WO2009000467A1 - Zahnbürste - Google Patents
Zahnbürste Download PDFInfo
- Publication number
- WO2009000467A1 WO2009000467A1 PCT/EP2008/004976 EP2008004976W WO2009000467A1 WO 2009000467 A1 WO2009000467 A1 WO 2009000467A1 EP 2008004976 W EP2008004976 W EP 2008004976W WO 2009000467 A1 WO2009000467 A1 WO 2009000467A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- toothbrush
- attachment
- handpiece
- coupling piece
- coupling
- Prior art date
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
- A61C17/221—Control arrangements therefor
-
- 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
Definitions
- the present invention relates to a preferably electric toothbrush.
- the invention relates to the toothbrush handpiece with a handpiece neck which can be inserted into the connection piece of an attachment, for example a brush attachment, to which a coupling device with at least one engagement member for positive and / or frictional locking with the attachment piece of the attachment is provided.
- said attachment part which may for example form a brush attachment, with a working head and connected to the working head, tubular fitting, which is placed on the handle neck of the toothbrush handle part, wherein the connector is a coupling part for positive and / or frictional locking having the fitting on the handle neck.
- An electric toothbrush is known from EP 0 500 537 B1, in which the attachment brush is connected, on the one hand, to a frontally projecting, shaft-shaped handpiece neck of the toothbrush handpiece and, on the other hand, to a drive shaft projecting therefrom.
- the handpiece neck is designed approximately cylindrical frustum, so that the approximately tubular connection piece of the attachment brush can be plugged snugly on the handpiece neck.
- the present invention seeks to provide an improved toothbrush, an improved toothbrush handle part and / or an improved attachment for such a toothbrush handpiece, avoid the disadvantages of the prior art and further develop the latter in an advantageous manner.
- a simple and low-to-use connection between the attachment part and the toothbrush handpiece should be created, which gives the attachment a firm hold on the toothbrush handpiece, and prevents unintentional release of the attachment brush as far as possible.
- the object mentioned is achieved by a toothbrush handpiece according to claim 1, an attachment part preferably for such a toothbrush handpiece according to claim 28 and a toothbrush according to claim 43.
- Preferred embodiments are the subject of the dependent claims.
- the handle of a toothbrush has at its handle neck a coupling device with at least one engagement member which is provided for positive and / or frictional locking with a connection piece of an attachment, such as a brush attachment, wherein the coupling piece is movable in the longitudinal direction of the hand ,
- the coupling piece is preferably pressed axially away from the handle part of the toothbrush handle part by a spring element, so that the coupling piece is in a defined position relative to the handle part in which the attachment part can be placed on unhindered.
- the handpiece neck is formed integrally with the housing of the handpiece.
- the coupling device on Handteilhals works advantageously with an axial movement in Handteillnaturescardi and a transverse movement transversely to the longitudinal direction Handteillnaturesraum, advantageously the axial movement in Handteillnaturescardi the operation of the coupling device and the transverse movement causes the lock.
- the toothbrush handpiece is distinguished by the fact that its coupling device has an axially movable in the longitudinal direction of the handpiece coupling piece, which is mounted and / or formed such that an axial movement of the coupling piece generates a transverse movement of the engaging part of the coupling device transversely to the handle longitudinal direction.
- the axial actuating movement can be advantageously generated by the attachment part during its placement or removal on or from the handle neck.
- the attachment or removal of the attachment can be used, so to speak, to produce a transverse thereto directed locking movement or unlocking movement of the handpiece side coupling device.
- the attachment part is characterized in that its coupling part on an inner circumferential surface an outwardly directed recess into which the engagement part of handteil documenten coupling piece is retractable, and an abutment surface for axially repelling the handteil document coupling piece when placing the connector on the handle neck having.
- the aforementioned abutment surface on the coupling part of the attachment part is advantageously adapted in terms of shape and position of the handpiece-side coupling piece, that the Butting surface catching the coupling piece of the toothbrush handle part when Aufsatzetzeni and Zahnbürstenhandteü and axially pushes back to the handle portion of the toothbrush handle portion, so that the lock is effected, so to speak, automatically when placing the attachment part.
- a spreading mechanism is preferably provided between the handpiece neck and the coupling piece of the toothbrush handpiece, through which the aforementioned engagement part of the handpiece side coupling device to the handpiece body to transverse to the longitudinal direction of the said coupling piece on the handpiece body is spread outside.
- the coupling piece itself, which is spread outward by the said spreading mechanism with corresponding axial movement, so that said engagement part can be provided directly on the coupling piece, preferably integrally formed integrally thereon.
