EP0508807B1 - Verbesserungen von W.C.-Anlagen - Google Patents

Verbesserungen von W.C.-Anlagen Download PDF

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Publication number
EP0508807B1
EP0508807B1 EP92303216A EP92303216A EP0508807B1 EP 0508807 B1 EP0508807 B1 EP 0508807B1 EP 92303216 A EP92303216 A EP 92303216A EP 92303216 A EP92303216 A EP 92303216A EP 0508807 B1 EP0508807 B1 EP 0508807B1
Authority
EP
European Patent Office
Prior art keywords
cistern
bowl
pipe
connection
duct
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 - Lifetime
Application number
EP92303216A
Other languages
English (en)
French (fr)
Other versions
EP0508807A2 (de
EP0508807A3 (en
Inventor
William Thomas Heather Brae Mclaughlin
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.)
CARADON BATHROOMS Ltd
Original Assignee
CARADON BATHROOMS Ltd
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Filing date
Publication date
Application filed by CARADON BATHROOMS Ltd filed Critical CARADON BATHROOMS Ltd
Publication of EP0508807A2 publication Critical patent/EP0508807A2/de
Publication of EP0508807A3 publication Critical patent/EP0508807A3/en
Application granted granted Critical
Publication of EP0508807B1 publication Critical patent/EP0508807B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/24—Low-level flushing systems
    • E03D1/26—Bowl with flushing cistern mounted on the rearwardly extending end of the bowl

