EP2280783B1 - Hand-held shower head having a shower head disposed on a handle - Google Patents

Hand-held shower head having a shower head disposed on a handle Download PDF

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Publication number
EP2280783B1
EP2280783B1 EP09741644.0A EP09741644A EP2280783B1 EP 2280783 B1 EP2280783 B1 EP 2280783B1 EP 09741644 A EP09741644 A EP 09741644A EP 2280783 B1 EP2280783 B1 EP 2280783B1
Authority
EP
European Patent Office
Prior art keywords
shower head
hand
handle
valve
head according
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.)
Not-in-force
Application number
EP09741644.0A
Other languages
German (de)
French (fr)
Other versions
EP2280783A1 (en
Inventor
Benjamin Hodel
Paul Boesch
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.)
Weidplas GmbH
Original Assignee
Weidplas GmbH
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Filing date
Publication date
Application filed by Weidplas GmbH filed Critical Weidplas GmbH
Publication of EP2280783A1 publication Critical patent/EP2280783A1/en
Application granted granted Critical
Publication of EP2280783B1 publication Critical patent/EP2280783B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0404—Constructional or functional features of the spout
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1609—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a lift valve
    • B05B1/1618—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a lift valve where said valve is a double-seat lift valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • B05B1/1645—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408—Water installations especially for showers
    • E03C1/0409—Shower handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads

Definitions

  • the invention relates to a hand shower with a handle arranged on a shower head and a valve which is actuated by rotating the shower head, wherein the shower head has outlet openings through which water can escape with respect to the handle in a predetermined direction.
  • a hand shower of this type is in the art, for example by the EP-B-0 235 487 known.
  • the shower head can be operated with two different spray types.
  • the shower head is mounted on the handle and is pivoted to change the beam.
  • the shower jet is directed in a different direction.
  • the DE-A-2426469 discloses a shower head, which is rotatably mounted on a fixed connection box. When turning the shower head, the spray mode can be changed. A handle is not provided with this sanitary shower.
  • Kitchen showers are also known in which the jet type can be switched with an actuating device.
  • a central beam the Also known as a hard jet and a shower jet possible.
  • the changeover is usually carried out by pressing a button, a lever or a push button.
  • the actuating element is preferably arranged under a membrane.
  • a membrane has only a limited life. The membrane must therefore be replaced after a certain period of time.
  • the assembly and production of such a membrane is relatively expensive.
  • EP 0 021 860 discloses a shower head in which an outer part of the shower head is rotatable relative to an inner body and a handle such that the flow rate and the number of shared outlet openings are adjustable.
  • the invention has for its object to provide a hand shower of the type mentioned, which avoids the disadvantages mentioned and which is particularly suitable as a kitchen shower.
  • the object is achieved according to claim 1, characterized in that the shower head for actuating the valve is rotatable about an axis which is substantially parallel to the said predetermined direction of the beam.
  • the valve is preferably arranged in the shower head and designed as a changeover valve and / or shut-off valve. In the case of a diverter valve, a changeover between at least two spray modes is possible. It is also conceivable to switch between more than two types of jet.
  • the valve may be formed by a part of the head in particular of the valve housing and a part of the handle, in particular of the water guide tube be formed.
  • This valve is a diverter valve and / or shut-off valve. In the case of a diverter valve, a changeover between two and more than two jet types is also possible here.
  • the water in the shower head is deflected by a total of about 90 °.
  • a vertical downward beam is then possible by keeping the handle substantially horizontal. In this holding position, the jet can be changed without the direction of the beam changes.
  • the valve Upon actuation of the valve by means of a rotary movement can be dispensed with the hitherto conventional return spring, which allows a simpler and more cost-effective production.
  • the shower head preferably has a substantially cylindrical, conical or spherical outer surface and that the handle extends substantially at right angles or inclined to this lateral surface.
  • the flow direction in the handle is substantially perpendicular to the direction of control in the shower head or to the outlet direction of the water.
  • Such a hand shower is particularly suitable as a kitchen shower. It can be held so that the jet exits downwards. Even with a changeover between two spray modes, the outlet jet is then directed downwards.
  • the shower head has a first outer side with said outlet openings and a second outer side extending substantially parallel and at a distance from the first outer side.
  • the shower head can be made very compact and rotated to operate the valve.
  • For rotating the shower head is preferably taken on a circumferential surface.
  • the outflow direction of the water then runs substantially vertically to the two outer sides mentioned.
  • Preferably projecting cams, ribs or the like are mounted on the lateral surface, which allow an even safer and easier operation.
  • the shower head is limited to rotate about said axis.
  • the angle through which the showerhead can be rotated is preferably less than or equal to 90 °, and preferably less than or equal to 60 °. Such rotation can be done very easily and quickly even with one-handed operation.
  • said predetermined direction in which the water emerges is substantially perpendicular to the flow direction of the water in the handle or that the angle between the two directions at least 80 ° and in particular at least 75 °, more preferably at least 70 ° is. This allows a particularly convenient operation of the hand shower, especially as a kitchen shower.
  • the handle has a sleeve which is displaceably supported at a front end on the outside of the shower head.
  • This sleeve is preferably placed on a water guide tube, which has at an outer end a thread on which, for example, a flexible water supply hose can be attached.
  • the sleeve is in particular a decorative sleeve.
  • the support of the front end of the sleeve on the shower head results in a particularly stable construction. This is especially true if a sliding ring is arranged between said front end of the sleeve and the outside of the shower head. This seal allows sealing of the sleeve relative to the shower head and at the same time supports the shower head on this sleeve.
  • the handle has a water guide tube which has a mouth part at a front end, which engages in an opening of a housing of the shower head and is sealed from a valve housing.
  • Said opening is according to a development of the invention, a slot which extends substantially coaxially to said certain direction of the water outlet.
  • the mouth part is according to a development of the invention depending on the rotational position of the shower head optionally connected to at least one first or a second water channel of the shower head. These two water channels are preferably connected to different outlet openings, for example outlet nozzles. In principle, more than two positions are conceivable. In particular, a position can also be a closing position in which no water flows out of the shower head.
  • the valve of the shower head has a closure body which is adjustable between two positions and that the closure body has a control which is rotationally fixed with respect to the handle and is connected to a control curve of the shower head so that when turning of the shower head of the closure body is moved from one to the other position.
  • a valve housing is firmly connected to the handle, in particular the water guide tube.
  • the sealing of the water channel relative to the valve housing is comparatively simple and safe.
  • hand shower 1 has a shower head 2, which is arranged on a handle 3.
  • the handle 3 has a water guide tube 4 with a water channel 5. This extends substantially straight from a connecting piece 7 to a mouth 10.
  • the connecting piece 7 serves to connect the hand shower 1, for example, to a flexible conduit not shown here, on the Water channel 5 and finally the shower head 2 water can be supplied. Through the mouth 10, the water can flow into the shower head 2 and leave this through outlet openings 25 or 26 as a jet.
  • a sleeve 8 is placed, which is for example cylindrical and forms a decorative part.
  • a rubber elastic ring not shown here, is used, with which the sleeve 8 is sealed from the water supply pipe 4.
  • the shower head 2 consists essentially of a sleeve-shaped outer housing 13 and a valve housing 14 inserted into this.
  • an insert 15 is inserted from below, which can be designed as known per se. It forms nozzle-shaped outlet openings 25 and 26, which are arranged coaxially with respect to an axis A of the shower head 2.
  • the mouth 10 is formed by a mouth part 11, which engages through an opening 29 of the outer housing 13 radially into an opening 44 of the valve housing 14. In this opening 44 of the mouth part 11 is sealed with a sealing ring 12 relative to the valve housing 14.
  • a groove 17 is arranged, in which a wedge 16 engages and thus the water supply pipe 4 fixedly connected to the valve housing 14.
  • the wedge 16 is as shown inserted from below into the outer housing 13 and is located between this outer housing 13 and the insert 15.
  • the water guide tube 4 is thus firmly connected to the valve housing 14.
  • a slide ring 9 is arranged, on which the outer housing 13 is supported on the grip sleeve 8.
  • the slide ring 9 is also in the FIGS. 3 and 4 shown. It is comparatively narrow and on the outside substantially flush with an outside of the grip sleeve 8.
  • the sliding ring 9 is slidably on a lateral surface 28 of the outer housing 13 at.
  • This lateral surface 28 is preferably cylindrical, in particular circular cylindrical, but may also be conical. It extends from an end face 27 to an opening 45 into which the valve housing 14 and the insert 15 are inserted.
  • the lateral surface 28 is in particular coaxial with respect to the outlet direction of the water through the outlet openings 25 and 26.
  • the insert 15 may have a known perlator 43, which forms the outlet opening 26.
  • the direction in which the water exits the shower head 2 is substantially perpendicular to the flow direction of the water in the handle 3 perpendicular to the flow direction of the water in the handle 3 and to a longitudinal extent B of the handle 3. Der but corresponding angle can also be smaller and is preferably at least 80 °, in particular at least 75 ° and more preferably at least 70 °.
  • control cam 34 On the inside of the outer housing 13 two control cam 34 are formed opposite, as shown in the Figures 2 and 5 to 7 is shown. These two control cams 34 each engage radially in a recess 33 of a control element 30. In the middle of this control element 30, a closure body 18 is fixed, which forms a diverter valve with the valve housing 14. In the in FIG. 1 shown position of the closure body 18 is the closure body 18 with a sealing ring 20 at an upper valve seat 46 at. As a result, an opening to a passage 24 is closed by the closure body 18. A spring element 23 biases the closure body 18 against the valve seat. However, this spring element 23 is not mandatory. Open, however, is a second passage 22 which is connected to the outlet openings 26.
  • the outer housing 13 according to the FIG. 7 rotated in the direction of arrow 39 or in the direction of arrow 40.
  • the rotation takes place about an axis of rotation, which is simultaneously the longitudinal axis of a rod-shaped connecting part 31 and parallel to the directions of the outlet openings 25 and 26.
  • the two control cam 34 each act in a recess 33 on the control 30 and lifting or lowering this in the direction of the longitudinal axis of the connecting part 31, in an opening 41 with the control 30th connected is. Because the recesses 33 according to FIG.
  • FIG. 6 extend obliquely to the longitudinal direction of the connecting part 31, according to the control element 30 and thus the closure body 18 is displaced either in the direction of the arrow 37 or in the direction of the arrow 38.
  • the direction according to arrow 38 means that in FIG. 5 the closure body 18 is moved downward. In the other direction, the closure body 18 is again in the in FIG. 5 shown position.
  • FIG. 7 formed on the valve housing 14 upstanding ribs 32 on which the control element 30 is positioned.
  • the ribs 32 are formed so that the control element 30 for adjusting the closure body 18 in FIG. 2 move up and down, but can not rotate. When switching the valve thus only the outer housing 13 is rotated.
  • FIG. 7 formed on the valve housing 14 upstanding ribs 32 on which the control element 30 is positioned.
  • the opening 29 in the outer housing 13 is designed as a slot which extends limitedly around the circumference of the outer housing 13. This opening 29 limits the rotatability of the outer housing 13.
  • a rotation is preferably provided by less than or equal to 90 °, preferably less than 60 °.
  • FIGS. 8 to 12 show a hand shower 50, which also has a handle 52 and arranged on this shower head 53.
  • the longitudinal extent B 'of the handle 52 is in this case, however, not perpendicular to the outflow direction or the axis A, but extends to this at an angle equal to or less than 90 °, preferably at least 80 °, preferably at least 75 ° and more preferably at least 70 °.
  • the handle 52 has, as in the embodiment mentioned above, a water guide tube 51, on which a grip sleeve 83 is pushed. With a sliding ring 54, the grip sleeve 83 is supported on a lateral surface 55 of an outer housing 61 of the shower head 53.
  • the water guide tube 51 has an orifice 58 in a mouth portion 59 which is integrally formed at the front end of the water guide tube 51 and which engages through an opening 57 of the outer sleeve 61 and an opening 70 of a valve housing 62.
  • the opening 57 is a slot extending in the circumferential direction of the lateral surface 55.
  • the opening 70 is also in Essentially a slot, like the FIG. 10 shows. Approximately in the middle, the opening 70 has a latching tongue 71.
  • the outer housing 61 is rotated together with the valve housing 62.
  • the outer housing 61 is thus firmly connected to the valve housing 62.
  • the connection may be, for example, a latching connection, not shown here.
  • an insert 15 is also used, which may be formed as already mentioned as usual.
  • a sealing ring not shown here, is used, with which the insert 15 is sealed against the valve housing 62.
  • no closure body is provided, which is displaceable between two positions, as is the case with the hand shower 1.
  • a ring 66 which seals the insert 15 relative to the valve housing 62 and thus corresponds to the ring 21 with respect to this function.
  • the passage 69 ( Fig.
  • This water channel 67 is in turn connected to the outlet openings 25.
  • This outlet opening 25 are also arranged coaxially to the axis of rotation of the shower head 53. The outflow direction of the water through the outlet openings 25 is thus parallel to the axis of rotation of the shower head 53.
  • a sealing member 60 made of a rubber-elastic material.
  • the elongated oval sealing element 60 is according to the FIGS. 8 and 12 inserted into a corresponding recess 76 on the front side of the mouth part 59 and surrounded by a flange 81.
  • the sealing member 60 projects beyond the flange 81 with an in FIG. 12 shown sealing lip 82 which is integrally formed on a wall 80.
  • the sealing lip 82 is formed so that it connects in the two mentioned positions of the shower head 53, the mouth 58 tightly with the passage 72 and the passage 64.
  • the sealing element 60 has a circular passage 79.
  • the water flowing in the direction of the arrow 75 can thus only reach the passage 72, but not the passage 64.
  • the sealing member 60 seals the mouth portion 59 also with respect to a guide groove 78, in which the mouth portion 59 is guided.
  • the hand shower 50 has the particular advantage that it can be manufactured with comparatively few and robust individual parts. In particular, can be dispensed with a closure body here. Also conceivable is an embodiment in which the shower head 53 has more than two and in particular three positions or rotational positions.
  • One of these positions may be a closure position in which no water can flow into the shower head 53 through the mouth 58.
  • This position would thus be a shut-off position.
  • a shut-off position is also conceivable for the valve of the hand shower 1.
  • the handle 52 can also project perpendicularly from the lateral surface 55, as is the case with the hand shower 1.
  • the hand shower 50 is also preferably a kitchen shower. It also allows one One-hand operation. Thus, the hand shower 50 can be taken with one hand on the handle 52 and with two fingers of this hand, the shower head 53 can be rotated and thus the jet type can be changed.