- Said spreading mechanism can be designed differently.
- the spreading could be effected by a pair of inclined surfaces.
- the coupling piece could run onto a provided on Handteilhals inclined surface, so that the coupling piece is pushed to push back on the handle to the outside.
- the spreading mechanism is designed as a positive guide, which prevents a transverse movement of the coupling piece without axial movement of the coupling piece and / or vice versa.
- the spreading mechanism is thus designed such that not only an outward pressing of the coupling piece with a corresponding axial movement, but also an inward pulling at opposite axial movement is ensured.
- the coupling piece of the handpiece-side coupling device may be mounted by a handlebar guide on the handpiece neck, which has at least one handlebar, which is hinged in an advantageous embodiment with its one end pivotally on Handteilhals and with its other end pivotally mounted on the coupling piece, wherein the pivot axes advantageously transversely are aligned to the handle longitudinal direction.
- the coupling piece may be guided in a longitudinally displaceable manner on the handle neck at a section spaced from the engaging part, so that a particular - A -
- the coupling piece is articulated by a Parallelogrammienker arrangement with at least two approximately mutually parallel arms on the handle neck, so that the coupling piece can be moved in parallel on a predetermined path of the handlebars substantially without rotation component.
- the Parallelogrammlenker arrangement is such that during an axial movement of the coupling piece in the longitudinal direction of the handle a transverse movement component is generated transversely thereto.
- the links of the parallelogram link guide are aligned such that initially, i. in the region of the non-locking position of the coupling piece during an axial movement a stronger transverse movement component is generated than at the other end of the axial travel, i. in the area of the locking position.
- the coupling piece can be guided on a movement path, which provides a radial overpressure of the coupling piece before reaching the locking position of the coupling piece at one end of the movement path, wherein the coupling piece is moved transversely to the handle longitudinal direction outwards than in the locking position itself.
- the handlebars of the parallelogram can be arranged such that they pass over a perpendicular to the handle longitudinal direction when pivoting in the locking position of the coupling piece, while the handlebars occupy an acute-angled to the handle longitudinal direction inclined position in both end positions of the handpiece side coupling.
- the handlebars can be arranged such that they are inclined to different degrees in said end positions of the coupling piece.
- handlebars in the retracted, unlocked position of the coupling to the handle longitudinal direction at an angle between about 20 ° and 60 °, preferably 30 ° to 50 ° may be inclined, they are advantageously in the locking position of the coupling piece to the handle longitudinal direction at an angle of about 70 ° to 89 °, preferably 75 ° to 85 °, inclined.
- the aforementioned angle specifications are to be understood in terms of amount, since advantageously between the two end positions, the vertical 90 ° position is traversed to the handle longitudinal direction, so that the handlebar relative to said 90 ° position to the handle longitudinal direction in the aforementioned Winkell. End positions are inclined to different sides.
- the coupling piece can also be spread by means of a sliding guide, wherein the coupling piece is advantageously forcibly guided by the sliding guide, that an axial movement of the coupling member is forcibly converted into a radial movement.
- the positive guidance is given in both directions, ie, upon movement of the coupling piece in one direction, the coupling piece is pressed outward, while it is pressed inwardly in the opposite direction when moving.
- Said sliding guide is advantageously designed as a sliding guide, which preferably has a guide slot in the coupling piece and at least one engaging guide nose on the handle neck.
- the coupling piece forms a sliding block, so to speak, which can be spread open along a sliding path along the slotted guide.
- the strength and height of the spreading movement can be controlled by the slope of the slotted guide.
- the slide guide comprises a plurality of guide sections of different pitch, so that depending on the axial position of the coupling piece different spreading movements take place.
- the slide guide beginning and end portions with a slight slope or advantageously comprise a substantially gradient-free course parallel to the handle longitudinal direction, between which a guide means section is provided with a larger pitch.
- the coupling piece can be kept substantially free of axial force by the guide sections which are only slightly or not inclined in the respective position.
- the desired spreading movement can be achieved via the more inclined guide section.
- the coupling device may be associated with a preferably mechanically operating control device which controls the toothbrush drive in dependence on the position of the coupling device.
- the control means may comprise inhibiting means which block, disengage or brake the toothbrush drive when the engagement portion of the coupling means is not in its locking position. This can prevent the toothbrush drive from moving when the attachment brush is not sitting properly on the handpiece.
- the said inhibiting means may be designed differently, it being conceivable in principle to design the inhibiting means in terms of control or software.
