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US 5,634,791 AGranted
Mouth washer
AssigneeMatsushita Electric Works, Ltd.
InventorsMasahiro Matsuura, Yoji Kawamoto
Life of this patent
Estimating the term…
Abstract
A mouth washer has a nozzle substantially aligned with discharging direction of water pumpt, while a motor for driving the pump, a power source battery and a battery-charging secondary coil are disposed in series with the pumpt, and a water tank is provided along one side of such series disposition, whereby any hydraulic pressure loss upon jetting water out of the nozzle is reduced to realize a water jet under a sufficient hydraulic pressure, concurrently prolonging the life of the battery and maximizing the capacity of the water tank.
Claims9
A mouth washer comprising:
- a device body having longitudinally spaced top and bottom ends,
- a pump having a water discharge valve and a water suction valve and disposed inside an upper portion of the device body,
- a water jetting nozzle fitted to the top end of the device body to be in substantial longitudinal alignment with the discharge valve,
- a motor disposed in the device body for driving the pump,
- a power supply disposed inside a bottom portion of the device body for supplying electric power to the motor,
- the nozzle, pump, motor and power supply being disposed in substantial longitudinal alignment with each other and with the discharge valve, and
- a water tank disposed along one side of the device body and detachably coupled thereto.
4 more elements
Dependencies are inferred from the claim text.