Mask coupling apparatus

  • US Patent No. 9826793
  • Issued: November 28, 2017
  • Status: Active
Medical & Biotechnology

A mask coupling apparatus coupled to an outer surface of a helmet and couplings of a mask including an adjusting mechanism comprising a single elastic strap coupled to the mask at both ends via the couplings, where the ends of the elastic strap are free to adjust the length of the mask coupling apparatus.

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