Embodiments of the present invention are generally related to a device that alleviates the need to replace a damaged or outdated wastewater strainer. More specifically, a universal device for covering and concealing a flange of an existing waste water strainer.
Water receptacles, such as bathtubs, generally include a drain port located at their lowermost point. The drain port is interconnected to a drain pipe and receives a strainer that prevents items from entering the drain pipe. A “strainer,” as appreciated by one of skill in the art is the threaded fitting located in the bottom of a sink, bathtub, or the like (hereinafter “bathtub”) through which wastewater flows. Commonly, strainers have an externally threaded cylindrical portion that engages corresponding threads of the drain port and/or the drain pipe. The strainer also includes a flange, which extends from the upper end of the cylindrical portion, that engages the bottom of the bathtub. The flange sometimes rests in an indentation provided in the bottom of the bathtub. Strainers usually include closure valves that selectively control the flow of water therethrough. The closure valve is often interconnected to the strainer by way of a carrier that extends upwardly from a hub located within the cylindrical portion. The distance between the flange and the hub varies depending on the type of closure valve employed.
Strainer flanges may become outdated, damaged, or marred. In addition, individuals may simply wish to change the look and feel of their bathroom by changing the plumbing fixtures. For example, one may wish to replace brushed-nickel fixtures to brass fixtures. Replacement, however, is often very difficult because the strainer must be disconnected from the drain pipe, which is difficult to access because it is often located beneath the floor to which the bathtub is interconnected. Further, the threads of the replacement strainer may not be compatible with the threads of the drain port and/or drain pipe.
Wastewater strainers are presently concealed by devices that are glued to or otherwise interconnected to the wastewater strainer. That is, instead of replacing the wastewater strainer, a concealing member of the intended finish is placed on the flange of the existing strainer. For example, attention is directed to Applicant's Nufit™ device, which is disclosed in U.S. Pat. No. 5,745,931, that employs a flange that is glued onto the strainer flange. The Nufit™ flange includes a downwardly-extending outer lip that engages the outer edge of the wastewater strainer flange that, alone or in concert with other features, helps maintain radial position of the Nufit™ device with respect to the strainer. The Nufit™ device also employs a cylindrical portion that is placed within the cylindrical member of the wastewater strainer.
Another device is described in U.S. Pat. No. 7,503,083 (the “'083 patent”) that is similar to that of the Nufit™ device wherein a flange is provided with a cylindrical portion extending therefrom. The cylindrical portion also includes at least one groove for receiving an o-ring seal that engages the cylindrical member of the wastewater strainer to maintain the position of the concealing device. The o-ring seal helps align the opening of the strainer and the concealing device. It should be noted that the device of the '083 patent contemplates a system wherein no adhesives are used. The outer edge of the '083 device may also include a downwardly extending outer lip for engaging the outer edge of the waste water flange similar to that described above.
One drawback of the prior art devices is that the downwardly-extending cylindrical portion that is often employed may interfere with internal components of the strainer, which prevent engagement of the strainer flange and the concealing device flange. More specifically, strainers usually possess spokes or cross members that accommodate the hub that holds the closure valve carrier. Further, there are a multitude of strainer manufacturers, each with different designs, sizes, features, etc. In addition, manufacturers may, over time, modify designs such that retrofitting existing systems may prove problematic. The interference between the concealing device and the strainer frustrates consumers and forces them to either alter the cylindrical portion of the concealing device, i.e. trim it, or to purchase a new one. As trivial as this may at first appear, the practical consequences of such difficulties has serious financial implications. For example, a $500 per night hotel room may remain vacant simply due to the inability to conceal a damaged bathtub fixture. The foreseeable cost caused by the failure to have a straightforward “one size fits all” solution is enormous and orders of magnitude above the cost of the product itself.
Thus, it has been a long felt but unsolved need to provide a device for concealing a wastewater strainer in lieu of replacing it that is easy to install and can accommodate various models of wastewater strainers.
