Patent ID: 8915873

Claim:
A knee brace comprising: an upper brace disposed to correspond to a thigh region of a wearer when the knee brace is worn; a lower brace disposed to correspond to a shin region of the wearer when the knee brace is worn; and a reciprocal hinge connecting the upper brace to the lower brace such that the lower brace is relatively rotated with respect to the upper brace, the reciprocal hinge including a guide plate connected to the upper brace and having first and second guide holes, both of the first and second guide holes having a straight line shape and crossing each other with a preset angle, first and second moving bodies respectively sliding along the first and second guide holes of the guide plate and having first and second coupling members integral with a surface of the moving bodies, and a connecting bar of which one side is connected to the lower brace and the other side is rotatably coupled with the first and second moving bodies by the first and second coupling members respectively, the connecting bar being rotated with respect to the guide plate as the first and second moving bodies slide along the first and second guide holes respectively, wherein the first moving body has a rectangular shape of which a width is the same as a width of the first guide hole and a length is greater than the width of the first moving body, and the second moving body has a rectangular shape of which a width is the same as a width of the second guide hole and a length is greater than the width of the second moving body.