each of the protrusions having an open base near the foam cushion and a flat peak contacting the inner surface of the shell, the base having a larger diameter than a diameter of the peak, and each of the protrusions also having a conical side wall that tapers from the base to the peak. 16. The helmet of claim 9 , wherein the shell has a plurality of apertures therethrough for allowing air to move into and out of the shell.
for the head ({A63B71/081 takes precedence } ; in the form of caps or hats A42B1/08; helmets A42B3/00) · CPC title
Linings (A42B3/16 takes precedence) · CPC title
with a padded structure, e.g. foam · CPC title
with removable or adjustable pads · CPC title
Baseball, rounders or similar games · CPC title
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