Definitions

  • This invention relates to improvements in or relating to water closets and is more particularly concerned with the relative location of a w.c. bowl and cistern of the water closet.
  • the cistern and bowl are mounted in a fixed relative relationship with one another with a connection being provided between the cistern and bowl for delivering water from the cistern to the bowl to thereby flush the bowl when required.
  • a connection being provided between the cistern and bowl for delivering water from the cistern to the bowl to thereby flush the bowl when required.
  • the bowl and/or cistern have to be replaced in practically identical relative alignment with one another at the same location.
  • a water delivery connecting pipe depends downwardly from the cistern and is bent at 90° to form a water inlet delivery pipe portion that extends through a suitably dimensioned aperture in the rear of the toilet bowl, said pipe portion being sealed thereto at the aperture.
  • the pipe can be cut to allow the initial position of the bowl to be selected to some extent relative to the cistern but no such facility would be available on replacement of the bowl and/or cistern without providing a replacement connecting pipe and in any event, difficulties may still arise in fitting replacement parts in practice.
  • Patent Specification No. GB-A-2152962 shows an arrangement in which a cistern can be close-coupled to a w.c. bowl without necessarily forming the bowl with an integral ceramic chamber receiving flushing water and above which the cistern is supported. Instead, Patent Specification No. GB-A-2152962 envisages the provision of a less-expensive separately formed mounting bracket component which is attachable to the rear of the bowl and on which the cistern may be supported.
  • this arrangement still tends to be disadvantageous in that the cistern has to be precisely relatively aligned with the bowl in one selected position and, as previously stated, this can lead to problems and at the very least to inconvenience. Additionally, there may be other disadvantages in this arrangement but it is not thought necessary to discuss other disadvantages here in detail.
  • apparatus comprising a w.c. bowl and cistern, the relative position of the cistern and bowl being adjustable to enable water to be delivered from the cistern into the bowl when the bowl is located in one of a plurality of selectable or adjustable positions relative to the cistern, and in which the cistern is flow connected to the bowl by means of a connection pipe or duct slidingly received in a seal mounted in an aperture in the w.c. bowl, the apparatus characterised in that the relative position of the cistern and w.c. bowl is selectively adjustable by the relative position of the connection pipe or duct being slidably adjustable in said seal.
  • the bowl will be connectable relative to the cistern so that the cistern is adjustable forward and/or rearwardly relative to the bowl.
  • the cistern and bowl are adjustable over a range of possible relative positions inbetween a most forward position and a most rearward position.
  • the cistern is flow connected to the bowl by means of a connection pipe or duct slidingly received in a seal mounted in an aperture in the w.c. bowl.
  • a connection pipe or duct slidingly received in a seal mounted in an aperture in the w.c. bowl.
  • the relative position of the bowl and cistern can be varied and during the variation of position the pipe connection moves further into or further out of the seal.
  • the exterior surface of the pipe connection or duct is sealingly engaged in watertight manner with the interior surface of the seal over a range of relative axially displaced positions of the seal and pipe connection/duct.
  • the w.c. bowl in order to support the cistern and in order to obscure the pipe connection/duct from view (at least from the front of the water closet) the w.c. bowl may include a rearward extension for supporting the cistern.
  • the extension may be formed with a slot to allow the pipe connection/duct from the cistern to pass downwardly therethrough.
  • the pipe connection/duct is angled, usually through 90° so that a generally horizontal pipe connection/duct extends into said seal mounted in said aperture which may be defined in a generally vertical wall portion at the rear of the w.c. bowl.
  • the cistern may be clamped relative to the bowl by clamping bracket means arranged to clamp onto the rearward extension, said extension forming a mounting platform for the cistern.
  • the rearward extension is, preferably, integrally moulded with the bowl and thus will usually be of ceramic material.
  • the slot in the rear extension is long enough to allow for adjustment of the pipe connection/duct in the seal over a range to suit.
  • the clamping bracket means comprises an upper clamping bracket portion and a lower clamping bracket portion, said upper clamping bracket being positively retained to the cistern and the lower clamping portion being clamped to the underside of the rearward extension and the upper clamping portion by fastening means, preferably in the form of a captivated threaded bolt and locking sleeve.
  • the upper clamping bracket portion may comprise a ring which is passed over a threaded pipe that depends downwardly from the cistern, said ring being locked to the cistern by means of a locking nut, said bolt being passed through receiving holes in the upper clamping portion and lower clamping portion, said lower clamping portion being clipped onto the pipe connection/duct underneath the rear extension.
  • Said pipe connection/duct may include a locking ring engaged on the pipe connection/duct and threadably engaged with the threaded pipe which downwardly depends from the cistern.
  • a rubber seal may be provided inbetween the downwardly depending pipe and the pipe connection/duct, said seal preferably being retained in a recess in the interior of the locking ring.
  • the seal is preferably in the form of a sealing sleeve having flange means that grips the material of the bowl that defines said aperture and said seal may be fitted with a water spreader device arranged inside the toilet bowl.
  • Said connection pipe/duct and/or said seal and/or said spreader device may all be of plastics.
  • adjustment of the cistern relative to the bowl may be undertaken simply by releasing the locking sleeve thereby allowing freedom of relative forward and rearward movement of the cistern and bowl to a new position at which the locking sleeve may be tightened.
  • embodiments of the present invention may offer a very simple cost-effective manner of flow-coupling a water closet cistern to a water closet bowl in an adjustable manner in which the relative position of the cistern and bowl can be adjusted easily.
  • use may be made of a generally standard manner of retaining a pipe connection to the underside of a cistern by means of a downwardly depending externally threaded pipe that receives a locking ring attached to a connecting pipe portion, the arrangement being modified by part of clamping bracket means being retained to the cistern by a nut on the downwardly depending threaded pipe and part of the clamping bracket means being urged to grip onto the w.c. bowl (more specifically onto the underside of a rear extension platform) and retained to said first bracket means portion by fastening means preferably in the form of a captivated bolt and locking sleeve.
  • embodiments of the present invention may offer a deceptively simple manner of flow-coupling the cistern to the w.c. bowl which, nevertheless, offers significant advantages and versatility in installation which may be particularly valuable in replacement of the w.c. bowl or cistern at a later date.
