Patent ID: 7070365
Filing Date: 2006-07-04
Classification: B23B,B23Q,Y10T

Abstract:
1. A drill bit assembly, comprising: hex stock; a drill bit permanently installed within an aperture of a hex stock; a tool bit holder assembly formed as a part of a gear drive of a motor assembly; a conducting tube having an inside surface of a first specified diameter and an outside surface having a second diameter wherein the conducting tube is machined to scalingly mate with an internally machined flange within the hex stock to prevent the fluid from leaking between the drill bit, the conducting tube and the hex stock; a sleeve mounted about the conducting tube, the sleeve bored and threaded and cut flush to substantially mate with the outside surface of the conducting tube; and an elbow connector mounted within the sleeve, the elbow connector for receiving a fluid from a tube coupled thereto and for conducting the fluid into the sleeve and into the conducting tube.