Rotatable tool suitable for high speed drive

Details Rotatable tool suitable for high speed drive Rotatable tool suitable for high speed drive

1995-11-03

1997-08-12

O'Connor, Cary E.

Dentistry

Apparatus

Tool bit

A61C 302

Patent

active

056559070

ABSTRACT:
A rotatable tool that is suitable for high-speed drives has a shaft for holding the tool in a suitable chucking device and one end of the shaft contains a tool head with an active working surface. To provide improved cooling of the tool, the tool head is provided with a central in-flow channel fashioned as a blind hole from which a plurality out-flow channels discharge to the working surface of the tool head.

REFERENCES:
patent: 2442033 (1948-05-01), Brantly et al.
patent: 3842632 (1974-10-01), Nelson
patent: 3892117 (1975-07-01), Nelson
patent: 4975056 (1990-12-01), Eibofner
patent: 5100322 (1992-03-01), Weissman
patent: 5261818 (1993-11-01), Shaw
Technica, 20/1980, p. 1762.

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