Mask

Abstract

A shock absorber, for use with headgear having a faceguard, has a sliding member that does not extend beyond the support structure of the shock absorber in a way that would leave it vulnerable to damage. A headgear having a faceguard provides a protected mounting location for mounting a shock absorber for the faceguard.

What is claimed is: 
     
         1 . A shock absorber for supporting a protective faceguard relative to a head-engaging member, the shock absorber comprising:
 a support structure adapted for rigid attachment to one of the head-engaging member and the faceguard;   a guide rod supported by said support structure in a fixed position relative to said support structure, said guide rod having first and second end portions, a length, and a longitudinal axis;   a sliding member guided by said guide rod for rectilinear movement in a direction parallel to said longitudinal axis of said guide rod, said sliding member being adapted for rigid attachment to another one of the head engaging member and the faceguard; and   a resilient member acting on said sliding member to bias said sliding member toward said first end portion of said guide rod, wherein said resilient member can absorb at least a portion of the impact energy of an object impacting the faceguard when the impact causes said sliding member to move toward said second end portion of said guide rod.   
     
     
         2 . The shock absorber according to  claim 1 , wherein said sliding member has an opening therethrough and said guide rod extends through said opening. 
     
     
         3 . The shock absorber according to  claim 2 , wherein said support structure supports said guide rod at said first end portion of said guide rod and at said second end portion of said guide rod. 
     
     
         4 . The shock absorber according to  claim 3 , wherein said resilient member is a coil spring having a plurality of coils and said guide rod extends through said plurality of coils. 
     
     
         5 . The shock absorber according to  claim 4 , wherein said coil spring is positioned intermediate a portion of said sliding member and said second end portion of said guide rod. 
     
     
         6 . The shock absorber according to  claim 5 , wherein said coil spring has a first end and a second end and wherein said first end of said coil spring bears directly or indirectly against a portion of said sliding member and said second end of said coil spring bears directly or indirectly against a portion of said support structure proximate said second end portion of said guide rod. 
     
     
         7 . The shock absorber according to  claim 5 , wherein said sliding member has at least one hole for engagement by at least one sliding member fastener to thereby rigidly attach said sliding member to the another one of the head engaging member and the faceguard. 
     
     
         8 . The shock absorber according to  claim 7 , wherein said support structure has means for engagement by at least one support structure fastener to thereby rigidly attach said support structure to the one of the head engaging member and the faceguard. 
     
     
         9 . The shock absorber according to  claim 1 , wherein said support structure is a bracket comprising a base plate, a first endplate having a hole for said first end portion of said guide rod, a second endplate having a hole for said second end portion of said guide rod, a first lateral flange provided on a first side of said base plate, and a second lateral flange provided on a second side of said base plate, said first endplate being provided proximate a first end of said base plate, said second endplate being provided proximate a second end of said base plate opposite said first endplate. 
     
     
         10 . The shock absorber according to  claim 9 , wherein said first lateral flange extends approximately laterally from said first side of said base plate, said second lateral flange extends approximately laterally from said second side of said base plate in a direction approximately opposite that of said first lateral flange. 
     
     
         11 . The shock absorber according to  claim 9 , wherein each of said first lateral flange and said second lateral flange has means for engagement by at least one support structure fastener to thereby rigidly attach said support structure to the one of the head engaging member and the faceguard. 
     
     
         12 . The shock absorber according to  claim 1 , wherein movement of said sliding member is limited to a portion of said length of said guide rod. 
     
     
         13 . The shock absorber according to  claim 1 , wherein said guide rod is a first guide rod having said first and second end portions, said length, and said longitudinal axis, and the shock absorber further comprises a second guide rod extending parallel to said first guide rod, wherein said second guide rod has first and second end portions, a length, and a longitudinal axis extending parallel to said longitudinal axis of said first guide rod. 
     
     
         14 . The shock absorber according to  claim 13 , wherein said sliding member has a first opening therethrough and said first guide rod extends through said first opening and said sliding member has a second opening therethrough and said second guide rod extends through said second opening. 
     
     
         15 . The shock absorber according to  claim 14 , wherein said support structure supports said first guide rod at said first end portion of said first guide rod and at said second end portion of said first guide rod and said support structure supports said second guide rod at said first end portion of said second guide rod and at said second end portion of said second guide rod. 
     
     
         16 . The shock absorber according to  claim 15 , wherein said resilient member is a first coil spring having a plurality of coils and said first guide rod extends through said plurality of coils of said first spring, and the shock absorber comprises a second coil spring having a plurality of coils and said second guide rod extends through said plurality of coils of said second spring. 
     
