Drive system for potentiometer adjustment

A drive system for a potentiometer control mechanism, comprising:

• a cam having a top end and a bottom end, a substantially rounded front surface, and a back surface,
• at least one cam bracket;
• wherein the top end of said cam is pivotally connected with said cam bracket;
• a capstan assembly, divided longitudinally into at least two parts capable of being selectively mated, wherein one part has a longitudinal hollow portion capable of selectively engaging with a potentiometer shaft;
• a strap, having two ends, with a pair of substantially parallel extensions at one end and a single extension at the opposite end,
• wherein the ends of said strap are held between the parts of said capstan assembly and said strap is disposed about said capstan assembly and said cam;
• a strap bracket that couples with the back surface of said cam,
• and wherein said strap is positioned between the back surface of said cam and said strap bracket.