PERSONAL ELECTRIC CLEANING TOOL
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United States of America Patent
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app pub date -
Jan 29, 2014
filing date -
Jan 29, 2014
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Abstract
A personal electric cleaning tool comprises: a handle accommodating a driving element therein; a head connected with a supporting body supporting a cleaning element, the supporting body defining a first engaging shape; and a transmission rod, one end thereof far away from the head being operably connected to the driving element and the other end thereof near the head being fixedly provided with a driving wheel defining a second engaging shape matched with the first engaging shape, so that the supporting body rotates in a reciprocating manner along with the driving wheel as the transmission rod is driven by the driving element, wherein one of the first engaging shape and the second engaging shape is a shape defined by two conical tooth surfaces facing each other on one bevel gear, while the other one is a shape defined by one conical tooth engaged with the two conical tooth surfaces.
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