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Breathing mask

  • US 8,851,074 B2
  • Filed: 01/20/2012
  • Issued: 10/07/2014
  • Est. Priority Date: 01/20/2012
  • Status: Active Grant
First Claim
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1. A breathing mask comprising:

  • a mask body havinga frame having two side ends and a through hole defined through the frame; and

    a first universal socket bracket mounted securely in the through hole and havinga rear end;

    a mounting hole defined through the first universal socket bracket and having an inner surface; and

    a first spherical recess being annular and defined in the inner surface of the mounting hole;

    a mounting bracket mounted securely on the mask body and havinga second universal socket bracket being hollow and tubular and havinga rear end;

    a fastening hole defined through the second universal socket bracket and having an inner surface; and

    a second spherical recess being annular, defined in the inner surface of the second universal socket bracket and located adjacent to the first spherical recess; and

    an assembling member formed on and protruding backward from the second universal socket bracket;

    a universal connecting tube mounted universally pivotally in the mask body and the mounting bracket, protruding forward from the mask body and havinga front end;

    a rear end;

    anda ball joint formed on the rear end of the universal connecting tube, mounted universally rotatably in the first and second spherical recesses; and

    a connection bracket mounted on the assembling member of the mounting bracket opposite to the mask body.

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