Patent ID: 8251621
Filing Date: 2012-08-28
Classification: B23B,B23Q,Y10T

Abstract:
1. A drill with lands, flutes, a shank, a tip and cutting edges configured to be held by a chucking device, which chucking device is configured to supply coolant to said drill shank; said drill comprising: an element for feeding coolant to said drill shank being configured to align with and receive coolant from a coolant source in a chucking device; said coolant feeding element comprises a female, frusto-conical portion; said female, frusto-conical portion comprising a first diameter and a second diameter; said first diameter of said female, frusto-conical portion being smaller than said second diameter of said female, frusto-conical portion; said first diameter of said female, frusto-conical portion being disposed toward a chucking device; said second diameter of said female, frusto-conical portion being disposed toward said drill tip; a male, frusto-conical distributing element comprising a first diameter and a second diameter; said first diameter of said male, frusto-conical distributing element being smaller than said second diameter of said male, frusto-conical distributing element; said first diameter of said male, frusto-conical distributing element being disposed toward a chucking device; said second diameter of said male, frusto-conical distributing element being disposed toward said drill tip; said male, frusto-conical distributing element being disposed adjacent to and being configured to mate with said female, frusto-conical portion of said coolant feeding element upon assembly; said coolant feeding element comprising: said male, frusto-conical distributing element comprising at least one channel; said at least one male, frusto-conical distributing element channel comprising at least one inlet opening being configured to receive coolant from said coolant feeding element channel; a base portion of said male, frusto-conical distributing element being disposed on a side of said male, frusto-conical distributing element opposite to said at least one inlet opening of said at least one male, frusto-conical distributing element channel, which said base portion is configured to be disposed immediately adjacent said drill shank; said at least one male, frusto-conical distributing element channel comprising at least one outlet in said base portion of said male, frusto-conical distributing element; said drill shank being disposed adjacent said base portion of said male, frusto-conical distributing element; said drill shank comprising: