Patent ID: 6258128
Filing Date: 2001-07-10
Classification: A61F

Abstract:
An artificial leg, comprising:a thigh section;a hollow lower leg portion; anda knee joint member pivotally connecting said thigh section to said lower leg portion for rotation about an axis, wherein said knee joint member comprises:a) a bearing part embedded in said lower leg portion,b) a joint part connected to said thigh section, andc) an axle part cooperating with said bearing part and said joint part for permitting said lower leg portion to rotate about said axis, said joint part having a first stopper portion and a second stopper portion,wherein said bearing part has a third stopper portion positioned to engage one of said first and second stopper portions when the knee joint member is rotated to a standing position and positioned to engage the other of said first and second stopper portions when the knee joint member is rotated to a kneeling position.