TOOTH-BRUSH (VARIANTS) Russian patent published in 2004 - IPC

FIELD: care of mouth cavity. SUBSTANCE: tooth brush has handle, head going on from this handle and collection of wisps of bristle fixed in this head. One wisp of bristle is fixed in point most distant from handle. This wisp is inclined at angle of approximately 81 degrees or less to imaginary line, which is tangential with regard to surface of head, and through which mentioned wisp of bristle passes being fixed in head. Mentioned wisp of bristle is tilted away from handle in same direction along which head goes from handle. EFFECT: increased efficiency of teeth cleaning. 31 cl, 7 dwg