An electric utility brush with a dynamic brush head which has a rotatable head which is capable of undergoing rotation about two separate axes in order to effect multiple modes of brushing.

An electric toothbrush with a replaceable brush head section is disclosed. The electric toothbrush includes a handle including a motor therein and a brush head section. The toothbrush has a longitudinal axis extending through the handle to the far end of the brush head. The brush head section includes a translation head and an oscillation head, each of which has a bristle support member, one of which will rotate and oscillate and the other of which will not rotate or oscillate, but will reciprocate along, or substantially parallel to, the longitudinal, axis. The translation head is adapted so that its motion will induce a different motion in the bristle head of the oscillation head. The invention results in reduced assembly costs.

An electrically driven device includes a housing, an electric motor with a drive shaft having a first rotary axis and a drive pin eccentrically connected to the drive shaft, and a driven shaft having a second rotary axis and mounted in the housing for a pivoting movement. The driven shaft is coupled to the drive pin by a gear mechanism converting a rotary motion of the drive shaft into the reciprocating pivoting of the driven shaft. The gear mechanism has first and second transmission stages, the former including a cross slider, and the latter an elastically deformable transmission member. The cross slider has a sliding support extending perpendicular to the first rotary axis and receiving the drive pin. The cross slider is axially guided in the housing to move in an axial direction perpendicular to the first rotary axis and perpendicular to the extension of the sliding support. A link, offset relative to the second rotary axis, connects the cross slider to the elastically deformable transmission member.

The disclosure provides an ionic toothbrush having an elongated body that may be configured to have a one-piece design, or alternatively one or more components of the ionic toothbrush may be removable and/or replaceable. In some embodiments, the present disclosure provides an ionic toothbrush which includes a handle portion, a brush head portion including a plurality of bristle tufts; and an electrical circuit configured to transmit a negative electrical charge through at least a portion of the brush head, wherein the electrical circuit includes one or more sections of conductive resin present on an outer surface of one or both of the handle portion and the brush head portion.

A removable toothbrush head for an electric toothbrush includes a bristle carrier and an elongated neck. One end portion of the elongated neck includes an opening for connection to an electric toothbrush handle, and another end portion comprises a neck hub configured to rotatably support the bristle carrier. Also included is a driven brush shaft disposed longitudinally within the elongated neck. The brush shaft is configured to interact with the bristle carrier at a distal end portion of the brush shaft, which includes a pivot extension extending therefrom and spaced apart from the longitudinal axis of the brush shaft, as well as a bristle carrier interface positioned at least partially along the longitudinal axis of the brush shaft and configured to cause partial rotational motion of the bristle carrier when the brush shaft is driven by an electric toothbrush handle.

A dental treatment appliance includes a treatment system which transmits a pulsed signal towards the oral cavity and receives a signal returned from the oral cavity. A controller actuates the treatment of the oral cavity of the user depending on the received signal.

A removable toothbrush head for an electric toothbrush includes a bristle carrier and an elongated neck. One end portion of the elongated neck includes an opening for connection to an electric toothbrush handle, and another end portion comprises a neck hub configured to rotatably support the bristle carrier. Also included is a driven brush shaft disposed longitudinally within the elongated neck. The brush shaft is configured to interact with the bristle carrier at a distal end portion of the brush shaft, which includes a pivot extension extending therefrom and spaced apart from the longitudinal axis of the brush shaft, as well as a bristle carrier interface positioned at least partially along the longitudinal axis of the brush shaft and configured to cause partial rotational motion of the bristle carrier when the brush shaft is driven by an electric toothbrush handle.

The transmission according to the invention for an electric toothbrush serves for the transmission and reforming of a rotational movement provided by an electric motor into a particularly careful and effective cleaning movement of a cleaning element. The ratio of the distance between the longitudinal mid-axis of an output shaft and the longitudinal mid-axis of a drive shaft of the transmission and of the distance between the longitudinal mid-axis of a shaft driving a cam of the transmission and the longitudinal mid-axis of the cam amounts to at least 10:1.

A toothbrush head for an electric toothbrush, comprising a toothbrush head handle (1); a first plate (4) is arranged below the toothbrush head handle (1); and a first bristle sheet (9) and a second bristle sheet (8) are longitudinally arranged below the first plate (4). Tooth cleaning demands of people different in oral cavity and tooth size can be satisfied by means of surrounding effects of the three-sided bristles and self-adaptive effects of automatic bristle fitting along with thickness changes from front teeth to molars.

The invention relates to a device for cleaning surfaces such as teeth, interdental spaces, and adjacent gums, wherein the cleaning device (1) comprises at least one shuttle (2), which is embodied as U-shaped or C-shaped in order to encompass a subregion of a dental arch quadrant, wherein the shuttle (2) defines a cleaning space (8), wherein filaments (7) or filament bundles (7) extend into the cleaning space (8) in brush-like fashion from the regions (6, 13) that define the cleaning space (8).