Patent ID: 8813763

Claim:
An interdental cleaner, comprising: a dispenser body including a lower body having therein an upward open lower chamber, with a fixing shaft being vertically formed on a bottom surface of the lower chamber, and an upper body placed on the lower body and having therein a downward open upper chamber, with a through hole being formed through a top wall of the upper body so as to communicate with the lower chamber; a bobbin provided in the dispenser body in such a way that the bobbin is fitted over the fixing shaft of the dispenser body, with a dental floss being wound around the bobbin; an elastic member provided in the dispenser body; and a pressure unit provided in the dispenser body in such a way that the pressure unit is configured to move upward and downward in the dispenser body by elasticity of the elastic member so that the pressure unit is configured to control a rotation of the bobbin and an upper end of the pressure unit protrudes outside the dispenser body through the through hole of the dispenser body, wherein fixing grooves are formed at regular intervals on a lower surface of the top wall of the upper body that defines the upper chamber such that the fixing grooves are placed at locations around the through hole of the dispenser body, and wherein the pressure unit comprises a pressure button, in which an upper end of the pressure button protrudes outside the dispenser body through the through hole of the dispenser body, wherein fixing protrusions are formed on an upper surface of the bobbin such that the fixing protrusions are engaged with the fixing grooves of the upper body, and wherein the elastic member is placed in the dispenser body in a state in which the elastic member surrounds a lower part of the fixing shaft of the dispenser body so as to elastically support a lower surface of the bobbin.