A - Human Necessities – 61 – H
Patent
A - Human Necessities
61
H
83/13
A61H 13/00 (2006.01) A61C 17/02 (2006.01)
Patent
CA 1119437
ABSTRACT OF THE DISCLOSURE A portable, or travel-type, oral hygiene appliance is provided with simplified and effective means for producing a pulsating, or intermittent, liquid jet; and optionally in- cluding a light stick for obtaining locally-concentrated illumination of areas within the mouth. The appliance is of lightweight and compact construction, in the form of an appli- ance casing having reduced vertical thickness and with a fold- able water container carried on a portion of the upper surface of the casing. The pump for propelling a pulsating liquid jet uses a rotating member carrying spaced roller elements that move against a resilient, flexible, hose with a water column therein, to compress the hose between each roller and an abutment, thereby applying impeller force to spaced seg- ments of the liquid column, so as to obtain an intermittent high pressure, liquid jet, discharge. Aspirated air is intro- duced into the water column upstream of the pump to aid in the interruption, or chopping, of the liquid column by the pump into pressurized pulses of liquid. A manually actuatable controller downstream of the pump operates to control volume discharge from the pump. A lighting stick, may be provided as an optional attachment, and is energized by the electrical supply for the appliance.
308553
Hubner Otto
Meredith & Finlayson
LandOfFree
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