Description

Die Erfindung betrifft eine Handbrause mit einem an einem Handgriff angeordneten Brausekopf und einem Ventil, das durch Drehen des Brausekopfs betätigbar ist, wobei der Brausekopf Austrittsöffnungen aufweist, durch welche Wasser bezüglich des Handgriffs in einer vorbestimmten Richtung austreten kann.The invention relates to a hand shower with a handle arranged on a shower head and a valve which is actuated by rotating the shower head, wherein the shower head has outlet openings through which water can escape with respect to the handle in a predetermined direction.

Eine Handbrause dieser Art ist im Stand der Technik beispielsweise durch die EP-B-0 235 487 bekannt geworden. Bei dieser kann der Brausekopf mit zwei unterschiedlichen Strahlarten betrieben werden. Der Brausekopf ist am Handgriff gelagert und wird zum Umstellen der Strahlart verschwenkt. Beim Schwenken des Brausekopfs wird der Brausestrahl jedoch in eine andere Richtung gelenkt. Insbesondere bei einer Küchenbrause wäre dies jedoch nicht akzeptabel. Dies gilt ebenfalls für die Handbrause nach der JP 2007 130614 , bei welcher eine Umstellung der Strahlart ebenfalls eine Richtungsänderung des Strahls zur Folge hat.A hand shower of this type is in the art, for example by the EP-B-0 235 487 known. In this, the shower head can be operated with two different spray types. The shower head is mounted on the handle and is pivoted to change the beam. When swiveling the shower head, however, the shower jet is directed in a different direction. However, this would not be acceptable, especially with a kitchen shower. This also applies to the hand shower after the JP 2007 130614 in which a change of the beam type also results in a change of direction of the beam.

Die DE-A-2426469 offenbart einen Brausekopf, der an einer fest montierten Anschlussbüchse drehbar gelagert ist. Beim Drehen des Brausekopfs kann die Strahlart umgestellt werden. Ein Handgriff ist bei dieser sanitären Brause nicht vorgesehen.The DE-A-2426469 discloses a shower head, which is rotatably mounted on a fixed connection box. When turning the shower head, the spray mode can be changed. A handle is not provided with this sanitary shower.

Bekannt sind auch Küchenbrausen, bei denen die Strahlart mit einer Betätigungsvorrichtung umgestellt werden kann. Insbesondere sind ein zentraler Strahl, der auch als Hartstrahl bezeichnet wird und ein Brausestrahl möglich. Die Umstellung erfolgt hier in der Regel durch Betätigen einer Taste, eines Hebels oder eines Druckknopfs. Aus hygienischen Gründen und um Verschmutzungen zu vermeiden, ist das Betätigungselement vorzugsweise unter einer Membran angeordnet. Eine solche Membran besitzt aber nur eine begrenzte Lebensdauer. Die Membran muss somit nach einer gewissen Zeitdauer ausgewechselt werden. Zudem ist die Montage und Herstellung einer solchen Membran vergleichsweise aufwendig.Kitchen showers are also known in which the jet type can be switched with an actuating device. In particular, a central beam, the Also known as a hard jet and a shower jet possible. The changeover is usually carried out by pressing a button, a lever or a push button. For hygienic reasons and to avoid contamination, the actuating element is preferably arranged under a membrane. However, such a membrane has only a limited life. The membrane must therefore be replaced after a certain period of time. In addition, the assembly and production of such a membrane is relatively expensive.

