US2010299813A1PendingUtilityA1

Head Protection Apparatus

47
Individually held — no corporate assignee on recordPriority: Jun 30, 2005Filed: Jun 8, 2010Published: Dec 2, 2010
Est. expiryJun 30, 2025(expired)· nominal 20-yr term from priority
Inventors:Don Morgan
A42B 3/124A42B 3/128
47
PatentIndex Score
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Cited by
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References
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Claims

Abstract

An improved helmet padding includes a multi-layered liner including an innermost layer consisting of a comfort liner designed to engage the head of the user, and having an outer surface covered by an inner surface of a relatively low density foam layer. The relatively low density foam layer consists of a first region of relatively uniform thickness with an outer area from which a multiplicity of protuberances extend radially outwardly. The radially outward layer of the inventive padding consists of a layer of relatively high density foam. The outer layer includes a plurality of recesses corresponding to the protuberances of the inner layer and sized to snugly receive the conical protuberances therewithin. The outer surface of the outer foam layer is shaped and configured to engage the outer shell of a helmet in which it is installed.

Claims

exact text as granted — not AI-modified
1 - 20 . (canceled) 
     
     
         21 . Head protection apparatus comprising:
 a first layer of foam padding and a second layer of foam padding, said first layer of foam padding having a density different than density of said second layer of foam padding;   wherein said first layer of foam padding defines a plurality of integrally formed protuberances, and said second layer of foam padding defines a plurality of integrally formed recesses sized to receive, with surface contact, corresponding ones of said protuberances; and   wherein said first and second layers of foam padding are assembled together with said protuberances received within corresponding ones of said recesses.   
     
     
         22 . Head protection apparatus according to  claim 21 , further comprising:
 a comfort liner for engaging the head of the user, the comfort liner secured to an inner surface of the assembly of the first and second layers of foam padding.   
     
     
         23 . Head protection apparatus according to  claim 21 , wherein:
 said second layer of foam padding covers said first layer of foam padding.   
     
     
         24 . Head protection apparatus according to  claim 23 , wherein:
 said first layer of foam padding is disposed inside said second layer of foam padding and nearer to the user's head.   
     
     
         25 . Head protection apparatus according to  claim 24 , wherein:
 density of said first layer of foam padding is less than density of said second layer of foam padding.   
     
     
         26 . Head protection apparatus according to  claim 25 , wherein:
 density of said first layer of foam padding is in the range between 25 kg/m 3  and 50 kg/m 3 .   
     
     
         27 . Head protection apparatus according to  claim 25 , wherein:
 density of said second layer of foam padding is in the range between 60 kg/m 3  and 90 kg/m 3 .   
     
     
         28 . Head protection apparatus according to  claim 21 , further comprising:
 a hard shell secured to an outer surface of the assembly of the first and second layers of foam padding.   
     
     
         29 . Head protection apparatus according to  claim 21 , wherein:
 said protuberances are conical in shape.   
     
     
         30 . Head protection apparatus according to  claim 21 , wherein:
 said protuberances are frusto-conical in shape.   
     
     
         31 . Head protection apparatus according to  claim 21 , wherein:
 said protuberances have a circular base.   
     
     
         32 . Head protection apparatus according to  claim 21 , wherein:
 said protuberances have a polygonal base.   
     
     
         33 . Head protection apparatus according to  claim 32 , wherein:
 the polygonal base has a configuration selected from the group including a square configuration, pentagonal configuration, hexagonal configuration, and octagonal configuration.   
     
     
         34 . Head protection apparatus according to  claim 21 , wherein:
 said protuberances have a pointed end.   
     
     
         35 . Head protection apparatus according to  claim 34 , wherein:
 each of said pointed ends terminates at a location spaced from a peripheral surface of said second layer of foam padding.   
     
     
         36 . Head protection apparatus according to  claim 35 , wherein:
 said location is offset in range between 1 mm and 5 mm from said peripheral surface of said second layer of foam padding.   
     
     
         37 . Head protection apparatus according to  claim 34 , wherein:
 each of said pointed ends is contiguous with a peripheral surface of said second layer of foam padding.   
     
     
         38 . Head protection apparatus according to  claim 21 , wherein:
 each of said protuberances has a width in the range between 18 mm and 22 mm.   
     
     
         39 . Head protection apparatus according to  claim 21 , wherein:
 each of said protuberances has a height in the range between 20 mm and 25 mm.   
     
     
         40 . Head protection apparatus according to  claim 21 , wherein:
 adjacent protuberances are spaced apart from one another by a distance in the range between 0.5 mm and 5.0 mm.   
     
     
         41 . Head protection apparatus according to  claim 21 , wherein:
 said first layer of foam padding and said second layer of foam padding both comprise polystyrene foam.

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