Abstract: The invention is directed to a brush section (2) for an electric toothbrush (1), having a carrier tube (4) to which is fitted a bristle carrier (5) comprising a plurality of bristles (6). The carrier tube (4) is adapted to plug onto a mount (7) of a hand piece (3) of the electric toothbrush (1). Provision is made for spring elements (14) arranged between the carrier tube (4) and the mount (7). Noises and vibrations are thereby reduced when the electric toothbrush (1) is in the activated condition.

Abstract: In a toothbrush having a brush member which carries a bristle holder with a bristle field and an interdental bristle holder with an interdental bristle field, the bristle field comprises a first field portion and a second field portion, the first field portion being disposed nearer the interdental bristle field than the second field portion and the bristles of the first field portion being shorter than the interdental bristles and the bristles of the second field portion being longer than the bristles of the first field portion and thus at the same time form interdental bristles.

Abstract: An electric toothbrush comprises a body portion and a head including a motor, a moving portion, a handle, and a gear arrangement between the moving portion and the motor. The moving portion rotates, oscillates and/or reciprocates about an axis normal to a longitudinal axis of the head. The moving portion can include stiff bristles and massaging tips and the static portion can include soft bristles and massaging tips. The body portion houses the motor. A switch is operatively connected to the motor to provide momentary or continuous operation of the toothbrush. In one embodiment the gear arrangement includes a shaft, a worm gear and a pair of step gears. In another embodiment the gear arrangement includes a plurality of gears and at least one swivel arm for drive the moving portion in a rotating, oscillating or reciprocating manner.

Abstract: The invention is directed to a brush section (2) for an electric toothbrush (1), having a carrier tube (4) to which is fitted a bristle carrier (5) comprising a plurality of bristles (6). The carrier tube (4) is adapted to plug onto a mount (7) of a hand piece (3) of the electric toothbrush (1). Provision is made for spring elements (14) arranged between the carrier tube (4) and the mount (7) Noises and vibrations are thereby reduced when the electric toothbrush (1) is in the activated condition.

Abstract: The motorless rotary toothbrush is made of an elongated grip (10) which bears at one end a freely rotating disk (12) on an axis substantially perpendicular to the longitudinal axis (16) of the distal end of the grip. The disk (12) bears the bristles (20) of the brush. The bristles (20) are implanted symmetrically vis-à-vis the rotary axis (14) of the disk (12). The stem of each bristle of at least one outer ring (18) of the disk (12) forms a certain angle (a) with the radial plane going through the stem of the bristle (20).

Abstract: An electrically operated tooth-cleaning device being provided with a handle part having an electric drive motor. A hanle part can be connected with an attachment provided with a cleansing tool, with the cleaning tool being capable of being caused to rotate by the drive motor. A first cleaning tool of a first attachment is capable of being connected directly with the drive motor, and cleaning tool of a second attachment can be couple trough a transmission with the drive motor.

Abstract: A cleaning apparatus having a housing, a battery, a motor, an output drive shaft and a movable cleaning section. The connection between the drive shaft and the cleaning section provides linear reciprocating motion of a portion of the cleaning section. In another embodiment orbital motion is provided. In another embodiment rotational motion and linear motion are provided. In another embodiment the user can switch between two types of motion.

Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or reciprocates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating or reciprocating the circular portion. A battery is located within the hollow section for powering the motor. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other.

Abstract: A dental oral hygiene device for extending the useful lifetime of replaceable electric or battery operated toothbrush heads having a stem attached to a handle on one end and to a rotating disk at the other end, whose center of rotation is perpendicular to the stem, with a plurality of bristles attached to it. The bristles having a defined length are attached to the disk surface in a round array perpendicular to the stem. Each of the bristles having a proximal end attached to the disk surface and a distal end forming a tip. The device forces the bristles into proper alignment by applying pressure to the bristles along the bristle length, approximately from the bristle tip to a point between the bristle tip and the proximal end of the bristle. The bristles are forced generally inwardly by the device such that the round array is generally maintained and the bristles are prevented from splaying outwardly.