In der EP 0 021 860 ist eine Duschbrause offenbart, bei welcher ein äusseres Teil des Brausekopfs relativ zu einem inneren Grundkörper und einem Handgriff derart verdrehbar ist, dass die Durchflussmenge sowie die Anzahl freigegebener Austrittsöffnungen einstellbar sind.In the EP 0 021 860 discloses a shower head in which an outer part of the shower head is rotatable relative to an inner body and a handle such that the flow rate and the number of shared outlet openings are adjustable.

Der Erfindung liegt die Aufgabe zugrunde, eine Handbrause der genannten Art zu schaffen, welche die genannten Nachteile vermeidet und die sich insbesondere als Küchenbrause eignet.The invention has for its object to provide a hand shower of the type mentioned, which avoids the disadvantages mentioned and which is particularly suitable as a kitchen shower.

Die Aufgabe ist gemäss Anspruch 1 dadurch gelöst, dass der Brausekopf zum Betätigen des Ventils um eine Achse drehbar ist, die im Wesentlichen parallel zur genannten vorbestimmten Richtung des Strahls verläuft.The object is achieved according to claim 1, characterized in that the shower head for actuating the valve is rotatable about an axis which is substantially parallel to the said predetermined direction of the beam.

Bei der erfindungsgemässen Handbrause ist eine Betätigung des Ventils möglich, ohne dass sich hierbei die Richtung des ausströmenden Wassers bezüglich des Handgriffs ändert. Da der Brausekopf gedreht wird, ist keine Taste und auch keine Membran oder ein anderes Betätigungselement erforderlich. Damit sind weniger oder sogar keine Verschmutzungsstellen vorhanden. Die Handbrause kann mit einer Hand gehalten und auch mit dieser umgestellt werden. Es ist somit eine Einhandbetätigung möglich. Das Ventil ist vorzugsweise im Brausekopf angeordnet und als Umstellventil und/oder Abstellventil ausgebildet. Im Falle eines Umstellventils ist eine Umstellung zwischen wenigstens zwei Strahlarten möglich. Denkbar ist auch eine Umstellung zwischen mehr als zwei Strahlarten. Das Ventil kann durch einen Teil des Kopfes insbesondere des Ventilgehäuses und einem Teil des Handgriffs insbesondere des Wasserführungsrohrs gebildet sein. Dieses Ventil ist ein Umstellventil und/oder Absperrventil. Im Fall eines Umstellventils ist auch hierbei eine Umstellung zwischen zwei und mehr als zwei Strahlarten möglich.With the hand shower according to the invention, actuation of the valve is possible without the direction of the outflowing water with respect to the handle changing in this case. Since the shower head is rotated, no key and no membrane or other actuator is required. There are fewer or even no pollution points. The hand shower can be held with one hand and also be changed with this. It is thus possible a one-hand operation. The valve is preferably arranged in the shower head and designed as a changeover valve and / or shut-off valve. In the case of a diverter valve, a changeover between at least two spray modes is possible. It is also conceivable to switch between more than two types of jet. The valve may be formed by a part of the head in particular of the valve housing and a part of the handle, in particular of the water guide tube be formed. This valve is a diverter valve and / or shut-off valve. In the case of a diverter valve, a changeover between two and more than two jet types is also possible here.

Vorzugsweise wird das Wasser im Brausekopf insgesamt um etwa 90° umgelenkt. Ein vertikal nach unten gerichteter Strahl ist dann möglich, indem der Handgriff im Wesentlichen horizontal gehalten wird. In dieser Halteposition kann die Strahlart umgestellt werden, ohne dass sich die Richtung des Strahls ändert. Bei einer Betätigung des Ventils mittels einer Drehbewegung kann auf die bisher übliche Rückstellfeder verzichtet werden, was eine einfachere und kostengünstigere Herstellung ermöglicht.Preferably, the water in the shower head is deflected by a total of about 90 °. A vertical downward beam is then possible by keeping the handle substantially horizontal. In this holding position, the jet can be changed without the direction of the beam changes. Upon actuation of the valve by means of a rotary movement can be dispensed with the hitherto conventional return spring, which allows a simpler and more cost-effective production.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass der Brausekopf vorzugsweise eine im Wesentlichen zylindrische, konische oder kugelförmige Mantelfläche aufweist und dass sich der Handgriff im Wesentlichen rechtwinklig oder geneigt zu dieser Mantelfläche erstreckt. Es sind auch andere Kopfformen denkbar die für ein Drehen des Brausekopfes relativ zum Handgriff geneigt sind. Bei dieser Handbrause ist die Strömungsrichtung im Handgriff im Wesentlichen senkrecht zur Steuerungsrichtung im Brausekopf bzw. zur Austrittsrichtung des Wassers. Eine solche Handbrause eignet sich insbesondere als Küchenbrause. Sie kann so gehalten werden, dass der Strahl nach unten austritt. Auch bei einer Umstellung zwischen zwei Strahlarten ist dann der Austrittstrahl nach unten gerichtet.According to a development of the invention it is provided that the shower head preferably has a substantially cylindrical, conical or spherical outer surface and that the handle extends substantially at right angles or inclined to this lateral surface. There are also other head shapes conceivable that are inclined for rotating the shower head relative to the handle. In this hand shower, the flow direction in the handle is substantially perpendicular to the direction of control in the shower head or to the outlet direction of the water. Such a hand shower is particularly suitable as a kitchen shower. It can be held so that the jet exits downwards. Even with a changeover between two spray modes, the outlet jet is then directed downwards.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass der Brausekopf eine erste Aussenseite mit den genannten Austrittsöffnungen und eine sich im Wesentlichen parallel und im Abstand zur ersten Aussenseite erstreckende zweite Aussenseite aufweist. Bei dieser Handbrause kann der Brausekopf besonders kompakt ausgebildet und zur Betätigung des Ventils gedreht werden. Zum Drehen wird der Brausekopf vorzugsweise an einer umlaufenden Mantelfläche gefasst. Die Ausströmrichtung des Wassers verläuft dann im Wesentlichen vertikal zu den beiden genannten Aussenseiten. Vorzugsweise sind an der Mantelfläche vorstehende Nocken, Rippen oder dergleichen angebracht, die eine noch sicherere und einfachere Betätigung ermöglichen.According to a development of the invention, it is provided that the shower head has a first outer side with said outlet openings and a second outer side extending substantially parallel and at a distance from the first outer side. In this hand shower, the shower head can be made very compact and rotated to operate the valve. For rotating the shower head is preferably taken on a circumferential surface. The outflow direction of the water then runs substantially vertically to the two outer sides mentioned. Preferably projecting cams, ribs or the like are mounted on the lateral surface, which allow an even safer and easier operation.

Zum Betätigen des Ventils ist gemäss einer Weiterbildung der Erfindung vorgesehen, dass der Brausekopf begrenzt um die genannte Achse drehbar ist. Der Winkel, um den der Brausekopf gedreht werden kann, ist vorzugsweise kleiner gleich 90° und vorzugsweise kleiner gleich 60°. Eine solche Drehung kann auch bei einer Einhandbedienung sehr einfach und schnell erfolgen.For actuating the valve is provided according to a development of the invention that the shower head is limited to rotate about said axis. The angle through which the showerhead can be rotated is preferably less than or equal to 90 °, and preferably less than or equal to 60 °. Such rotation can be done very easily and quickly even with one-handed operation.

Ist der gesamte Brausekopf drehbar, so ist ein Ventil möglich, das einen beweglichen Verschlusskörper und auch kein Federelement benötigt. Zudem können die entsprechenden mit dem Verschlusskörper zusammenwirkende Dichtungsmittel weggelassen werden. Nach einer Weiterbildung der Erfindung ist vorgesehen, dass die genannte vorbestimmte Richtung, in welcher das Wasser austritt im Wesentlichen senkrecht ist zur Strömungsrichtung des Wassers im Handgriff oder dass der Winkel zwischen den beiden Richtungen wenigstens 80° und insbesondere wenigstens 75° noch bevorzugter wenigstens 70° beträgt. Dies ermögliche eine besonders günstige Bedienung der Handbrause, insbesondere als Küchenbrause.If the entire shower head is rotatable, then a valve is possible which requires a movable closure body and also no spring element. In addition, the corresponding cooperating with the closure body sealing means can be omitted. According to a development of the invention it is provided that said predetermined direction in which the water emerges is substantially perpendicular to the flow direction of the water in the handle or that the angle between the two directions at least 80 ° and in particular at least 75 °, more preferably at least 70 ° is. This allows a particularly convenient operation of the hand shower, especially as a kitchen shower.

