WO2006012974A1 - Brosse a dents electrique - Google Patents

Brosse a dents electrique Download PDF

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Publication number
WO2006012974A1
WO2006012974A1 PCT/EP2005/007447 EP2005007447W WO2006012974A1 WO 2006012974 A1 WO2006012974 A1 WO 2006012974A1 EP 2005007447 W EP2005007447 W EP 2005007447W WO 2006012974 A1 WO2006012974 A1 WO 2006012974A1
Authority
WO
WIPO (PCT)
Prior art keywords
brush head
drive
toothbrush
toothbrush according
piece
Prior art date
Application number
PCT/EP2005/007447
Other languages
German (de)
English (en)
Inventor
Bernhard Boland
Armin Schwarz-Hartmann
Ulrich STÖRKEL
Uwe Bielfeldt
Original Assignee
Braun Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braun Gmbh filed Critical Braun Gmbh
Priority to US11/658,290 priority Critical patent/US20090158538A1/en
Priority to EP05757343A priority patent/EP1771123A1/fr
Publication of WO2006012974A1 publication Critical patent/WO2006012974A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3472—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body with combined movements of the brush body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/40—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like orbiting, e.g. nutating

Definitions

  • the present invention relates to an electric toothbrush with a handpiece, a brush head movably mounted relative to the handpiece, and a drive for oscillating and / or circulating driving of the brush head.
  • the present invention is therefore based on the object to provide an improved toothbrush of the type mentioned, which avoids the disadvantages of the prior art and reindeer ren further advantageously.
  • the toothbrush should cause a thorough and rapid cleaning of the teeth and be perceived as pleasant in the mouth of the user.
  • This object is achieved by a toothbrush ge according to claim 1 ge.
  • Preferred embodiments of the invention are the subject of the dependent Ansprü ⁇ che.
  • the brush head has a cleaning element, spielnem a cleaning fork, the legs are provided on the inside with a plush or velvet piece.
  • a cleaning element with a thin, little auf ⁇ carrying plush or velvet piece occupied, whereby the toothbrush head can be made small despite multi-sided enclosure of the respective tooth.
  • the oscillating and / or circumferential drive movement of the brush head in conjunction with the plush or velvet trimming causes excellent interdental cleaning.
  • a single tooth can be simultaneously from all three sides, i. buccal, lingual and occlusal, cleaned were ⁇ , whereby a more thorough and a faster cleaning can be achieved.
  • the plush or velvet piece instead of bristle panels, a small-sized brush head is achieved, which is perceived as comfortable when used in the mouth.
  • the velvet or plush piece consists of a piece of fabric with a pile, wherein both the piece of fabric and the pile can preferably consist of polyamide.
  • the pile has a height of 2-8 mm, preferably about 3-6 mm.
  • the pile height can vary across the plaster element.
  • the pile of the plush or velvet piece may have a greater height at the free end of the legs of the cleaning fork than at a root or foot portion of the legs.
  • the plush or velvet pieces have pile threads with a thickness in the range of 0.05-0.2 mm, preferably about 0.1 mm.
  • the thickness of the pile threads can also vary over the plaster element.
  • thinner pile threads are provided at the free ends of the legs than at the root or foot portions of the legs.
  • a transverse web which connects the legs of the cleaning fork can also be provided on the inside with a plush or velvet piece, so that an overall U-shaped plush or velvet trim is provided on the inner contour of the cleaning fork.
  • the cleaning fork in a further development of the invention is designed such that the legs can spring relative to one another.
  • the legs of the cleaning fork can even be resilient.
  • they may be articulated at their grill ⁇ or root area and acted upon by a spring which biases the legs toward each other.
  • the legs are designed to be resilient overall, whereby a better adaptation to the tooth contour is achieved.
  • Their distance from each other is advantageously chosen so that when placed on a tooth, a slight widening of the cleaning fork takes place, so that the legs are resiliently biased against the flanks of the teeth.
  • the legs of the cleaning fork can enclose an angle of 15 ° - 45 ° to each other.
  • the free ends of the legs can be expanded bell-shaped.
  • the cleaning fork may comprise two legs, so be designed as a simple, U-shaped fork.
  • the cleaning fork may comprise four legs extending in pairs towards opposite sides. With such a double fork, the teeth of the lower jaw and the teeth of the Ober ⁇ jaw can be cleaned at the same time.
  • the legs on one side a ge ringeren distance from each other as the legs on the other side, whereby the different width forks can be used for different tooth areas.
  • the brush head is rotatably mounted on a brush head carrier about a transverse axis which runs essentially perpendicular to the longitudinal axis of the toothbrush, wherein in particular, the brush head is not driven with respect to this transverse axis.
  • said transverse axis extends at the toothbrush end facing away from the handpiece parallel to the direction in which the cleaning fork is placed on the teeth. It can move through the plane of symmetry extend the cleaning fork.
  • the possible angle of rotation is sufficiently large so that the cleaning fork placed on the teeth can be moved from the left side of the jaw to the right side of the kie, without the cleaning fork having to be removed from the teeth.
  • the rotatable mounting of the brush head to the said non-driven transverse axis is advantageously designed to be inhibiting, so that the brush head is indeed rotatable as desired, but remains in the respective position without force.
  • the drive can be differently designed with regard to the generated drive movements of the brush head.
