Baths – closets – sinks – and spittoons – Flush closet – Bowl
Patent
1997-12-15
1999-10-05
Eloshway, Charles R.
Baths, closets, sinks, and spittoons
Flush closet
Bowl
4312, 4233, E03D 1112
Patent
active
059604832
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a lavatory having a swivelling bowl, namely a lavatory according to the preamble of claim 1.
Lavatories of this type are erected in particular in highly frequented places, such as, for example, in restaurants, railway stations, hotels, business premises and the like, and generally have a housing consisting of plastic and a bowl preferably formed from ceramic material.
A principal problem in the maintenance of such lavatories is the satisfactory cleaning of the bowl and seat. Such lavatories are visited by the public only when they are hygienically cleaned in every respect.
DESCRIPTION OF THE PRIOR ART
International patent application WO 91/16510 discloses a lavatory having a dish-shaped bowl which is inserted in a housing forming a flushing tank and can be swivelled. The bowl is suspended in a frame opening of the housing and can be swivelled about 90.degree. from a position of use into a flushing position. The flushing tank formed by the housing has, in its wall opposite the frame opening, a plurality of spray nozzles which serve for cleaning the seat and bowl and are connected to a flushing water reservoir. In addition, the lavatory has an immovable trap which is arranged at the lower end of the flushing tank and is connected to a drainpipe.
A further lavatory of a similar type is disclosed in German Patent No. 4,132,265. This prior publication discloses a lavatory means which has a receiving opening facing the room and having a lavatory bowl rotatably suspended therein, and a drain arranged in the region of the floor. The bowl is provided, at the rear, with a spout which faces the drain in the position assumed when swivelled up. Furthermore, at least one closable spray nozzle which directs the water jet toward the swivelled-in bowl when the latter is swivelled up is arranged in the interior of the means.
During cleaning of the above-mentioned lavatory, the seat and the bowl are sprayed with water by means of the nozzles firmly anchored in the wall of the tank or by means of the nozzles fixed in the housing. This type of water transport has the disadvantage that, with the fixed spray nozzles, only sect ions of the seat surface or bowl wall are directly sprayed, namely those which are directly opposite the nozzle openings. The other surface or wall sections are sprayed--if at all--only by the water stream flowing toward the drain. It is obvious that thorough and complete cleaning, in particular elimination of dirt adhering to the wall of the bowl, is not possible by this method of water transport.
Moreover, with this method of water transport, it is likely that coarse particles and paper can be flushed out of the bowl and through the trap only with the use of a relatively large amount of water, resulting in particular in ecological disadvantages.
SUMMARY OF THE INVENTION
It is the object of the p resent invention to propose a lavatory which does not have the disadvantages of the above-mentioned lavatory, i.e. permits inter alia effective and complete cleaning of bowl and seat.
This object is achieved, according to the invention, by a lavatory having the features of patent claim 1.
Advantageous embodiments of the lavatory form the subject of the dependent claims.
In the lavatory according to the invention, cleaning is carried out exclusively with pressurized water. With the aid of pressurized water, impurities adhering to the seat and bowl can be removed without problems, and coarse particles and lavatory paper can be removed from the bowl.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is illustrated in more detail below with reference to the drawings. In the drawings,
FIG. 1 shows a schematic representation of a lavatory with the bowl swivelled out into the position of use,
FIG. 2 shows a schematic representation of the lavatory shown in FIG. 1, with the bowl swivelled into the flushing position,
FIG. 3 shows a view of the lavatory shown in FIG. 1,
FIG. 4 shows a view of the lavatory shown in FIG. 2,
FIG. 5 shows a schematic representation of a s
REFERENCES:
patent: 1097569 (1914-05-01), Sweeney
patent: 2879519 (1959-03-01), Mueller
patent: 3829906 (1974-08-01), McPhee
patent: 3919726 (1975-11-01), Godwin et al.
patent: 4183105 (1980-01-01), Womack
patent: 4944047 (1990-07-01), Gagliano
patent: 5454123 (1995-10-01), Barabino
patent: 5502845 (1996-04-01), Hayashi et al.
Delzer Siegfried
Kunz Hans Ulrich
Kuttenbaum Holger
Eloshway Charles R.
Keramik Laufen AG
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