Patent ID: 8113750

Claim:
A method of forming multiple gears for multiple gear ratios comprising: selecting a first gear ratio and a second gear ratio, wherein a first hypoid gear set defines the first gear ratio and a second hypoid gear set defines the second gear ratio, wherein the first hypoid gear set includes a first ring gear that is formed with at least one first inside blade and at least one first outside blade coupled to a first gear cutter, and wherein the second gear set includes a second ring gear that is formed with at least one second inside blade and at least one second outside blade coupled to a second gear cutter; identifying parameters of the first inside blade and the second inside blade; communizing at least a portion of the respective identified parameters; and forming at least one of a common inside blade and a common outside blade for forming a first modified ring gear and a second modified ring gear; adjusting said inside and outside blades to cut multiple gears having multiple gear ratios.