- the inhibiting means may comprise an engagement surface on the coupling piece, which can engage in the inwardly driven non-locking position of the coupling piece with a drive shaft of the handle, in particular can be pressed onto the drive shaft.
- the inhibiting means may comprise movable flats on the drive shaft and said handpiece-side coupling piece. Pressing the coupling piece with its flattening on a corresponding flattening of the drive shaft, the latter can not turn.
- the abovementioned flattenings are advantageously arranged on the lateral surface side.
- the inhibition of the toothbrush drive in the non-locking position of the coupling piece is supported by the spring element, since this pushes the coupling piece with the attachment part not mounted axially away from the handle portion of the toothbrush handle portion, ie in the unlocked position.
- the said inhibiting means can cooperate with an electronic shutdown for the drive motor.
- said control means may comprise a preferably electronic shut-off device which shuts off the drive motor upon inhibition of the drive shaft.
- the electronic switch-off device notices that the drive shaft of the toothbrush can not move freely, the drive motor is switched off in order to protect the motor and in particular also the batteries.
- the detection of the Hemmsituation the drive shaft can in principle be done in various ways.
- a position sensor could be provided which detects the position of the aforementioned coupling piece. If this is in its inhibition position, the drive motor is switched off.
- the shutdown of the engine can also be done on the basis of its power consumption.
- the aforementioned switch-off device may comprise detection means for detecting the motor current and then switch off the drive motor when the motor current exceeds a predetermined motor current level. This occurs when the drive shaft is blocked.
- a catching portion is provided on the handpiece elegantlyen coupling piece, which captures a provided on the fitting of the attachment part abutting surface when placing the attachment part on the handle neck, so that the abutment surface Trapping section and thus the coupling piece moves axially to the handle portion of the toothbrush handle to when the attachment is pushed onto the handle neck.
- the handpiece-side coupling piece and the coupling part of the attachment part extending transversely to the longitudinal direction of the handpiece or attachment longitudinal direction extending abutting surface pair is provided with respect to position and alignment is adapted to each other so that the abutment surfaces when placing the attachment part on the handpiece neck forcibly engaged and the effect desired axial displacement of the handpiece side coupling piece.
- the catching surfaces catching each other are such that not only the axial adjusting movement for the handpiece-side coupling piece is removed, but also the transverse movement of the handpiece-side coupling piece provided thereby is possible.
- the handpiece-side coupling piece or its abutting surface can slide transversely to the longitudinal direction of the handpiece on the abutment-side abutting surface.
- the catching, the axial adjusting movement of the coupling piece causing portions of the handle and attachment part form, so to speak, a pair of sliding surfaces, which slides on each other in the axial sliding of the attachment part.
- the attachment part-side abutment surface is directly adjacent to the edge of the recess, in which the handpiece-side coupling piece can retract, arranged adjacent.
- said abutting surface can be flush with the recessed edge surface and / or at least partially form the latter recessed edge surface.
- said abutment surface is located at the edge portion of the recess, which is viewed in the direction of attachment longitudinal direction at the lowest in the tubular attachment piece of the attachment.
- a Mitauer lake is provided on the attachment part and on the handpiece side coupling that extends advantageously transversely to the axial direction and in the aforementioned Way forms a pair of sliding surfaces, to allow sliding transversely to Handteil- or attachment part longitudinal direction and thus the unlocking movement of the coupling piece transversely to the handle longitudinal direction.
- the two driving surfaces in the transverse direction that are dimensioned transversely to Handteil- or attachment part longitudinal direction and adapted to overlap each other in the spread-open locking position of the coupling piece and abut each other, but offset in the retracted, unlocked position of the coupling piece in the transverse direction to each other are.
- the aforementioned driver surfaces are disengaged at the latest towards the end of the axial movement of the handpiece-side coupling piece in order to allow complete removal of the attachment part.
- said driving surfaces for driving the coupling piece when removing the attachment brush on the one hand by a recess edge surface of the attachment provided on the recess and on the other hand be formed by an edge surface of the locking projection on the handpiece side coupling.
- dirt receptacles are provided on the handle neck of the toothbrush handle and / or on the fitting of the attachment Dust grains, crumbs or the like can crumble, so to speak, when the two toothbrush parts are placed one on the other, so that they do not hinder the Ankupplungsvorgang.
- the dirt collecting troughs mentioned can be provided here in particular on the cylindrical or conical mating surfaces of the handpiece neck and the attachment part, in particular on the outer circumferential surface of the handpiece neck and the inner circumferential surface of the attachment piece of the attachment part.
