Cordless handpiece for dental treatment

Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool

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Details

433126, 310 50, A61C 106

Patent

active

043559778

ABSTRACT:
The disclosure relates to improvements in a cordless handpiece for dental treatment having storage batteries and an electric motor incorporated therein. The improvements are that the cutting tool is increased in cutting performance and that the replacement of a contra angle and a straight tool has been facilitated.

REFERENCES:
patent: 3109238 (1963-11-01), Marks
patent: 3229369 (1966-01-01), Hoffmeister et al.
patent: 3902248 (1975-09-01), Bareth
patent: 3942392 (1976-03-01), Page, Jr. et al.
patent: 4103196 (1978-07-01), Saito et al.
patent: 4114276 (1978-09-01), Malata et al.

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