Block head structure of electric toothbrush
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United States of America Patent
Stats
-
Feb 8, 2005
Grant Date -
Jan 22, 2004
app pub date -
Dec 18, 2002
filing date -
Jul 22, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A block head structure for an electric toothbrush. The structure can be slipped over and connected to a driving end on the block handle of an electric toothbrush of different style. The structure includes a block head sleeve, a set of bristles, a driving axle bush and a connecting portion. The driving axle bush has an excavated section corresponding to the position of the driving axle. A bridge-like member is provided above the excavated section. When the driving axle is slipped into the axle hole, the inner side of the bridge-like member is elastically expanded outwardly by abutment and pressing of a driving surface on the driving axle, so that a reaction force is generated to forcedly press the driving surface. The driving axle bush is driven by the driving axle to move the set of bristles to rotate rightwards and leftwards repeatedly.
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Family
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Cited Art Landscape
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