Abstract: Toothbrush comprising a brush member having bristles of different lengths, and brush member having bristles of different lengths for a tooth brush.

Abstract: In a toothbrush (1) having a brush member (3) which carries a bristle holder (7) with a bristle field (10) and an interdental bristle holder (11) with an interdental bristle field (14), the bristle field (10) comprises a first field portion (15) and a second field portion (16), the first field portion (15) being disposed nearer the interdental bristle field (14) than the second field portion (16) and the bristles (17) of the first field portion (15) being shorter than the interdental bristles (13) and the bristles (18) of the second field portion (16) being longer than the bristles (17) of the first field portion (15) and thus at the same time form interdental bristles.

Abstract: In an electric toothbrush having a body forming a handle containing a drive, an arm and a head which extend in prolongation of that arm and which are provided with a brush including a circular plate of clumps of bristles and which is driven in rotation about an orthogonal axis by a motion transmission device coupled to a motor shaft driven by the drive, the circular plate has a central region having a first predetermined number of clumps of bristles whose free ends are located in a same plane P1, a peripheral region 16 having a second predetermined number of clumps of bristles whose free ends 18 are located within the plane P1 and a plane P2 located below the plane P1, as well as an intermediate region with a third predetermined number of clumps of bristles whose free ends are located in the plane P2.

Abstract: A water driven cleaning device which comprises a housing with a water inlet, a nozzle, a turbine wheel which drives two concentric brushes in co-axial rotation simultaneously but in opposite directions via a gear transmission.

Abstract: The invention is directed to a brush section (1) for an electric toothbrush. The brush section (1) has a mounting tube (2) in which is accommodated an actuatable plug-on shaft (3) mounted for rotation about a longitudinal axis (4), said shaft being equipped with a driving element (24) arranged eccentrically to the longitudinal axis (4). Further, the brush section (1) has a bristle carrier (8) mounted for rotation about a transverse axis (10) and equipped with a driven element (22) arranged eccentrically to the transverse axis (10) and coupled with the driving element (24). In this arrangement, a rotary movement (5) of the plug-on shaft (3) about the longitudinal axis (4) produces a rotary movement (25) of the bristle carrier (8) about the transverse axis (10. The plug-on shaft (3) and the bristle carrier (8) are braced against each other and/or against the mounting tube (2) by spring means. This prevents the occurrence of rattling noises in activated condition of the electric toothbrush.

Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or oscillates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating the circular portion. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other. One of the step gears is offset with respect to a longitudinal axis of the elongated body portion.

Abstract: Floor care apparatus is disclosed wherein a powered brush assembly having a multiplicity of rotary brushes is suspended within the apparatus such that the brush assembly floats freely upon the surface being cleaned without supporting any of the machine's weight. The rotary brushes are generally configured as spur gears and function in a gear train wherein one brush drives all other gear brushes in the system. Axially projecting brush bristles are embedded in each gear tooth such that there is no unbrushed area between adjacent brushes in the brush line. The portion of the gear tooth wherein the bristles are embedded includes a recessed profile to allow for circumferential expansion of the tooth, upon insertion of the brush bristles, thereby preventing gear tooth interference. The brush assembly is particularly suitable for hot water carpet extractors of the upright design.

Abstract: A compact, hand held carpet and upholstery extractor nozzle is provided having an air turbine and a compact gear reduction operatively connected to and driven by said turbine. At least a pair of scrub modules are interchangeably attachable to said gear reduction. A first scrub modules includes at least a pair of vertical axis scrub brushes for cleaning upholstery, carpeting and the like. When said first scrub module is attached to said gear reduction, the scrub brushes are operatively connected to and driven by said gear reduction. A second scrub module includes a single vertical axis scrub pad that is driven by said gear reduction for scouring hard surfaces, such as tiles, tubs, counter tops, etc.

Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or reciprocates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating or reciprocating the circular portion. A battery is located within the hollow section for powering the motor. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other.

