Hong-jin Crown Co., Ltd.

Jeong-Hwan Park

Kwang-Moon Choi

Young-Il Kim

A rotatable coupling structure for a shield and visor of a helmet includes a rotation shaft unit installed at both sides of the helmet body. The shield includes a rotary shaft inserted into a shaft hole in a circular rotation plate member through insertion guide portions at both ends. The visor includes a respective rotary shaft inserted into a shaft hole in the circular rotation plate member. The shield is coupled to the shaft hole of the respective rotary shaft and is rotatable upward and downward at multiple stage stop points, and the visor is assembled to the shaft of the rotary shaft and is fixed at a fixed position without an upward and downward rotation.

Growing community of inventors

Yongin-si, South Korea

Jeong-Hwan Park