Motorcycle helmet

Abstract

A motorcycle helmet having a jaw guard, shield and visor, all of which can be pivoted with one hinge point, is disclosed. The helmet comprises a helmet body 10 , a jaw guard 20 which protects the jaw of the wearer by covering part of said opening 11 of said helmet body 10 , a shield 30 which opens and closes the remaining part of said opening 11 above said jaw guard 20 , a visor 40 which intercepts sunlight incoming into part of said opening 11 in said helmet body 10 , and a fastening screw 50 which is screwed to pivot holes 12 on both left and right sides of said helmet body 10 so as to pivotably move all of the hinge portion 22 of said jaw guard 20 , the latch pivot portion 32 of said shield 30 , and the lever mechanisms 42 of said visor 40 by making pivot holes 12 as a hinge point.

1 . A motorcycle helmet comprising: 
 a helmet body  10  in which an opening  11  for the face is provided on front and pivot holes  12  are formed on both left and right sides;    a jaw guard  20  which protects the jaw of the wearer by covering part of said opening  11  of said helmet body  10  and which can be pivotably moved by hinge portions  22  provided on the extending portions  21  of both left and right sides as a hinge point;    a shield  30  which opens and closes the remaining part of said opening  11  above said jaw guard  20  and which can be pivotably moved by latch pivot portions  32  provided on extending portions  31  on both left and right sides as a hinge point;    a visor  40  which intercepts sunlight incoming into part of said opening  11  in said helmet body  10  and which can be pivotably moved by the lever mechanisms  42  on both left and right sides having control levers  42   a  as a hinge point; and    a fastening screw  50  which is screwed to pivot holes  12  on both left and right sides of said helmet body  10  so as to pivotably move all of the hinge portion  22  of said jaw guard  20 , the latch pivot portion  32  of said shield  30 , and the lever mechanisms  42  of said visor  40  by making pivot holes  12  as a hinge point.    
   
   
       2 . The motorcycle helmet according to  claim 1 , wherein said visor  40  is modularized by comprising a visor body  41  including a visor portion  41   a  for intercepting sunlight incoming into part of said opening  11  in said helmet body  10 , and extending portions  41   d  extended to left and right from said visor portions  41   a  and having visor pivot holes  41   b  and lever inserting holes  41   c  formed at the position eccentric with the visor pivot hole  41   b;    a control lever  42   a  including a protuberance  42   b  at one end thereof which is inserted into the lever inserting hole  41   c  of the visor body  41 , and a lever pivot hole  42   c  at the other end thereof;    a lever arm  42   d  which is inserted into the lever pivot hole  42   c  of the control lever  42   a;      a fastening plate  43  which has a visor pivot  43   b  inserted into the visor pivot hole  41   b  of said visor body  41  and a lever pivot  43   a  inserted into the lever pivot hole  42   c  of said control lever  42   a , and which can fix these on the inside of said helmet body  10 ;    a guide flap  42   f  which is fixed at one end of the lever arm  42   d  of said control lever  42   a  to be introduced within a predetermined range of movement according to the rotation of the lever arm  42   d ; and    an adjusting knob  42   e  which is joined to the lever arm  42   d  of said control lever  42   a  by passing through said guide flap  42   f  and moves within a predetermined range along an arc hole  13  formed on the side of said helmet body  10 .