Baths – closets – sinks – and spittoons – Tubs – Particular construction or configuration details
Reexamination Certificate
2000-10-13
2002-11-19
Maust, Timothy L. (Department: 3751)
Baths, closets, sinks, and spittoons
Tubs
Particular construction or configuration details
C004S584000
Reexamination Certificate
active
06481029
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a sanitary device comprising a bathtub arranged on feet; an encasing of the bathtub; a set of bathtub fittings for the water inlet, the water overflow and the water drain; a handheld shower head; and a mixing fitting. The mixing fitting has connections on the inlet side for cold and hot water. On the outlet side, the mixing fitting has connections connected with the water inlet of the bathtub fittings set and the hand-held shower head.
2. The Prior Art
In practice, the individual components of a sanitary device are mounted at the site of installation. Much expenditure in time and effort is required for the connections to the pipelines available on the side of the building for cold and hot water; the connection of the hand-held shower head; and the installation of the set of bathtub fittings for the water inlet, the water overflow and the water drain, with the associated pipeline system. Furthermore, the visible arrangement of the mixing fitting, for example on the ledge of the bathtub, is an unsatisfactory design.
It is known from DE-A 42 39 801 to accommodate the mechanical part of a manual lever mixer in an open-top housing that is inserted in the ledge of a tub. The arrangement is suitable for a sink for washing the hands, with a wide edge of the sink. The possibilities for arranging the mechanical part on a bathtub, however, are limited. In bathtubs, a projecting manual lever is sometimes considered annoying both aesthetically and functionally, particularly considering that with standard equipment of this type, the design of the hand lever is not adapted to the furnishings of the bathroom.
The invention addresses the problem of proposing a sanitary device that is mobile, assembled ready for connection and fully functioning, and whose mixing fitting is not visually apparent.
SUMMARY OF THE INVENTION
In accordance with the invention, this problem is solved for a sanitary device having the structure described above by arranging the mixing fitting within a space enclosed by the encasement of the tub and by providing the device with electrically actuated adjusting devices and an associated electronic control controlled by an input/output device arranged on the ledge of the tub.
The bathtub encasement is preferably structured from molded components made of a hard-adjusted integral foam material. For installation purposes, the unit can be removed at the site of installation from the wall of the bathroom, where it can be positioned in a suitable manner. The ledge of the tub rests on the board-like molded components. These components secure the tub against tilting movements when the ledge is loaded. The hard foam boards support a decorative covering such as, for example a foil coating. A substantial hollow space remains between the bathtub encasement and the bathtub. This hollow space can be used for installing the mixing fitting. Preferably the mixing fitting is accessible through a cutout in a side wall of the tub encasement that is situated adjacent to the wall of the room. Through this cutout can also be installed connection hoses connecting the connections available on the building side for hot and cold water with the respective connections on the mixing fitting. The mixing fitting, along with its adjusting devices and control electronics, is preferably accommodated in a connection box arranged near the floor, or on the back side of the tub.
The mixing fitting has at least one electrically actuated shutoff and control valve, and it is usefully equipped with a temperature controller as well. Furthermore, the mixing fitting may comprise devices for measuring the temperature and/or the volume of the flow-through.
The input/output device has sensors for inputting preset values for the water temperature and/or the tub filling quantity and/or the clock time needed for filling the tub, and it is preferably equipped with a device for displaying the adjusted values as well. It is understood that the sensors and other devices are protected against wetness, for example by means of a plastic sheet cover. According to a preferred embodiment of the invention, the adjusted values can be stored and called off by means of a memory key. This permits presetting adjustments that are person-specific. A receiver for wireless signal transmission may be associated with the electronic control as well.
In a further embodiment, the mixing fitting may include additional connections for pipelines that can be connected to other sanitary devices, for example to an adjacent shower, an adjacent sink for washing the hands and the like. To that extent the mixing fitting performs the function of a central fitting that can be controlled via one or several input/output devices. For controlling several input/output devices, the mixing fitting is usefully equipped with multi-way valves that can be actuated electronically, the valves being connected to the electronic control as well.
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Collard & Roe P.C.
Franz Kaldewei GmbH & Co.
Le Huyen
Maust Timothy L.
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