BRUSH-HOOD-DOSING UNIT Russian patent published in 2017 - IPC A46B3/00 

FIELD: personal demand items.

SUBSTANCE: proposed brush-hood-dosing unit, which relates, in particular, to toothbrushes with the electric or manual head with bristles. Brush includes the handle, the head with bristles and the hood with composite suspension able to deformation, mechanically connected to the handle and hydraulically to the head with bristles. Brush-hood-dosing unit contains the plated spring jaw, realizing both the normally opened and the normally closed state. At that the free end of the jaw is made in the form of a plane with holes matrix of diameters d₀, coaxial with conical bristle bunches with diameters of tops d₁ and of bases d₂, orthogonally beaded on them and moved within the height l~d₂-d₁ of the bristles bunches, while d₁<d₀<d₂.

EFFECT: brush provides the controlled opening-closing of the cavities, preventing the access of contaminants and air from the outside, the metered supply and uniform distribution of the composite suspension along the bristles.

5 cl, 4 dwg