EP0140919B1 - Sprühvorrichtung, insbesondere bürstenartiges körperreinigungs- und/oder massagegerät beispielsweise zahnbürste - Google Patents

Sprühvorrichtung, insbesondere bürstenartiges körperreinigungs- und/oder massagegerät beispielsweise zahnbürste Download PDF

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Publication number
EP0140919B1
EP0140919B1 EP84901335A EP84901335A EP0140919B1 EP 0140919 B1 EP0140919 B1 EP 0140919B1 EP 84901335 A EP84901335 A EP 84901335A EP 84901335 A EP84901335 A EP 84901335A EP 0140919 B1 EP0140919 B1 EP 0140919B1
Authority
EP
European Patent Office
Prior art keywords
section
bristle
valve
handle
carrier part
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
EP84901335A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0140919A1 (de
Inventor
Ronald Herzfeld
Karl Wydra
Herbert Grebe
Fritz Dickel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THORWARTH AND GREBE oHG
Original Assignee
THORWARTH AND GREBE oHG
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
Priority claimed from DE19843400934 external-priority patent/DE3400934A1/de
Application filed by THORWARTH AND GREBE oHG filed Critical THORWARTH AND GREBE oHG
Priority to AT84901335T priority Critical patent/ATE36051T1/de
Publication of EP0140919A1 publication Critical patent/EP0140919A1/de
Application granted granted Critical
Publication of EP0140919B1 publication Critical patent/EP0140919B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0095—Removable or interchangeable brush heads
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/06—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water connected to supply pipe or to other external supply means
    • A46B11/063—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water connected to supply pipe or to other external supply means by means of a supply pipe
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • the invention relates to body cleaning and / or massage devices according to the features of the preamble of claim 1.
  • Toothbrushes are also understood to mean denture cleaning brushes.
  • the invention also includes connectable to a faucet personal care and personal cleaning equipment such.
  • the device according to the invention contains at least one spray nozzle for dispensing a spray jet, which supports or promotes the care or cleaning task of the device.
  • Nozzle elements in the form of fluidic oscillators are known which contain no moving parts and, because of their special oscillator configuration, emit a rapidly oscillating spray jet which has special cleaning and / or massage effects and are therefore particularly advantageous as a spray jet in personal care and body cleaning devices is. Oral irrigators with such fluidic oscillators are already z.
  • An adapter is known from DE-A-2 634 721.
  • a device with the features of the preamble of claim 1 is known from FR-A-2 380 011.
  • the water stop should, in spite of different water pressures, especially in pressure ranges, such as those found in taps in residential buildings, in particular in bathrooms, safely close the passage of water in its unactuated position. After a largely light actuation of the water stop by hand, it should automatically return to its shut-off position.
  • the device according to the invention should in particular be designed as a toothbrush in such a way that the bristles can be replaced by new or different types of bristles in a simple and convenient manner by the user without special aids.
  • the bristles should be exchangeable or be replaced by new or different bristles, without the actual brush holder having to be renewed with at least one spray nozzle and the handle, which are subject to much less wear than the bristles.
  • FIG. 1 shows a partial longitudinal section through the toothbrush 1 according to the invention comprising a bristle holder part 2 and an exchangeable bristle plate 3 with bristle tufts 4 shot in in a conventional manner.
  • the bristle carrier part 2 is in one piece with a short tube 5, the coupling end 6 of which can be coupled with the handle shown in FIG. 9.
  • the coupling end 6 has a groove 6 'which engages in a coupling ring to be described in the handle, which is described in more detail below.
  • an annular body 7 is firmly attached, which facilitates the attachment of the toothbrush 1 to the handle and the removal of the toothbrush 1 from the handle by hand.
  • the ring body 7 has a cylindrical inner ring section 8 which has two flattened coupling surfaces 9 on opposite outer sides, only one of which is visible in FIG. 1. These surface sections act as a turnstile tion with corresponding coupling surfaces in the handle described below.
