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Breathing Mask With Variable Airflow Resistance Insert

  • US 20160129286A1
  • Filed: 11/07/2014
  • Published: 05/12/2016
  • Est. Priority Date: 11/07/2014
  • Status: Abandoned Application
First Claim
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1. A breathing resistance insert for a breathing mask, comprising:

  • an air resistance valve including,a cap having a first surface and a second surface opposite said first surface, and a first plurality of apertures each of which extends from said first surface to said second surface, said first plurality of apertures being spaced apart from one another and arranged in an arcuate arrangement, anda base attached rotatably to said cap, said base having a shank portion and a head located at one end of said shank portion, said head having a first surface and a second surface opposite said first surface of said head, and a second plurality of apertures each of which extends from said first surface of said head to said second surface of said head, said second plurality of apertures being spaced apart from one another and arranged in an arcuate arrangement,wherein said cap is rotatable relative to said base between a first position, in which each of said first plurality of apertures of said cap is aligned with a corresponding one of said second plurality of apertures of said base, and a second position, in which one of said first plurality of apertures of said cap is aligned with one of said second plurality of apertures of said base, and the remainder of said first plurality of apertures of said cap is not aligned with any of the remainder of said second plurality of apertures of said base; and

    a connecting ring attached to said shank portion of said base, said ring adapted to be secured to a breathing port of the breathing mask.

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