  • a w.c. bowl 1 (only the upper rear part of which is shown in FIGURES 1 and 2) consists of a moulded vitreous china water closet basin having a flat rearward extension portion 1a (see FIGURE 3).
  • the moulding of the bowl 1 is simplified in comparison with bowls normally utilised in close-coupled suites since it is not provided with the usual box-like extension housing a chamber which is in use positioned directly beneath the cistern for receiving water therefrom.
  • the production of such w.c. bowls tends to be expensive and the production costs of the design of w.c. bowl 1, as illustrated, are significantly lower even though the design includes the upper flat rear extension portion 1a, of bifurcated form.
  • the integrally moulded extension 1a forms a support platform for the cistern 2 (rather than suppport being provided by a separately formed bracket portion) such as for example illustrated in Patent Specification No. 2152962).
  • the intregrally moulded extension 1a forms a strong support for the cistern 2 in a manner to be described.
  • FIGURES 1 and 2 the relative position of the bowl 1 and cistern 2 can be varied to suit, the extremes of forward/rearward relative positioning of the cistern and bowl being depicted in FIGURES 1 and 2.
  • the cistern 2 and bowl 1 may be connected in any relative position that lies in between the positions shown in FIGURES 1 and 2, the arrangement thus offering a range of possible connecting positions of the cistern relative to the bowl.
  • FIGURES 1 and 2 show a rear circular aperture 1b into which seal in the form of a multi-flanged sealing sleeve 3 has been inserted.
  • the sleeve 3 is positively and permanently fixed in the aperture 1b and is not adjustable axially relative to the aperture 1b.
  • Three axially spaced flanges 3a,3b,3c sealingly grip the ceramic material defining the aperture 1b in a manner which should be evident from FIGURES 1 and 2, a further flange 3d of the sleeve 3 being of greater diameter than aperture 1b and limiting the depth of insertion of the sleeve 3 into the aperture 1b in the manner as shown in FIGURES 1 and 2.
  • Forward end 3e of the sleeve 3 has a widened diameter portion which receives a water spreader device 4 (shown in dashed lines) which may be generally of a known type and more particularly may be of the type shown in Patent Specification No. 2152962.
  • the rearward end of sleeve 3 slidingly receives horizontal pipe portion 5a of right-angled pipe connection 5 that, in use, delivers water from the cistern 2 to the w.c. bowl 1 via the spreader device 4.
  • the spreader device 4, sleeve 3 and pipe connection 5 are all of plastics and as shown in FIGURE 1, the horizontal pipe portion 5a extends only a short distance X into the sleeve 3 and yet a seal is effected inbetween the outer diameter of the pipe portion 5a and the inner diameter of the sleeve 3, merely by a friction push fit.
  • the inner wall of the sleeve 3 and/or outer wall of the horizontal pipe portion 5a could be recessed to locate an arrangement of rubber ring seals if required.
  • the engagement between the pipe connection 5a and the sleeve 3 in FIGURE 1 should provide a sufficient seal when delivering water from the cistern into the bowl 1. This position represents the extreme forward position of the bowl 1 relative to the cistern 2 in which a seal may still be effected between the pipe connection 5 and sleeve 3 whilst water is delivered from the cistern to the bowl.
  • the relative positioning of the bowl 1 and cistern 2 shown in FIGURE 1 may not be easy to duplicate when replacing the bowl and/or cistern for any reason or even on original installation. Therefore, the relative position of the bowl and cistern is adjustable in the direction of the arrows Y (forward to rearward positioning) and the horizontal pipe portion 5a may be introduced further into the sleeve 3 (thereby moving the cistern forward relative to the bowl) as far as the extreme position in FIGURE 2. Any intermediate position of the pipe portion 5a within the sleeve 3 is possible in order to correctly align the cistern 2 and bowl 1 appropriately (for example in order to fix the cistern closely to a rear wall whilst maintaining the same floor position for a differently sized bowl).
  • slot 1c is defined in the bifurcated extension portion 1a as will be apparent from FIGURE 3.
  • FIGURE 2 shows pipe connection 5 moved to the inner end of the slot 1c whilst FIGURE 1 shows the pipe portion 5a at an outer end of the slot 1c.
  • the slot 1c has an open end although it would be possible in an alternative embodiment to arrange for the slot to be closed if preferred.
  • An externally threaded cistern exit pipe 6 depends downwardly from the bottom of the cistern 2, said pipe 6 passing through the slot 1b and being sealingly retained to vertical portion 5b of pipe connection 5 by means of internally threaded, knurled locking ring 7 having a thread which co-operates with the external thread of pipe 6.
  • Annular rubber seal 8 is positioned in between the end of pipe 6 and pipe portion 5b and is seated in an internal recess in the locking ring 7 in a manner which should be evident from FIGURES 1 and 2 of the drawings.
  • clamping means 9 consists of a two-part clamping bracket 9a,9b, retaining bolt 9c, locking sleeve 9d and flanged lock nut 9e.
  • Lower clamping portion 9b has a "C" shaped gripping portion C which grips beneath the bifurcated limbs L1 and L2 of the extension portion 1a.
  • the threaded shank of bolt 9C passes through round aperture E in clamping portion 9b and the two clamping portions 9a and 9b are releasingly retained to one another via bolt 9c and locking sleeve 9d in a manner which should be clear from the drawings.
  • ring R of clamping portion 9a is locked inbetween the underside of the cistern 2 and flange f on locking nut 9e, and C shaped portion C of clamping portion 9b grips the underside of limbs L1 and L2 retaining the cistern in place.
  • the underside of the cistern is shaped or recessed at 2a in order to accommodate ring portion R and bolt 9c as shown.
  • the attachment of the cistern 2 relative to the bowl 1 can be achieved quickly and easily and a forward and rearward position of the bowl relative to the cistern can be adjusted automatically simply by loosening the locking sleeve 9d thereby allowing the limbs L1 and L2 to move relative to the clamping portion 9a and 9b.
  • the clamping portions 9a,9b can be tightened together once more by means of the locking sleeve 9d being tightened as appropriate.
  • connection parts being simply produced all from plastics and basically being of three part construction (i.e. spreader device 4, sleeve 3 and connecting part 5). It is advantageous that the position of the cistern 2 and bowl 1 can be adjusted by means of the single screw locking sleeve 9d.
  • said connection allowing the relative position of the cistern and w.c. bowl to be adjusted to one of a plurality of selectable or adjustable positions relative to the cistern, in which water can be delivered from the cistern into the bowl, said adjustable connection characterised by a connection pipe or duct slidingly received or receivable in a seal mountable in an aperture in the w.c. bowl.
  • said adjustable connection includes clamping bracket means arranged to clamp the cistern to the w.c. bowl.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Detergent Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Joints Allowing Movement (AREA)