  • the bristle carrier part 2 has in its front area a shaft-like recess 10 with a rectangular inner cross section for inserting a nozzle body 10 '.
  • the recess 10 is delimited by longitudinal walls 11 and 12, parallel to the longitudinal axis of the bristle carrier part 2, and parallel transverse walls 13 and 14.
  • the walls 11 to 14 form a tower-like elevation 15 which is in one piece with the half-shell-shaped bottom 16 of the bristle carrier part 2 and which extends from the bottom 16 vertically upwards substantially beyond the flat, circumferential edge 17.
  • the bristle carrier part 2 has at its rear end a shoulder 18 projecting vertically upwards beyond the edge 17, on which the rear end of the bristle plate 3 is supported.
  • the front side 19 of the bristle plate 3 lies essentially in one plane with the outer end face 20 of the shoulder 18.
  • the bristle plate 3 has a rectangular opening 21 in its front area, which is delimited by longitudinal sides 22, 23 parallel to the longitudinal axis of the bristle plate 3 and parallel transverse sides 24, 25.
  • the tower-like elevation 15 engages in the opening 21 in the bristle plate 3.
  • the outer end faces 26 of the elevation lie essentially in one plane with the front 19 of the bristle plate 3.
  • FIG. 2 only the bristle carrier part 2 of FIG. 1 is shown in longitudinal section.
  • the sectional view in FIG. 2 is shown somewhat enlarged compared to the sectional view in FIG. 1.
  • the ring body 7 is withdrawn from the coupling end 6 of the tube 5 on the bristle carrier part 2. This makes it clear that the ring body 7 is supported on a ring shoulder 27.
  • the wall of the tube 5 encloses a first cylindrical channel section 28 which extends approximately into the region of the shoulder 18 of the bristle carrier part.
  • a second channel section 29 adjoins the first channel section 28 and tapers conically towards the recess 10.
  • the second channel section 29 is narrowed by an inclined surface 30 to a relatively short third channel section 31, which has a rectangular cross section and which opens into the shaft-like recess 10.
  • the third channel section 31, as shown in FIG. 4 is important in terms of fluid flow for the operation of the nozzle body 10 ′, which is firmly inserted into the recess 10, as shown in FIG. 1.
  • this is a fluidic oscillator which, despite the high flow rate, is distinguished by its particularly short axial length, which is considerably shorter than the fluidic oscillator of US Pat. No. 4,231,519, which is similarly known in terms of its channel configuration.
  • the particularly short overall length of the oscillator is essentially achieved in that the main nozzle with the subsequent interaction chamber and the outlet opening of the oscillator configuration from first recesses 33 in one functional side of the rectangular oscillator structure 34 and the return duct from second channel-like recesses 35 in the there are parallel opposite other functional side of the oscillator structure 34 and that the channel-like recesses 35 through the OsziHator structure 34 penetrating holes or openings not visible here are connected to the recesses 33.
  • the nozzle body 10 ' is inserted into the recess 10 of the tower-like elevation 15 such that an essentially rectangular inflow section 36 upstream of the main nozzle of the oscillator body 34 is exactly opposite the rectangular outlet opening of the third channel section 31.
  • the rectangular cross section of the third channel section 31 is particularly well adapted in size to the rectangular cross section of the inflow section 36 of the oscillator body 34, it being remarkable that the boundary edges of the inflow cross section 36 do not essentially protrude into the outlet opening of the third channel section 31.
  • the inner dimensions of the shaft-shaped recess 10 and the outer dimensions of the nozzle body 10 ' are chosen such that the opposite functional sides with their recesses 33 and 35 on both sides lie flush against the inside 37 and 38 of the transverse walls 13 and 14 of the tower-like elevation 15.
  • the transverse walls 13, 14 of the elevation 15, which are subjected to pressure must have a minimum thickness, which can also be achieved in that the transverse walls are curved on the outside, in contrast to the illustration in FIG. 3, such as the dashed lines 40 'and 41 'hint.
