Electric toothbrush
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United States of America Patent
Stats
-
Nov 15, 2005
Issued Date -
N/A
app pub date -
Apr 13, 2004
filing date -
Jun 28, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In one aspect, the present invention is directed to an electric toothbrush. The toothbrush includes a housing, an electric motor, a first transmission and a second transmission. The electric motor is connected to the housing has a motor output member for rotation about a motor output axis. The first transmission is connected to the housing, and converts rotational movement from the motor output member into rotational reciprocating movement at a first average angular speed. The second transmission is linked to the first transmission, and converts rotational reciprocating movement from the first transmission into rotational reciprocating movement at a second average angular speed about a second transmission output axis that is parallel to the motor output axis. The second transmission drives an output member to reciprocate at the second average angular speed about the second transmission output axis. A brush head is removably connectable to the output member.
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Family
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