It is one aspect of the present invention to provide a device for concealing at least a portion of a wastewater strainer that is associated with a drain port of a bathtub. One embodiment of the present invention includes a plate with an aperture therethrough and an outer edge that generally coincides with an outer edge of the wastewater strainer. The plate can be any thickness and made of any material so long as it conceals at least a portion, and more preferably the majority of a flange of the wastewater strainer. One embodiment of the present invention is about 0.020 inches thick. Some plates of embodiments of the present invention possess a downwardly extending outer lip that interacts with an outer edge of the wastewater strainer flange to maintain the orientation of the plate with respect to the wastewater strainer flange.
Certain embodiments of the present invention have no portion that extends substantially into the wastewater strainer, thereby making them suitable for use with all types of wastewater strainers. Some embodiments, however, have portions that extend into the strainer to such a degree to not affect interconnection of the concealing device to the strainer. For example, a series of spaced tabs may be selectively interconnected adjacent to the inner diameter of the plate that is defined by the aperture. The tabs extend into the strainer body similar to inserts of the prior art. The tabs are spaced such that the cross members of the strainer are received in the spaces, thereby allowing the device to accommodate strainers of various sizes. One of skill in the art will appreciate that the tabs may be frangible to decrease the length thereof or completely removable from the plate. The tabs of some embodiments extend 2 centimeters from the plate, 1 cm from the plate, or 0.5 cm from the plate. The tabs may also be made to split longitudinally to decrease the width thereof and to increase the gap between adjacent tabs, if necessary.
Other embodiments enhance alignment of the concealing device with the strainer body by providing a flexible or compressible screen segment interconnected to the plate that extends into the strainer body. The screen will compress when contacting the cross members and may also include a plurality of openings that allow fluid flow through the walls thereof. The flexible material may also be cut to accommodate strainers of various sizes.
Similarly, the plate may employ additional features to enhance alignment. For example, a series of grooves or small projections may extend from the underside of the plate to help align the plate on strainer flanges of various diameters.
It is thus another aspect of the present invention to provide a device for concealing a wastewater strainer wherein substantially no portion thereof is located within the wastewater strainer. In order to accommodate a stopper, which maintains fluid within the bathtub and controls the release of fluid from the bathtub, one embodiment of the present invention includes a plurality of arms that extend into an opening of the plate. The arms terminate at a hub that accommodates a stopper-receiving carrier that extends above the plate. More specifically, lift and turn mechanisms, as taught by U.S. Pat. No. 5,758,368, Presflo™ stopper mechanism, as taught by U.S. Pat. No. 6,066,119; and push/pull stoppers as taught by U.S. Pat. No. 6,418,570, may be used with embodiments of the present invention. These patents are incorporated by reference in their entirety herein. One of skill in the art will appreciate that the arms may be omitted where, for example, the stopper is operatively interconnected to a carrier or a stopper that is associated directly with the strainer body
It is another aspect of the present invention to provide a device and method for concealing a wastewater strainer that employs an adapter that is selectively interconnectable to the plate. The adapter is interconnected to the plate, preferably to the arms thereof, and is designed to extend downwardly into the wastewater strainer. This embodiment will thus allow for greater stability between the plate and the wastewater strainer. It is contemplated that the adapter will accommodate strainers of various sizes or correspond to a specific strainer. The adapter of one embodiment of the present invention also includes at least one groove for receiving an o-ring that helps interconnect the adapter to the cylindrical wall of the wastewater strainer. It is also contemplated that the device for concealing may be sold or accompanied by with the adapter wherein if an interference between the adapter and the wastewater strainer was apparent, the adapter could be removed.
In operation of one embodiment, the plate is superimposed over the flange of a conventional wastewater strainer located in the bathtub. If present, the downwardly extending edge associated with the outer edge of the plate is used to align the plate on to the flange of the wastewater strainer. Other embodiments of the present invention have alternative physical features for contacting the outer edge of the strainer flange. Such contacting portions may be grooves, that are preferably circular, that correspond to and engage with the outer edge of the strainer flange.