Bei der erfindungsgemäßen Handbrause ist vorgesehen, dass der Handgriff eine Hülse aufweist, die an einem vorderen Ende verschieblich an der Aussenseite des Brausekopfs abgestützt ist. Diese Hülse ist vorzugsweise auf ein Wasserführungsrohr aufgesetzt, das an einem äusseren Ende ein Gewinde aufweist, an dem beispielsweise ein flexibler Wasserführungsschlauch befestigt werden kann. Die Hülse ist insbesondere eine Dekorationshülse. Durch die Abstützung des vorderen Endes der Hülse am Brausekopf ergibt sich eine besonders stabile Konstruktion. Dies insbesondere dann, wenn zwischen dem genannten vorderen Ende der Hülse und der Aussenseite des Brausekopfs ein Gleitring angeordnet ist. Dieser Gleitring ermöglicht eine Abdichtung der Hülse gegenüber dem Brausekopf und stützt gleichzeitig den Brausekopf an dieser Hülse ab.In the hand shower according to the invention it is provided that the handle has a sleeve which is displaceably supported at a front end on the outside of the shower head. This sleeve is preferably placed on a water guide tube, which has at an outer end a thread on which, for example, a flexible water supply hose can be attached. The sleeve is in particular a decorative sleeve. The support of the front end of the sleeve on the shower head results in a particularly stable construction. This is especially true if a sliding ring is arranged between said front end of the sleeve and the outside of the shower head. This seal allows sealing of the sleeve relative to the shower head and at the same time supports the shower head on this sleeve.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass der Handgriff ein Wasserführungsrohr aufweist, das an einem vorderen Ende einen Mündungsteil besitzt, der in eine Öffnung eines Gehäuses des Brausekopfs eingreift und gegenüber einem Ventilgehäuse abgedichtet ist. Dies ermöglicht eine besonders einfache und dennoch sichere Befestigung des Brausekopfs am Handgriff. Die genannte Öffnung ist gemäss einer Weiterbildung der Erfindung ein Langloch, das sich im Wesentlichen koaxial um die genannte bestimmte Richtung des Wasseraustritts erstreckt. Der Mündungsteil ist gemäss einer Weiterbildung der Erfindung je nach Drehposition des Brausekopfs wahlweise mit wenigstens einem ersten oder einem zweiten Wasserkanal des Brausekopfs verbunden. Diese beiden Wasserkanäle sind vorzugsweise mit unterschiedlichen Austrittsöffnungen, beispielsweise Austrittsdüsen verbunden. Grundsätzlich sind auch mehr als zwei Positionen denkbar. Insbesondere kann eine Position auch eine Schliessposition sein, bei welcher kein Wasser aus dem Brausekopf ausströmt.According to a development of the invention, it is provided that the handle has a water guide tube which has a mouth part at a front end, which engages in an opening of a housing of the shower head and is sealed from a valve housing. This allows a particularly simple and yet secure attachment of the shower head on the handle. Said opening is according to a development of the invention, a slot which extends substantially coaxially to said certain direction of the water outlet. The mouth part is according to a development of the invention depending on the rotational position of the shower head optionally connected to at least one first or a second water channel of the shower head. These two water channels are preferably connected to different outlet openings, for example outlet nozzles. In principle, more than two positions are conceivable. In particular, a position can also be a closing position in which no water flows out of the shower head.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass das Ventil des Brausekopfs einen Verschlusskörper aufweist, der zwischen zwei Positionen verstellbar ist und dass der Verschlusskörper ein Steuerelement aufweist, das bezüglich des Handgriffs drehfest ist und mit einer Steuerkurve des Brausekopfs so verbunden ist, dass beim Drehen des Brausekopfs der Verschlusskörper von der einen in die andere Position bewegt wird. Dies ermöglicht einen vergleichsweise einfachen konstruktiven Aufbau und eine sichere Umstellung des Verschlusskörpers.According to a development of the invention it is provided that the valve of the shower head has a closure body which is adjustable between two positions and that the closure body has a control which is rotationally fixed with respect to the handle and is connected to a control curve of the shower head so that when turning of the shower head of the closure body is moved from one to the other position. This allows a comparatively simple structural design and a safe conversion of the closure body.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass zum Betätigen des Ventils lediglich ein Aussengehäuse des Brausekopfs begrenzt gedreht wird. Vorzugsweise ist hierbei ein Ventilgehäuse fest mit dem Handgriff insbesondere dem Wasserführungsrohr verbunden. Die Abdichtung des Wasserkanals gegenüber dem Ventilgehäuse ist hierbei vergleichsweise einfach und sicher.According to a development of the invention it is provided that for actuating the valve, only an outer housing of the shower head is rotated limited. Preferably, in this case a valve housing is firmly connected to the handle, in particular the water guide tube. The sealing of the water channel relative to the valve housing is comparatively simple and safe.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features emerge from the dependent claims, the following description and the drawings.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Figur 1
ein Längsschnitt durch eine erfindungsgemässe Handbrause,
Figur 2
ein Schnitt durch die Handbrause entlang der Linie II-II der Figur 1,
Figur 3
eine Ansicht der erfindungsgemässen Handbrause,
Figur 4
eine weitere Ansicht der erfindungsgemässen Handbrause,
Figur 5
ein Schnitt durch einen Teil des Brausekopfs,
Figur 6
ein Schnitt entlang der Linie VI-VI der Figur 5,
Figur 7
ein schematischer Schnitt durch die Handbrause, wobei Teile aus zeichnerischen Gründen weggelassen sind und zudem das Steuerelement aus zeichnerischen Gründen gegenüber der in Figur 2 gezeigten Stellung um 90° gedreht ist,
Figur 8
ein Schnitt durch eine erfindungsgemässe Handbrause nach einer Variante,
Figur 9
ein Schnitt entlang der Linie IX-IX der Figur 8,
Figur 10
eine teilweise geschnittene Ansicht des Brausekopfs der Handbrause gemäss Figur 8,
Figur 11
ein horizontaler Schnitt durch den Brausekopf gemäss Figur 10, wobei Teile weggeschnitten sind und
Figur 12
eine Ansicht einer Dichtungsmembran.
Embodiments of the invention will be explained in more detail with reference to the drawing. Show it:
FIG. 1
a longitudinal section through an inventive hand shower,
FIG. 2
a section through the hand shower along the line II-II of FIG. 1 .
FIG. 3
a view of the inventive hand shower,
FIG. 4
another view of the inventive hand shower,
FIG. 5
a section through a part of the shower head,
FIG. 6
a section along the line VI-VI of FIG. 5 .
FIG. 7
a schematic section through the hand shower, with parts omitted for illustrative reasons and also the control of drawing reasons compared to in FIG. 2 shown rotated position by 90 °,
FIG. 8
a section through an inventive hand shower according to a variant,
FIG. 9
a section along the line IX-IX of FIG. 8 .
FIG. 10
a partially sectioned view of the shower head according to the shower head FIG. 8 .
FIG. 11
a horizontal section through the shower head according FIG. 10 , where parts are cut away and
FIG. 12
a view of a sealing membrane.

Die in Figur 1 gezeigte Handbrause 1 besitzt einen Brausekopf 2, der an einem Handgriff 3 angeordnet ist. Der Handgriff 3 besitzt ein Wasserführungsrohr 4 mit einem Wasserkanal 5. Dieser erstreckt sich im Wesentlichen geradlinig von einem Anschlussstutzen 7 bis zu einer Mündung 10. Der Anschlussstutzen 7 dient zum Anschluss der Handbrause 1, beispielsweise an ein flexibles hier nicht gezeigtes Leitungsrohr, über das dem Wasserkanal 5 und schliesslich dem Brausekopf 2 Wasser zuführbar ist. Durch die Mündung 10 kann das Wasser in den Brausekopf 2 strömen und dieses durch Austrittsöffnungen 25 oder 26 als Strahl verlassen.In the FIG. 1 shown hand shower 1 has a shower head 2, which is arranged on a handle 3. The handle 3 has a water guide tube 4 with a water channel 5. This extends substantially straight from a connecting piece 7 to a mouth 10. The connecting piece 7 serves to connect the hand shower 1, for example, to a flexible conduit not shown here, on the Water channel 5 and finally the shower head 2 water can be supplied. Through the mouth 10, the water can flow into the shower head 2 and leave this through outlet openings 25 or 26 as a jet.

