| 摘要 |
<p>A method of forming a sprocket comprising forming a circular blank having a plane (100) cutting a plurality of radially extending slots (10) about the outer circumference (11) of the blank (100) thereby forming a plurality of adjacent tabs (12) bending the tabs 90 degrees to the blank plane and forming each tab (12) into a tooth form with a groove disposed between adjacent teeth.</p> |