  • the drive has a parallel to the toothbrush longitudinal axis of the drive axis, around which the brush head is preferably driven conically circumferentially.
  • the brush head In order to rotate the brush head circumferentially around the longitudinal axis of the toothbrush, the brush head can rest on a brush head carrier designed as a drive rocker, which is ball-jointed at a pivot point between the brush head and an engine disposed in the handpiece and at its end facing away from the brush head having a drive connector.
  • the design of the brush head carrier as a spatial rocker, which is moved around in a double-cone shape, achieves the advantages of a multi-axis cleaning movement with simple structural means.
  • the brush head carrier is mounted non-rotatably about its longitudinal axis, so that it does not rotate about itself during the wobble movement about the toothbrush longitudinal axis.
  • the brush head carrier can be fastened to the hinge point on an elastic bearing element, which permits an at least limited movement of the brush head carrier in the manner of a spherical joint.
  • the drive connector of the brush head carrier is detachably removablebil ⁇ det, wherein advantageously the brush head carrier is releasably secured to a brush head connecting the brush head with the handpiece, so that the brush head carrier is replaceable, that can be removed and replaced in the manner of a refill from the rest of the toothbrush.
  • a detachable connection can also be provided between the brush head and the brush head carrier, so that the brush head can be exchanged, ie. removed from the brush head carrier and can be replaced by a refill.
  • a drive rocker is provided in a further development of the invention, which is mounted on the hand part ball joint-like manner at a hinge point and is spatially driven by the arranged in the hand part motor.
  • the drive rocker can sit on the motor shaft an eccentric, which is in engagement with the motor-side end of the drive rocker.
  • the drive rocker With its brush head end, the drive rocker can be brought into engagement with the brush head carrier, which is likewise designed as a drive rocker, so that the conical circulation movement of the drive rocker is converted into a corresponding movement of the brush head carrier.
  • the drive rocker has an advantageously releasable connector for releasable connection to the brush head carrier.
  • the drive rocker is rotatably mounted about its longitudinal axis, in particular fastened on the handpiece side hinge point on an elastic bearing element be ⁇ .
  • a drive shaft projecting from the handpiece can also be provided with an eccentrically revolving drive piece for driving the brush head carrier, which can be brought into engagement with the handpiece-side end of the brush head carrier.
  • a radial shaft seal is provided at the passage of the drive shaft through the end face of the handpiece.
  • connection between the handpiece side drive element, i. the drive rocker or the revolving drive shaft with eccentric piece, and the brush head carrier can be formed grund ⁇ in addition essentially free of play.
  • the drive movement of the handpiece side drive piece is converted into a corresponding circumferential drive movement of the trained as a rocker brush head carrier.
  • the connection between the handpiece-side drive rocker or the handpiece-side rotating eccentric piece and the brush head carrier in at least one direction transversely to the toothbrush longitudinal direction have an at least limited clearance.
  • the brush head carrier may also have a slotted recess at its handpiece end, in which the drive rocker of the handpiece is seated.
  • the drive has an adjusting device for adjusting the stroke of the brush head movement.
  • the adjusting device allows the lever ratios of the handpiece-side drive rocker and / or the brush head carrier, which is also designed as a drive rocker, to be adjusted.
  • the hinge point on which the brush head carrier is mounted like a ball joint be offset in the longitudinal direction of the toothbrush. It is also conceivable to move the corresponding pivot point of the handpiece-side drive rocker.
  • the point of application of the eccentric piece seated on the motor shaft on the handpiece-side drive rocker can also be changed. Due to the adjustable stroke of the tumbling motion of the brush head, the movement thereof from gentle, i. small movements, until strong, i. large Bewegun ⁇ gene, be set according to the preference of the user.
  • the brush head carrier does not necessarily have to be driven in a cone-shaped manner around the toothbrush longitudinal axis.
  • An advantageous embodiment of the invention can also consist in that the drive has a drive axis parallel to the toothbrush longitudinal axis, around which the brush head is driven in a rotationally oscillating manner.
  • the drive can have a drive axis parallel to the toothbrush longitudinal axis, along which the brush head can be driven to oscillate in a translatory manner, ie the brush head is moved back and forth.
  • the drive may also have a transverse to the toothbrush longitudinal axis extending further drive axis, around which the brush head is rotationally driven to oscillate.
  • This transverse axis may run parallel to a plane of symmetry of the cleaning element, preferably being arranged substantially at the brush head end of the handpiece. Accordingly, the brush head is pivoted oscillatingly to the right and left with the plush or velvet occupied cleaning element.
  • a drive axis extending perpendicular to the said plane of symmetry of the cleaning element, which drives is also preferably arranged on the brush head end of the handle. Accordingly, the brush head is tilted up and down on the tooth flanks, whereby it is possible in particular to eliminate impurities located in the interdental spaces.
  • the velvet or plush piece can be attached to the cleaning element in different ways.
  • the velvet or plush piece can be firmly bonded to the plaster element.