Auf das Wasserführungsrohr 4 ist eine Hülse 8 aufgesetzt, die beispielsweise zylindrisch ausgebildet ist und ein Dekorationsteil bildet. In eine Nut 6 des Wasserführungsrohrs 4 ist ein hier nicht gezeigter gummielastischer Ring eingesetzt, mit dem die Hülse 8 gegenber dem Wasserführungsrohr 4 abgedichtet ist. Der Brausekopf 2 besteht im Wesentlichen aus einem hülsenförmigen Aussengehäuse 13 und einem in dieses eingesetzte Ventilgehäuse 14. In das Ventilgehäuse 14 ist von unten ein Einsatz 15 eingesetzt, der wie an sich bekannt ausgebildet sein kann. Er bildet düsenförmige Austrittsöffnungen 25 und 26, die bezüglich einer Achse A des Brausekopfs 2 koaxial angeordnet sind.On the water guide tube 4, a sleeve 8 is placed, which is for example cylindrical and forms a decorative part. In a groove 6 of the water guide tube 4, a rubber elastic ring, not shown here, is used, with which the sleeve 8 is sealed from the water supply pipe 4. The shower head 2 consists essentially of a sleeve-shaped outer housing 13 and a valve housing 14 inserted into this. In the valve housing 14, an insert 15 is inserted from below, which can be designed as known per se. It forms nozzle-shaped outlet openings 25 and 26, which are arranged coaxially with respect to an axis A of the shower head 2.

Die Mündung 10 wird durch einen Mündungsteil 11 gebildet, der durch eine Öffnung 29 des Aussengehäuses 13 hindurch radial in eine Öffnung 44 des Ventilgehäuses 14 eingreift. In dieser Öffnung 44 ist der Mündungsteil 11 mit einem Dichtungsring 12 gegenüber dem Ventilgehäuse 14 abgedichtet. An der Aussenseite des Mündungsteils 11 ist eine Nut 17 angeordnet, in welche ein Keil 16 eingreift und damit das Wasserführungsrohr 4 fest mit dem Ventilgehäuse 14 verbindet. Der Keil 16 ist wie ersichtlich von unten in das Aussengehäuse 13 eingesetzt und befindet sich zwischen diesem Aussengehäuse 13 und dem Einsatz 15. Das Wasserführungsrohr 4 ist somit fest mit dem Ventilgehäuse 14 verbunden. An einem vorderen Ende der Griffhülse 8 ist ein Gleitring 9 angeordnet, an welchem das Aussengehäuse 13 an der Griffhülse 8 abgestützt ist. Der Gleitring 9 ist auch in den Figuren 3 und 4 gezeigt. Er ist vergleichsweise schmal und aussenseitig im Wesentlichen bündig zu einer Aussenseite der Griffhülse 8.The mouth 10 is formed by a mouth part 11, which engages through an opening 29 of the outer housing 13 radially into an opening 44 of the valve housing 14. In this opening 44 of the mouth part 11 is sealed with a sealing ring 12 relative to the valve housing 14. On the outside of the mouth part 11, a groove 17 is arranged, in which a wedge 16 engages and thus the water supply pipe 4 fixedly connected to the valve housing 14. The wedge 16 is as shown inserted from below into the outer housing 13 and is located between this outer housing 13 and the insert 15. The water guide tube 4 is thus firmly connected to the valve housing 14. At a front end of the grip sleeve 8, a slide ring 9 is arranged, on which the outer housing 13 is supported on the grip sleeve 8. The slide ring 9 is also in the FIGS. 3 and 4 shown. It is comparatively narrow and on the outside substantially flush with an outside of the grip sleeve 8.

Der Gleitring 9 liegt gleitbar an einer Mantelfläche 28 des Aussengehäuses 13 an. Diese Mantelfläche 28 ist vorzugsweise zylindrisch, insbesondere kreiszylindrisch, kann aber auch konisch sein. Sie erstreckt sich von einer Stirnfläche 27 bis zu einer Öffnung 45, in welche das Ventilgehäuse 14 und der Einsatz 15 eingesetzt sind. Die Mantelfläche 28 ist insbesondere koaxial bezüglich der Austrittsrichtung des Wassers durch die Austrittsöffnungen 25 und 26. Der Einsatz 15 kann einen an sich bekannten so genannten Perlator 43 aufweisen, welcher die Austrittsöffnung 26 bildet. Die Richtung, in welcher das Wasser aus dem Brausekopf 2 austritt ist im Wesentlichen senkrecht zur Strömungsrichtung des Wassers im Handgriff 3 senkrecht zur Strömungsrichtung des Wassers im Handgriff 3 bzw. zu einer Längserstreckung B des Handgriffs 3. Der entsprechende Winkel kann aber auch kleiner sein und beträgt vorzugsweise wenigstens 80°, insbesondere wenigstens 75° und noch bevorzugter wenigstens 70°.The sliding ring 9 is slidably on a lateral surface 28 of the outer housing 13 at. This lateral surface 28 is preferably cylindrical, in particular circular cylindrical, but may also be conical. It extends from an end face 27 to an opening 45 into which the valve housing 14 and the insert 15 are inserted. The lateral surface 28 is in particular coaxial with respect to the outlet direction of the water through the outlet openings 25 and 26. The insert 15 may have a known perlator 43, which forms the outlet opening 26. The direction in which the water exits the shower head 2 is substantially perpendicular to the flow direction of the water in the handle 3 perpendicular to the flow direction of the water in the handle 3 and to a longitudinal extent B of the handle 3. Der but corresponding angle can also be smaller and is preferably at least 80 °, in particular at least 75 ° and more preferably at least 70 °.

An der Innenseite des Aussengehäuses 13 sind gegenüberliegend zwei Steuernocken 34 angeformt, wie dies in den Figuren 2 und 5 bis 7 gezeigt ist. Diese beiden Steuernocken 34 greifen jeweils radial in eine Ausnehmung 33 eines Steuerelementes 30 ein. Mittig ist in diesem Steuerelement 30 ein Verschlusskörper 18 befestigt, der mit dem Ventilgehäuse 14 ein Umstellventil bildet. In der in Figur 1 gezeigten Stellung des Verschlusskörpers 18 liegt der Verschlusskörper 18 mit einem Dichtungsring 20 an einem oberen Ventilsitz 46 an. Dadurch ist eine Öffnung zu einem Durchgang 24 durch den Verschlusskörper 18 verschlossen. Ein Federelement 23 spannt den Verschlusskörper 18 gegen den Ventilsitz. Dieses Federelement 23 ist jedoch nicht zwingend. Offen ist hingegen ein zweiter Durchgang 22, der mit den Austrittsöffnungen 26 verbunden ist. Durch den Wasserkanal 5 einfliessendes Wasser gelangt somit durch die Mündung 10 und die Durchgangsöffnung 19 über einen hier nicht gezeigten Kanal zum Durchgang 22 und schliesslich zur Austrittsöffnung 26. In der anderen hier nicht gezeigten Position liegt der Verschlusskörper 18 an einem gummielastischen Ring 21 des Einsatzes 15 an welcher einen unteren Ventilsitz 42 bildet. Der Durchgang 22 ist damit verschlossen. Hingegen ist nun die Durchgangsöffnung 19 mit dem Durchgang 24 verbunden, so dass Wasser von der Mündung 10 zu den Austrittsöffnungen 25 gelangen kann. Es sind somit zwei Strahlarten möglich, bei der ersten wird der Strahl durch die Austrittsöffnung 26 und bei der anderen Strahlart durch die Austrittsöffnungen 25 gebildet.On the inside of the outer housing 13 two control cam 34 are formed opposite, as shown in the Figures 2 and 5 to 7 is shown. These two control cams 34 each engage radially in a recess 33 of a control element 30. In the middle of this control element 30, a closure body 18 is fixed, which forms a diverter valve with the valve housing 14. In the in FIG. 1 shown position of the closure body 18 is the closure body 18 with a sealing ring 20 at an upper valve seat 46 at. As a result, an opening to a passage 24 is closed by the closure body 18. A spring element 23 biases the closure body 18 against the valve seat. However, this spring element 23 is not mandatory. Open, however, is a second passage 22 which is connected to the outlet openings 26. Through the water channel 5 incoming water thus passes through the mouth 10 and the through hole 19 via a channel not shown here to the passage 22 and finally to the outlet opening 26. In the other position not shown here, the closure body 18 is located on a rubber-elastic ring 21 of the insert 15th on which forms a lower valve seat 42. The passage 22 is closed with it. By contrast, the passage opening 19 is now connected to the passage 24 so that water can pass from the mouth 10 to the outlet openings 25. Thus, two types of jet are possible; in the first, the jet is formed through the outlet opening 26 and, in the case of the other jet, through the outlet openings 25.

