Patent Publication Number: US-2004057773-A1

Title: All in one toothbrush

Description:
[0001] Toothbrush with refillable toothpaste cartridge and changeable bristle head.  
       [0002] Toothpaste is extracted onto the bristle with twist of knob that is positioned at the base of the toothbrush.  
       [0003] The toothbrush has an interior chamber that is designed to be filled directly to the chamber, or to snap in a prefilled cartridge of toothbrush that is refillable or reusable.  
       [0004] The toothbrush incorporates overmolded grip and pad and sections.  
       [0005] The toothbrush has a protective cap that fits over the bristle head with a pin that seals the opening from which the toothpaste is dispensed onto the bristle head. This prevents drying and clogging of the toothpaste. 
     
    
    
     CROSS-REFERENCE TO RELATED APPLICATIONS  
     [0006] 1) Storage compartment and hollow tube handle also consist of plastic, that reservoir inserts into; suitable materials are polypropylene and polyethylene in opaque translucent or transparent form.  
     [0007] 2) A dial with grippable head is joined together with double start thread that is connected to a plunger which serves as a means for forcing toothpaste from reservoir onto the bristles, suitable materials are polyethylene and polypropylene.  
     [0008] 3) The head unit has a hollow opening in which toothpaste can flow from reservoir onto bristles. Said head cover snaps onto bristles to prevent drying and clogging of toothpaste.  
     [0009] 4) Small and large overmold that connects to tube, position on front and back for better handling and grip, ring overmold positioned between head and tube section allowing for the support of the two units. Suitable materials are santoprene