  • the respective velvet or plush piece can be glued to the inner side of the cleaning fork, for example by means of a silicone adhesive, or fixed by means of heat sealing.
  • a positive fastening of the velvet or plush piece can be provided, for example, the respective velvet or plush piece can be clamped on the edge side under a clamping web of the cleaning element or of a plush carrier fastened thereto.
  • the velvet or plush piece advantageously also only the edge of the free ends of the legs of the cleaning fork and optionally additionally be attached to the bottom of the crosspiece connecting the legs, so that the velvet or plush piece is only V-shaped spanned, but not everywhere flat on the inner contour of the legs of the cleaning fork rests. Only when the cleaning fork is pushed onto the tooth to be brushed, the velvet or plush tape applies a total of surface to the inner contour of the Schen ⁇ angle and / or to the outer contour of the tooth.
  • 1 shows a schematic, perspective view of an electric toothbrush with a velvet or plush occupied cleaning fork, which is drivable by a wobble drive
  • 2 shows a schematic, perspective view of an alternative, U-shaped Putz ⁇ fork and a tooth on which the cleaning fork is placed, the Putz ⁇ fork is provided for the toothbrush of FIG. 1,
  • FIG. 3 shows a schematic illustration of various embodiments of an eccentric seated on the motor shaft for the wobble drive of the toothbrush from FIG. 1, FIG.
  • FIG. 4 shows a schematic perspective view of an electric toothbrush similar to FIG. 1, the wobble drive having a drive shaft with an eccentric piece instead of a spatially encircling drive rocker;
  • FIG. 5 is a schematic, perspective view of an electric toothbrush according to a further embodiment of the invention, in which a bell-shaped cleaning fork is mounted rotatably about a transverse axis on a brush head carrier, which is driven in a tumbling manner;
  • FIG. 6 shows a schematic partial view of an electric toothbrush according to a further preferred embodiment of the invention in longitudinal section
  • FIG. 7 shows a longitudinal section along the line A-A in FIG. 6 of the electric toothbrush from FIG. 6, FIG.
  • FIG. 8 shows a cross section through the brush shaft of the toothbrush of FIG. 6 along the line B-B in FIG. 6, FIG.
  • FIG. 9 shows a cross section through the brush head of the toothbrush of FIG. 6 along the line C-C in FIG. 6, FIG.
  • FIG. 10 shows the cleaning fork of the toothbrush from the preceding FIGS. 6 to 9 in a schematic representation, when it is placed on an incisor, FIG.
  • FIG. 11 shows the cleaning fork of the toothbrush from the preceding FIGS. 6 to 9 in a schematic representation, when it is placed on a molar
  • FIG. 12 is a fragmentary schematic plan view of a brush head for a toothbrush according to FIG. 6, which carries a lateral additional weight
  • FIG. 13 is a functional view of the toothbrush mounted on a toothbrush from the preceding figures 6 to 9, which illustrates the rotation of the cleaning fork around a transverse axis
  • FIG. 14 shows a schematic partial view of an electric toothbrush according to a further preferred embodiment of the invention in a longitudinal section, wherein the toothbrush brush has a double fork with upwardly and downwardly pointing legs,
  • FIG. 15 shows a longitudinal section of the toothbrush of FIG. 14 along the line E-E in FIG. 14, FIG.
  • FIG. 16 shows a cross section through the brush shaft of the toothbrush of FIG. 14 along the line F-F in FIG. 14, FIG.
  • FIG. 17 shows a cross section through the brush shaft of the toothbrush of FIG. 14 along the line G - G in FIG. 14, FIG.
  • FIG. 19 shows a schematic partial view of an electric toothbrush according to a further preferred embodiment of the invention in a longitudinal section
  • Fig. 21 a schematic representation of a cleaning fork, in which a plush piece is attached to the free ends of the legs and the bottom of the cleaning fork, the partial view a) the cleaning fork before putting on a tooth to be cleaned and the partial view b) the cleaning fork in the state attached to the tooth,
  • Fig. 22 a die for forming a plush or velvet piece for a cleaning fork of a toothbrush from the preceding figures, wherein the partial view a) the plush or velvet piece before molding and the partial view b) the plush or velvet piece after molding in the die shows, and Fig. 23: a schematic representation of a plush or velvet piece which is fastened formschlüs ⁇ sig on the legs of a cleaning fork.
  • the toothbrush shown in FIG. 1 comprises a handpiece 1 and a brush head 2, which is connected to the handpiece 1 via a brush tube 3.
  • the brush head 2 is movably mounted on the Bürs ⁇ tenrohr 3 and driven by a drive 5, as will be explained in more detail.
  • a motor 6 the lead in the illustrated Aus ⁇ form of batteries 7 is supplied with energy.
  • the batteries 7 are arranged in the handle 1 behind the motor 6 and may be formed as primary or secondary batteries. If secondary batteries are used, they can be charged inductively or via contacts by means of a charging device which is not shown in more detail.
  • the motor 6 comprises a substantially parallel to the longitudinal axis 8 of the toothbrush extending motor shaft 9, on which a disc-shaped eccentric 10 sits. Said eccentric 10 is pivotally connected to a drive rocker 11 in order to drive these conically circumferentially.
  • the drive rocker 11 passes through the end face of the housing of the handpiece 1, so that it extends on the one hand in the handpiece 1 and on the other hand in the brush tube 3. It is mounted on the end face wall 12 of the handpiece housing 4 kugelgelenk ⁇ like.
  • the ball-joint-like hinge point 13 is thereby formed by a gummielasti ⁇ rule, plug-like sealing element 14, in which the drive rocker inserted 11 and sitting even in the passage opening 15 in the Stirnatewandung 12 Handteilge ⁇ housing 4 to the passage of the drive rocker 11 through the handle housing 4 dense.
  • the drive rocker 11 is non-rotatably seated in the sealing element 14, so that it does not rotate about itself when it is driven by the eccentric 10 around the toothbrush longitudinal axis in a cone-shaped circumferential manner. This considerably simplifies the sealing.
