Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Patent
1982-08-13
1984-07-17
Peshock, Robert
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
A61C 100
Patent
active
044603371
ABSTRACT:
The present invention is directed to a dental handpiece having two parts which are coupled together for relative rotation on the axis of the dental handpiece characterized by an arrangement for conveying light through the handpiece and including a rotatable optical coupling having at least one transmission ring.
REFERENCES:
patent: 3109238 (1963-11-01), Marks
patent: 3590232 (1971-06-01), Sadowski
patent: 4020556 (1977-05-01), Sotman
Landgraf Hermann
Schuss Werner
Worschischek Rainer
Peshock Robert
Siemens Aktiengesellschaft
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