| 摘要 |
PURPOSE: A protection helmet is provided, which supports the rear of wearer's head and makes a chin strap formed in a form of the straight line. CONSTITUTION: A protection helmet comprises: a shell(50) which is formed in a hemi-spherical shape and protects the head from the external impact; a liner which is installed inside the shell; a pair of perpendicular chin straps(70) which are prepared on the inner side of the shell and are directly connected to the shell in the vertical state of the straight line; a perpendicular chin strap fixing member; a rear strap(90) which adheres closely to of the rear of the head; and a rear strap fixing member which is prepared on the inner side of the shell. |