An adhesive material may be placed between the plate and the strainer flange and provides one of, if not the sole means of attachment between the plate and the strainer. The bottom portion of the plate may include a roughened or otherwise non-continuous surface to help facilitate binding adhesive. The roughened surface may include text or other indicia to identify the origin of the product.
Alternatively, the plate may include adhesive and associated substrate incorporated onto its lower surface. In operation, the installer would remove a thickness of substrate and associated adhesive so that the thickness of the strainer body is accommodated, i.e., such that the concealing device does not extend too far from the bottom surface of the bathtub. The remaining portions of the adhesive and substrate remain associated with the plate and are used to bond the concealing member to the strainer flange. To facilitate bonding, the adhesive may be heat sensitive such that exposure of hot water will initiate cure and create a permanent bond between the plate and the strainer. One skilled in the art will appreciate that magnets may also be employed to interconnect the plate to the strainer body. To this end, the strainer flange may receive a ferromagnetic material that would bond with a magnet associated with the concealing device.
It is another aspect of the present invention to provide a device adapted for concealing a flange of a wastewater strainer comprising: a plate having an outer edge and an opening therethrough, said opening defining an inner edge; a first arm having a first end interconnected to said inner edge and a second end interconnected to a hub positioned in the center of said opening; a second arm having a first end interconnected to said inner edge and a second end interconnected to said hub; a carrier associated with said hub and extending from said plate; and wherein said plate is adapted to be associated with the flange of the wastewater strainer at least partially concealing the same.
It is another aspect of the present invention to provide a device adapted for concealing a portion of a wastewater strainer comprising: a plate having an outer edge and an opening therethrough; an arm associated with said plate and extending into said opening; a hub positioned within said opening and associated with said arm; and a carrier associated with said hub and extending from said plate.
It is still yet another aspect of the present invention to provide a member adapted for interconnection with a flange of a wastewater strainer for concealing the same, the wastewater strainer including a cylindrical wall extending from the flange, the cylindrical wall positioned in a drain port of a bathtub, the member comprising an outer edge that generally coincides with an outer edge of the strainer flange and having an opening that coincides with an opening in the wastewater strainer defined by the cylindrical wall thereof, the improvement comprising: a first arm associated with said member having a first end interconnected to a hub located in said opening of said member; a second arm associated with said member having a first end interconnected to said member and a second edge interconnected to said hub; a carrier associated with said hub and extending from said plate; and wherein no portion of said member said first arm, said second arm and said carrier extend below said flange of the wastewater strainer and into the cylindrical wall thereof when said member is interconnected to said wastewater strainer.
It is a further aspect of the present invention to provide in combination a fluid compartment having a bottom surface with a wastewater strainer associated with said bottom surface, said strainer having a cylindrical wall surrounding a cylindrical opening extending through said bottom surface of said fluid compartment, and a strainer flange extending outwardly from said cylindrical opening and positioned on said bottom surface of said fluid compartment, a plate having an outer diameter approximately the same as the diameter of said strainer flange and an aperture therethrough, said plate resting on said strainer flange with an adhesive material therebetween wherein said aperture and said cylindrical opening generally coincide; at least one arm associated with said plate and extending into said aperture; a hub associated with said at least one arm; and a carrier extending from said hub.
It is still yet another aspect of the present invention to provide a method of concealing a flange of a wastewater strainer that is positioned in a fluid receptacle, comprising: providing a plate with an outer edge that generally corresponds with an outer edge of said flange; and interconnecting said plate to said flange of said wastewater flange, wherein no portion of said plate is positioned within said wastewater strainer.
The Summary of the Invention is neither intended nor should it be construed as being representative of the full extent and scope of the present invention. Moreover, references made herein to “the present invention” or aspects thereof should be understood to mean certain embodiments of the present invention and should not necessarily be construed as limiting all embodiments to a particular description. The present invention is set forth in various levels of detail in the Summary of the Invention as well as in the attached drawings and the Detailed Description of the Invention and no limitation as to the scope of the present invention is intended by either the inclusion or non-inclusion of elements, components, etc. in this Summary of the Invention. Additional aspects of the present invention will become more readily apparent from the Detail Description, particularly when taken together with the drawings.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the general description of the invention given above and the detailed description of the drawings given below, serve to explain the principles of these inventions.
