Detachable adjustable mouth mask

Abstract

A detachable adjustable mouth mask includes a base frame member, a shade fastened to the base frame member to provide a curved, surface for covering over the user's mouth and nose, a chin support connector providing a clamping groove and friction ribs for fastening to the base frame member and lugs with radial teeth, a chin support providing connection members pivotally coupled to the lugs of the chin support connector with radial teeth thereof angularly adjustably engaged with the radial teeth of the chin support connector and a spacer block providing a ventilation passage for exhaust of exhaled air, and a pair of ear loops for securing the chin support to the user's ears.

What the invention claimed is: 
     
         1 . A detachable adjustable mouth mask, comprising a base frame member, a shade, a chin support, a chin support connector, and a pair of ear loops, wherein said base frame member is configured to fit the curvature of a human face; said shade comprises a bottom side fastened to said base frame member such that said shade defines with said base frame member a curved surface; said chin support connector is detachably fastened to a middle part of said base frame member, comprising a clamping groove for securing said base frame member, a plurality of friction ribs disposed in said clamping groove for friction engagement. with said base frame member, and at least one connection member; said chin support comprises at least one connection member respectively and angularly adjustably connected to the at least one connection member of said chin support connector, and two extension arms respectively extended from two opposite lateral sides thereof; said ear loops are respectively connected to said extension arms of said chin support for hanging on the ears of a person. 
     
     
         2 . The detachable adjustable mouth mask as claimed in  claim 1 , wherein each connection member of said chin support connector comprises a lug, and a pivot hole located on said lug; each connection member of said chin support comprises a pivot pin pivotally coupled to the pivot hole of one respective connection member of said chin support connector. 
     
     
         3 . The detachable adjustable mouth mask as claimed in  claim 1 , wherein each connection member of said chin support connector comprises a round head stud having a round head; each connection member of said chin support comprises a ball socket pivotally coupled to the round head of the round head stud of one respective connection member of said chin support connector, and a plurality of slits located on said ball socket. 
     
     
         4 . The detachable adjustable mouth mask as claimed in  claim 1 , wherein said base frame member comprises a thin wall portion located on a middle part thereof and inserted into said clamping groove of said chin support connector in friction engagement with said friction ribs. 
     
     
         5 . The detachable adjustable mouth mask as claimed in  claim 1 , wherein said chin support comprises a spacer block located on an inner side thereof for direct contact with the user's chin to keep said shade away from the user's mouth and nose at a distance, said spacer block defining with said chin support connector and said base frame member a ventilation passage for exhaust of exhaled air. 
     
     
         6 . The detachable adjustable mouth mask as claimed in  claim 1 , wherein said chin support comprises a spacer block located on an inner side thereof for direct contact with the user's chin to keep said shade away from the user's mouth and nose at a distance, said spacer block defining with said chin support connector and said base frame member a ventilation passage for exhaust of exhaled air. 
     
     
         7 . The detachable adjustable mouth mask as claimed in  claim 2 , wherein each connection member of said chin support connector further comprises a plurality of teeth radially located on one side of the lug thereof around the associating pivot hole; each connection member of said chin support further comprises a plurality of teeth radially located on one side around the pivot pin thereof for engagement with the teeth of the respective connection member of said chin support connector in a detachable manner. 
     
     
         8 . A detachable adjustable mouth mask, comprising a base frame member, a shade, a chin support, and a pair of ear loops wherein said base frame member is configured to fit the curvature of a human face, comprising a plurality of lugs extended from an inner side thereof and a pivot hole located on each said lug; said shade comprises a bottom side fastened to said base frame member such that said shade defines with said base frame member a curved surface; said chin support comprises a plurality of connection members, each said connection member comprising a pivot pin pivotally coupled to the pivot hole on one lug or said base frame member, and two extension arms respectively extended from two opposite lateral sides thereof; said ear loops are respectively connected to said extension arms of said chin support for hanging on the ears of a person. 
     
     
         9 . The detachable adjustable mouth mask as claimed in  claim 8 , wherein each said lug of said base frame member comprises a plurality of teeth radially located on one side thereof around the associating pivot hole; each connection member of said chin support further comprises a plurality of teeth radially located on one side around the pivot pin thereof for engagement with the teeth of the respective lug of said base frame member in a detachable manner. 
     
     
         10 . The detachable adjustable mouth mask as claimed in  claim 8 , wherein said chin support comprises a spacer block located on an inner side thereof for direct contact with the user's chin to keep said shade away from the user's mouth and nose at a distance, said spacer block defining with said base frame member a ventilation passage for exhaust of exhaled air. 
     