  • the drive rocker 11 With its end facing away from the motor 6, the drive rocker 11 is pivotally connected via a coupling piece 16 with a brush head carrier 17, so that the drive movement of the drive rocker 11 is transmitted to the brush head carrier 17.
  • the coupling piece 16 is in the illustrated embodiment, a coupling sleeve into which the front end of the Drive rocker 11 is immersed, wherein the coupling sleeve is rigidly attached to the end of the brush head carrier 17 gers.
  • the brush head support 17 is mounted on a sliding block 19 via a ball joint 18, which is displaceably mounted in the toothbrush longitudinal direction on the brush tube 3 and z. B. on Ras ⁇ th 20 in a respective desired position can be locked.
  • the sliding block 19 and the brush head carrier 17 are arranged in the interior of the hollow brush tube 3.
  • the brush tube 3 is fastened detachably on a brush tube receptacle 22 on the end side wall 12 of the hand part 1 via a profile ring 21 inserted therein.
  • the brush head carrier 17 occurs at the end facing away from the handpiece 1 of the brush tube 3 from this front side and carries at its front end the brush head 2.
  • the brush head 2 comprises in the illustrated embodiment a cleaning fork 23 which has a releasable connection 24 to the brush head carrier 17th is attached.
  • the cleaning fork 23 is formed in the illustrated embodiment as a simple, U-shaped fork having two legs 25, which are preferably resilient, so that they can spring apart. In the illustrated embodiment, the two legs 25 are biased by a pressure spring 26 against each other.
  • the legs 25 may optionally have a hinge point in their connection area. Conveniently, however, they are injection molded from plastic, so that the legs 25 have sufficient elasticity to be able to spring up and to. The bias of the legs 25 causes the desired engagement of the legs 25 on the outer sides of a tooth.
  • FIG. 1 shows, at the free ends of the legs 25, plaster holders 27 contoured on the inside are fastened, which in turn are each provided on the inside with a plaster element 28 in the form of a plush or velvet piece 29.
  • the cleaning element holder 27 are by releasable connection means 30, such. B. snap clips, releasably secured to the legs 25 of the cleaning fork 23.
  • the cleaning element holders 27 and the cleaning elements 28 attached thereto extend essentially transversely to the longitudinal direction of the brush head carrier 17. They widen in a bell shape towards one end, so that they can be pushed more easily onto the tooth.
  • the cleaning elements 28 are preferably rotatable about a transverse axis, which extends preferably parallel to the plane of symmetry of the cleaning fork 23, relative to the brush head carrier 17, so that the cleaning fork 23 can be slid on the teeth from the left side of the jaw to the right side of the jaw, without that the handpiece would have to be turned over.
  • the cleaning fork 23 can thus rotate about the Z-axis shown in Figure 2, perpendicular to the tooth main surface, wherein the Rotation is preferably braked or inhibiting, so that the brush head stops in the respective position without force.
  • the eccentric piece 10 rotates, so that the articulation point 31 of the drive rocker 11 on the eccentric piece 10 describes a circular path and the drive rocker 11 describes a conical or double-cone-shaped orbit. Since the drive rocker 11 in this case performs no rotation about its own axis, a hermeti ⁇ cal sealing of the handpiece can be achieved in a simple manner by the bearing and sealing element 14.
  • the opening angle of the two resulting cones of the circulating movement is in each case Ci 1 (cf., FIG. 1).
  • the movement of the drive rocker 11 is transmitted to the brush head carrier 17, wherein the brush head carrier 17 advantageously also does not rotate about itself, so that here again for the Ku ⁇ joint 18, a rubber-elastic bearing element can be used.
  • a cone angle ⁇ 2 results for the likewise double-cone-shaped revolving movement of the brush head carrier 17 (see FIG.
  • the cleaning element 28 arranged perpendicular to the brush head carrier axis performs a three-dimensional movement with respect to a standing tooth in the height direction z, in the length direction x and in the width direction y, as FIG. 2 illustrates.
  • an adjustment of the size of the cleaning movement can also be achieved by adjusting the length I 4 , ie the spacing of the cleaning fork 23 from the pivot point 18 of the brush head carrier 17.
  • the brush head carrier 17 could be pulled out or the cleaning fork 23 could be fastened relative to the latter in the longitudinal direction of the brush head carrier 17 in a displaceable manner.
  • the cleaning elements 28 can always create both sides of both wide molars and narrow incisors.
  • FIGS. 2 and 5 show an alternative embodiment of the cleaning fork 23.
  • the cleaning fork is arranged rotated by 90 ° relative to the embodiment according to FIG. 1 so that the entire inner sides of the legs 25 can be occupied by a plush or velvet piece 29.
  • the cleaning fork 23 is U-shaped, widening the free ends of the legs 25 bell-shaped to the outside.
  • the cleaning fork 23 is rotatably mounted on the brush head carrier 17 about a rotational axis 33 arranged perpendicular to the longitudinal axis of the brush head carrier 17.
  • the corresponding pivot 34 is preferably formed inhibiting, so that a braking of the rotational movement of the cleaning fork 23 takes place about the axis of rotation 33.
  • the cleaning fork 23 shown in FIG. 5 By means of the arrangement of the cleaning fork 23 shown in FIG. 5, it can be pushed onto the teeth from the left half of the jaw onto the right half of the jaw, the cleaning fork correspondingly rotating relative to the brush head carrier 17. As FIG. 2 shows, the cleaning fork is also located at the bottom of the U, ie also at the cross-connection. piece between the two thighs 25, with plush or velvet occupied. As a result, an efficient, tooth-encompassing brushing can be achieved, in which the upper sides of the teeth are also cleaned.
