Visor-type mask for dentists
OwnerTimothy J. Landisinventor
Life of this patent
Estimating the term…
Abstract
A mask to protect dentists from handpiece splatter which contains all manner of germs and viruses and has a visor which attaches to the head above the eyes and a transparent shield which extends down below the mouth. The shield is preferably detachable from the visor for cleaning and replacement. The visor has a vent for air circulation which may be closed by a cover for protection. A filter may be applied to the shield for eye protection when ultraviolet light is being used for curing plastic tooth cavity fillings.
Claims30
A face mask comprising a visor, first means for supporting said visor projecting forward from the head of the wearer above eye level, a shield supported by said visor, said shield being transparent over at least a substantial portion of its area, and second means attaching said shield to said visor to extend down from said visor to below the mouth and around the face to protect the eyes, nose and mouth, said first means comprising a resilient band having a center around the front of the head and discrete, thin, flexible ends engaging the sides of the head, said ends terminating spaced from the back of the head.
A face mask comprising a visor, first means for supporting said visor projecting forward from the head of the wearer above eye level, a shield, said shield being transparent over at least a substantial portion of its area, and second means attaching said shield to said visor to extend down from said visor to below the mouth and around the face to protect the eyes, nose and mouth, said shield being formed of a sheet of flexible, transparent plastic having an upper edge and downward converging side edges, said filter comprising a piece of filter material and detachable means for attaching a filter, said piece to said sheet of transparent plastic.
A face mask comprising a visor, first means for supporting said visor projecting forward from the head of the wearer above eye level, a shield, said shield being transparent over at least a substantial portion of its area, and second means attaching said shield to said visor to extend down from said visor to below the mouth and around the face to protect the eyes, nose and mouth, said shield being provided with a filter area to protect eyes from harmful rays.
A shield for a mask of the type described comprising a sheet of flexible, transparent plastic having an upper edge and is formed with a plurality of holes spaced slightly below the said upper edge.
Dependencies are inferred from the claim text.