Claims (14)

  1. Vorrichtung (1, 2) umfassend eine WC-Schüssel (1) und einen Spülkasten (2), wobei die relative Stellung des Spülkastens (2) und der Schüssel (1) einstellbar ist, um zu ermöglichen, Wasser aus dem Spülkasten (2) in die Schüssel (1) zu fördern, wenn die Schüssel (1) in einer von mehreren wählbaren oder einstellbaren Stellungen relativ zum Spülkasten (2) angeordnet ist, und bei welcher der Spülkasten (2) strömungsseitig mit Hilfe eines Verbindungsrohres oder einer Leitung (5) an die Schüssel (1) angeschlossen ist, welches bzw. welche verschiebbar in einer Dichtung (3) aufgenommen ist, die in einer Öffnung (1b) in der WC-Schüssel (1) vorgesehen ist, dadurch gekennzeichnet, daß die relative Stellung des Spülkastens (2) und der WC-Schüssel (1) selektiv durch die relative Stellung des Verbindungsrohres oder der Leitung (5) einstellbar ist, welches bzw. welche verschiebbar in der Dichtung (3) verstellbar ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Dichtung (3) mit einem Wasserverteiler (4) ausgerüstet ist.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Spülkasten (2) relativ zur Schüssel (1) durch eine Klemmhalterung (9) der Vorrichtung festgeklemmt werden kann, welche zum Festklemmen an einer rückseitigen Verlängerung (1a) der WC-Schüssel (1) vorgesehen ist, wobei die Verlängerung (la) eine Montageplattform für den Spülkasten bildet.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Schüssel (1) und der Spülkasten (2) aus der fest miteinander gekoppelten Ausführungart bestehen.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Schüssel (1) bezogen auf den Spülkasten (2) derart anschließbar ist, daß der Spülkasten (2) relativ zur Schüssel nach vorne und/oder nach hinten verstellbar ist.
  6. Vorrichtung (1, 2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Dichtung (3) in Form einer Dichtmanschette (3) mit Flanscheinrichtungen (3a, 3b, 3c) ausgebildet ist, die an dem die Öffnung (1b) festlegenden Material der Schüssel (1) angreifen.
  7. Vorrichtung (1, 2) nach Anspruch 3 oder einem von diesem Anspruch abhängigen Anspruch, dadurch gekennzeichnet, daß die Verlängerung (1a) mit einem Schlitz (lc) versehen ist, um ein Hindurchführen der Rohrverbindung/Leitung (5) von dem Spülkasten (2) nach unten zu ermöglichen.
  8. Vorrichtung (1, 2) nach Anspruch 7, sofern dieser von Anspruch 6 abhängig ist, dadurch gekennzeichnet, daß die Rohrverbindung/Leitung (5) derart abgewinkelt ist, daß ein im allgemeinen horizontaler Rohrabschnitt (5a) der Rohrverbindung/Leitung (5) sich in die in der Öffnung (1b) vorgesehene Dichtung (3) hinein erstreckt.
  9. Vorrichtung (1, 2) nach Anspruch 3 oder einem von diesem abhängigen Anspruch, dadurch gekennzeichnet, daß die Klemmhalterung (9) ein oberes Klemmhalterungsteil (9a) und ein unteres Klemmhalterungsteil (9b) aufweist, wobei das obere Klemmhalterungsteil (9a) fest an dem Spülkasten (2) gehalten und das untere Klemmteil (9b) an der Unterseite der rückseitigen Verlängerung (1a) und dem oberen Klemmteil (9a) durch Befestigungsmittel (9c, 9d) festgeklemmt ist.
  10. Vorrichtung (1, 2) nach Anspruch 9, dadurch gekennzeichnet, daß das obere Klemmhalterungsteil (9a) einen Ring (R) aufiveist, welcher über ein sich von dem Spülkasten (2) nach unten erstreckendes Gewinderohr (6) geschoben ist, wobei der Ring (R) mittels einer Verriegelungsmutter (9e) an dem Spülkasten verriegelt ist, eine Schraube (9c) durch Aufnahmebohrungen (S, E) in dem oberen Klemmteil (9a) und dem unteren Klemmteil (9b) hindurchgeführt ist, das untere Klemmteil (9b) auf die Rohrverbindung/Leitung (5) unterhalb der rückseitigen Verlängerung (1a) aufgesteckt ist.
  11. Vorrichtung (1, 2) nach Anspruch 10, dadurch gekennzeichnet, daß die Rohrverbindung/Leitung (5) einen Verschlußring (7) umfaßt, welcher an der Rohrverbindung/Leitung (5) angreift und mit dem Gewinderohr (6), welches sich von dem Spülkasten (2) nach unten erstreckt, in Gewindeeingriff steht.
  12. Vorrichtung (1, 2) nach Anspruch 11, dadurch gekennzeichnet, daß eine Gummidichtung (8) zwischen dem sich nach unten erstreckenden Rohr (6) und der Rohrverbindung/Leitung (5) vorgesehen ist.
  13. Einstellbare Verbindung zum Anschließen eines Spülkasten (2) an eine WC-Schüssel (1), so daß Wasser beim Gebrauch aus dem Spülkasten (2) in die Schüssel (1) fließen kann, wobei die Verbindung gestattet, die relative Stellung des Spülkasten (2) und der WC-Schüssel (1) auf eine von mehreren wählbaren oder einstellbaren Stellungen relativ zum Spülkasten (2) einzustellen, in denen Wasser aus dem Spülkasten (2) in die Schüssel (1) geleitet werden kann, gekennzeichnet durch ein Verbindungsrohr oder eine Leitung (5), welches bzw. welche verschiebbar in einer Dichtung (3) aufgenommen ist oder in einer solchen aufnehmbar ist, die in eine Öffnung (1b) in der WC-Schüssel eingesetzt ist.
  14. Verbindung nach Anspruch 13, gekennzeichnet durch eine Klemmhalterung (9), welche zum Festklemmen des Spülkastens (2) an der WC-Schüssel (1) vorgesehen ist.
EP92303216A 1991-04-12 1992-04-10 Verbesserungen von W.C.-Anlagen Expired - Lifetime EP0508807B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9107772 1991-04-12
GB9107772A GB2254627B (en) 1991-04-12 1991-04-12 Improvements in or relating to water closets

