Patent ID: 7048664

Claim:
A link plate for a silent chain, in which a plurality of said link plates are arranged in lateral and longitudinal directions and joined pivotably by connecting pins, said link plate having a pair of teeth each formed of an inside flank and an outside flank and a pair of pin apertures to insert said connecting pins thereinto, said link plate having an initial engaging point (E) with a tooth of a sprocket, at a time of meshing of said link plate with said sprocket, on an intersection between said inside flank or said outside flank and a straight line (n) normal to the inside flank or the outside flank, said straight line (n) and the direction of a central line connecting each center (O) of pin apertures forming a pressure angle (α), and being in tangential contact with a circle (C), said circle (C) having a center located at the center (O) of said pin aperture and a radius (r)≦0.25×(P), where (P) is a pin aperture pitch.