Patent ID: 8869354
Filing Date: 2014-10-28
Classification: A42B,A44B,Y10T

Abstract:
1. A ratchet buckle for helmets comprising; a ratchet adapted to be fastened to a strap provided inside the helmet, wherein multiple tabs for engagement are provided on a surface of the ratchet, and a buckle comprising: wherein when the operating member is pulled up and rotated in a second direction in which the rear end of the operating member moves away from the base member, a front end of the operating member contacts a front end of the engagement/releasing member, and when the operating member is further pulled up and rotated in the second direction, the front end of the operating member pushes the front end of the engagement/releasing member to move together in the second direction, the engagement part and both ends of the center convex part of the engagement/releasing member rotate to release an engagement with the tab of the ratchet.