Patent ID: 6199455
Filing Date: 2001-03-13
Classification: F16B

Abstract:
A device for use in a torque transmitting system including a driver or the fabrication of components for such a system comprising:a. a body including an axis;b. said body having an outer polygonal cross section defined by a perimeter wall;c. an inner polygonal central portion positioned within said perimeter wall and having an area less than the area of said outer polygonal cross section;d. a drive wall forming a portion of said perimeter wall extending on a plane from a proximal end outwardly from said polygonal central portion to a distal end;e. a first outer wall forming another portion of said perimeter wall and having a proximal end joining the distal end of said drive wall at an angle and a distal end terminating on said perimeter wall; andf. at least a portion of said perimeter wall tapers inwardly in an axial direction in close registration with a matching similarly tapering wall on said perimeter of said driver.