Toothbrush with movable bundles of bristles
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United States of America Patent
Stats
-
Aug 20, 1996
Grant Date -
N/A
app pub date -
Dec 20, 1995
filing date -
Dec 20, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toothbrush wherein a plurality of tubular bristle holders are sleeved onto respective upright pins inside the head of the toothbrush and supported on a respective spring to hold a respective bundles of bristles outside a respective hole at the top of the head of the toothbrush so that each tubular bristle holder is rotated downwards along a spiral groove around the respective upright pin when the respective bundle of bristles is depressed by the teeth, or rotated upwards when the respective bundle of bristles is released from the teeth.
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Family
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Cited Art Landscape
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