  • a surface-tight connection of the nozzle body 10 'with its two opposite, parallel functional sides to the parallel inner sides 37 and 38 of the transverse walls 13, 14 is achieved in that the functional sides bear against the inner sides 37 and 38 under a certain prestress. It is important that both the functional sides of the nozzle body 10 'and the inner sides 37, 38 of the transverse walls 13, 14 lie plane-parallel to one another and have a largely smooth surface.
  • the bristle plate 3 is supported on its circumferential flat edge 17.
  • the tower-like elevation 15 adjoins a tunnel-like tubular jacket 39, which conical channel section 29 (Fig. 2) encloses.
  • a groove can be present in the peripheral edge 17, into which a projecting edge engages on the rear side of the bristle plate 3 or vice versa.
  • the distance of the recess 43 from the tower-like elevation 15 of the bristle carrier part 2 or the distance of the projection 42 from the opening 21 in the bristle plate 3 determine the pivoting radius with which the opening 21 swings in via the elevation 15 when the bristle plate 3 touches the bristle carrier part 2 is pressed.
  • the angles of the inclined outer sides 40, 41 of the transverse walls 13, 14 of the elevation 15 and the corresponding inclined transverse sides 24, 25 of the opening 21 of the bristle plate 3 are determined, so that the outer sides 40, 41 are largely free of play on the transverse sides 24, 25 connect.
  • the handle 50 according to the invention is shown, which consists of an elongated tubular body 51 which is connected at its rear end 52 to a hose 52 ', the free end of which with a coupling plug 52 "for coupling with a known adapter
  • a coupling plug 52 for coupling with a known adapter
  • the free interior 53 of the tubular body 51 is sufficiently wide to accommodate a metering sleeve 54 perforated by holes 56.
  • the metering sleeve takes a sparingly water-soluble mouthwash stick 54 Because of the flowing water flow in the annular gap 55 between the dosing sleeve 54 and the inner wall of the tubular body 51, the mouthwash stick 54 'is slowly dissolved so that a certain amount of solution is continuously released to the flowing water flow for poorly soluble mouthwash sticks is known from DE-A-3 147 264.
  • the cap 60 is penetrated by a central water connection channel 62 which connects in the front end 61 of the cap to a channel extension 63 which receives a sleeve 64.
  • the sleeve 64 has a circumferential inner groove 65 for receiving an O-ring which engages in the groove 6 'when the coupling end 6 of the toothbrush 1 is inserted.
  • the toothbrush 1 is hereby connected to the cap 60 or the handle 50 in a watertight manner.
  • the front end of the cylindrical channel extension 63 has, on radially opposite cylinder wall sections, radially inwardly projecting flat coupling surfaces 66 which are parallel to one another and of which only one is visible in FIG. 9.
  • the flat coupling surfaces 66 lie opposite the flat coupling surfaces 9 on the ring body 7 of the toothbrush 1 with little play.
  • an opening 67 which runs transversely to the longitudinal axis of the cap and which crosses the water connection channel 62.
  • the opening 67 serves to receive a valve-like slide body 68, which consists of two cylinder body sections 69 and 70, which have different diameters.
  • a valve-like slide body 68 which consists of two cylinder body sections 69 and 70, which have different diameters.
  • a spring 73 On the end face 69 "of the larger cylinder body section 69, a spring 73 is supported, which presses against the inner bottom of a cover 73 'which pushes the opening 67 outwards covers.
  • the stepped outer end 74 of the cylinder body section 70 with the smaller diameter protrudes somewhat from the opening 67.
  • the stepped end 74 of the cylinder body section 70 firmly engages in a central recess 75 of a push button 79, which has an outer cylindrical guide section 76 for displacing the slide body 68, which is displaceably guided in a radial ring recess 77 of the cap 60, which is coaxial with the opening 67 lies.
  • the opening 67 has a narrower cylinder wall section 70 'for guiding the smaller cylinder body section 70 and a further cylindrical wall section 69' for guiding the further cylinder body section 69. Between the two cylindrical sections 69 'and 70', the opening 67 has a conical wall section 72 'which penetrates the central water connection channel 62 and forms an annular valve seat.
  • the conical ring seal 72 is pressed by the spring 73 against the central conical wall section 72 ', whereby the central water connection channel 62 to the toothbrush 1 is shut off.
