Patent ID: 6413180
Filing Date: 2002-07-02
Classification: B60K,F16H

Abstract:
A power transmitting mechanism comprising:first and second driving sprockets mounted to a single drive shaft, each of said first and second driving sprockets having a plurality of spaced teeth, the teeth of said first driving sprocket and the teeth of said second driving sprocket being of substantially identical pitch and being offset from each other by one-half pitch; first and second driven sprockets mounted to a single driven shaft, each of said first and second driven sprockets being aligned with said first and second driving sprockets, respectively; a first silent chain trained around said first driving sprocket and said first driven sprocket; a second silent chain trained around said second driving sprocket and said second driven sprocket; said teeth of said first driving sprocket and said teeth of said second driving sprockets having a random pitch which varies in a random pattern along the circumference of said first and second driving sprockets; and each of said first and second silent chains being composed of toothed link plates, and all of the toothed link plates of each of said chains being of identical configuration, the first and second chains having substantially the same pitch, and said pitch being uniform throughout the length of each of said first and second silent chains.