Toothbrush
AssigneeColgate-Palmolive Company
InventorGregory McDougall
Life of this patent
Estimating the term…
Abstract
An electrically-driven toothbrush has a brush holder that is arranged to rotationally vibrate and carry a number of bristles interspaced with arcuate membranes. The membranes serve to aid cleaning of the teeth and to polish the teeth surfaces during use of the toothbrush.
Claims40
An electrically-driven toothbrush comprising an elongated handle and a brush head mounted to a remote end of the handle, a bristle holder rotatably mounted to the brush head to rotate about an axis generally at right angles to the longitudinal axis of the handle, including an array of upstanding bristles interspaced with a number of separate upstanding flexible membranes that are arranged such as to rub against surfaces of teeth during brushing.
A rotatable bristle holder for an electrically-driven toothbrush comprising an array of upstanding bristles interspaced with a number of separate upstanding flexible membranes arranged such as to rub against surfaces of the teeth during brushing.
Dependencies are inferred from the claim text.