Patent ID: 7147409
Filing Date: 2006-12-12
Classification: B23B,Y10T

Abstract:
1. A combination tool for drilling a bore and countersink, the tool comprising: a countersink member comprising a longitudinal sleeve having a first end and a second end, the sleeve containing a longitudinal bore through the sleeve from the first end to the second end, wherein the bore is sized to receive a drill bit, a radial slot through a wall of the sleeve having an elongate length extending along a longitudinal length of the sleeve in communication with the longitudinal bore, and a cutting edge located at the first end of the sleeve; a collar slidably inserted over the sleeve, the collar containing a radial bore through a wall of the collar, the radial bore being in communication with the radial slot of the countersink member; and a insertable through the radial bore of the collar and into the radial slot the countersink member and the fastening mechanism movable in the radial slot along the longitudinal length thereof to adjust a position of the collar relative to the countersink member and the fastening mechanism being tightened to engage the drill bit inserted into the longitudinal bore of the countersink member to secure the drill bit, countersink member, and collar relative to one another.