Baths – closets – sinks – and spittoons – Supply outlet combined with a drain – overflow or trap for a... – Supply outlet and drain
Reexamination Certificate
2000-08-28
2001-09-25
Fetsuga, Robert M. (Department: 3751)
Baths, closets, sinks, and spittoons
Supply outlet combined with a drain, overflow or trap for a...
Supply outlet and drain
C004S678000
Reexamination Certificate
active
06292958
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Technical Field of the Invention
The present invention relates to an inflow and drain fixture for bathtubs or shower tubs having a first housing section that can be fixed to the back of a sidewall of the tub by means of a fastening ring to be arranged on the inside of the tub, and a connection for a water line, also an overflow opening, and an inflow fixture to be arranged on the inside of the tub and connected to said first housing section, said inflow fixture encompassing a second housing section with a drain channel, a drain opening and a turning handle for operating the drain valve.
2. Prior Art
Inflow and drain fixtures of this type are generally known. They serve as an overflow on one hand, and as an inflow on the other hand. As a third function, this fixture may also serve to open and close a tub drain. With fixtures of this type it is essential that they can be cleaned easily, safely and quickly. This is particularly important since dirt and also lime can accumulate unnoticed behind the rosette. This dirt build-up must be removed regularly for hygienical reasons. Lime deposits may interfere with the operability of the fixture.
For the fixture according to EP 0 731 222 A it has been proposed, in order to simplify the cleaning, that a component that combines the entire effective water outlet area of the inflow fixture be designed pivotable and separable. This component is mounted on a stationary modular unit. To perform a thorough cleaning, this modular unit too needs to be removed and cleaned. Only after this modular unit has been removed, do the passages for the overflow and the inflow become accessible as well. With this fixture, the above-mentioned stationary modular unit itself can be removed. However, this is comparatively difficult and cleaning personnel can hardly be expected to do so.
OBJECT AND SUMMARY OF THE INVENTION
The present invention is based on the object of creating a fixture according to the preamble that is even easier to clean, and which can be cleaned more thoroughly and is nevertheless economical to produce and easy to install. The inventive fixture shall furthermore permit installation in a building shell.
This object is met with a fixture according to the preamble in such a way that the first housing section can be clamped to the sidewall with the fastening ring independently from the second housing section in such a way that the second housing section can be taken off for cleaning purposes without detaching the fastening ring. In the inventive fixture the first housing section is clamped to the sidewall of the tub with the fastening ring independently from the second housing section. The second housing section has no fastening function and can be taken off without detaching the fastening ring. When the second housing section is taken off, the first housing section thus remains clamped to the sidewall with the fastening ring. Since there is no need to detach the fastening ring, the second housing section, which encompasses the effective water drain area, can be very easily taken off for cleaning purposes. After removing the second housing section, the openings for the overflow and the inflow are furthermore freely accessible on the tub side and can be cleaned and, for example, also flushed out. After the cleaning, the second housing section and the turning handle are put back on. The fastening ring remains in place during the entire cleaning process and holds the first housing section.
A significant advantage of the inventive fixture is also seen in the fact that the first housing section can be attached with the fastening ring for assembly in the building shell. The second housing section with the rosette is then attached after completion of the building shell. This becomes particularly easy if, according to an improvement of the invention, the second housing section is slipped on, preferably snapped on, in a manner so that it can be detached.
The fastening ring is preferably arranged behind the second housing section. The ring is preferably designed in the form of a flange and has a central sleeve-shaped threaded part. With this threaded part, the fastening ring can be screwed onto a central cylindrical part of the first housing section. According to an improvement of the invention, the second housing section engages into the fastening ring with a cylindrical projection.
According to an improvement of the invention, the second housing section is fixed to a central fixture axis with a slip-on type connection. The second housing section thus forms a drain element, which can be removed very easily and without detaching the fastening ring, and slipped back on after cleaning. According to an improvement of the invention, the second housing section is secured against twisting by means of a retention element.
REFERENCES:
patent: 399691 (1889-03-01), Newell
patent: 1427567 (1922-08-01), Yeiser
patent: 1466895 (1923-09-01), Edelman
patent: 1658159 (1928-02-01), Ernst et al.
patent: 1994789 (1935-03-01), Redmond et al.
patent: 6219858 (2001-04-01), Farmer
patent: 196 04 760 (1996-11-01), None
patent: 196 49 937 (1998-06-01), None
patent: 0 731 222 (1996-09-01), None
patent: 8-261567 (1996-10-01), None
Benne David
Röst Maarten
Browdy and Neimark
Fetsuga Robert M.
Gerberit Technik AG
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