Patent ID: 6338342
Filing Date: 2002-01-15
Classification: A62B

Abstract:
A respirator to be worn on the head of a wearer, the respirator having a face mask portion to seal against the face of the wearer and cartridge type filters mounted on opposing sides of the mask, the respirator comprising:a yoke attached to the face mask, the yoke having a pair of openings fitting over the filters, a hinge disposed on a front portion of the yoke, and a pair of guide holes positioned in the yoke; a latch pivotally attached to the hinge, the latch pivoting between an unlatched and latched position and having a pair of lock holes positioned at an end portion opposite the hinge; a headpiece forming a continuous substantially ring shape having a crown portion fitting over a top portion of the head, a base portion fitting over a back portion of the head, a side portion positioned on opposite sides of the ring between the crown portion and the base portion, an upper cord attachment hole positioned between each of the side portions and the crown portion, and a lower strap attachment loop positioned between each of the side portions and the base portion; a pair of upper cords attached to the headpiece at the upper attachment holes and passing through the guide holes and the lock holes; and a pair of lower straps disposed between the lower strap attachment loops and a pair of attachment points positioned at a bottom portion of the yoke.