Sound multiplier
OwnerSwayze W. Brownfieldinventor
Life of this patent
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Abstract
An acoustic amplifier securable detachably to the ears and supported by a head piece to amplify sound without the use of electricity.
Claims1
A sound amplifier comprising a pair of similar cups adapted to fit over a persons ears, in combination with a fitting adapted to be mounted on a persons head wherein each cup comprises a flat flange of spiral contour adapted to fit sealingly about a persons ear, wherein said flange has an upper end and a spaced lower end connected with an intermediate portion of spiral contour, including an integral outer shell of spiral contour extending outwardly from the flange having a transverse oval curvature providing an enclosure for the ear, said shell having an outer periphery terminating at the ends of the flange and a side opening between the said ends bounded by curved edges, wherein said fitting includes a curved member adjustably mounted on spaced vertical bars, including vertical sleeves projecting from the shells mounted movably on said bars.
Dependencies are inferred from the claim text.