Earseal for sound-attenuating earcup assembly
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United States of America Patent
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-
Jun 4, 1991
Grant Date -
N/A
app pub date -
Jun 29, 1989
filing date -
Jun 29, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A resilient annular earseal for sealing the region between an earcup shell and a wearer's head is formed with an aperture for receiving the wearer's ear and has an outer peripheral portion projecting a predetermined first distance toward the wearer's head and an inner peripheral portion projecting a predetermined second distance toward the wearer's head that is appreciably greater than the first distance. Since the inner peripheral portion contacts the wearer's head along a strip that is closer to the ear, and hence more predictable in its three-dimensional contour, it forms an effective seal around the entire periphery of the ear.
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Family
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