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Selective Attenuating Earplug

  • US 20160302975A1
  • Filed: 06/28/2016
  • Published: 10/20/2016
  • Est. Priority Date: 01/04/2013
  • Status: Active Grant
First Claim
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1. A selective attenuating earplug, comprising:

  • a sound attenuating tip having a first end and a second end;

    a body coupled to the sound attenuating tip;

    an acoustic channel extending from a first end of the sound attenuating tip to an aperture of the body; and

    a switch comprising a first cantilever spring arm having a sealing pad, the switch adjustable between a first position in which the aperture is at least partially open to allow passage of sound through the aperture and the acoustic channel and a second position in which the aperture is blocked by the sealing pad;

    wherein the first cantilever spring arm biases the sealing pad towards the aperture in a first position and towards a surface of the body in a second position.

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