Abstract: A rotating brush cleaning apparatus is provided having grippable handle and a plurality of elongated brush attachments. The handle houses a rechargeable battery driven motor that drive an attached brush in a circular rotation. Each brush attachment is mounted on a central, elongated bendable plastic core. A first narrow brush attachment is relatively narrow and adapted to be used for cleaning baby bottles and tall glasses. A narrow brush scrubber attachment comprises and annular ring of rough scouring material that can be placed over the narrow brush attachment for cleaning any caked-on residue at the bottom of a baby bottle or tall glass.

Abstract: The present relates to an improved structure of a multifunctional tooth-brush comprising a handle body, a bristles seat, an actuating rod, a teeth-polishing disc, a positioning peg and a spring. The bristles mounted on the bristles seat brushes the teeth when the tooth-brush is applied to the teeth in horizontal direction. The polishing disc mounted on the bristles seat polishes the teeth during the process of brushing the teeth.

Abstract: A motor-driven toothbrush including a brush head disposed at an angle to the brush handle wherein the brush head partakes of rotary or arcuate motion, wherein the handle includes a flexible or articulated section permitting the brush head and an end portion of the handle to deflect with respect to the remainder of the handle as the brush head engages the teeth. The elastic section may be a flexible portion or may be a bellows-like member. The drive for the brush head extends through the elastic section and to the brush head. The flexible section permits the brush head to tilt angularly through an angle either greater or less than 90 degrees with respect to the axis of the brush handle. The brush head is attachable to a separate handle having a drive device.

Abstract: The present invention relates to a portable electric cleaning device to clean various household items. The cleaning device comprises a housing, a motor, a cleaning module, and a battery set. The housing has a handle and a chassis. The motor is installed in the chassis of the housing and comprises a rotating axle. The cleaning module has a cleaning head for cleaning various home appliance and home environment, and a connecting end installed on the rotating axle. The battery set is installed in the housing for driving the motor so as to rotate the cleaning module.

Abstract: An improved oral brush is provided that includes crimped bristles. The oral brush includes a body and, extending from the body, a plurality of crimped bristles. One such oral brush is an electric toothbrush, with a brush head having a preferred arrangement of tufts of crimped and straight bristles that are flexed by cyclic motions of the brush head toward and away from the tooth.

Abstract: The hand-held implement has a fixed motor and a hand-held appliance part on which a tool is mounted. The hand-held appliance part is connected to the fixed motor via a driving shaft and a Bowden cable only. The hand-held appliance part has a slide, moving which operates the Bowden cable. The fixed motor is thereby switched on and off and controlled, its output being adjusted according to the amount of draft applied to the Bowden cable. To produce high torque, the hand-held appliance part incorporates a worm gear pair wherein the driving shaft leading to the appliance part drives a worm that engages with a worm wheel, the driven axle of which projects from the housing, enabling a large number of different tools to be mounted on the driven axle.

Abstract: A household appliance of the type in which a cleaning, polishing, or massaging effect is obtained by a rotating head or tool is improved by splitting the cleaning, polishing, or massaging head or tool into concentric or parallel multiple heads or tools arranged for coaxial or side-by-side differential motion.

Abstract: The invention is directed to a brush section (24) for an electric toothbrush (20) in which a handle section (22) is connectible with the brush section (24). A bristle carrier (44) of a circular disk shaped configuration is arranged at the end of the brush section (24) remote from the handle section (22) and has on its upper side bristle tufts (46, 60, 62, 72, 74) disposed on one central ring (54) and one outer ring (56). The bristle carrier (44) is mounted on the brush section (24) so as to be rotatable about an axis of rotation (50) in an alternating oscillating fashion from a central position (58). The axis of rotation (50) is aligned at approximately right angles to a longitudinal center line (52) of the brush section (24). In use of the electric toothbrush (20), an improved cleaning action is accomplished in that the outer ring (56) of the bristle carrier (44) is set with tufts (60, 62) of bristles of different lengths.

