Rotary electric toothbrush with a swing head
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United States of America Patent
Stats
-
Sep 28, 2004
Grant Date -
Dec 4, 2003
app pub date -
Jun 3, 2002
filing date -
Jun 3, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric toothbrush comprised of a handle and a neck; the handle containing a swing link connected to a motor and a cell cabinet; the neck also containing a crank to drive a brush head and another swing link abutted to its counterpart in the handle characterized by that a rotor being inserted to the motor shaft; a U-shape member inserted to the swing link in the handle; the U-shape member being engaged by friction due to reciprocal impact from the rotor thus to drive the swing link in the neck; and the crank further driving the brush head to execute lateral swing at an angle of thirty degrees to achieve the optimal tooth brushing effect.
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Family
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