  • FIG. 4 shows a slightly different from Figure 1 embodiment, which differs in terms of the drive rocker 11.
  • a drive shaft rotating with an eccentric is provided.
  • the motor shaft 9 emerges from the front of the handpiece 1 and extends into the brush tube 3.
  • the brush head carrier 17 end facing the motor shaft 9 comprises an eccentric 10, which is formed in the illustrated embodiment as a cranked hook.
  • the Exzen ⁇ ter Culture 10 engages in the provided on the brush head carrier 17 coupling piece 16 and drives here about the brush head carrier 17 again in the form of a double cone around.
  • a radial shaft seal 35 is provided, which sits in the corresponding recess in the front side wall 12, through which the motor shaft 9 passes.
  • the embodiment according to FIG. 4 corresponds to the embodiment according to FIG. 1, so that the same reference numerals are used for corresponding components and reference is made in this regard to the preceding description.
  • the brush head 2 is not driven by a brush head carrier revolving on a double cone, but moves in an oscillating manner.
  • the drive shaft 9 carries out at least one of the following movements: a rotational oscillation 36 about the toothbrush longitudinal axis 8 or the drive shaft axis coinciding therewith, a rotational oscillation 37 about a pivot axis 38 running transversely to the toothbrush longitudinal axis (see FIG extending in the front end portion of the handle 1 and substantially perpendicular to the plane of symmetry 39 of the cleaning fork 23 (see Figure 9), a rotational oscillation 40 about a pivot axis 41 which extends transversely to the toothbrush longitudinal axis 8 and substantially parallel to the plane of symmetry 39 of the cleaning fork 23 (see Figure 7) and a translatory oscillation 42 parallel to the longitudinal axis 8 of the toothbrush.
  • the brush head 2 facing front part of the brush tube 3 includes a recht ⁇ angular channel 43, in which two arms 44 stuck, which are integrally formed on a bearing part 45.
  • Each arm 44 carries a nose 46, which engages in each case an opening or recess 47 of the brush tube 3.
  • the bearing part 45 can be pushed into the brush tube 3 at the end face and fastened thereto.
  • the free end of the spring arms 49 lies on a free end 50 of the arms 44.
  • the cleaning fork 23 is rotatably mounted, which has a Lager ⁇ pin 53 with an axis 54, two legs 25 and the two legs 25 verbin ⁇ Denden transverse web 55.
  • the bearing pin 53 has at its free end two lugs 56 and a slot 57 through which the lugs 56 can spring back inwards.
  • the bearing pin 53 is pressed into the hole 52 of the bearing part 45, so that the lugs 56 spring together and springs again after passing through the hole 52, so that the bearing pin 53 rotatably but axially fixed in the bearing part 45 sits.
  • the cleaning fork 23 may be endlessly rotatable relative to the bearing part 45. In the illustrated embodiment, however, the rotatability is limited by a rotation stop 58 (see FIG.
  • the legs 25 include, as Figure 9 shows, an angle v preferably between 15 ° and 45 °. They have at their free end a bell-shaped bend 59 to the outside.
  • the inside of the legs 25 and the crosspiece 55 connecting the legs 25 carry a velvet or plush piece 29, which can be fastened by gluing, heat sealing or other methods.
  • the velvet or plush piece 29 consists of a fabric piece 60 and ei ⁇ nem Flor 61, both of which may consist of polyamide.
  • the threads can of the web 61 preferably has a thickness of 3 ⁇ O oo to 5/10 oo inches and on the bell-shaped bend 59 of the leg 25 has a thickness of 2 / iooo to 4 / 1O oo inches own.
  • the thickness of the threads of the pile 61 may be different within a range.
  • the height of the pile 61 may vary.
  • the height H 1 of the pile 61 in the region of the crosspiece 55 is about 2 mm to 6 mm, while the height H 2 of the pile 61 on the legs 25 and the bell-shaped bend 59 can be about 4 mm to 8 mm. Heights H 1 and H 2 may also vary within their range.
  • the distance 62 between the longitudinal axis of the brush tube 3 and an open surface of the pile 61 is preferably about -6 mm to +6 mm.
  • Figures 10 to 13 illustrate the operation of the toothbrush.
  • the cleaning fork 23 can be placed with the cleaning elements 28 made of plush or velvet on a tooth 63 or 64.
  • the elasticity of the legs 25 of the cleaning fork 23 and the pile 61 of the plush or velvet piece 29 resembles the different thickness of anterior teeth 63, the figure 10 shows, and molars 64, the figure 11 shows from. If the drive shaft 9 describes the rotational oscillation 36 about the longitudinal axis 8, the vestibular, occlusal and lingual tooth surfaces are simultaneously cleaned.
  • the axis of rotation 33 by which the cleaning fork 23 can be rotated relative to the bearing part 45 of the brush head carrier 17, allows the toothbrush to be pulled from the left-hand side of the jaw 65 to the right-hand side with the cleaning fork attached to the teeth.
  • the user holds the handpiece 1 and slowly pulls the cleaning fork 23 with the velvet or plush piece 29 over the teeth of the jaw 65 while the oscillating drive movement of the brush head is running.
  • the cleaning fork 23 can be provided with an additional mass 66 spaced from the axis of rotation 33, which causes an unbalance of the cleaning fork 23.
  • the cleaning fork 23 can execute a rotational oscillation 67 about the axis of rotation 33 when the rotary oscillation 36 acts around the toothbrush longitudinal axis 8.
  • FIGS. 14 to 18 show a variant of the toothbrush from the preceding FIGS.
  • the end section of the brush tube 3 facing the brush head 2 contains an oval channel 43 with two slots 68 in which two arms 44 are attached, which are in contact with the bearing part 45 of the brush head carrier 17 are formed.
  • a free end 50 of the arms 44 lies in the interior of the channel 43, wherein each arm 44 carries a nose 46 which engages in an opening or recess 47 of the brush tube 3.