To assist in the understanding of one embodiment of the present invention the following list of components and associated numbering found in the drawings is provided herein:
It should be understood that the drawings are not necessarily to scale. In certain instances, details that are not necessary for an understanding of the invention or that render other details difficult to perceive may have been omitted. It should be understood, of course, that the invention is not necessarily limited to the particular embodiments illustrated herein.
Referring now to
The plate 6 of the concealing device 2 may include a downwardly extending lip 54 or a plurality of members, e.g., tabs, that engage the outer edge 34 of the strainer flange 38 to ensure that the drain opening 62 is unobstructed, as it is desirable to maintain the opening 10 of the concealing device 2 with respect to the opening 62 provided by the wastewater strainer 42.
The plate 6 of one embodiment of the invention is adapted to receive logos and laminates and be any color. The plate 6 is preferably made of a metallic material, but other materials, such as plastic may be employed. Further, temperature sensitive materials that provide a visual indication of water temperature may be employed, which is important when bathing children. The plate 6 may include temperature sensitive portions in the form of letters or logos as well.
In operation, the flange 38 of the wastewater strainer 42 and/or the underside of the plate 6 is applied with adhesive 64 or an adhesive tape. The plate 6 is then affixed to the flange 38 wherein the opening 10 of the plate is generally aligned with the opening 62 of the wastewater strainer. The stopper 26 is then associated with the carrier 22. As one of skill in the art will appreciate, the plate 6 may be interconnected to the wastewater strainer 42 without an adhesive wherein the hub 18 of the plate 6 is interconnected to the hub of the wastewater strainer 42 (not shown) by way of a connecting member, e.g., a threaded rod. The connecting member may also be integral with the carrier 22. Further, the connecting member may be capable of interconnecting to wastewater strainers of various sizes and manufacture.
Referring now to
Those skilled in the art will also appreciate that the outer edge 30 and edges associated with the openings 10 may be beveled to create a sloped interface between the top surface of the plate 6 and the bottom of the bathtub floor. The outer diameter of the outer edge 30 may be smaller, but is preferably equal to or larger than the diameter of the existing wastewater strainer flange to which it will be interconnected. Those skilled in the art will appreciate that larger diameters may be needed in order to fully conceal the drain port of a bathtub and associated strainer. The plate 6 may have various finishes as described herein. Furthermore, the arms 14 and/or hub 18 may have finishes that are different from the other portions of the plate 6.
Referring now to
One of skill in the art will appreciate that the adapter may be integral with the plate 6. For example, a frangible adapter may be associated with the plate 6 that is designed to protrude into the strainer body and that includes weakened areas to allow the adapter to be selectively shortened or completely removed. Similarly, a telescoping adapter may be provided that has the ability to be selectively increased or decreased in length to accommodate various strainer bodies. Further, at least one downwardly-extending tab may be associated with the plate 6. The tabs extend into the strainer body in such away to avoid the hub and spokes associated with the strainer body. The tabs may be frangible or hooks may be employed similar to those taught by U.S. Pat. No. 5,692,248.
Referring now to
More specifically, forcing the ring follower 158 downwardly rotates the guide member 142 to eventually provide an obstruction-free guide path that will allow the ring follower 158 and interconnected cap to move upwardly. The cap 164 is urged upwardly by a spring 168.
Referring now to
In operation of the device as shown in
While various embodiments of the present invention have been described in detail, it is apparent that modifications and alterations of those embodiments will occur to those skilled in the art. However, it is to be expressly understood that such modifications and alterations are within the scope and spirit of the present invention, as set forth in the claims provided herewith. In addition, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.