- such dirt receptacle can also be provided on the coupling piece of the toothbrush handle part and / or the attachment part and / or the engagement parts provided thereon, so that the coupling operation is not hindered.
- the outer surface of the expandable coupling piece and / or the inner surface of the attachment part engageable therewith is provided with such dirt receiving sinks, so that the spreading of the coupling piece is not hindered.
- the mentioned dirt receptacles can in this case basically be designed differently.
- the dirt collecting troughs can be designed in the form of a surface corrugation, in particular in the form of a longitudinal ribbing. corrugation with extending in the toothbrush longitudinal direction, substantially groove-shaped receiving recesses.
- FIG. 1 is a fragmentary plan view of an electric toothbrush according to a preferred embodiment, showing the attachment brush and part of the handpiece,
- FIG. 1 shows a longitudinal section through the toothbrush of FIG. 1 along the line C-C entered there, showing the multi-part handpiece neck with the coupling piece provided thereon in its locked position, FIG.
- FIG. 3 shows a longitudinal section through the toothbrush from FIG. 1 along the line B-B entered there, which shows the parallelogram link guide of the handpiece-side coupling piece, FIG.
- FIG. 4 is a fragmentary, schematic sectional view of the toothbrush of the preceding figures, showing the connection piece of the attachment brush when pushed onto the handle neck, the handpiece side coupling is still in its non-extended, non-locking position,
- FIG. 5 is a fragmentary, schematic sectional view of the toothbrush of the preceding figures similar to Figure 4, showing the sliding of the brush attachment in a position just before the coupling piece reaches and is actuated, a butt surface in the attachment piece of the brush attachment,
- FIGS. 6 and 8 show further positions of the handpiece-side coupling piece during further attachment of the attachment brush to the toothbrush handpiece in a fragmentary, schematic longitudinal sectional view similar to FIGS. 4 and 5, 9 shows the locked end position of the handpiece side coupling piece in the fully pushed position of the brush attachment in a fragmentary, schematic longitudinal sectional view similar to the preceding figures 4 to 8,
- Fig. 10 a fragmentary longitudinal section through a toothbrush similar to FIG. 4 according to a further advantageous embodiment, according to which the coupling piece is spreadable via a slotted guide, said coupling piece is shown in its extended, locking position, and
- Fig. 11 a fragmentary longitudinal section through the toothbrush of Fig. 10, wherein the coupling piece is shown in its retracted, non-locking position.
- the toothbrush 1 shown in the figures comprises a handpiece 2 and an associated attachment in the form of a brush attachment 3.
- the handpiece 2 only partially shown comprises in a conventional manner, a housing in which a drive motor and a power supply device, for example in the form of a battery , Are received and on which an operating switch is provided for switching on and off of the drive.
- the housing of the handpiece 2 forms a handpiece neck 4 which, viewed as a whole, is in the form of a frontally projecting, frustum-shaped, substantially cylindrical connecting piece, which possibly joins its own can conically taper slightly at the free end.
- a drive shaft 5 emerges from the front side, which, for example, can be driven to oscillate in a rotational manner.
- the attachment brush 3 comprises a working head 6 with a bristle field (not shown in more detail) which can be driven to oscillate in an oscillating manner, for example, about a bristle field axis pointing in the longitudinal direction of the bristle.
- Said working head 6 is supported by an overall tubular connecting piece 7 which can be plugged onto the handpiece neck 4 of the toothbrush handpiece 2.
- the attachment brush 3 comprises a slip-on shaft 8 which can be coupled in a rotationally fixed manner to the drive-side drive shaft 5.
- a coupling insert 9 in the form of a separate coupling sleeve or a coupling ring is provided in or on the tubular connecting piece 7, in or on the tubular connecting piece. 7 is arranged axially and / or radially fixed.
- Said coupling sleeve 9 is a total - roughly speaking - cylindrical or slightly conical, so that the coupling sleeve 9 can be pushed axially on the handle neck 4, whereby a largely play-free attachment of the brush attachment to the handle 2 can be achieved.
- a brush attachment piece 7 is structurally combined with the coupling insert 9, that is integrally formed.
- a rib-shaped and / or approximately half-shell-shaped coupling piece 13 is provided on the handpiece neck 4 of the toothbrush handpiece 2, which can be brought into locking engagement with the attachment brush side coupling insert 9.
- the blunt-shaped handpiece neck 4 is split into a body part rigidly connected to the handpiece housing, which forms the actual handpiece neck 4, and the movably mounted coupling piece 13, which in the non-locking starting position, as shown for example in FIG Continuing contour of the handpiece neck 4 and forms together with this the connecting stump, on which the tubular connecting piece 7 of the brush attachment can be pushed.
