A - Human Necessities – 46 – B
Patent
A - Human Necessities
46
B
A46B 11/00 (2006.01)
Patent
CA 2104277
A COMBINATION OF TOOTHBRUSH AND TOOTHPASTE DISPENSER ABSTRACT. The present invention relates to a portable dental care combination comprising a toothbrush head and a toothpaste dispenser. The toothbrush head (1) is removable and replaceable, it connects to a handle through a neck elongation (8). The cavity within the handle defines a pressure chamber (P) containing a flexible collapsible cartridge (3), the cartridge holds the toothpaste. The end of the handle is attached to a push-button air pump (5) that forces equal volumes of pressurized air into said pressure chamber (P). The cartridge under a positive pressure in the pressure chamber collapses forcing the toothpaste into a channel within the neck elongation to a dispensing valve (4) thence to the toothbrush head to be delivered to the base of the bristles through a slot. Upon full collapse of the cartridge and complete depletion of the toothpaste, further pressure build up in the chamber will vent to the outside through relief valve (6) following passage (N) indicating the need to refill the cartridge with fresh toothpaste, or as an alternative purchase a new one.
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