  • the bearing part 45 in the brush tube 3 is consolidates. If the user presses on the arms 44 in the area of crests 51, the noses 46 are disengaged, as a result of which the bearing part 45 of the brush head carrier 17 can be pulled off the brush tube 3.
  • a hole 52 of the bearing part 45 a trained as a double fork cleaning fork 23 ge is superimposed having a bearing pin 53 with an axis 54, four pairs of opposite sides protruding leg 25 and each one paired legs 25 connecting cross bar 55.
  • the assembly consisting of the bearing part 45 and the cleaning fork 23 can advantageously be produced using the two-component injection molding method, in which first the bearing part 45 is injection molded from plastic and then the plastic cleaning fork 23 designed as a double fork is sprayed onto said bearing part 45 , In this case, the bearing pin 53 of the cleaning fork 23 shrinks so much that a sufficient for the rotation of the cleaning fork 23 about the rotation axis 33 radial play arises.
  • the injection mold may have a tongue in a gap 69 between the bearing part 45 and one of the transverse webs 55.
  • the trained as a double fork cleaning fork 23 and the bearing member 45 could be made in other ways, in particular, the bearing part 45 and / or the cleaning fork 23 could be made in two parts.
  • the inside of the forks formed by the legs 25 and the transverse webs 55 are each provided with a velvet or plush piece 29 in the manner described above.
  • FIGS. 14 to 18 makes it possible to simultaneously clean teeth of the upper jaw and teeth of the lower jaw.
  • a latch 70 with a collar 71 is mounted so as to be displaceable parallel to the toothbrush longitudinal axis 8.
  • the latch 70 is pressed by a spring 72 against the end face of the drive shaft 9. If the brush tube 3 is seated on the drive shaft 9, the front end of the bolt 70 lies between the free ends 50 of the arms 44, as a result of which the bearing part 45 can not be separated from the brush tube 3. This prevents the user from mistakenly releasing the bearing part 45. If the brush tube 3 is removed from the drive shaft 9, the spring 72 pushes the bolt 70 to the rear, whereby the free ends 50 of the arms 44 are released.
  • the bearing member 45 can be deducted from the brush tube 3 by the user presses on the knobs 51.
  • the arms 44 of the bearing part 45 are so long that their free ends 50 lie on both sides of the front end of the drive shaft 9 when the brush tube 3 is placed on the drive shaft 9.
  • the bearing part 45 similar to the embodiment of Figure 14 can not be separated from the brush tube 3. If the Bürs ⁇ tenrohr 3, however, removed from the drive shaft 9, the free ends 50 of the arms 44 are released, whereby the bearing member 45 can be removed from the brush tube 3 by the user presses on the studs 51.
  • the cleaning fork 23 in particular its leg 25 and transverse webs 55, it can be achieved that the bending natural frequency of the legs 25 is identical to the frequency of the rotational oscillation 36 about the toothbrush longitudinal axis 8.
  • the legs 25 thereby lead Bending vibration 73 (see Figures 9 and 18), which improves the cleaning.
  • cross section of the channel 43 in the front end of the brush tube 3 need not be rectangular or oval; other cross sections are possible.
  • the plush or velvet piece 29 can form a depot for chemical and / or biological agents.
  • the active ingredients may be enclosed in microcapsules which break up in use.
  • the threads of the fabric piece 60 and / or the pile 61 can be made of silver-doped plastic or a small amount of silver to achieve an antibacterial effect.
  • the plush or velvet pieces 29 can in principle be attached to the cleaning fork 23 in various ways.
  • the respective plush or velvet piece 29 can be cut out of a velvet or plush web with a hot stamp or a laser beam. In both methods, the heat causes fusion of the cut threads, which prevents fraying.
  • the fabric of the velvet or plush can also be soaked with a suitable agent and then cold aus ⁇ punched or cut, z. B. with the help of a water jet. The fraying is prevented by the soaking.
  • the respective velvet or plush piece 29 can be glued or welded onto the inside of the legs 25 of the cleaning fork 23. Through a flat connection It is achieved that the respective velvet or plush piece 29 corresponds exactly to the predetermined contour of the leg 25 of the cleaning fork 23.
  • FIG. 21 shows an embodiment in which the velvet or plush piece 29 is attached to the inner sides of the cleaning fork 23 or its legs 25 only at certain points or lines.
  • FIG. 21 (a) shows, a piece of velvet or plush can be fastened on the one hand to the free ends of the legs 25 and on the other hand to the base of the transverse web 55 connecting the legs 25. If the cleaning fork 23 is pushed onto a tooth to be brushed, the velvet or plush piece 29 applies elastically to the tooth contour, as shown in FIG. 21 (b).
  • FIG. 22 shows a method by means of which a cleaning fork 23 can be manufactured expediently.
  • a velvet or plush piece 29 is connected to a still flat Putzgabel ⁇ blank, for example glued or welded.
  • the Putzgabelrohling is then placed in a still flat state and with it attached velvet or plush piece on a die 74, in the cavity 75, which ent speaks the desired contour of the cleaning fork, the Putzgabelrohling then by applying vacuum via a vacuum channel 76th is involved.
  • the blank may possibly be heated accordingly.
  • FIG. 23 shows an alternative attachment of the velvet or plush piece 29 to the respective leg 25 of the cleaning fork 23 or to the still undeformed blank for this purpose.
  • a positive connection is achieved in that the velvet or plush piece 29 is pushed onto a mandrel 77, so that the mandrel passes through the material of the plush piece or the piece of velvet. With a plunger 78 of the mandrel 77 is then deformed, so that a mushroom-shaped or rivet-shaped head is formed, which holds the plush or velvet piece 29 on the mandrel and preferably clamped.