- the coupling piece is pressed by a spring element 29, which is formed for example by a arranged in the hand part coil spring, in the position shown in Figure 4.
- the Parallelogrammlenker arrangement 17 comprises two pivotable arms 15 and 16, which are aligned parallel to each other and are hinged at one end to the handle neck 4 and at its other end to the coupling piece 13.
- the "two" link 15 and 16 may also be two pairs of arms, which are each arranged to the right and left of the drive shaft 5 and articulated about respective common pivot axis pairs, so that the coupling piece 13 is also stably supported stable against tilting transversely to the links.
- the links 15 and 16 are arranged such that they are flattened in the non-locking front end position to the toothbrush longitudinal axis while they are steeper in the locking rear end position, see.
- Figure 4 in comparison to Figure 9.
- the handlebars 15 and 16 when passing the coupling piece 13 in its locking position, the vertical position to the toothbrush longitudinal direction, so that an override of the Parallelogrammlenker Assembly 17 takes place before the locking end position is reached.
- the coupling piece 13 and thus the attachment brush 3 is held stable in the locking, coupled position.
- the coupling insert 9 of the attachment brush 3 is advantageously adapted in its diameter to the Aufsp Sonzi of the coupling piece 13, so that when overpressure the Parallelogrammlenker Assembly 17 enters a slightly elastic deformation and / or in the area around the locking position of the coupling piece 13 a snug fit with slight radial pressure on the coupling piece 13 is achieved. As a result, the attachment brush 3 is held stably on the toothbrush handpiece 2.
- the attachment part-side coupling insert 9 comprises on the inside surface side an outwardly directed depression 25 in the form of a window in the coupling insert 9 into which a radially projecting detent nose 18 can retract on the coupling piece 13.
- Said locking lug 18 forms the engagement part 11 with which the handpiece-side coupling device 10 locks the attachment brush 3 on the handle neck 4.
- a radially inwardly projecting actuating projection 28 is provided on the coupling insert 9, the coupling piece 3 entrains when attaching the attachment brush 3 on the handle neck 4 and presses in its locking position.
- the actuating projection 28 is arranged in the illustrated embodiment in Aufsteckraum behind the aforementioned recess 25, wherein it radially further inwardly (towards the axis) projecting than lying in the insertion direction in front of the recess 25 portion 30 of the coupling insert 9, see. FIG. 4.
- the actuating projection 28 directly adjoins the depression 25, so that the abutment surface 20 extending transversely to the attachment longitudinal direction merges flush with the actuating projection 28 into the depression edge surface, cf. FIG. 4.
- the coupling insert 9 has in its inlet region to the recess 25 toward a clear width radially larger than the radial dimension of the locking lug 18 in the retracted, non-locking position of the coupling piece 13, see. FIG. 4.
- the attachment brush 3 can be pushed over the coupling piece 13 until its locking lug 18 comes to lie in the region of the recess 25, as shown in FIG.
- the coupling piece 13 abuts with its frontally provided abutment surface 20, which also extends transversely to the handle longitudinal direction 12, against the abutment surface 26 on the actuating projection 28 of the coupling insert 9.
- This remains the further insertion of the Handteilhalses the coupling piece 13 so to speak , wherein it is spread by the Parallelogrammlenker Assembly 17 on the movement path predetermined by this outwards, as illustrated in Figures 6 to 8. Accordingly, the detent 18 moves into the recess 25 a.
- the coupling piece 13 When redrawing the attachment brush 3, the coupling piece 13 is pivoted in the reverse direction back to its non-locking position.
- a provided on the coupling insert 9 driving surface 27 takes a coupling piece 13 provided on the driving surface 21 and thus the coupling piece 13 in the axial direction.
- the driving surface 21 of the coupling piece 13 is formed by the back of the locking lug 18 and extends substantially perpendicular to the handle longitudinal direction 12.
- the driver surface 27 is formed by an edge surface of the recess 25.
- the coupling piece 13 at the same time forms a control device 22 or a part thereof, which prevents unintentional starting of the toothbrush drive when connecting and disconnecting the attachment brush 3.
- the coupling piece 13 in this case has, as an inhibiting means 23 on its inner side a flattening 24, which cooperates with a mantle surface-side flattening 31 of the drive shaft 5.
- a flattening 24 which cooperates with a mantle surface-side flattening 31 of the drive shaft 5.
