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US 5,080,535 AGranted
Drill chips removing device
AssigneeYukio Hirano
InventorYukio Hirano
Life of this patent
Estimating the term…
Abstract
A drill chips removing device, comprising a sleeve or a ring formed with a through hole at its central portion for axially passing said drill therethrough and provided with a fixing device for fixing the sleeve or the ring to the drill.
Claims3
A drill chips removing device, comprising:
- a sleeve or a ring formed with a through hole for passing said drill and provided with a fixing means for fixing said sleeve or said ring to said drill,
- wherein said sleeve or ring is formed with a projection at the upper portion thereof, said projection being inserted into a gap defined between jaws of a chuck gripping said drill, for preventing said sleeve or ring from slipping relative to said chuck, and interconnecting said chuck, drill and sleeve.
Dependencies are inferred from the claim text.