     
         17 . The shock absorber according to  claim 16 , wherein said first coil spring is positioned intermediate a first portion of said sliding member and said second end of said first guide rod, and said second coil spring is positioned intermediate a second portion of said sliding member and said second end of said second guide rod. 
     
     
         18 . The shock absorber according to  claim 17 , wherein said first coil spring has a first end and a second end and wherein said first end of said first coil spring bears directly or indirectly against a first portion of said sliding member and said second end of said first coil spring bears directly or indirectly against a first portion of said support structure proximate said second end of said first guide rod, and said second coil spring has a first end and a second end and wherein said first end of said second coil spring bears directly or indirectly against a second portion of said sliding member and said second end of said second coil spring bears directly or indirectly against a second portion of said support structure proximate said second end of said second guide rod. 
     
     
         19 . The shock absorber according to  claim 17 , wherein said sliding member has at least one hole for engagement by at least one sliding member fastener to thereby rigidly attach said sliding member to the another one of the head engaging member and the faceguard. 
     
     
         20 . The shock absorber according to  claim 19 , wherein said support structure has means for engagement by at least one support structure fastener to thereby rigidly attach said support structure to the one of the head engaging member and the faceguard. 
     
     
         21 . The shock absorber according to  claim 13 , wherein said support structure is a bracket comprising a base plate, a first endplate having a first hole for said first end portion of said first guide rod and a second hole for said first end portion of said second guide rod, a second endplate having a first hole for said second end portion of said first guide rod and a second hole for said second end portion of said second guide rod, a first lateral flange provided on a first side of said base plate, and a second lateral flange provided on a second side of said base plate, said first endplate being provided proximate a first end of said base plate, said second endplate being provided proximate a second end of said base plate opposite said first endplate. 
     
     
         22 . The shock absorber according to  claim 21 , wherein said first lateral flange extends approximately laterally from said first side of said base plate, said second lateral flange extends approximately laterally from said second side of said base plate in a direction approximately opposite that of said first lateral flange. 
     
     
         23 . The shock absorber according to  claim 21 , wherein each of said first lateral flange and said second lateral flange has means for engagement by at least one support structure fastener to thereby rigidly attach said support structure to the one of the head engaging member and the faceguard. 
     
     
         24 . The shock absorber according to  claim 13 , wherein movement of said sliding member in a direction parallel to said longitudinal axis of said first guide rod is limited to a portion of said length of said first guide rod. 
     
     
         25 . A protective headgear comprising:
 a head-engaging portion;   a faceguard; and   a plurality of shock absorbers according to  claim 1 , each of said plurality of shock absorbers connecting said faceguard to said head-engaging portion.   
     
     
         26 . The headgear in accordance with  claim 25 , wherein said head-engaging portion comprises first and second frame members, said first frame member being larger than said second frame member and being sized to substantially surround a wearer's face, a plurality of pairs of L-shaped bars connecting said second frame member to said first frame member, each pair of L-shaped bars supporting a respective one of said plurality of shock absorbers such that said respective shock absorber is in a protected location between said first frame member and said second frame member of said head-engaging portion. 
     
     
         27 . A protective headgear comprising:
 a head-engaging portion;   a faceguard; and   a plurality of shock absorbers, each of said plurality of shock absorbers connecting said faceguard to said head-engaging portion,   wherein said head-engaging portion comprises first and second frame members, said first frame member being larger than said second frame member and being sized to substantially surround a wearer's face, a plurality of pairs of L-shaped bars connecting said second frame member to said first frame member, each pair of L-shaped bars supporting a respective one of said plurality of shock absorbers such that said respective shock absorber is in a protected location between said first frame member and said second frame member of said head-engaging portion.   
     
     
         28 . The shock absorber according to  claim 2 , further comprising:
 a tubular sleeve provided in engagement with said opening of said sliding member, said guide rod extending through said tubular sleeve, so as to reduce the possibility of said sliding member jamming on said guide rod.   
     
     
         29 . The shock absorber according to  claim 14 , further comprising:
 a first tubular sleeve provided in engagement with said first opening of said sliding member, said first guide rod extending through said first tubular sleeve, so as to reduce the possibility of said sliding member jamming on said first guide rod; and   a second tubular sleeve provided in engagement with said second opening of said sliding member, said second guide rod extending through said second tubular sleeve, so as to reduce the possibility of said sliding member jamming on said second guide rod.