- the said inhibition of the drive shaft 5 may in this case be part of a travel fuse and / or battery protection device which switches off the drive motor when the drive shaft is inhibited.
- Said control means 22 can detect by means of a suitable detection means, whether the coupling piece 13, the drive shaft 5 inhibits or not.
- detection means 32 can be provided for this purpose, which detect the height of the motor current. If, in fact, the drive shaft 5 is inhibited, the motor current rises above its normal level, so that when a predetermined motor current threshold is exceeded, it can be assumed that this results from an inhibition of the drive shaft 5 and thus a detached attachment part.
- a shutdown device 33 of the control device 22 can turn off the drive motor in this case, to prevent damage to the drive motor or unwanted discharge of the battery or the battery.
- the spreading mechanism 14 can also have a sliding guide in the form of a slotted guide 34 for spreading the coupling piece 13 instead of the previously described parallelogram link guide 17.
- the coupling piece 13 comprises a guide slot 35 in the form of two leksnutförmiger, stair-like angled guide grooves, engage in the two guide pins 36 whose diameter corresponds approximately to the width of the guide grooves, a substantially play-free sliding guide of the coupling piece 13 to achieve.
- the two guide grooves shown in FIGS. 10 and 11 possibly only one guide groove could possibly be provided, possibly in conjunction with a further support of the coupling piece 13, so that this would additionally experience a pivoting movement during spreading.
- the drawn in FIGS. 10 and 11 slide guide with two guide pins 36th
- the said guide slot 35 different degrees to the handle longitudinal direction 12 inclined guide portions 37, 38 and 39 include, so that the Hubstanding. Spreading movement of the coupling piece 13 passes through several phases.
- a steeper inclined middle guide portion 39 is provided, which opens into less inclined réellesendabête 37 and 38, see. Fig. 10.
- the said leading end portions 37 and 38 are advantageously substantially parallel to Handteill longitudinal 12 aligned so that when the said guide pins 36 are in the range of these mecanicsendabête 37 and 38, no lifting movement of the coupling piece 13 takes place and the latter is held without axial force on the respective spreading level.
- the said leading end portions 37 and 38 also slightly opposite - compared to the inclination of the central guide portion 39 - be inclined, so that when starting the end positions, a slight overpressing takes place.
- the inclination of the central guide portion 39 is hereby advantageously adapted to the conditions of the coupling device 10, in particular the length of Aufsteckterrorism and the diameter of the handpiece neck, wherein in the embodiment of FIG. 10, a pitch angle in the range of about 45 ° to 80 ° than has proved advantageous.
- FIGS. 10 and 11 essentially corresponds to the embodiment of the preceding figures: If the attachment brush 3 is pushed onto the handle neck 4, the coupling piece 13 initially remains in its inwardly driven, non-locking end position, as shown in FIG. 11 shows.
- the coupling insert 9 has in its inlet region to the recess 25 toward a clear width radially larger than the radial dimension of the detent 18 of the coupling piece 13, see. Fig. 11.
- the brush attachment 3 can be pushed over the coupling piece 13 until its locking lug 18 comes to lie in the region of the recess 25.
- the coupling piece 13 abuts with a frontally provided abutting surface 20 which extends transversely to the handle longitudinal direction 12, against the abutment surface 26 on the actuating projection 28 of the coupling insert 9.
- the coupling piece 13 is taken along with the further attachment of the attachment brush 3 axially , whereby the coupling piece 13 is moved in the slide guide 34.
- the coupling piece 13 is pressed radially outward, so that its locking lug 18 enters the window-like recess 25 of the attachment brush 3, see.
- Fig. 10 As shown in Figures 10 and 11, while the actuating projection 28 of the brush attachment 3, which carries the coupling piece 13, formed in the form of a spring clip, which is locked in the fully pushed position on the handle neck 4 and thus forms a locking device.
- said actuating projection 28 can initially spring away radially therefrom and slide over a handpiece neck contour.
- the actuating projection 28 is provided with a radially projecting locking lug, which moves into a provided on Handteilhals 4 recess, see. Fig. 10. In this way, an additional retention of the attachment brush 3 is achieved in the deferred position.
- the coupling piece 13 When redrawing the attachment brush 3, the coupling piece 13 is moved in the reverse direction back to its non-locking position.
- a provided on the coupling insert 9 driving surface 27 takes the provided on the coupling piece 13 driving surface 21 and thus the coupling piece 13 in the axial direction.
- the actuating projection 28 is unlocked by a bevel on its locking lug 40, cf. Fig. 10.
