Alloy bearing for dental scaler

Details Alloy bearing for dental scaler Alloy bearing for dental scaler

1990-09-05

1991-11-05

O'Connor, Cary E.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

A61C 308

Patent

active

050627970

ABSTRACT:
An improved rotor shaft for a vibratory dental scaling instrument. The shaft includes a metal substrate having a surface layer of nickel-boron alloy. The alloy surface layer provides a durable bearing surface for a rotor rotatably mounted on the shaft. The thus fabricated scaling instrument is capable of being heat sterilized without adverse effects on its rotary components.

REFERENCES:
patent: 3811190 (1974-05-01), Sertich
patent: 4330282 (1982-05-01), Nash
patent: 4484988 (1984-11-01), Robinson

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