Patent ID: 6405576
Filing Date: 2002-06-18
Classification: B30B

Abstract:
A press, comprising:a slider; said slider is moveable along a vertical axis; a crank shaft; a connecting rod; said connecting rod couples a rotation of said crank shaft to said slider such that said slider moves along said vertical axis in response to a rotation of said crank shaft; a drive link; said drive link having one end; said one end of said drive link is coupled to said slider; a drive connecting link; said drive connecting link having one end; said one end of said drive connecting link is coupled to said drive link; an upper toggle link; said upper toggle link having one end and another end; a fixed pivot; said upper toggle link is pivotably supported at one point by said fixed pivot; said one end of said upper toggle link is coupled to said drive connecting link; a link member; said another end of said upper toggle link is coupled to said slide via said link member; a stroke length adjusting mechanism restricting a pivoting motion of a pivot connecting said drive link and said drive connecting link; wherein said stroke length adjusting mechanism includes a connecting pivot; said connecting pivot projecting from said drive link; a third link; said third link having one end and another end; said one end of said third link is coupled to said connecting pivot; a shaft; a frame; said shaft is pivotably supported by said frame; a second arm; said second arm having one end and another end; said one end of said second arm is coupled to said shaft; said another end of said second arm is coupled to said another end of said third link; and rotating means for rotating said shaft.