Lever actuated chuck mechanism for dental handpiece
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United States of America Patent
Stats
-
Aug 20, 1985
Grant Date -
N/A
app pub date -
Nov 21, 1984
filing date -
Nov 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a dental handpiece, a drawback bur chuck actuable to open by a cam lever mounted atop the handpiece head and acting axially downward on the chuck against a spring which urges the chuck upward into clamping engagement with a bur shank when the cam lever is in its closed position. The cam lever is rotatable on the axis of the chuck to a position to suit the convenience of the user. The chuck is removable for cleaning and positive means are provided to prevent over travel of the chuck to thereby prevent its permanent deformation.
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Family
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Cited Art Landscape
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