Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1979-04-02
1981-04-07
Cuchlinski, Jr., William A.
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433120, 433132, A61C 303
Patent
active
042603803
ABSTRACT:
An air-driven dental scaler is disclosed having water transport means for delivering water to a scaling type work tool. The water transport means comprises a tube coaxially disposed within a vibratable hollow shaft. The water tube is supported at one end within a resilient support assembly which provides a water seal between the coaxially disposed vibratable shaft and water transport tube. The water seal assembly is positioned forwardly of a vibrational node characteristic of a standing wave created during operation of the dental scaler. An axial force exerted on the water seal assembly during vibration of the vibratable shaft improves the efficacy of the water seal between the shaft and the water transport tube. The single, resilient support for the water transport tube provides for quick replacement of the water tube in the event of clogging of the tube by mineral deposits or sediment.
The invention is also applicable to air- or fluid-driven vibratory devices having non-driving fluid transport means associated therewith.
REFERENCES:
patent: Re29687 (1978-07-01), Sertich
patent: 3444622 (1969-05-01), Mills et al.
patent: 3589012 (1971-06-01), Richman
patent: 3930173 (1975-12-01), Banko
patent: 4038571 (1977-07-01), Hellenkamp
Cuchlinski Jr. William A.
Dhuey John A.
Syntex (U.S.A.) Inc.
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