Um den Verschlusskörper 18 von der einen in die andere Position umzustellen und damit die Strahlart zu verändern, wird das Aussengehäuse 13 gemäss der Figur 7 in Richtung des Pfeils 39 oder in Richtung des Pfeiles 40 gedreht. Die Drehung erfolgt um eine Drehachse, welche gleichzeitig die Längsachse eines stabförmigen Verbindungsteils 31 und die parallel zu den Richtungen der Austrittsöffnungen 25 und 26 ist. Wird das Aussengehäuse 13 gemäss Figur 7 in Richtung des Pfeils 39 oder in Richtung des Pfeils 40 gedreht, so wirken die beiden Steuernocken 34 jeweils in einer Ausnehmung 33 auf das Steuerelement 30 und Heben oder Senken dieses in Richtung der Längsachse des Verbindungsteils 31, das in einer Öffnung 41 mit dem Steuerelement 30 verbunden ist. Da die Ausnehmungen 33 gemäss Figur 6 schräg zur Längsrichtung des Verbindungsteils 31 verlaufen, wird entsprechend das Steuerelement 30 und damit der Verschlusskörper 18 entweder in Richtung des Pfeils 37 oder in Richtung des Pfeils 38 verschoben. Die Richtung gemäss Pfeil 38 bedeutet, dass in Figur 5 der Verschlusskörper 18 nach unten bewegt wird. In der anderen Richtung wird der Verschlusskörper 18 wieder in die in Figur 5 gezeigte Position gebracht. Damit das Steuerelement 30 beim Drehen des Aussengehäuses 13 mit diesem nicht mitdrehen kann, sind gemäss Figur 7 am Ventilgehäuse 14 nach oben ragende Rippen 32 angeformt, an denen das Steuerelement 30 positioniert ist. Die Rippen 32 sind so ausgebildet, dass das Steuerelement 30 sich zum Verstellen des Verschlusskörpers 18 in Figur 2 nach oben und nach unten verschieben, jedoch nicht drehen kann. Beim Umstellen des Ventils wird somit lediglich das Aussengehäuse 13 gedreht. In Figur 6 deuten Pfeile 35 und 36 Bewegungskomponenten der Nocken 34 an. Damit eine solche Drehung möglich ist, ist die Öffnung 29 im Aussengehäuse 13 als Langloch ausgebildet, das sich begrenzt um den Umfang des Aussengehäuses 13 erstreckt. Diese Öffnung 29 begrenzt die Drehbarkeit des Aussengehäuses 13. Eine Drehung ist vorzugsweise um weniger gleich 90°, vorzugsweise weniger gleich 60° vorgesehen.In order to change the closure body 18 from one to the other position and thus to change the jet type, the outer housing 13 according to the FIG. 7 rotated in the direction of arrow 39 or in the direction of arrow 40. The rotation takes place about an axis of rotation, which is simultaneously the longitudinal axis of a rod-shaped connecting part 31 and parallel to the directions of the outlet openings 25 and 26. If the outer housing 13 according FIG. 7 rotated in the direction of arrow 39 or in the direction of arrow 40, the two control cam 34 each act in a recess 33 on the control 30 and lifting or lowering this in the direction of the longitudinal axis of the connecting part 31, in an opening 41 with the control 30th connected is. Because the recesses 33 according to FIG. 6 extend obliquely to the longitudinal direction of the connecting part 31, according to the control element 30 and thus the closure body 18 is displaced either in the direction of the arrow 37 or in the direction of the arrow 38. The direction according to arrow 38 means that in FIG. 5 the closure body 18 is moved downward. In the other direction, the closure body 18 is again in the in FIG. 5 shown position. So that the control element 30 during rotation of the outer housing 13 can not rotate with this, are according to FIG. 7 formed on the valve housing 14 upstanding ribs 32 on which the control element 30 is positioned. The ribs 32 are formed so that the control element 30 for adjusting the closure body 18 in FIG. 2 move up and down, but can not rotate. When switching the valve thus only the outer housing 13 is rotated. In FIG. 6 arrows 35 and 36 indicate movement components of the cams 34. In order for such a rotation to be possible, the opening 29 in the outer housing 13 is designed as a slot which extends limitedly around the circumference of the outer housing 13. This opening 29 limits the rotatability of the outer housing 13. A rotation is preferably provided by less than or equal to 90 °, preferably less than 60 °.

Die Figuren 8 bis 12 zeigen eine Handbrause 50, die ebenfalls einen Handgriff 52 und einen an diesem angeordneten Brausekopf 53 aufweist. Die Längserstreckung B' des Handgriffs 52 ist in diesem Fall jedoch zur Ausströmrichtung bzw. zur Achse A nicht senkrecht, sondern verläuft zu dieser in einem Winkel kleiner gleich 90°, bevorzugt wenigstens 80° vorzugsweise wenigstens 75° und noch bevorzugter wenigstens 70°. Der Handgriff 52 besitzt wie beim oben erwähnten Ausführungsbeispiel ein Wasserführungsrohr 51, auf das eine Griffhülse 83 aufgeschoben ist. Mit einem Gleitring 54 ist die Griffhülse 83 an einer Mantelfläche 55 eines Aussengehäuses 61 des Brausekopfs 53 abgestützt. An dieser Griffhülse 83 kann die Handbrause 50 gehalten werden, wobei die Hand diese Griffhülse 83 umgreift. Das Wasserführungsrohr 51 besitzt eine Mündung 58 in einem Mündungsteil 59, der am vorderen Ende des Wasserführungsrohrs 51 angeformt ist und der eine Öffnung 57 der Aussenhülse 61 sowie eine Öffnung 70 eines Ventilgehäuses 62 durchgreift. Die Öffnung 57 ist ein Langloch, das sich in Umfangsrichtung der Mantelfläche 55 erstreckt. Die Öffnung 70 ist ebenfalls im Wesentlichen ein Langloch, wie die Figur 10 zeigt. Etwa mittig besitzt die Öffnung 70 eine Rastzunge 71.The FIGS. 8 to 12 show a hand shower 50, which also has a handle 52 and arranged on this shower head 53. The longitudinal extent B 'of the handle 52 is in this case, however, not perpendicular to the outflow direction or the axis A, but extends to this at an angle equal to or less than 90 °, preferably at least 80 °, preferably at least 75 ° and more preferably at least 70 °. The handle 52 has, as in the embodiment mentioned above, a water guide tube 51, on which a grip sleeve 83 is pushed. With a sliding ring 54, the grip sleeve 83 is supported on a lateral surface 55 of an outer housing 61 of the shower head 53. At this grip sleeve 83, the hand shower 50 can be held, the hand engages around this grip sleeve 83. The water guide tube 51 has an orifice 58 in a mouth portion 59 which is integrally formed at the front end of the water guide tube 51 and which engages through an opening 57 of the outer sleeve 61 and an opening 70 of a valve housing 62. The opening 57 is a slot extending in the circumferential direction of the lateral surface 55. The opening 70 is also in Essentially a slot, like the FIG. 10 shows. Approximately in the middle, the opening 70 has a latching tongue 71.

Beim Montieren wird der Mündungsteil 59 gemäss Figur 10 in Richtung des Pfeils 73 links der Rastzungen 71 durch die Öffnung 70 in das Ventilgehäuse 62 eingesetzt. Anschliessend wird das Aussengehäuse 61 zusammen mit dem Ventilgehäuse 62 in Richtung des Pfeils 74 gedreht, bis die Rastzunge 71 an einem hier nicht gezeigten Nocken des Mündungsteils 59 einrastet. Der Brausekopf 53 ist damit mit dem Handgriff 52 verbunden. Der Brausekopf 53 kann jedoch zum Umstellen der Strahlart in Umfangsrichtung der Mantelfläche 55 begrenzt gedreht werden. Die Rastzunge 71 bildet hierbei den einen Anschlag. Der Drehwinkel ist einerseits durch die Rastzungen 71 und andererseits durch die Öffnung 70 begrenzt. Der mögliche Drehwinkel beträgt vorzugsweise auch in diesem Fall weniger gleich 90° und vorzugsweise weniger gleich 60°.When mounting the mouth part 59 is according to FIG. 10 in the direction of arrow 73 left of the locking tabs 71 inserted through the opening 70 in the valve housing 62. Subsequently, the outer housing 61 is rotated together with the valve housing 62 in the direction of arrow 74 until the latching tongue 71 engages a not shown here cam of the mouth part 59. The shower head 53 is thus connected to the handle 52. However, the shower head 53 can be rotated to change the jet in the circumferential direction of the lateral surface 55 limited. The latching tongue 71 here forms the one stop. The angle of rotation is limited on the one hand by the locking tongues 71 and on the other hand by the opening 70. The possible angle of rotation is preferably less than or equal to 90 ° in this case, and preferably less than or equal to 60 °.

