Scaler for cleaning teeth
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 1990
Grant Date -
N/A
app pub date -
May 20, 1988
filing date -
Jun 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The scaler includes a housing which is an angle piece and includes a grip housing and an instrument housing positioned at an angle to the grip housing. A scraper is inserted in a bearing sleeve mounted in bearings in the instrument housing and can be moved into different angular positions relative to the circumference of the bearing sleeve and can be fixed by rotating a coupling ring. A drive shaft is mounted in the grip housing. The drive shaft at its end face is provided with an eccentrically positioned driving pin and a coaxial bearing pin. An eccentric member is pivotable within an angular range on the bearing pin. This range is determined by the size of a recess formed in the eccentric member. A spring-loaded rocker cooperates with the eccentric member to perform a rapid jerky movement of the scraper relative to the instrument housing when the eccentric surface formed in the eccentric member faces the rocker.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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