Furthermore, one of skill in the art will appreciate that the invention described herein may be used with or incorporated into any of the inventions in the patents and applications listed: U.S. Pat. No. 5,692,248, entitled “Method and Means for Covering the Flange of a Wastewater Strainer”; U.S. Pat. No. 5,745,931, entitled “Method and Means for Covering the Flange of a Wastewater Strainer”; U.S. Pat. No. 7,503,083, entitled “Method and Means for Covering the Flange of Wastewater Strainer”; U.S. Pat. No. 5,890,241, entitled “Method and Means for Installing Overflow Outlets to Bathtubs and the Like”, U.S. Pat. No. 6,066,119, entitled “Wastewater Strainer and Valve”; U.S. Pat. No. 6,148,454, entitled “A Solenoid Control for a Bathtub Wastewater Drain”; U.S. Pat. No. 6,154,898, entitled “Wastewater Drain Control for Fluid Compartments”; U.S. Pat. No. 6,173,459, entitled “A Control For a Bathtub Wastewater Drain”; U.S. Pat. No. 6,226,806, entitled “Wastewater Strainer and the Like”; U.S. Pat. No. 6,317,906, entitled “Strainer Assembly for Bathtub Drains and the Like”; U.S. Pat. No. 6,418,570, entitled “Drain Closure”; U.S. Pat. No. 6,546,573, entitled “Drain Cover Assembly”; U.S. Pat. No. 6,631,623, entitled “Condensate Drain Attachments and Method of Use Thereof”; U.S. Pat. No. 6,637,050, entitled “Overflow Assembly for Bathtubs and the Like”; U.S. Pat. No. 6,640,358, entitled “Strainer Assembly for Bathtub Drains and the Like”; U.S. Pat. No. 6,675,406, entitled “Overflow Assembly for Bathtubs and the Like”; U.S. Pat. No. 6,675,407, entitled “Solenoid Activated Bathtub Drain Closure”; U.S. Pat. No. 6,681,420, entitled “Method and Apparatus for Installing a Bathtub Assembly”; U.S. Pat. No. 6,691,411, entitled “Method of Installing a Wastewater Drain Assembly for a Bathtub”; U.S. Pat. No. 7,127,752, entitled “Overflow Assembly for Bathtubs and The Like”; U.S. Pat. No. 7,451,502, entitled “Bath Drain Closure Assembly”; and U.S. Pat. No. 7,503,083, entitled “Means for Covering the Flange of a Wastewater Strainer”; U.S. Patent Application Publication Nos. 20040117907, entitled “Method and Apparatus for Assembling and Sealing Bathtub Overflow and Wastewater Ports”; 20080047060, entitled “Control for a Bathtub Wastewater Drain”; 20070039098, entitled “Bath Drain Closure Assembly”; 20080098517, entitled “Method and Associated Apparatus for Assembling and Testing a Plumbing System”; and 20080196161 entitled “Flexible Bathtub Waste Pipe Assembly for Bathtubs and the Like”; and 20090172877, entitled “Method and Means for Covering the Flange of a Wastewater Strainer”; and 20100037392 entitled “Cable Actuated Drain”; all of which are incorporated by reference in their entirety herein.
This application is a continuation of U.S. patent application Ser. No. 15/276,384, filed Sep. 26, 2016, now U.S. Pat. No. 10,151,088, which is a continuation of U.S. patent application Ser. No. 14/332,148, filed Jul. 15, 2014, now U.S. Pat. No. 9,453,329, which is a divisional of U.S. patent application Ser. No. 13/274,804, filed Oct. 17, 2011, now U.S. Pat. No. 8,813,272, which claims the benefit of U.S. Patent Application Serial Nos. 61/394,611, filed Oct. 19, 2010, and 61/524,675, filed Aug. 17, 2011, both entitled “Device and Method for Concealing a Flange of a Wastewater Strainer,” the entire disclosures of which are incorporated by reference herein. Applicant also incorporates by reference herein U.S. Pat. No. 9,234,337, entitled “Foot-Actuated Drain Stopper,” which was filed on Jun. 7, 2013. To the extent appropriate a claim for priority is made to each of the preceding applications.
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Number | Date | Country | |
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Child | 14332148 | US |
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Child | 15276384 | US |