Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1982-05-17
1984-05-01
Peshock, Robert
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
A61C 105
Patent
active
044458606
ABSTRACT:
A rechargeable fluid driven dental tool. A hand piece includes a hollow handle forming a container chargeable with a liquefied gas. A rotatable turbine mounted in the head of the tool is connected by means of a passage to the container of liquefied gas. A control valve extending into the passage controls the amount of gas flow to the turbine with a pressure relief valve limiting maximum liquid flow and allowing the liquefied gas to change to gas for driving the turbine.
REFERENCES:
patent: 2871562 (1959-02-01), Kern
patent: 3589126 (1969-04-01), Zotto
patent: 3987633 (1976-10-01), Ford
patent: 4092830 (1978-06-01), Rilett
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