Patent ID: 6435178
Filing Date: 2002-08-20
Classification: B63C

Abstract:
A swim mask with floating air-suction device, comprising:a mask provided at two lateral sides with at least one set of straps for firmly attaching said mask to a wearer's head to tightly cover the wearer's eyes and nose in a watertight manner to prevent external water from entering into said mask; a floating air-suction device connected to said mask at a predetermined position, said floating air-suction device including an air hose having a first end connected to said mask and a second end associated with a float; said float normally floating said air hose so that an end opening of said second end of said air hose is always located above a surface of water; whereby when the wearer inhales simply in a normal breathing manner, external fresh air only is sucked via said second end of said air hose to supply to said mask; a one-way exhaust valve fixedly mounted on said mask at a predetermined position, said one-way exhaust valve including a first valve body defining a first hollow valve chamber therein, a first end of said first valve chamber being provided with a plurality of first through holes for communicating said first valve chamber with a space outside said mask, and a second end of said first valve chamber being provided with a plurality of second through holes for communicating said first valve chamber with a space inside said mask; and a first valve diaphragm being supported on a central valve stem provided in said first hollow valve chamber, such that said first valve diaphragm normally tightly covers and closes an inner side of said second through holes to prevent external water from entering into said mask via said second through holes; whereby when the wearer exhales via nose, air exhaled by the wearer pushes and bends an outer periphery of said first valve diaphragm toward said first end of said first valve chamber to open said second through holes, allowing exhaled air to pass said second through holes, said first hollow valve chamber, and said first through holes and into the space outside said mask; and, a one-way sniffing valve fixedly mounted on said mask at a predetermined position and connected to said first end of said air hose, said one-way sniffing valve including a second valve body defining a second hollow valve chamber therein, a first end of said second valve chamber being provided with a plurality of third through holes for communicating said second valve chamber with a space inside said mask, and a second end of said second valve chamber being provided with a plurality of fourth through holes for communicating said second valve chamber with said air hose; and a second valve diaphragm being supported on a central valve stem provided in said second hollow valve chamber, such that said second valve diaphragm normally tightly covers and closes an inner side of said fourth through holes to prevent air exhaled by the wearer from entering into said air hose via said fourth through holes; whereby when the wearer inhales via nose, external fresh air is continuously sucked into said air hose to push and bend an outer periphery of said second valve diaphragm toward said first end of said second valve chamber via said fourth through holes, allowing sucked air to enter into said second valve chamber via said fourth through holes and pass said third through holes into said mask, and when there is any water entering into and accumulated in said mask, the wearer may easily drain the accumulated water simply by breathing continuously in a normal manner.