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US 6,065,158 AGranted
Impact indicator for athletic helmets
OwnerGus A. Rush, IIIinventor
Life of this patent
Estimating the term…
Abstract
A helmet includes an outer shell and an inner liner. The inner liner includes a visual indicator to indicate when the helmet has experienced an impact of sufficient force to permanently deform a portion of the inner liner. The visual indicator thus indicates when the helmet no longer offers it's peak level of protection to the wearer and should be repaired or replaced.
Claims13
A helmet, comprising:
- an outer shell;
- and
- an inner liner attached to an interior of the outer shell, wherein the inner liner comprises compressible material and includes a portion that will leave a visible indicator upon an impact to the helmet which exceeds a predetermined level, and wherein the inner liner includes a plurality of layers and a second layer of the plurality of layers will permanently deform upon the impact to the helmet that exceeds the predetermined level.
A helmet, comprising:
- an outer shell;
- and
- an inner liner attached to an interior of the outer shell, wherein the inner liner comprises compressible material and includes a portion that will leave a visible indicator upon an impact to the helmet which exceeds a predetermined level,
- wherein the portion of the liner leaving the visual indicator is constructed of a foamed material, foamed with a colored substance such that upon encountering the impact above the predetermined level, foam cells in the foamed material containing the colored substance burst, leaving a visual color indicator of the impact.
1 more element
A helmet, comprising:
- an outer shell:
- and
- an inner liner attached to an interior of the outer shell, wherein the inner liner comprises compressible material and includes a portion that will leave a visible indicator upon an impact to the helmet which exceeds a predetermined level,
- wherein the portion of the liner leaving a visual indicator is constructed of a foamed material, foamed with a colored substance such that upon encountering an impact above a predetermined level, foam cells in the foamed material containing the colored substance burst, leaving a visual color indicator of the impact and wherein the colored substance is a colored gas.
1 more element
Dependencies are inferred from the claim text.