- Upon further retraction moves the coupling piece 13 in the slide guide 34 so far radially inward, that the inner contour of the attachment brush 3 can be pulled over the locking lug 18 of the coupling piece 13, see.
- dirt receiving sinks 41 are provided on the mating surfaces of the toothbrush handle and attachment, into which dust grains, dirt particles and the like can crumble, as it were, so that they do not impede the Ankuppelvorgang.
- 42 may be provided on the outer surface of the coupling piece 13 and / or the outer surface of the Handteilhalses 4 as dirt receptacles 42 l jossnutieri corrugations, see. 10 and 11.
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880022006A CN101711136A (zh) | 2007-06-28 | 2008-06-20 | 牙刷 |
CA2690566A CA2690566A1 (en) | 2007-06-28 | 2008-06-20 | Toothbrush |
JP2010513730A JP2010531176A (ja) | 2007-06-28 | 2008-06-20 | 歯ブラシ |
AU2008267405A AU2008267405A1 (en) | 2007-06-28 | 2008-06-20 | Toothbrush |
EP08759303A EP2157935A1 (de) | 2007-06-28 | 2008-06-20 | Zahnbürste |
US12/663,524 US20100162501A1 (en) | 2007-06-28 | 2008-06-20 | Toothbrush |
BRPI0813245-3A2A BRPI0813245A2 (pt) | 2007-06-28 | 2008-06-20 | Escova de dentes. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007029973A DE102007029973A1 (de) | 2007-06-28 | 2007-06-28 | Zahnbürste |
DE102007029973.9 | 2007-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009000467A1 true WO2009000467A1 (de) | 2008-12-31 |
Family
ID=39768598
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/004978 WO2009000468A2 (de) | 2007-06-28 | 2008-06-20 | Zahnbürste |
PCT/EP2008/004976 WO2009000467A1 (de) | 2007-06-28 | 2008-06-20 | Zahnbürste |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/004978 WO2009000468A2 (de) | 2007-06-28 | 2008-06-20 | Zahnbürste |
Country Status (12)
Country | Link |
---|---|
US (2) | US20100162501A1 (de) |
EP (2) | EP2166979A2 (de) |
JP (2) | JP2010531176A (de) |
KR (2) | KR20100024497A (de) |
CN (2) | CN101715327A (de) |
AU (2) | AU2008267405A1 (de) |
BR (1) | BRPI0813245A2 (de) |
CA (2) | CA2690548A1 (de) |
DE (1) | DE102007029973A1 (de) |
RU (2) | RU2009143986A (de) |
TW (2) | TW200916058A (de) |
WO (2) | WO2009000468A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10376348B2 (en) | 2014-07-02 | 2019-08-13 | Koninklijke Philips N.V. | Shaft for an automatic toothbrush |
Families Citing this family (16)
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DE102007029973A1 (de) * | 2007-06-28 | 2009-01-08 | Braun Gmbh | Zahnbürste |
CN101676052B (zh) * | 2008-09-19 | 2013-10-30 | 德昌电机(深圳)有限公司 | 带力度感应装置的电钻 |
DE102009037324A1 (de) | 2009-08-14 | 2011-02-17 | Jeanette Ludwig-Zeiler | Aufsatzbürstenhalter für eine elektrische Zahnbürste |
PL2335643T3 (pl) * | 2009-12-16 | 2016-06-30 | Braun Gmbh | Część do czyszczenia jamy ustnej urządzenia do czyszczenia jamy ustnej oraz urządzenie do czyszczenia jamy ustnej |
TR201815789T4 (tr) * | 2013-10-25 | 2019-01-21 | Koninklijke Philips Nv | Bir elektrikli diş fırçası tutma yeri için eklenti ve eklemenin yöntemi. |
EP2881080A1 (de) * | 2013-12-04 | 2015-06-10 | Braun GmbH | Zahnbürstengriffteil einer elektrischen Zahnbürste |
BR112018009117A8 (pt) | 2016-08-03 | 2019-02-26 | Koninklijke Philips Nv | conjunto de trem de acionamento para um dispositivo de cuidados pessoais e dispositivo de cuidados pessoais |
EP3300688B1 (de) | 2016-09-28 | 2019-08-07 | Braun GmbH | Elektrisch angetriebene vorrichtung |
EP3300686B1 (de) * | 2016-09-28 | 2019-08-28 | Braun GmbH | Elektrisch angetriebene vorrichtung |
