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Water pressure driven tooth brush (hydratoothbrush) with dental jet

  • US 20040045107A1
  • Filed: 09/10/2002
  • Published: 03/11/2004
  • Est. Priority Date: 09/10/2002
  • Status: Abandoned Application
First Claim
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1. Looking for the protection of the United States Patent Office for the said following claims. The ornamental designed herein called HydraToothbrush is designed for new and economical way to automate the tooth brushing with a built in Dental jet as it described and shown in the drawing pages. The HydraToothbrush has a special removable, interchangeable head assembly used for brushing the teeth and Water jet section to flush out food derbies left behind by the brushing. Diverter has dual functions, selecting the water to the impeller or to the Dental Jet. In fully diverted position the water flow is the maximum, and in partial diverted position brush rotation becomes slower. In the DentalJet position pressure and water flow also reduced in partial divertion. On page 1 the HydraToothbrush uses the water pressure driven impeller to rotate the shaft which connects to a cone gear to rotate the tooth brush. Rotating shaft driven Detachable Brush/Jet head. 2 On page 2 the rotating shaft is spring loaded, connects to the disk driver which oscillates the brush, the rotating motion is converted to an oscillating brush movement. On page 3 FIG. 8 shows a water pressure activated coupling to the Dental Jet with and expandable bulb. As the water is diverted to the detachable brush/jet assembly the expandable bulb slides inside the small tube connecting to the jet'"'"'s nozzle. The diameter of the incoming water line is larger than the diameter after the bulb. The water pressure will expand the bulb, keeping it tight. On page 4 FIG. 10 shows a Longitudinal impeller built into the Brush head/Dental jet assembly. This is a dual Hydrabrush/Dental jet assembly connects to the handle with threaded coupling. Water connections are sealed with O rings. The Hydrabrush/HydraJet assembly is detachable, interchangeable for the user.

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