Small-sized hand-operated rotatable toothbrush

Abstract

Disclosed herein is a hand-operated rotatable toothbrush in which toothbrush bristles are mounted on a toothbrush body and which is rotatable by a hand. The hand-operated rotatable toothbrush includes: a toothbrush body including a toothbrush head configured to have a hollow toothbrush bristle accommodation portion; and a toothbrush bristle body including a toothbrush bristle base configured to have a fastening means M formed along the center of the side surface of the toothbrush bristle base in a circumferential direction. A fastening means configured to engage with the fastening means of the toothbrush bristle base is formed along the center of the side surface of the inside of the toothbrush bristle accommodation portion in a circumferential direction. An elongated groove is formed to extend downward from the toothbrush bristle accommodation portion toward a toothbrush neck in order to ensure a space for the attachment and detachment of toothbrush bristles.

What is claimed is: 
     
         1 . A hand-operated rotatable toothbrush in which toothbrush bristles are mounted on a toothbrush body and which is rotatable by a hand, the hand-operated rotatable toothbrush comprising:
 a toothbrush body including a toothbrush head configured to have a hollow toothbrush bristle accommodation portion; and   a toothbrush bristle body including a toothbrush bristle base configured to have a fastening means formed along a center of a side surface of the toothbrush bristle base in a circumferential direction;   wherein a fastening means configured to engage with the fastening means of the toothbrush bristle base is formed along a center of a side surface of an inside of the toothbrush bristle accommodation portion in a circumferential direction; and   wherein an elongated groove is formed to extend downward from the toothbrush bristle accommodation portion toward a toothbrush neck in order to ensure a space for attachment and detachment of toothbrush bristles.   
     
     
         2 . The hand-operated rotatable toothbrush of  claim 1 , wherein the fastening means of the toothbrush bristle accommodation portion is a coupling protrusion, and the fastening means of the toothbrush bristle base is a coupling groove. 
     
     
         3 . The hand-operated rotatable toothbrush of  claim 1 , wherein the fastening means of the toothbrush bristle accommodation portion is a coupling groove, and the fastening means of the toothbrush bristle base is a coupling protrusion. 
     
     
         4 . A hand-operated rotatable toothbrush in which toothbrush bristles are mounted on a toothbrush body and which is rotatable by a hand, the hand-operated rotatable toothbrush comprising:
 a toothbrush body including a toothbrush head configured to have a hollow toothbrush bristle accommodation portion so that toothbrush bristles are mounted in a direction identical to that of the toothbrush body in order to enable a person to conveniently brush teeth of another human; and   a toothbrush bristle body including a fastening means formed along a center of a side surface of a toothbrush bristle base in a circumferential direction;   wherein a fastening means configured to engage with the fastening means of the toothbrush bristle base is formed along a center of a side surface of an inside of the toothbrush bristle accommodation portion in a circumferential direction; and   wherein a part of the toothbrush bristle accommodation portion is cut out and an elongated groove is formed through a toothbrush neck in order to ensure a space for attachment and detachment of toothbrush bristles.   
     
     
         5 . The hand-operated rotatable toothbrush of  claim 4 , wherein the fastening means of the toothbrush bristle accommodation portion and the fastening means of the toothbrush bristle base are a coupling protrusion and a M coupling groove, or a coupling groove and a coupling protrusion.