A tooth brush is a flow and not known for dental care product through a cartridge by manual action

摘要

The toothbrush has a hollow cylindrical body that can receive a cartridge of a tooth care product for delivery through an aperture (2) to its circular rotating head (3). The cartridge has a threaded inner surface (13') and contains a pressure disc (11) that moves along a central tube with a threaded outer surface (12). The cartridge is turned via a toothed mechanism by the rotation of the head, causing the disc to force the care product through the tube and out through the aperture (2) in the head.