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US 11,930,915 B2Granted
Brush with fluid delivery
AssigneeColgate-Palmolive Company
InventorsGerald Gontarz, Patrik Johansson, John Gatzemeyer, Douglas Hohlbein, Daniel Wainless, Brian Bloch, Najma Khan
Life of this patent
Estimating the term…
Abstract
A toothbrush includes a handle, a head at a distal end of the handle comprising a bristle plate, a hole extending through the bristle plate, a plurality of bristles at least partially disposed in the hole and extending from the hole in a direction away from the head, and a reservoir in fluid communication with the hole. Fluid in the reservoir enters the tuft holes and is wicked out of the head of the toothbrushes by capillaries formed between the bristles.
Claims5
A toothbrush comprising:
- a head comprising a front surface and cavity;
- at least one tuft hole extending through the head from the front surface to the cavity;
- a bristle tuft positioned in the tuft hole;
- a wick member disposed in the cavity, the wick member holding a store of an oral care fluid;
- and
- wherein the wick member is movable between a first position whereby the wick member is fluidly coupled to the bristle tuft and a second position whereby the wick member is not fluidly coupled to the bristle tuft.
3 more elements
Dependencies are inferred from the claim text.