Ykk Corporation

Yukio Kamagata

Tomohisa Ishida

Ryoichiro Uehara

Hitoshi Kaneko

A buckle, which comprises a female body and a male body, which may be inserted each other and prevents rocking in right and left directions and clattering of the female body and the male body at the time, is provided. A buckle comprising a female body formed with a flat housing and a male body having a pair of right and left flexible insertion legs, wherein when the female body and the male body are inserted to engage, the butting surfaces between the female body and the male body on a plane, that is, butting portions are formed with horizontal straight portions on both sides of the butting portions as well as a concave portion at the center in female body and a convex portion in the male body, or a convex portion in the female body and a concave portion in the male body continuously formed, so as to join the female body to the male body in the condition closely in contact.

Growing community of inventors

Tokyo-to, Japan

Yukio Kamagata