Bei der Handbrause 50 wird das Aussengehäuse 61 zusammen mit dem Ventilgehäuse 62 gedreht. Das Aussengehäuse 61 ist somit fest mit dem Ventilgehäuse 62 verbunden. Die Verbindung kann beispielsweise eine hier nicht gezeigte Rastverbindung sein. In das Ventilgehäuse 62 ist ebenfalls ein Einsatz 15 eingesetzt, der wie bereits erwähnt wie an sich üblich ausgebildet sein kann. In eine Nut 63 ist ein hier nicht gezeigter Dichtungsring eingesetzt, mit dem der Einsatz 15 gegenüber dem Ventilgehäuse 62 abgedichtet ist. In diesem Fall ist jedoch kein Verschlusskörper vorgesehen, der zwischen zwei Stellungen verschiebbar ist, wie dies bei der Handbrause 1 der Fall ist. Vorgesehen ist aber ebenfalls ein Ring 66, der den Einsatz 15 gegenüber dem Ventilgehäuse 62 abdichtet und damit bezüglich dieser Funktion dem Ring 21 entspricht. Der Durchgang 69 (Fig. 9) durch den Ring 66 bleibt in diesem Fall immer offen. Befindet sich der Brausekopf 53 in der in den Figuren 8 und 11 gezeigten Stellung, so ist die Mündung 58 mit einem Durchgang 72 verbunden, der in einen inneren Wasserkanal 68 mündet. Bei dieser Stellung des Brausekopfs 53 gelangt das Wasser somit durch die Austrittsöffnung 26 nach aussen. Zum Umstellen der Strahlart wird in Figur 11 der Brausekopf 53 bezüglich des Handgriffs 52 im Uhrzeigersinn gedreht. Der Durchgang 72 wird somit in Figur 11 von der Sechsuhrstellung etwa in die Halbsiebenuhrstellung verschwenkt. Die Mündung 58 fluchtet nun mit einem Durchgang 64, der gemäss Figur 8 mit einem äusseren Wasserkanal 67 verbunden ist und durch eine Wandung 65 des Ventilgehäuses 62 gebildet wird. Dieser Wasserkanal 67 ist wiederum mit den Austrittsöffnungen 25 verbunden. Diese Austrittsöffnung 25 sind ebenfalls koaxial zur Drehachse des Brausekopfs 53 angeordnet. Die Ausströmrichtung des Wassers durch die Austrittsöfffnungen 25 ist somit parallel zur Drehachse des Brausekopfs 53.In the hand shower 50, the outer housing 61 is rotated together with the valve housing 62. The outer housing 61 is thus firmly connected to the valve housing 62. The connection may be, for example, a latching connection, not shown here. In the valve housing 62, an insert 15 is also used, which may be formed as already mentioned as usual. In a groove 63, a sealing ring, not shown here, is used, with which the insert 15 is sealed against the valve housing 62. In this case, however, no closure body is provided, which is displaceable between two positions, as is the case with the hand shower 1. But is also provided a ring 66 which seals the insert 15 relative to the valve housing 62 and thus corresponds to the ring 21 with respect to this function. The passage 69 ( Fig. 9 ) through the ring 66 always remains open in this case. Is the shower head 53 in the in the FIGS. 8 and 11 shown position, the mouth 58 is connected to a passage 72 which opens into an inner water channel 68. In this position of the shower head 53, the water thus passes through the outlet opening 26 to the outside. To change the beam type is in FIG. 11 the showerhead 53 is rotated with respect to the handle 52 in a clockwise direction. The passage 72 is thus in FIG. 11 pivoted from the six o'clock position approximately in the half-time position. The mouth 58 is now aligned with a Passage 64, according to FIG. 8 is connected to an outer water channel 67 and is formed by a wall 65 of the valve housing 62. This water channel 67 is in turn connected to the outlet openings 25. This outlet opening 25 are also arranged coaxially to the axis of rotation of the shower head 53. The outflow direction of the water through the outlet openings 25 is thus parallel to the axis of rotation of the shower head 53.

Zur gleitbaren Abdichtung des Mündungsteils 59 gegenüber einer im Schnitt kreisförmigen Fläche 77 des Ventilgehäuses 62 ist frontseitig auf den Mündungsteil 59 ein Dichtungselement 60 aus einem gummielastischen Material aufgesetzt. Das längliche ovale Dichtungselement 60 ist gemäss den Figuren 8 und 12 in eine korrespondierende Ausnehmung 76 an der Frontseite des Mündungsteils 59 eingesetzt und von einem Flansch 81 umgeben. Das Dichtungselement 60 überragt den Flansch 81 mit einer in Figur 12 gezeigten Dichtungslippe 82, die an einer Wandung 80 angeformt ist. Die Dichtungslippe 82 ist so ausgebildet, dass sie in den beiden erwähnten Stellungen des Brausekopfs 53 die Mündung 58 dicht mit dem Durchgang 72 bzw. dem Durchgang 64 verbindet. Hierzu besitzt das Dichtungselement 60 einen kreisrunden Durchgang 79. Bei der in Figur 11 gezeigten Stellung kann das in der Richtung des Pfeils 75 einströmende Wasser somit lediglich in den Durchgang 72, jedoch nicht in den Durchgang 64 gelangen. In der anderen Stellung gelangt entsprechend das Wasser von der Mündung 58 lediglich in den Durchgang 64. Das Dichtungselement 60 dichtet den Mündungsteil 59 auch bezüglich einer Führungsnut 78 ab, in welcher der Mündungsteil 59 geführt ist. Die Handbrause 50 hat den besonderen Vorteil, dass sie mit vergleichsweise wenigen und robusten Einzelteilen hergestellt werden kann. Insbesondere kann hier auf einen Verschlusskörper verzichtet werden. Denkbar ist auch eine Ausführung, bei welcher der Brausekopf 53 mehr als zwei und insbesondere drei Positionen bzw. Drehpositionen aufweist. Eine dieser Positionen kann eine Verschlussposition sein, in welcher durch die Mündung 58 kein Wasser in den Brausekopf 53 fliessen kann. Diese Position wäre somit eine Absperrposition. Grundsätzlich ist eine Absperrposition auch beim Ventil der Handbrause 1 denkbar. Bei der Handbrause 50 kann der Handgriff 52 ebenfalls senkrecht von der Mantelfläche 55 abstehen, wie dies bei der Handbrause 1 der Fall ist. Die Handbrause 50 ist ebenfalls vorzugsweise eine Küchenbrause. Sie ermöglicht ebenfalls eine Einhandbedienung. Mit einer Hand kann somit die Handbrause 50 am Handgriff 52 gefasst und mit zwei Fingern dieser Hand kann der Brausekopf 53 gedreht und damit die Strahlart umgestellt werden. Damit der Brausekopf 53 sicher gedreht werden kann, können an der Mantelfläche 55 hier nicht gezeigte vorstehende Nocken, Rippen oder dergleichen angebracht sein. Solche Mittel sind auch an einer Stirnfläche 56 des Aussengehäuses 61 denkbar. Bezugszeichenliste 1 Handbrause 29 Öffnung 2 Brausekopf 30 Steuerelement 3 Handgriff 31 Verbindungsteil 4 Wasserführungsrohr 32 Rippen 5 Wasserkanal 33 Ausnehmung 6 Dichtungsnut 34 Steuernocken 7 Anschlussstutzen 35 Pfeil 8 Griffhülse 36 Pfeil 9 Gleitring 37 Pfeil 10 Mündung 38 Pfeil 11 Mündungsteil 39 Pfeil 12 Dichtungsring 40 Pfeil 13 Aussengehäuse 41 Öffnung 14 Ventilgehäuse 42 Ventilsitz 15 Einsatz 43 Perlator 16 Keil 44 Öffnung 17 Nut 45 Öffnung 18 Verschlusskörper 46 Ventilsitz 19 Durchgangsöffnung 50 Handbrause 20 Dichtung 51 Wasserführungsrohr 21 Ring 52 Handgriff 22 Durchgang 53 Brausekopf 23 Feder 54 Gleitring 24 Durchgang 55 Mantelfläche 25 Austrittsöffnung 56 Stirnfläche 26 Austrittsöffnung (Perlatoröffnung) 57 Öffnung 27 Stirnfläche 58 Mündung 28 Mantelfläche 59 Mündungsteil 60 Dichtungselement 74 Pfeil 61 Aussengehäuse 75 Pfeil 62 Ventilgehäuse 76 Ausnehmung 63 Nut 77 Fläche 64 Durchgang 78 Führungsnut 65 Wandung 79 Durchgang 66 Ring 80 Wandung 67 äusserer Wasserkanal 81 Flansch 68 innerer Wasserkanal 82 Dichtungslippe 69 Durchgang 83 Griffhülse 70 Öffnung A Achse (Drehachse) 71 Rastzunge B, B' Längserstreckung 72 Durchgang 73 Pfeil For slidable sealing of the mouth part 59 with respect to a circular area 77 of the valve housing 62 is placed on the front part of the mouth portion 59, a sealing member 60 made of a rubber-elastic material. The elongated oval sealing element 60 is according to the FIGS. 8 and 12 inserted into a corresponding recess 76 on the front side of the mouth part 59 and surrounded by a flange 81. The sealing member 60 projects beyond the flange 81 with an in FIG. 12 shown sealing lip 82 which is integrally formed on a wall 80. The sealing lip 82 is formed so that it connects in the two mentioned positions of the shower head 53, the mouth 58 tightly with the passage 72 and the passage 64. For this purpose, the sealing element 60 has a circular passage 79. In the in FIG. 11 Thus, the water flowing in the direction of the arrow 75 can thus only reach the passage 72, but not the passage 64. In the other position, according to the water from the mouth 58 passes only into the passage 64. The sealing member 60 seals the mouth portion 59 also with respect to a guide groove 78, in which the mouth portion 59 is guided. The hand shower 50 has the particular advantage that it can be manufactured with comparatively few and robust individual parts. In particular, can be dispensed with a closure body here. Also conceivable is an embodiment in which the shower head 53 has more than two and in particular three positions or rotational positions. One of these positions may be a closure position in which no water can flow into the shower head 53 through the mouth 58. This position would thus be a shut-off position. In principle, a shut-off position is also conceivable for the valve of the hand shower 1. In the hand shower 50, the handle 52 can also project perpendicularly from the lateral surface 55, as is the case with the hand shower 1. The hand shower 50 is also preferably a kitchen shower. It also allows one One-hand operation. Thus, the hand shower 50 can be taken with one hand on the handle 52 and with two fingers of this hand, the shower head 53 can be rotated and thus the jet type can be changed. So that the shower head 53 can be securely rotated, 55 projecting cams, ribs or the like, not shown here can be attached to the lateral surface. Such means are also conceivable on an end face 56 of the outer housing 61. <B> LIST OF REFERENCES </ b> 1 Handheld shower 29 opening 2 shower head 30 control 3 handle 31 connecting part 4 Water guide tube 32 ribs 5 water channel 33 recess 6 seal groove 34 control cam 7 spigot 35 arrow 8th grip sleeve 36 arrow 9 sliding ring 37 arrow 10 muzzle 38 arrow 11 mouth part 39 arrow 12 sealing ring 40 arrow 13 outer casing 41 opening 14 valve housing 42 valve seat 15 commitment 43 aerator 16 wedge 44 opening 17 groove 45 opening 18 closure body 46 valve seat 19 Through opening 50 Handheld shower 20 poetry 51 Water guide tube 21 ring 52 handle 22 passage 53 shower head 23 feather 54 sliding ring 24 passage 55 lateral surface 25 outlet opening 56 face 26 Outlet opening (perforator opening) 57 opening 27 face 58 muzzle 28 lateral surface 59 mouth part 60 sealing element 74 arrow 61 outer casing 75 arrow 62 valve housing 76 recess 63 groove 77 area 64 passage 78 guide 65 wall 79 passage 66 ring 80 wall 67 outer water channel 81 flange 68 inner water channel 82 sealing lip 69 passage 83 grip sleeve 70 opening A Axis (rotation axis) 71 catch tongue B, B ' longitudinal extension 72 passage 73 arrow

