Patent ID: 8726425

Claim:
A helmet comprising: a wake stabilizer, the wake stabilizer including: left and right side flow-straightening faces separately provided to two sides of the helmet and each independently extending rearward along the side surface of the helmet from bilaterally symmetric side surface positions of both sides of a body wake flow portion to a rear surface of the helmet, respectively, the bilaterally symmetric side surface positions being offset from a maximum width of the helmet toward the rear surface of the helmet; and a wind separating portion generating a longitudinal edge extending longitudinally on a rear edge of each of the left and right side flow-straightening faces, wherein the wind separating portion is each of a pair of left and right wind separating portions and configured to generate longitudinal edges on separately provided rear edges of the left and right side flow-straightening faces, respectively; and a rear spoiler, the rear spoiler including: a top flow-straightening face extending rearward within the maximum width of the helmet from a body top portion toward the rear; and a wind separating portion generating a lateral edge extending horizontally on a rear edge of the top flow-straightening face, wherein the wake stabilizer is provided at a lower level than the rear spoiler below the lateral edge of the rear spoiler, the lateral edge of the rear spoiler serving as a boundary between the wake stabilizer and the rear spoiler, and wherein the wind separating portion of the rear spoiler is arranged rearward of the helmet than the wind separating portion of the left and right side flow-straightening faces.