Toothbrush having replaceable brush heads

Abstract

A toothbrush having replaceable brush heads includes a plurality of brush heads including a pad provided on both lateral sides thereof with mounting protrusions, and a plurality of brush hairs provided on a top surface of the pad, and a brush handle body integrally extending from the brush head, including a mounting head part formed at a front end thereof to fixedly mount the pad of the brush head thereon, and a gripping rod having a receiving space part open or closed by a cap to receive the brush heads into an opposite side to the mounting head part, thereby easily storing the brush heads without the movement, securely and fixedly mounting the brush heads without the separation from the toothbrush even in the brushing of teeth, and simply replacing the brush head with new one according to occasions and using the brush head.

1 . A toothbrush comprising:
 a plurality of replaceable brush heads, each brush head comprising a pad provided on both lateral sides thereof with mounting protrusions, and a plurality of brush hairs provided on a top surface of the pad; and   a brush handle body comprising a mounting head part formed at a front end thereof to fixedly mount the pad of the brush head thereon, and a gripping rod having a receiving space part open or closed by a cap to receive one or more of the brush heads into an opposite side to the mounting head part   wherein the mounting head part comprises a mounting groove having a front surface open to mount the pad of the brush head, and insertion grooves formed in both lateral sides of the mounting groove, the mounting protrusions being inserted into the insertion grooves.   
     
     
         2 . (canceled) 
     
     
         3 . The toothbrush of  claim 1 , wherein the mounting groove is provided in a rear surface thereof with a support groove such that an end portion of the pad of the brush head is inserted into the support groove and prevented from being tilted. 
     
     
         4 . The toothbrush of  claim 3 , wherein mutually contact parts between the pad and the support groove have surfaces curved in shapes corresponding to each other. 
     
     
         5 . The toothbrush of  claim 1 , wherein the receiving space part is provided on both inner lateral sides thereof with support protrusions to latch and support an upper end portion of the pad of the brush head to prevent the brush head, which has been received in the receiving space part, from moving. 
     
     
         6 . (canceled) 
     
     
         7 . The toothbrush of  claim 3 , wherein the receiving space part is provided on both inner lateral sides thereof with support protrusions to latch and support an upper end portion of the pad of the brush head to prevent the brush head, which has been received in the receiving space part, from moving. 
     
     
         8 . The toothbrush of  claim 4 , wherein the receiving space part is provided on both inner lateral sides thereof with support protrusions to latch and support an upper end portion of the pad of the brush head to prevent the brush head, which has been received in the receiving space part, from moving.