  • the cylinder body section 70 with a smaller cross section protrudes at most from the narrower cylinder wall section 70 ′ of the opening 67.
  • Pressing the push button 79 pushes the slide body 68 against the force of the spring 73 more or less out of its shut-off position, whereby an annular gap is released through which the water connection channel 62 is connected.
  • the released upon actuation of the slide valve annular gap is the further, the stronger the force acting on the push button is, so that the z. B. released to the toothbrush amount of water depends on the force with which the push button 79 is pressed by hand against the cap 60.
  • the further and the narrower cylinder body sections 69 and 70 of the slide body 68 each have a sealing ring 80 or 80 'in a first embodiment according to the invention.
  • the sealing ring 80 lies in an encircling annular groove, while the sealing ring 80 'lies between an annular shoulder 74' at the end of the cylinder body section 70 and the front end face of the annular wall 79 'which delimits the central recess 75 of the push button 79 and which with little play lies in the section 70 'engages the opening 67.
  • a lid-like sieve body 81 is held, which covers the central water connection channel 62.
  • the peripheral edge of the screen body 81 is pressed into a central ring recess 82 at the rear end of the cap 60.
  • the sieve body 81 is supported on the end face of the cylinder wall 83 comprising the channel 62 and the ends of two radial web walls 84 and 85 which intersect at right angles and which stiffen the central annular recess 82 (FIGS. 10 and 11).
  • the resetting of the slide body 68 into its sealed shut-off position is ensured according to the exemplary embodiment described above solely by the force of the spring 73, which must therefore be designed to be relatively strong.
  • the cylinder space in which the spring 73 is accommodated is constantly vented via a groove 86 in the cover 73 '.
  • the vent 86 to the outside can also be dispensed with.
  • a flat cover 73 'then closes off the opening 67 in a fluid-tight manner from the outside.
  • the outer end face 69 "of the larger cylinder body section 69 is connected to the tubular body 51 of the handle 50 via at least one dashed opening 87 (FIG. 10) in the radial partition 88 between the opening 67 and the central annular recess 82, so that the The slide body 68 is acted upon by the water pressure from the handle in the shut-off direction.
  • the spring 73 can be omitted entirely or it can be made relatively weak. The spring 73 then only has the task of holding the slide body 68 in its shut-off position even when there is no water pressure and the push button 79 is not actuated.
  • a certain closing pressure is exerted on the slide body 68 by the water pressure, which ensures that when the push button 79 is released, the slide body 68 is switched back into its blocking position.
  • the effective area difference between the larger and the smaller cylinder body sections 69 and 70 advantageously supports the opening movement of the slide body 68.
  • the cap 60 as well as the tubular body 51 of the handle 50 are preferably made of plastic.
  • the radial ring recess 77 extends up to close to the central water connection channel 62.
  • a further radial ring recess 77 ' is provided coaxially with the opening 67.
  • the further ring recess 77 ' is opposite to the ring recess 77 and also extends to close to the water connection channel 62.
  • the openings 87 connect in the radial partition 88 the axial ring recess 82 with the radial ring recess 77 '.
  • Toothbrush 1 is limited to the handle 50.
  • the person skilled in the art is readily able to use different brush-like body cleansing or body massage devices, e.g. B. to provide a facial cleansing device in which the handle with a brush and at least one nozzle are combined in one device that in principle has a similar water stop as the handle 50 described above be acted upon by the water pressure in the closing direction.
  • slide body 68 can also be replaced by different types of stepped pistons.
  • the invention is not limited to brush-type personal care devices. It can e.g. B. also around shaving brushes, car wash brushes or other brushes that can be used in the household or also any spray devices, eg. B. garden sprinklers, each of which can be connected to a source of pressurized water in a handle via a manually operable valve.
  • any spray devices e.g. B. garden sprinklers, each of which can be connected to a source of pressurized water in a handle via a manually operable valve.

