Helmet

Abstract

Sealability between a helmet and a shield is improved. The helmet includes a main hat body, a shield, and a seal member. The main hat body is substantially spherical and includes an aperture window that opens forward to provide a field of view to a wearer. The shield is connected to a pair of turning mechanisms protruding from two side faces of the main hat body, and is movable between a closed position at which the shield is located so as to close off the aperture window and an open position at which the shield is located so as to open the aperture window. When the shield is at the closed position, the seal member seals a gap between an upper edge of the shield and an upper edge of the aperture window of the main hat body from a vicinity of one of the turning mechanisms to a vicinity of another of the turning mechanisms. An upper end portion of the shield is inflected toward the main hat body at least at upper edges of left and right end portion vicinities of the seal member.

1 . A helmet comprising:
 a substantially spherical main hat body including an aperture window that opens forward to provide a field of view to a wearer;   a shield connected to a pair of turning mechanisms protruding from two side faces of the main hat body, the shield being movable between a closed position at which the shield closes off the aperture window and an open position at which the shield opens the aperture window; and   a seal member that, when the shield is at the closed position, seals a gap between an upper edge of the shield and an upper edge of the aperture window from a vicinity of one of the turning mechanisms to a vicinity of another of the turning mechanisms of the main hat body,   wherein at least a part of an upper end portion of the shield, at vicinities of upper edges of left and right end portions of the seal member, is inflected toward the main hat body, and the part of the upper end portion of the shield abuts the seal member when the shield is at the closed position.   
     
     
         2 . The helmet according to  claim 1 , wherein the upper end portion of the shield is inflected toward the main hat body at the upper edge from one end portion of the seal member to another end portion of the seal member. 
     
     
         3 . The helmet according to  claim 1 , further comprising cover members that cover rear sides of the turning mechanisms, the cover members being connected with the left and right end portions of the seal member, and closing off gaps between the main hat body and left and right rear portions of the shield. 
     
     
         4 . The helmet according to  claim 3 , wherein the helmet is a full-face type helmet including a chin guard below the aperture window, and the cover members are integral with the chin guard. 
     
     
         5 . The helmet according to  claim 3 , wherein a chin guard is connected to the turning mechanisms, the chin guard being movable between a first position at which the chin guard is located lower than the upper edge of the aperture window and a second position at which the chin guard is located higher than the upper edge of the aperture window, and the cover members being formed to be continuous with the chin guard. 
     
     
         6 . The helmet according to  claim 5 , wherein, when the chin guard is at the first position, upper faces of the seal member at the left and right end portions of the seal member form continuous surfaces with upper faces of the cover members. 
     
     
         7 . The helmet according to  claim 1 , wherein the left and right end portions of the seal member are at rear sides relative to left and right end portions of the aperture window.