Protective mask

Abstract

A protective mask includes a main body and a lens portion. The main body includes an opening, and two latch cases provided respectively on left and right sides of the opening. Each latch case has a front latch insert hole, top and bottom holes disposed rearwardly of the insert hole, and top and bottom abutment portions each formed between the insert hole and a corresponding one of the top and bottom holes. The lens portion includes a frame covering the opening, and two latches engageable respectively with the latch cases. Each latch includes two spaced-apart resilient arms insertable respectively into the top and bottom holes, and two protrusions projecting outwardly and respectively from the resilient arms and extendable outwardly of the top and bottom holes so as to engage respectively the top and bottom abutment portions.

1 . A protective mask for sports, comprising: 
 a main body including a lens receiving section having an opening, and two latch cases provided respectively on left and right sides of said opening, each of said latch cases having a front latch insert hole, top and bottom holes disposed rearwardly of said front latch insert hole, and top and bottom abutment portions each formed between said front latch insert hole and a corresponding one of said top and bottom holes; and    a lens portion including a frame covering said opening, and two latches provided respectively on left and right sides of said frame and engageable respectively with said latch cases, each of said latches including two spaced-apart resilient arms insertable respectively into said top and bottom holes via said front latch insert holes, and two protrusions projecting outwardly and respectively from said resilient arms and extendable outwardly of said top and bottom holes so as to engage respectively said top and bottom abutment portions.    
   
   
       2 . The protective mask of  claim 1 , wherein each of said latches further includes a plate member extending rearwardly from said frame, said resilient arms extending rearwardly from said plate member.  
   
   
       3 . The protective mask of  claim 2 , wherein said resilient arms have adjoining ends connected to said plate member, said adjoining ends respectively having indentations which are opposite to each other.  
   
   
       4 . The protective mask of  claim 1 , wherein each of said protrusions has a rounded shape.  
   
   
       5 . The protective mask of  claim 1 , wherein said lens portion further includes a lens member provided on and formed integrally with said frame.  
   
   
       6 . The protective mask of  claim 1 , wherein said main body further includes two opposite rear ends, and two buckle holes provided respectively on said rear ends.  
   
   
       7 . The protective mask of  claim 6 , further comprising an elastic head strap engaging said buckle holes.