Patent ID: 6923093

Claim:
A tool drive system comprising: a) at least one rotatable first shaft, comprising at least one first gear, having at least one first axis of rotation; b) at least one rotatable second shaft, comprising at least one second gear, having at least one second axis of rotation; and c) at least one movement transferer structured and arranged to rotate said at least one rotatable second shaft when said at least one rotatable first shaft is rotated; d) wherein said at least one movement transferer further comprises i) at least one connector structured and arranged to connect said at least one rotatable first shaft and said at least one rotatable second shaft, ii) at least one angle setter structured and arranged to set at least one angle between said at least one first axis of rotation and said at least one second axis of rotation, and iii) at least one balancer structured and arranged to use opposed gear plates to balance torque transfer between said at least one first gear and said at least one second gear; e) wherein said at least one rotatable first shaft further comprises at least two positively each respective shaft comprising at least one first gear, having at least one first axis of rotation; f) wherein said angle setter comprises a positive lock structured and arranged to positively positionally lock the at least one angle; g) wherein said at least one angle setter comprises at least one housing structured and arranged to positionally stabilize the at least one angle; h) at least one gear plate comprising at least one first unique circular set of first gear teeth on said at least one gear plate and at least one second unique circular set of second gear teeth on said at least one sear plate; and i) at least one gear positioner structured arid arranged to position at least one of said at least one first gear and said at least one second gear in a gear-tooth-locking relationship with a user-selected one of said at least one first unique circular set of first gear teeth on said at least one gear plate and said at least one second unique circular set of second gear teeth on said at least one gear plate.