Publications (3)

Publication Number Publication Date
EP0508807A2 EP0508807A2 (de) 1992-10-14
EP0508807A3 EP0508807A3 (en) 1993-03-31
EP0508807B1 true EP0508807B1 (de) 1998-09-16

Family

ID=10693128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92303216A Expired - Lifetime EP0508807B1 (de) 1991-04-12 1992-04-10 Verbesserungen von W.C.-Anlagen

Country Status (4)

Country Link
EP (1) EP0508807B1 (de)
AT (1) ATE171236T1 (de)
DE (1) DE69226978D1 (de)
GB (1) GB2254627B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6802515B2 (ja) * 2016-06-07 2020-12-16 Toto株式会社 水洗大便器装置
JP6788214B2 (ja) * 2016-06-07 2020-11-25 Toto株式会社 水洗大便器装置
JP6735027B2 (ja) * 2016-06-07 2020-08-05 Toto株式会社 水洗大便器装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743460A (en) * 1953-08-03 1956-05-01 Leonard W Youngstrom Adjustable connector for tank and bowl of a close coupled water-closet combination
AU493141B2 (en) * 1976-02-09 1977-08-18 Reed Walker Pty. Limited An improved cistern assembly
GB2152962B (en) * 1983-11-17 1987-04-01 Twyfords Ltd W c close-coupled suite
AU573316B2 (en) * 1984-03-12 1988-06-02 Caroma Industries Limited Adjustable vitreous china cistern
CH662847A5 (de) * 1985-02-14 1987-10-30 Geberit Ag Spuelkasten.

Also Published As

Publication number Publication date
DE69226978D1 (de) 1998-10-22
GB2254627B (en) 1995-10-04
EP0508807A2 (de) 1992-10-14
GB9107772D0 (en) 1991-05-29
ATE171236T1 (de) 1998-10-15
EP0508807A3 (en) 1993-03-31
GB2254627A (en) 1992-10-14

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