Abstract: An electric toothbrush comprising an elongated body portion and a head including a static portion and a circular portion, a handle, and an angled shaft between the head and the handle. The circular portion rotates or oscillates about an axis normal to a longitudinal axis of the head. The circular portion includes stiff bristles and the static portion includes soft bristles. The stiff bristles are recessed with respect to the soft bristles. The elongated body portion is hollow and further includes a motor in the hollow portion, which is operatively connected to the circular portion for rotating or oscillating the circular portion. A switch is operatively connected to the motor to provide momentary and continuous operation of the toothbrush. A worm gear and a pair of step gears are located in the hollow portion. The motor is operatively connected to the worm gear and the step gears are operatively connected to the worm gear and to each other.

Abstract: A hand held toothbrush with multiple levels of bristles on a rotary pad. When the user manually pushes the brush, there is a force created which propels the bristles to catch the irregular surface of the teeth, gaps, and pockets, causing the rotary pad to turn. The bristle's pattern is designed specially to improve the rotary pad to circular more effectively. The advantage of this invention is that even though the user operates the toothbrush in left and right movement, the bristles on rotary pad, converts left and right motion into circular motion.

Abstract: A hand held cleaning apparatus with a housing, a motor, and a cleaning attachment operably connected to the motor. The housing is sized and shaped to provide two primary hand holding positions. The housing has a handle section allowing a user to grasp the housing therearound and thereby provide the first hand holding position. The housing also has a head section with a top surface having a curve to be matingly received on a user's palm and thereby provide the second hand holding position.

Abstract: An electric toothbrush (1) is described which incorporates a handle (2) and a brush attachment (3). The handle (2) houses an electric motor (8). Protruding from the handle (2) is a shaft (20), which is coupled to the electric motor (8). The brush attachment (3) can be mounted on the handle (2). The brush attachment (3) supports a bristle head (26) which can be coupled to the shaft (20), and from which protrude a multiplicity of bristles (4). In the operating mode, the bristle head (26) describes a rotary motion (49) and a stroke motion (50), with the frequency of the stroke movement (50) being higher, and preferably substantially higher, than the frequency of the rotary movement (49.) The stroke movement (50) provides a poking action of the bristles (4), which serves to loosen plaque from dental surfaces. The rotary movement (49) serves to wipe away plaque loosened from the dental surfaces.

Abstract: The invention is directed to a brush section (1) for an electric toothbrush which includes a mounting tube (2) in which a shaft (7) rotatably mounted about a longitudinal axis (3) and driveable in an oscillatory or rotary fashion is received. Further, the brush section (1) includes a bristle carrier (11) which is pivotally mounted on an angled end (19) of the shaft (7) configured as crankshaft and which, in operation of the electric toothbrush, is set in a rotary motion (26) about the transverse axis (14) by a pin (23). The angle (20) formed by the longitudinal axis (3) and the angled end (19) of the shaft (7) serves the added function of causing the bristle carrier (11) to perform a pivotal motion (27) about an axis (28).

Abstract: A scrubber including a longitudinal support having opposed, upper and lower ends. A handgrip is secured to the upper end of the longitudinal support, and a motor is secured to the lower end of the longitudinal support. The motor has an articulating drive shaft extending therefrom. A cleaning pad is secured to the bottom of the drive shaft. A housing encloses the drive shaft. The housing includes relatively articulating, lower and upper portions spaced from the drive shaft. The lower portion is secured to the top of the cleaning pad so as to rotate therewith. The upper portion is secured to the lower end of the longitudinal support so as to remain stationary as the drive shaft, cleaning pad and lower portion of the housing are rotated by the motor. A liquid reservoir, in selective fluid communication with the cleaning pad, is secured to the longitudinal support.

Abstract: A cleaning apparatus having a housing, a battery, a motor, an output drive shaft and a movable cleaning section. The connection between the drive shaft and the cleaning section provides linear reciprocating motion of a portion of the cleaning section. In another embodiment orbital motion is provided. In another embodiment rotational motion and linear motion are provided. In another embodiment the user can switch between two types of motion.

Abstract: A brushing system to be used in the manufacturing of electronic modules for removing unwanted particles from the substrate surface before the final encapsulation of the modules. The system provides an epicycloidal movement of the brush bristles on the substrate, which results in very effective in the removal of the particles. The system comprises a rotatable shaft with an eccentric bore. The hub of a rotatable brush can freely move inside the bore. When the shaft is rotated by a motor and the brush bristles are subject to friction, the brush describes an epicycloidal movement.

