Toothbrush

Abstract

A toothbrush having a top side, an opposite bottom side, a head on which tooth cleaning elements are provided, a handle having walls and a recess, and a neck which connects the head to the handle. The recess is located on the side of the handle opposite the side having the tooth-cleaning elements and is open only toward the bottom side so that the handle walls bordering the recess form an inverted u-shaped cross-section.

1 . A toothbrush having
 a top side;   an opposite bottom side;   a head on which tooth cleaning elements are provided;   a handle having walls and a recess; and   a neck which connects the head to the handle, wherein the recess is located on the side of the handle opposite the side having the tooth-cleaning elements, the recess being open only toward the bottom side so that the handle walls bordering the recess form an inverted u-shaped cross-section.   
     
     
         2 . The toothbrush of  claim 1 , wherein the walls of the handle form a taper. 
     
     
         3 . The toothbrush of  claim 1 , wherein the handle has a thumb rest on both the top side and the bottom side, each adjacent to the neck. 
     
     
         4 . The toothbrush of  claim 1  wherein the top side of the handle has at least one indentation that is a finger's width in size. 
     
     
         5 . The toothbrush of  claim 1 , wherein the bottom side of the handle forms a conical curvature. 
     
     
         6 . The toothbrush of  claim 1 , wherein the sides of the inverted u-shaped handle walls are thinner than the top.