Tooth brusher
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United States of America Patent
Stats
-
Mar 7, 2006
Grant Date -
Apr 8, 2004
app pub date -
Dec 19, 2001
filing date -
Jan 22, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safe brushing is realized without sticking the gum if the bristle tips are once inserted in a pocket of a tooth by using a system having a brush of which the bristle tips automatically vibrate in a direction at right angles with the direction of length of the bristles. A brush lever 5 having a brush 4 is swingingly supported in the nozzle 1, a flow passage 3 leading to a blow-out port 1a at an end of a nozzle 1 is partly bent, and a resilient member 7 is provided at the bent portion to urge the brush lever 5 in a direction opposite to the direction of flow of water, so that the brush lever 5 oscillates reciprocally due to the resilient force produced by the resilient member 7 and the pressure of water flow, causing the bristle tips of the brush 4 to oscillate in a direction at right angles with the direction of length of the bristles outside the nozzle 1.
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