Abstract: A hand-held scrubbing device used for cleaning and/or scrubbing bathroom walls, tile, tubs, faucets, crevices, shower stalls, and other surfaces. The hand-held scrubbing device includes a head which is rotatable about a longitudinal axis of an elongated body portion of the device. The head can simultaneously swivel with respect to the longitudinal axis of the elongated body portion. Various cleaning implements, such as brushes and scrubbing pads, are attached to the head. The device also includes a handle which is rotatable with respect to the elongated body portion and is locked into a pistol position or a wand position. Preferably, the device can include a universal joint assembly which allows the head to rotate and swivel with respect to the elongated body portion. A splash guard can be attached to the head. A motor is housed within a hollow portion of the elongated body portion and is powered by battery.

Abstract: The invention is directed to an electric toothbrush (1) in which a timing element (13) is provided whose purpose it is to indicate to a user the end of at least one cleaning period when the electric toothbrush (1) is activated. Still further, means (12) coupled to the timing element (13) are provided to enable the user to trigger the beginning (T4) of the cleaning period (PZD2). The effect thereby achieved is that the end (T2) of a cleaning period (PZD1) does not automatically start the beginning (T4) of the next cleaning period (PZD2), but that this particular beginning (T4) of the next cleaning period (PZD2) is freely selectable by the user.

Abstract: A new Skin Rejuvinating System for exfoliating the user's skin thereby facilitating blood movement and reducing cellulite by utilizing a brushing means controlled at various rotational speeds depending on the sensitivity of the user's skin. The inventive device includes a motor encasement, a motor means secured within the motor encasement, a controller means electronically connected to the motor means, a power source electronically connected to the controller means, and a brushing means rotatably secured to the motor means.

Abstract: A submersible scrubbing device using a direct current electric motor powered by rechargeable batteries. The device has a longitudinal body, with the rotating brush tool positioned in line with the body, to allow the tool and the device to be inserted into narrow passageways. The housing of the device is designed to prevent water from entering the device. Variously configured scrubbing brushes or scrubbing tools are used with the device.

Abstract: The invention is directed to a brush section (1) for an electric toothbrush which includes a mounting tube (2) in which a shaft (7) is received which is mounted so as to be rotary about a longitudinal axis (3) and is adapted to be driven in an oscillatory fashion. Further, the brush section (1) includes a bristle supporting structure (11) which is arranged so as to be rotary about a transverse axis (14) by means of a bearing pin (18) and is adapted to be set in a rotational motion (29) about said transverse axis (14) by means of a drive pin (24). The fixed connection between the bearing pin (18) and the shaft (7) has the added effect of causing the bristle supporting structure (11) to perform a pivotal motion (28) about the longitudinal axis (3). The rotational motion (29) of the bristle supporting structure (11) produces a cleaning action on a user's exposed tooth surfaces, whilst the pivotal motion (28) acts to accomplish an additional cleansing operation on the user's inter-proximal surfaces.

Abstract: An oral hygiene system includes a method of removing plaque from teeth and gums by brushing the teeth with a plaque-disclosing dentifrice composition including a dye which will differentially stain plaque according to the organizational structure of the plaque, correlating the observed color of the plaque to the plaque structure, and brushing to remove the plaque structure so identified. The system also includes a toothbrush having a head and a handle, where the head has bristles with their freestanding end in a square pyramidal shape with sides having a slope corresponding approximately to buccal and lingual contours of a tooth.

Abstract: The invention is directed to a brush section (1) for an electric toothbrush which includes a mounting tube (2) in which a shaft (7) rotary about a longitudinal axis (3) is received. Further, the brush section (1) includes a bristle carrier (11) from which bristles (15) extend in the direction of a brush axis (14). The bristle carrier (11) is rotary about a transverse axis (19) by means of a bearing pin (21). By means of in particular a tapered disk (24), the brush axis (14) and the transverse axis (19) define between them an angle (28) departing from an apex (29). In operation of the electric toothbrush, the bristle carrier (11) performs a nutating motion about the transverse axis (19). This effects a revolving approaching/receding motion of the free ends of the bristles (15) resulting in an improved cleaning action on a user's teeth.

