Complex motion toothbrush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 27, 2004
Grant Date -
May 8, 2003
app pub date -
Nov 6, 2001
filing date -
Nov 6, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrically driven toothbrush has a rotatable shaft with a cam preferably at a remote end of the shaft, which fits into a slot in a bristle holder. The holder is mounted for rotation in a toothbrush head. When the shaft rotates cam describes a circle and drivingly engages the slot to cause the holder to vibrate in a first brushing motion. A second bristle holder is also driven by the shaft, for a second kind of brushing motion. The second bristle holder is driven through and engagement with a portion of the remote end and/or with one or more additional cams or cam portions included on the shaft.
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