EP3300689B1 (de) | 2016-09-28 | 2019-08-07 | Braun GmbH | Elektrisch angetriebene vorrichtung |
EP3300685B1 (de) | 2016-09-28 | 2019-10-30 | Braun GmbH | Elektrisch angetriebene vorrichtung |
EP3300687B1 (de) | 2016-09-28 | 2019-04-24 | Braun GmbH | Elektrisch angetriebene vorrichtung |
US11517411B2 (en) * | 2017-08-30 | 2022-12-06 | Nortman D. Scott | Arbitrary motion toothbrush |
USD893881S1 (en) | 2017-11-17 | 2020-08-25 | Colgate-Palmolive Company | Oral care apparatus |
USD858997S1 (en) | 2017-11-17 | 2019-09-10 | Colgate-Palmolive Company | Tracking module for an oral care implement |
USD858105S1 (en) | 2017-11-17 | 2019-09-03 | Colgate-Palmolive Company | Oral care implement |
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-
2007
- 2007-06-28 DE DE102007029973A patent/DE102007029973A1/de not_active Withdrawn
-
2008
- 2008-06-20 US US12/663,524 patent/US20100162501A1/en not_active Abandoned
- 2008-06-20 JP JP2010513730A patent/JP2010531176A/ja active Pending
- 2008-06-20 EP EP08759304A patent/EP2166979A2/de not_active Withdrawn
- 2008-06-20 CN CN200880022117A patent/CN101715327A/zh active Pending
- 2008-06-20 AU AU2008267405A patent/AU2008267405A1/en not_active Abandoned
- 2008-06-20 AU AU2008267406A patent/AU2008267406A1/en not_active Abandoned
- 2008-06-20 CA CA2690548A patent/CA2690548A1/en not_active Abandoned
- 2008-06-20 KR KR1020107001328A patent/KR20100024497A/ko not_active Application Discontinuation
- 2008-06-20 EP EP08759303A patent/EP2157935A1/de not_active Withdrawn
- 2008-06-20 CN CN200880022006A patent/CN101711136A/zh active Pending
- 2008-06-20 JP JP2010513731A patent/JP2010531177A/ja not_active Ceased
- 2008-06-20 KR KR1020107000703A patent/KR20100024485A/ko not_active Application Discontinuation
- 2008-06-20 BR BRPI0813245-3A2A patent/BRPI0813245A2/pt not_active Application Discontinuation
- 2008-06-20 RU RU2009143986/14A patent/RU2009143986A/ru unknown
- 2008-06-20 RU RU2009146898/14A patent/RU2009146898A/ru unknown
- 2008-06-20 WO PCT/EP2008/004978 patent/WO2009000468A2/de active Application Filing
- 2008-06-20 WO PCT/EP2008/004976 patent/WO2009000467A1/de active Application Filing
- 2008-06-20 US US12/663,757 patent/US8256055B2/en not_active Expired - Fee Related
- 2008-06-20 CA CA2690566A patent/CA2690566A1/en not_active Abandoned
- 2008-06-27 TW TW097124415A patent/TW200916058A/zh unknown
- 2008-06-27 TW TW097124456A patent/TW200911206A/zh unknown
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10376348B2 (en) | 2014-07-02 | 2019-08-13 | Koninklijke Philips N.V. | Shaft for an automatic toothbrush |
Also Published As
Publication number | Publication date |
---|---|
EP2157935A1 (de) | 2010-03-03 |
CA2690548A1 (en) | 2008-12-31 |
JP2010531176A (ja) | 2010-09-24 |
US20100170051A1 (en) | 2010-07-08 |
CN101711136A (zh) | 2010-05-19 |
TW200916058A (en) | 2009-04-16 |
AU2008267406A1 (en) | 2008-12-31 |
US8256055B2 (en) | 2012-09-04 |
JP2010531177A (ja) | 2010-09-24 |
EP2166979A2 (de) | 2010-03-31 |
US20100162501A1 (en) | 2010-07-01 |
KR20100024485A (ko) | 2010-03-05 |
BRPI0813245A2 (pt) | 2014-12-23 |
CN101715327A (zh) | 2010-05-26 |
CA2690566A1 (en) | 2008-12-31 |
AU2008267405A1 (en) | 2008-12-31 |
DE102007029973A1 (de) | 2009-01-08 |
WO2009000468A2 (de) | 2008-12-31 |
RU2009143986A (ru) | 2011-08-10 |
KR20100024497A (ko) | 2010-03-05 |
WO2009000468A3 (de) | 2009-02-19 |
RU2009146898A (ru) | 2011-08-10 |
TW200911206A (en) | 2009-03-16 |
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