Patent ID: 6575061
Filing Date: 2003-06-10
Classification: F16B

Abstract:
A device for use in a torque transmitting system or the fabrication of components for such a system comprising:a. a body including an axis; b. said body having a modified cross section, said modified cross section being polygonal, defined by a perimeter wall; c. a polygonal central portion positioned within said perimeter wall and having an area less than the area of said modified 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; and 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 acute angle and a distal end terminating on said perimeter wall; wherein: f. said drive wall is one of a plurality of drive walls, said first outer wall is one of a plurality of first outer walls, and said perimeter wall additionally comprises a plurality of second outer walls having proximal ends respectively joined angularly to each of said distal ends of said first outer walls and having distal ends respectively joined to the proximal ends of each of said successive driver walls.