Hjc Co., Ltd.

Hong-jin Crown Co., Ltd.

Young-Il Kim

Chang-Seob Lee

Dal Busco Giacomo

Kwang-Moon Choi

Jeong-Hwan Park

A device for opening-closing sun visor of a helmet is disclosed. The device comprises a helmet bodyprovided in front with an opening portionfor the face and having a pair of hinge shaftsprotruded on both the left and right sides, a sun visorhaving a visor portionplaced on the side of the opening portionof the helmet body, extending portionsextended to the left and right sides of the visor portion, and hinge slotsformed at the ends of the extending portions; and an opening-closing mechanismhaving a sliderconnected to the top center of the visor portionof the sun visor, a guide railwhich is attached to the ceiling of the helmet body, and a guide holderwhich is attached lengthwise to the top center of the helmet body.

Device for opening-closing sun visor of helmet

A device for opening-closing jaw guard of a helmet is disclosed. The device has a hinge meanscomprising fixed plateswhich are fixed on both the left and right sides of the helmet bodyand each of which has a long hole, operating plateswhich are fixed on the inside of the left and right extending portionsof the jaw guardand each of which has an arc-shaped internal gear, a planetary gearwhich is engaged with the internal gearof the operating plate, and has a protuberanceformed on either side, and a cutaway portionformed on the outer circumference; and a pivoting leverwhich has a shaft protuberanceof front end inserted into the cutaway portionof the planetary gearand a penetration holeof rear end inserted into the main bossof the operating plate

Device for opening-closing jaw guard of helmet

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

Gunpo-si, South Korea

Young-Il Kim