Abstract

La présente invention concerne une brosse à dents électrique comprenant un manche, une tête de brosse montée de façon mobile par rapport au manche, et un entraînement qui sert à entraîner la tête de brosse pour la faire osciller et/ou tourner. Selon l'invention, la brosse à dents se caractérise en ce que la tête de brosse présente une fourche de nettoyage dont les branches sont dotées vers l'intérieur d'une pièce pelucheuse ou veloutée.
PCT/EP2005/007447 2004-07-29 2005-07-09 Brosse a dents electrique WO2006012974A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/658,290 US20090158538A1 (en) 2004-07-29 2005-07-09 Electrical toothbrush
EP05757343A EP1771123A1 (fr) 2004-07-29 2005-07-09 Brosse a dents electrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004036812A DE102004036812A1 (de) 2004-07-29 2004-07-29 Elektrische Zahnbürste
DE102004036812.0 2004-07-29

Publications (1)

Publication Number Publication Date
WO2006012974A1 true WO2006012974A1 (fr) 2006-02-09

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PCT/EP2005/007447 WO2006012974A1 (fr) 2004-07-29 2005-07-09 Brosse a dents electrique

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US (1) US20090158538A1 (fr)
EP (1) EP1771123A1 (fr)
CN (1) CN101027011A (fr)
DE (1) DE102004036812A1 (fr)
WO (1) WO2006012974A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008058436A1 (fr) * 2006-11-16 2008-05-22 Ming Luo Dispositif électrique à mouvement alternatif
US7934284B2 (en) 2003-02-11 2011-05-03 Braun Gmbh Toothbrushes
WO2017008038A1 (fr) * 2015-07-08 2017-01-12 Water Pik, Inc. Dispositif d'hygiène buccale à conservation d'énergie
CN107661153A (zh) * 2013-03-15 2018-02-06 洁碧有限公司 机械驱动式声波牙刷和水牙线
USD844997S1 (en) 2016-12-15 2019-04-09 Water Pik, Inc. Toothbrush handle
USD845636S1 (en) 2016-12-15 2019-04-16 Water Pik, Inc. Toothbrush handle
US10561480B2 (en) 2016-05-09 2020-02-18 Water Pik, Inc. Load sensing for oral devices
US10610008B2 (en) 2016-12-15 2020-04-07 Water Pik, Inc. Brushing device with illumination features

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007029972A1 (de) * 2007-06-28 2009-01-08 Braun Gmbh Elektrische Zahnbürste
EP2433586A3 (fr) * 2010-09-28 2012-06-06 Hayco Manufacturing Limited Brosse à dents électrique dont le mouvement de la brosse est variable
CN102606410A (zh) * 2012-04-05 2012-07-25 陈恩长 杠杆驱动发电机构
CN108888334A (zh) * 2018-06-22 2018-11-27 东莞市联洲知识产权运营管理有限公司 一种旋转调节吸管的高频电刀

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1203151A (en) * 1967-12-11 1970-08-26 Sonastream Corp Sonic energy dental cleaning device
EP0269564A1 (fr) * 1986-11-10 1988-06-01 Intensiv SA Appareil et outillages de traitment dentaire utilisant une pièce condée dans laquelle un mouvement de rotation est transformé en mouvement de translation alternatif
US5137039A (en) * 1991-03-04 1992-08-11 Focus Development Corporation, Inc. Tooth cleaning device
DE19802904A1 (de) * 1998-01-27 1999-07-29 Finalpina Ag Elektrische Zahnbürste
DE69324373T2 (de) 1992-10-31 1999-08-26 Sato ZAHNBüRSTE UND ELEKTRISCH ANGETRIEBENE ZAHNBüRSTE
US6254390B1 (en) * 2000-01-10 2001-07-03 Eugene C. Wagner Oral burnisher
US6381794B1 (en) * 1999-04-23 2002-05-07 Robert P. Porper Electric toothbrush having dual heads with oscillatory movement
US6401288B1 (en) * 1999-04-23 2002-06-11 Robert P. Porper Mechanical toothbrush with opposed dual heads and having oscillatory movement
US20030019060A1 (en) * 1999-06-11 2003-01-30 Gavney James A. Squeegee device and system
US20030154567A1 (en) * 2002-02-16 2003-08-21 Braun Gmbh Toothbrush

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE356112C (de) * 1922-07-14 Guy Vernon Barnes Zahnbuerste
US3030967A (en) * 1959-10-06 1962-04-24 Peyron Antoine Francois Process for applying cosmetic material to the skin
US3012263A (en) * 1959-11-19 1961-12-12 Ralph R Miller Dental cleaning attachment
US3177511A (en) * 1962-07-24 1965-04-13 Harold F Wood Rotary buffing tool
US3965521A (en) * 1974-09-19 1976-06-29 Wardell Winnifred A Convertible multi-purpose brush assembly
DE2600234A1 (de) * 1976-01-07 1977-07-21 Geb Pahnke Erika Gaedke Kleinkinderzahnbuerste
DE2607820C2 (de) * 1976-02-26 1985-06-27 Blendax-Werke R. Schneider Gmbh & Co, 6500 Mainz Mechanisch oder elektrisch angetriebene Zahnbürste
DE2715414A1 (de) * 1977-04-06 1978-10-19 Wilhelm Sander Elektrische zahnbuerste
US4773120A (en) * 1987-09-16 1988-09-27 Wang Ta Chin Polisher with an air pumping device
CH681596A5 (fr) * 1990-09-03 1993-04-30 Ulrich P Prof Dr Saxer
US5504959A (en) * 1994-03-24 1996-04-09 Matsushita Electric Works, Ltd. Electric toothbrush
DE4442001C2 (de) * 1994-11-28 1998-04-16 Hahn Rainer Vorrichtung zur Reinigung von Zahn- oder Zahnersatzoberflächen
DE29907200U1 (de) * 1999-02-19 2000-08-03 Ulrich Peter Zahnbürste
DE10036249A1 (de) * 2000-07-26 2002-02-07 Beate Seling Zahnbürste mit besonders feinen Borsten
GB2371217B (en) * 2001-01-08 2004-04-28 Mcdougall Gregory J Toothbrush

