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US 9,326,593 B2Granted
Fountain toothbrush
OwnerScott Amroninventor
Life of this patent
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Abstract
A toothbrush includes a housing having a handle and a toothbrush head, a pump having a pump chamber and a pump impeller or pump gear arranged in the pump chamber, and a motor driving the impeller or pump gear. An input port and an output port are connected to the chamber, the impeller causing a flow of a working fluid through the output port when the impeller is driven by the motor and the working fluid is supplied through the input port. The pump chamber has a circumferential wall defining a transverse cross section, the output port being connected to the pump chamber through the circumferential wall.
Claims18
A toothbrush, comprising:
- a housing having a handle and a toothbrush head;
- a pump having a pump chamber and a pump impeller or pump gear arranged in the pump chamber;
- a motor driving the impeller or pump gear;
- and
- an input port and an output port connected to the chamber, the impeller or pump gear causing a flow of a working fluid through the output port when the impeller or pump gear is driven by the motor and the working fluid is supplied through the input port, whereby a stream of fluid exits the output port for oral rinsing, the pump chamber having a circumferential wall defining a transverse cross sectional shape of the pump chamber, the output port being connected to the pump chamber through the circumferential wall.
2 more elements
Dependencies are inferred from the claim text.