They Invented What? (No. 94)
U.S. Pat. No. 4,344,424: Anti-eating face mask.
What is claimed is:
1. A face mask for preventing the introduction of substances into the mouth of the wearer comprising in combination;
a cup shaped member conforming generally to the shape of the mouth and chin area of the wearer’s face below the nose, said cup shaped member formed of rigid material with openings to allow breathing therethrough,
means for mounting said cup shaped member over the mouth including plural straps extending from said cup over the head of the wearer,
one of said straps provided with a means for separation to allow for placement and removal of said face mask, and a lock at said separation means to prevent removal of said face mask, said mounting means further including a hoop member of rigid material adapted to extend over the user’s head and chin and a flexible strap having end portions connected to said hoop member for extending around the back of the user’s head and a strap member adapted to extend over the top of the user’s head, said strap member being connected at opposite ends to said hoop member and to said strap intermediate the ends of said strap, said separation means including a staple adjacent one end portion of said strap, and an aperture in said strap one end portion in longitudinally spaced relationship with said staple, said strap one end portion arranged to be looped around said hoop member for insertion of said staple in said aperture and said lock engageable with said staple extending through said aperture for locking said strap one end portion to said hoop member, wherein said hoop member is attached to said cup shaped member by plural rods extending therebetween, two of said rods attached to opposed sides of said cup shaped member, a third said rod attached to a lowermost portion of said hoop member.
2. A face mask in accordance with claim 1 wherein said cup-shaped member comprises a screen formed of a plurality of wires, said wires in said screen defining said openings therebetween.