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1203151A (en) * 1967-12-11 1970-08-26 Sonastream Corp Sonic energy dental cleaning device
EP0269564A1 (fr) * 1986-11-10 1988-06-01 Intensiv SA Appareil et outillages de traitment dentaire utilisant une pièce condée dans laquelle un mouvement de rotation est transformé en mouvement de translation alternatif
US5137039A (en) * 1991-03-04 1992-08-11 Focus Development Corporation, Inc. Tooth cleaning device
DE69324373T2 (de) 1992-10-31 1999-08-26 Sato ZAHNBüRSTE UND ELEKTRISCH ANGETRIEBENE ZAHNBüRSTE
DE19802904A1 (de) * 1998-01-27 1999-07-29 Finalpina Ag Elektrische Zahnbürste
US6381794B1 (en) * 1999-04-23 2002-05-07 Robert P. Porper Electric toothbrush having dual heads with oscillatory movement
US6401288B1 (en) * 1999-04-23 2002-06-11 Robert P. Porper Mechanical toothbrush with opposed dual heads and having oscillatory movement
US20030019060A1 (en) * 1999-06-11 2003-01-30 Gavney James A. Squeegee device and system
US6254390B1 (en) * 2000-01-10 2001-07-03 Eugene C. Wagner Oral burnisher
US20030154567A1 (en) * 2002-02-16 2003-08-21 Braun Gmbh Toothbrush

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7934284B2 (en) 2003-02-11 2011-05-03 Braun Gmbh Toothbrushes
US7958589B2 (en) 2003-02-11 2011-06-14 The Gillette Company Toothbrushes
US8695149B2 (en) 2003-02-11 2014-04-15 Braun Gmbh Toothbrushes
WO2008058436A1 (fr) * 2006-11-16 2008-05-22 Ming Luo Dispositif électrique à mouvement alternatif
CN107661153A (zh) * 2013-03-15 2018-02-06 洁碧有限公司 机械驱动式声波牙刷和水牙线
US10918469B2 (en) 2013-03-15 2021-02-16 Water Pik, Inc. Toothbrush with fluid directing drive assembly
US11399925B2 (en) 2013-03-15 2022-08-02 Water Pik, Inc. Wirelessly controlled oral irrigator
US9987109B2 (en) 2013-03-15 2018-06-05 Water Pik, Inc. Mechanically-driven, sonic toothbrush and water flosser
US11744690B2 (en) 2013-03-15 2023-09-05 Water Pik, Inc. Toothbrush tip
USD959840S1 (en) 2013-03-15 2022-08-09 Water Pik, Inc. Brush head for oral cleansing device
US10828137B2 (en) 2013-03-15 2020-11-10 Water Pik, Inc. Brush tip with motion transfer and securing engagement structures
US11351018B2 (en) 2013-03-15 2022-06-07 Water Pik, Inc. Oral cleansing device with removable base
CN107661153B (zh) * 2013-03-15 2021-01-12 洁碧有限公司 机械驱动式声波牙刷和水牙线
USD878765S1 (en) 2013-03-15 2020-03-24 Water Pik, Inc. Brush head for oral cleansing device
US20170007384A1 (en) * 2015-07-08 2017-01-12 Water Pik, Inc. Oral cleansing device with energy conservation
EP3598956A3 (fr) * 2015-07-08 2020-04-01 Water Pik, Inc. Dispositif de nettoyage oral à conservation d'énergie
US10449023B2 (en) 2015-07-08 2019-10-22 Water Pik, Inc. Oral cleansing device with energy conservation
EP3319548B1 (fr) * 2015-07-08 2019-10-16 Water Pik, Inc. Dispositif d'hygiène buccale à conservation d'énergie
US11284980B2 (en) 2015-07-08 2022-03-29 Water Pik, Inc. Oral cleansing device with rotatable fluid connector
WO2017008038A1 (fr) * 2015-07-08 2017-01-12 Water Pik, Inc. Dispositif d'hygiène buccale à conservation d'énergie
US10561480B2 (en) 2016-05-09 2020-02-18 Water Pik, Inc. Load sensing for oral devices
US11013315B2 (en) 2016-12-15 2021-05-25 Water Pik, Inc. Light diffuser for oral cleansing devices
USD906688S1 (en) 2016-12-15 2021-01-05 Water Pik, Inc. Toothbrush handle
USD881584S1 (en) 2016-12-15 2020-04-21 Water Pik, Inc. Toothbrush handle
US10610008B2 (en) 2016-12-15 2020-04-07 Water Pik, Inc. Brushing device with illumination features
USD845636S1 (en) 2016-12-15 2019-04-16 Water Pik, Inc. Toothbrush handle
USD844997S1 (en) 2016-12-15 2019-04-09 Water Pik, Inc. Toothbrush handle

Also Published As

Publication number Publication date
CN101027011A (zh) 2007-08-29
DE102004036812A1 (de) 2006-03-23
US20090158538A1 (en) 2009-06-25
EP1771123A1 (fr) 2007-04-11

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