     
         11 . A detachable adjustable mouth mask, comprising a base frame member, a shade, a chin support, and a pair of ear loops, wherein said base frame member is configured to fit the curvature of a human face, comprising two clamping plates extended from two distal ends of an inner side thereof and a plurality of plug rods extended from the inner side and spaced between said two clamping plates, each said clamping plate comprising a clamping groove and a plurality of friction ribs disposed in said clamping groove; said shade comprises two end protrusions respectively extended from two distal ends of a bottom side thereof and respectively inserted into the clamping grooves of said clamping plates of said base frame member in friction engagement with the friction ribs in said clamping grooves; said chin support comprises a plurality of connection members, each said connection member comprising a plug hole coupled to one respective plug rod of said base frame member, a plurality of friction ribs disposed in said plug hole for friction engagement with the inserted plug rod of said base frame member, and two extension arms respectively extended from two opposite lateral sides thereof; said ear loops are respectively connected to said extension arms of said chin support for hanging on the ears of a person. 
     
     
         12 . The detachable adjustable mouth mask as claimed in  claim 11 , wherein said shade comprises a plurality of through holes disposed near the bottom side thereof and respectively coupled to the plug rods of said base frame member. 
     
     
         13 . The detachable adjustable mouth mask as claimed in  claim 11 , wherein said shade comprises a plurality of bottom notches located on the bottom side thereof and respectively attached to the plug rods of said base frame member. 
     
     
         14 . The detachable adjustable mouth mask as claimed in  claim 11 , wherein said shade is selectively bonded to said base frame member using an adhesive or high-frequency sealing technology. 
     
     
         15 . The detachable adjustable mouth mask as claimed in  claim 11 , wherein said base frame member further comprises a supplementary clamping plate extended from the inner side thereof on the middle, said supplementary clamping plate comprising a clamping groove for receiving the bottom side of said shade and a plurality of friction ribs disposed in the clamping groove for friction engagement with the inserted bottom side of said shade. 
     
     
         16 . A detachable adjustable mouth mask, comprising a base frame member configured to fit the curvature of a human face, a shade, a chin support and a pair of ear loops, said base frame member comprising a plurality of lugs extended from an inner side thereof, said chin support comprising a plurality of connection members respectively pivotally coupled to the lugs of said base frame member, said ear loops being respectively connected to said chin support for hanging on the ears of a person, wherein said base frame comprises two clamping plates respectively from two distal ends of an inner side thereof, each said clamping plate comprising a clamping groove and a plurality of friction ribs disposed in said clamping groove, said shade comprises a plurality of coupling holes located on a bottom side thereof and respectively coupled to the lugs of said base frame member and two end protrusions respectively extended from two distal ends of the bottom side and respectively inserted into the clamping grooves of said clamping plates of said base frame member in friction engagement with the friction ribs in said clamping grooves, each said coupling hole comprising a narrow bottom entrance elastically expandable for allowing the respective lug of said base frame member to be engaged into the respective said coupling hole. 
     
     
         17 . The detachable adjustable mouth mask as claimed in  claim 16 , wherein each said connection member of said chin support comprises a pivot pin pivotally coupled to one respective said lug of said base frame member; each said lug of said base frame member comprises a pivot hole pivotally coupled to the pivot pin of the respective connection member of said chin support, a neck connected to the inner side of said base frame member, and a collar extending around the periphery of the neck thereof for supporting the bottom side of said shade on the inner side of said base frame member, the distance between said collar and the inner side of said base frame member being equal to the thickness of the bottom side of said shade. 
     
     
         18 . The detachable adjustable mouth mask as claimed in  claim 16 , wherein said chin support comprises two extension arms respectively extended from two opposite lateral sides thereof; said ear loops are respectively connected to said two extension arms of said chin support. 
     
     
         19 . The detachable adjustable mouth mask as claimed in  claim 17 , wherein each said lug of said base frame member further comprises a plurality of teeth radially disposed at one side around the pivot hole thereof; each said connection member of said chin support comprises a plurality of teeth radially disposed at one side around the pivot pin thereof for engagement with the teeth of the respective lug of said base frame member. 
     
     
         20 . The detachable adjustable mouth mask as claimed in  claim 17 , wherein said base frame member further comprises a supplementary clamping plate extended from the inner side thereof on the middle between said lugs said supplementary clamping plate comprising a clamping groove for receiving the bottom side of said shade and a plurality of friction ribs disposed in the clamping groove for friction engagement with the inserted bottom side of said shade. 
     
     
         21 . The detachable adjustable mouth mask as claimed in  claim 17 , wherein each said lug of said base frame member is made in the form of a round head stud, said round head stud comprising a round head and a neck connected between said round head and the inner side of said base frame member; said chin support comprises a plurality of connection members and two extension arms respectively extended from two opposite lateral sides thereof, each said connection member comprising a ball socket pivotally coupled to the round head of one respective round head stud of said base frame member to stop the bottom side of said shade against the inner side of said base frame member and a plurality of slits located on said ball socket; said two ear loops are respectively connected to said extension arms of said chin support for hanging on the ears of a person.