Landscapes

  • Brushes (AREA)
EP84901335A 1983-03-31 1984-03-31 Sprühvorrichtung, insbesondere bürstenartiges körperreinigungs- und/oder massagegerät beispielsweise zahnbürste Expired EP0140919B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84901335T ATE36051T1 (de) 1983-03-31 1984-03-31 Spruehvorrichtung, insbesondere buerstenartiges koerperreinigungs- und/oder massagegeraet beispielsweise zahnbuerste.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE3311974 1983-03-31
DE3311974 1983-03-31
DE3400934 1984-01-12
DE19843400934 DE3400934A1 (de) 1983-03-31 1984-01-12 Koerperpflege- und koerperreinigungsgeraet, insbesondere zahn- und gesichtsreinigungsbuerste oder munddusche und fluidischer oszillator, insbesondere zur verwendung in solchen geraeten
DE3410209 1984-03-20
DE3410209 1984-03-20

Publications (2)

Publication Number Publication Date
EP0140919A1 EP0140919A1 (de) 1985-05-15
EP0140919B1 true EP0140919B1 (de) 1988-07-27

Family

ID=27190896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84901335A Expired EP0140919B1 (de) 1983-03-31 1984-03-31 Sprühvorrichtung, insbesondere bürstenartiges körperreinigungs- und/oder massagegerät beispielsweise zahnbürste

Country Status (6)

Country Link
US (1) US4863302A (it)
EP (1) EP0140919B1 (it)
CA (1) CA1224904A (it)
DE (1) DE3473022D1 (it)
IT (1) IT1196066B (it)
WO (1) WO1984003923A1 (it)

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US6089865A (en) * 1995-03-08 2000-07-18 Edgar; Gary W Tongue cleaning device
US5570966A (en) * 1995-05-08 1996-11-05 Phelan; John J. Flow-through brush fluid dispensing container
US5683192A (en) * 1996-04-15 1997-11-04 Kilfoil; Dennis C. Toothbrush system with an internal water delivery system operable from a shower
US5918782A (en) * 1997-03-06 1999-07-06 Hayes Products, Llc Pump assembly with sprayer
WO1998039245A2 (en) * 1997-03-06 1998-09-11 Hayes Products, Llc Sprayer, pump and assembly
US6089414A (en) * 1997-03-06 2000-07-18 Hayes Products, Llc Pump assembly with one piece piston
FR2770768B1 (fr) * 1997-11-12 2000-03-31 Sagem Brosse de nettoyage de dents amovible pour dispositif de pulverisation
US5876135A (en) * 1998-03-13 1999-03-02 Wang; Yeou Jw Tooth brush device having a dentifrice supplier
AU139551S (en) 1998-09-11 2000-01-11 Ricoh Elemex Co Ltd Comb-shaped nozzle member for washing scalp
US6263536B1 (en) 1999-03-11 2001-07-24 Erin Beales Spray brush for cleaning squeegees
US6360922B1 (en) 1999-04-27 2002-03-26 Hayes Products, Llc Pump assembly with pressure release capability
IE20000110A1 (en) * 2000-02-07 2001-08-22 Loctite R & D Ltd Applicator, Applicator Cap and a Container Having an Applicator Cap
US6884069B2 (en) 2001-07-12 2005-04-26 The Gillette Company Oral care device
US6659674B2 (en) * 2001-09-14 2003-12-09 Conair Corporation Oral irrigator and brush assembly
US6953133B2 (en) * 2002-04-02 2005-10-11 Hayes Products, Inc. Pump assembly with continuous tube
US7427004B2 (en) * 2003-10-20 2008-09-23 Meadwestvaco Calmar, Inc. Hand held pressurized sprayer
US8444416B2 (en) 2005-04-26 2013-05-21 Braun Gmbh Valves for personal care devices
DE102007028184A1 (de) 2007-06-20 2008-12-24 Braun Gmbh Bürstenkopf für eine Zahnbürste
RU2013143785A (ru) * 2011-02-28 2015-04-10 Конинклейке Филипс Электроникс Н.В. Соединительная конструкция стоматологического чистящего устройства для выброса жидкости/воздуха
DE102015222771B3 (de) 2015-11-18 2017-05-18 Technische Universität Berlin Fluidisches Bauteil
USD833029S1 (en) 2017-01-09 2018-11-06 Toothshower, Llc Gum massager
USD882067S1 (en) 2017-01-09 2020-04-21 Toothshower, Llc Oral irrigator
US10478267B2 (en) 2017-01-09 2019-11-19 ToothShower LLC Oral irrigator
US10874206B2 (en) 2018-04-02 2020-12-29 Toothshower, Llc Oral cleaning system
US11739517B2 (en) 2019-05-17 2023-08-29 Kohler Co. Fluidics devices for plumbing fixtures
US20220287810A1 (en) * 2019-09-03 2022-09-15 Koninklijke Philips N.V. Air vent assembly for a pump

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Also Published As

Publication number Publication date
CA1224904A (en) 1987-08-04
IT8420321A0 (it) 1984-03-30
DE3473022D1 (en) 1988-09-01
IT1196066B (it) 1988-11-10
US4863302A (en) 1989-09-05
WO1984003923A1 (fr) 1984-10-11
IT8420321A1 (it) 1985-09-30
EP0140919A1 (de) 1985-05-15

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