Abstract: The invention is directed to an electric toothbrush having a brush section and a drive shaft received in the brush section. The brush section includes a first bristle supporting structure operatively coupled to the shaft for motion about an axis essentially perpendicular to a longitudinal axis of the shaft, and a second bristle supporting structure operatively coupled to the shaft for substantially transverse oscillating motion of the entire second bristle supporting structure relative to the longitudinal axis of the shaft. The first bristle supporting structure is generally cylindrically shaped and carries a plurality of bristle clusters.

Abstract: A brush section for an electric toothbrush includes a driver, a mounting tube which receives the driver, where the driver is arranged in the direction of a longitudinal axis defined by the mounting tube, a first bristle carrier mounted for rotation about a first brush axis, a second bristle carrier mounted for rotation about a second brush axis, and a mechanism to effect coupling engagement of the driver with the first and second bristle carriers. A motion of the driver effects a rotary motion of the first bristle carrier about the first brush axis and the second bristle carrier about the second brush axis. The first and second brush axes define an approximately right angle therebetween.

Abstract: In a dental cleaning device (1) including a grip member (2) and at least one elongate extension member (5) which projects from the grip member (2) in the direction of a longitudinal axis (4), the free end portion (13) of the extension member carrying a brush holder (14), from which bristles (10) project in the direction of the pivotal axis (15) and which is drivable so as to pivot to and fro along a circularly arcuate path about a pivotal axis (15) oriented transversely to the longitudinal axis (4), and an interdental brush holder (16), from which interdental bristles (12) extend also in the direction of dte pivotal axis (15) and which is coupled to a drive member (69) which is drivable so as to pivot to and fro about a further pivotal axis (17), the further pivotal axis (17) also extends transversely to the longitudal axis (4) of the extension member (5), and the free ends of the bristles (10) and the interdental bristles (12) perform a movement whose main component is oriented parallel to a plane which exte

Abstract: A cleaning and polishing assembly having a compressible main body with a releasable attachment material on one face and a fibrous working surface on its other face. The fibrous working surface is composed of fibers having a trilobal cross-section. The cleaning and polishing pad can be mounted on a power drive tool, or in a hand-actuated embodiment, can be mounted to a gripping pad specially adapted for hand use.

Abstract: A floor buffer having the power source and drive means mounted at one end of an elongate handle, and a buffer head mounted at the other end, such that the center of gravity of the machine is roughly at the midpoint of the elongate handle, and having a carrier strap, hand grip and switch mounted on the handle between the midpoint of the handle and the power source and drive motor such when in use and carried by the user the buffer head rests lightly and controllably on the floor is disclosed.

Abstract: An electric toothbrush has a drive shaft with an off-set finger. A pivotably supported wobble plate has a fork at one end and an arcuate drive gear at another end. The drive gear meshes with a gear rotatably fixed to a brush holder so that in use the brush holder is caused to oscillate. The arrangement provides more flexibility in design and in particular enables the maximum arc of oscillation to be significantly increased over similar prior art toothbrushes.

Abstract: The invention is directed to an interproximal brush for an electric toothbrush which is coupled to the shaft driving the bristle supporting structure in an alternating motion in a manner independent of the coupling of the bristle supporting structure to the shaft. The interproximal brush performs a pivotal motion enabling additional cleaning in particular of interproximal spaces.

Abstract: An electric toothbrush has an elongate shank and a drive shaft formed in two sections. The sections are drivingly coupled together by a coil spring. The shank is formed in two sections joined together by a flexible ribbed seal. The shank is able to flex while the drive shaft continues to run normally without adding strain to the electric motor which would increase electric power required. Rigid bars restrict the flexibility of the shank parts into a single plane.

Abstract: An electric toothbrush assembly with sterilizing and charging devices including a housing, a battery casing and an electric toothbrush. The housing is equipped with an ozone unit and a charging unit. The battery casing may be inserted into the electric toothbrush to provide a supply of power.