Patent ID: 6355071
Filing Date: 2002-03-12
Classification: A61F

Abstract:
A knee joint comprising:a body portion; a sleeve provided at a lower end of said body portion for holding a rod; a cushioning device having an end pivotally connected with said body portion via a first pin extending through a hole at said lower end of said body portion, another end of said cushioning device being provided with a bearing; a rotating device rotatably connected with said bearing of said cushioning device by a second pin which extends through said rotating device, said rotating device having a top formed with an orifice in which is fitted a button; an elastomer fitted on a top of said body portion for absorbing shock and impact produced; a pivot portion adapted to be installed in a thigh of a user; a cover engaged with a bottom of said pivot portion and connected with said rotating device by a third pin extending through said rotating device; a sleeve member fitted in said rotating device and having a clearance; a one-way bearing fitted in said sleeve member; two baffles mounted on two ends of said rotating device and each provided with a bearing; a shaft extending through said body portion and said one-way bearing to engage with a first screw thereby enabling said rotating device to rotate with respect to said shaft; and a second screw fitted within said cover and engaged with a press rod such that turning of said second screw will adjust position of said press rod.