Claims (14)

  1. A hand-held shower head having a shower head (2, 53) disposed on a handle (3, 52) and a valve, which can be actuated by rotating the shower head (2, 53), wherein the shower head (2, 53) comprises outlet openings (25, 26), through which water can exit in a defined direction with respect to the handle (3, 52), and the flow direction of the water in the handle (3, 52) is different from the flow direction in the outlet openings (25, 26), and wherein the shower head (2, 53) in order to actuate the valve is rotatable about an axis (A), which runs substantially parallel to the mentioned flow direction in the outlet openings (25, 26), characterized in that the handle (3, 52) comprises a handle sleeve (8, 83), which is displaceably supported at a front end on a lateral surface (28, 55) of the shower head (2, 53).
  2. The hand-held shower head according to claim 1, characterized in that the shower head (2, 53) comprises a lateral surface (28, 55) and that the handle (3, 52) extends substantially right-angled or inclined with respect to said lateral surface (28, 55).
  3. The hand-held shower head according to claim 1 or 2, characterized in that the shower head (2, 53) comprises a first outer side with the mentioned outlet openings (25, 26) and a second outer side (27, 56) running substantially parallel and at a distance to the first outer side.
  4. The hand-held shower head according to any one of claims 1 to 3, characterized in that at least an outer portion (13), in particular an outer housing (13) of the shower head (2, 53) or the whole shower head (53) is limitedly rotatable.
  5. The hand-held shower head according to claim 4, characterized in that the shower head (2, 53) is rotatable only at an angle less equal 90° and preferably less equal 60°.
  6. The hand-held shower head according to any one of claims 1 to 5, characterized in that the valve is a converter valve and/or a stopping valve.
  7. The hand-held shower head according to any one of claims 1 to 6, characterized in that the mentioned defined direction, in which the water exits with respect to the handle (3, 52), is substantially right-angled with respect to the flow direction of the water in the handle (3, 52).
  8. The hand-held shower head according to any one of claims 1 to 7, characterized in that a sliding ring (9, 54) is arranged between the mentioned front end of the handle sleeve (8, 83) and the lateral surface (28, 55) of the shower head (2, 53).
  9. The hand-held shower head according to any one of claims 1 to 8, characterized in that the handle (3, 52) comprises a water guiding tube (4, 51), which comprises a mouth portion (11, 59) at a front end that engages in an opening (44, 70) of a valve housing (14, 62) and is sealed against it.
  10. The hand-held shower head according to claim 9, characterized in that the opening (70) of the valve housing (62) is an elongated hole which extends along the circumferential direction of the lateral surface (28).
  11. The hand-held shower head according to claim 9 or 10, characterized in that the mouth portion (11, 59) comprises a mouth (10, 58), which, depending on the rotational position of the shower head (2, 53), is connected to at least one first or one second water channel (22, 24, 67, 68) of the shower head (2, 53).
  12. The hand-held shower head according to any one of claims 1 to 11, characterized in that the valve of the shower head (2) comprises a sealing body (18) which is adjustable between two positions, and that the sealing body (18) comprises a control element (30) which is directly or indirectly non-rotatably connected to the handle (3) and to a portion (34) of the shower head (2) such, that the sealing body (18) is moved from the one position into the other position when the shower head (2) is rotated.
  13. The hand-held shower head according to claim 12, characterized in that only an outer housing (13) is rotatable for changing over the valve and said outer housing (13) is mounted on a valve housing (14) being fixedly connected to the handle (3).
  14. The hand-held shower head according to any one of claims 1 to 13, characterized in that it is a kitchen spray.
EP09741644.0A 2008-05-09 2009-04-22 Hand-held shower head having a shower head disposed on a handle Not-in-force EP2280783B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7162008 2008-05-09
PCT/CH2009/000129 WO2009135326A1 (en) 2008-05-09 2009-04-22 Hand-held shower head having a shower head disposed on a handle

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EP2280783A1 EP2280783A1 (en) 2011-02-09
EP2280783B1 true EP2280783B1 (en) 2016-08-31

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EP09741644.0A Not-in-force EP2280783B1 (en) 2008-05-09 2009-04-22 Hand-held shower head having a shower head disposed on a handle

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WO (1) WO2009135326A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112871487A (en) * 2021-01-20 2021-06-01 厦门水魔师卫浴科技有限公司 Multifunctional water outlet switching device with mounting platform
CN113426054B (en) * 2021-06-22 2022-06-24 上海恺申消防设备安装有限公司 Spraying system for building fire fighting

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021860A1 (en) * 1979-06-07 1981-01-07 Etablissements R. CHAMPION Société: Adjustable shower head

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US5033897A (en) * 1990-01-19 1991-07-23 Chen I Cheng Hand held shower apparatus
US5090624A (en) * 1990-11-20 1992-02-25 Alsons Corporation Hand held shower adapted to provide pulsating or steady flow
US5690282A (en) * 1996-04-10 1997-11-25 Guo; Wen-Li Spray nozzle device
CA2253696A1 (en) * 1997-12-29 1999-06-29 Brass-Craft Manufacturing Company Pressure actuated shower head mechanism
GB2348615B (en) * 1999-04-08 2003-07-16 Alsons Corp Showerhead engine assembly
DE102007002894B3 (en) * 2007-01-15 2008-09-18 Kludi Gmbh & Co. Kg Handheld shower

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021860A1 (en) * 1979-06-07 1981-01-07 Etablissements R. CHAMPION Société: Adjustable shower head

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WO2009135326A1 (en) 2009-11-12

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