A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/15, 83/6
A61C 3/02 (2006.01)
Patent
CA 1138232
DENTAL TOOL SHANK ABSTRACT OF THE DISCLOSURE A dental tool such as a drill, burr, anchor and the like which is receivable in a dental hand piece for operative positioning thereof with respect to the teeth of a patient, the dental tool having a body member provided with an operative end portion for association with the teeth and a shank extending from the operative end portion for association with the hand piece. The head portion of the shank is provided with a first arrangement including a flat surface to provide driving engagement between the shank and the hand piece, and a circumferen- tial groove for receiving a latching member of the hand piece for removably engaging the shank in the hand piece. A second similar arrangement is spaced downwardly on the head portion, where additional arrangements may be provided on the shank downwardly along the head portion as desired to provide a series of locations for driving and latching the shank in the hand piece. Preferably, a circumferential notch is provided in the shank between each of the arrangements to permit the severance of the uppermost arrangement or arrangements from the shank to reduce the length of the shank for insertion into the dental hand piece to permit convenient access to operative areas of the patient's mouth.
345386
Kirby Eades Gale Baker
Weissman Bernard
LandOfFree
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