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  Garbage disposer replacement unitRelated Patent Categories: Baths, Closets, Sinks, And Spittoons, Strainer, Stopper, Plug Or ClosureGarbage disposer replacement unit description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070113329, Garbage disposer replacement unit. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] A. Field of the Invention [0002] The present invention relates to a garbage disposal, and more particularly to a garbage disposer unit for use in food industries to replace motorized disposers that have become an environmentally harmful way to dispose of food wastes. [0003] B. Description of Related Art [0004] Restaurant food waste from rinsed dirty dishes is an environmental problem. Garbage disposers are highly efficient at disposing of food waste at a high rate, unfortunately they have other problems. Drain waste has the potential to create public health hazards. Excessive food service waste can overburden community wastewater systems and consequently, the oceans and streams of our natural environment. In this regard, the currently popular powered garbage disposers are problematic. Heavy-duty disposers have a high initial cost and maintenance with lost operation time at busy restaurants when they need fast dish washing with food disposal. Some cities such as Irvine, Calif. have banned garbage disposers because of the environmental awareness that the motorized disposers basically excrete food waste in a slurry state to the rivers and public facilities where it is difficult to recycled into potable water. Thus, the food waste will eventually end up in the ocean where it can cause bacteria blooms and other environmental disasters. [0005] One alternative to the garbage disposer is a strainer system to catch food waste from rinsed dirty dishes. Strainers built into the piping system have been used for more than a hundred years. U.S. Pat. No. 495,998 shows a sink trap design patented in 1893, the disclosure of which is incorporated herein by reference. A larger unit is shown in U.S. Pat. No. 960,901 to Hall for a trap for kitchen sinks patented in 1910, the disclosure of which is incorporated herein by reference. Hall shows a top strainer removable for cleaning and a bottom strainer. A horizontal line strainer was invented by Buker as shown in U.S. Pat. No. 2,915,188 patented in 1957, the disclosure which is incorporated herein by reference. The Buker device allows a continuous horizontal flow having a removable screen. A more recent improvement is seen in U.S. Pat. No. 4,045,351 to Peterson patented Aug. 30, 1977, the disclosure of which is incorporated herein by reference. The Petersen device has a removable strainer mounted below a sink. While the previously cited patented inventions may help with household drain straining, they are not well-suited to a high flow restaurant type of environment. They also have inconvenient design features that would not allow their use as a replacement of a garbage disposer. [0006] Therefore, the object of the present invention is to provide a garage disposer replacement unit that can be installed immediately in place of a motorized disposer unit using a simple installation means. Another object of the present invention is to provide a clip-on device for installation of a detachable under-sink unit, which clip-on device is easily adaptable to various existing drain sizes of the sink fixture. Another object of the present invention is to provide a screw-on device for a swift installation of a detachable under-sink unit to the sink fixture, which has a standard existing drain fittings. SUMMARY OF THE INVENTION [0007] A garbage disposer replacement unit according to the present invention includes a pre-rinse basket which can be custom made of stainless steel. The basket has multiple straining holes for filtering larger food chunks off dishes by dishwashing personnel. Below the basket is a unit that primarily comprises a main body constructed by sheets of stainless steel bent and welded or stamped into a shape of a drawer box with a deep bottom floor for holding an accumulation of food wastes for controlled disposal. The main body has a front rectangular opening through which a tray enters and slidably suspended in the interior of the main body. The tray has fine perforations at its bottom to filter out small particles of food wastes that pass the large holes of the basket. The tray has a top opening that is much larger than an available drain diameter of an existing bus bowl in a kitchen. This allows it to receive the first filtered wastes down the bus bowl. [0008] According to a first embodiment of installation of the main unit body to the sink fixture of a bus bowl, a clip disc formed of a plastic is paired with a number of clip top members to clip the main body onto the flanges of the bus bowl with the assistance of a fastening means. The clip disc has a drain adapter to adapt the unit's hole to the different drain diameters of existing bus bowl fixtures. An optional hole diameter is defined by the innermost of multiple annular grooves, which may be sawn off by an installer of the unit. The clip disc and a top clip member constitute a clip assembly for adjustably clipping the unit main body to the given drain flange easily but securely. [0009] An alternative embodiment is offered to the clip assembly made by the clip disc and a top clip member in installing the unit main body to the kind of bus bowl that does not have an integral drain flange commonly found on garbage disposers but a standard drain fitting screwed in an opening formed in the bus bowl. A riser is provided with an annular plate to conform to the bottom of the drain fitting and four legs protruding diametrically outwardly and downwardly of the annular plate. Each of the legs has a horizontal foot section formed with a bolt hole. A ring screw that is already in the drain fitting may be used to fasten the annular plate leaving the four legs free for attachment by the unit main body. [0010] The unit main body is attached by a fastening means including the bolts threaded from the interior of the main body through metal rings and the bolt holes of the foot sections, which abut the top plain of the main body. Then, the rings and nuts at the four feet around the annular plate securely fasten protruding ends of the bolts. DESCRIPTION OF THE DRAWINGS [0011] FIG. 1 is a perspective view of the garbage disposer replacement unit according to the present invention as applied to a kitchen sink shown partially broken away. [0012] FIG. 2 is a perspective view of the main body of the garbage disposer replacement unit of FIG. 1. [0013] FIG. 3 is a top view of a clip disc with drain adapter constituting a base member of a clip assembly for holding the garbage unit under a bus bowl according to a first embodiment of the present invention. [0014] FIG. 4 is a side view of the drain adapter plate of FIG. 3. [0015] FIG. 5 is a bottom view of the drain adapter plate of FIG. 3. [0016] FIG. 6 is a cross sectional view of the garbage disposer replacement unit installed under a bus bowl with a smaller drain size. [0017] FIG. 7 is a cross sectional view of the garbage disposer replacement unit installed under a bus bowl with a bigger drain size. [0018] FIG. 8 is an enlarged view of the cross section of the garbage disposer replacement unit encircled in FIG. 6. [0019] FIG. 9 is a bottom perspective view of a clip top member to clip on the flanges of the smaller drain of FIGS. 6 and 8 in cooperation with the drain adapter plate. [0020] FIG. 10 is an enlarged view of the cross section of the garbage disposer replacement unit encircled in FIG. 7. [0021] FIG. 11 is a perspective view of an alternative clip top member to clip on the flanges of the bigger drain of FIGS. 7 and 10 in cooperation with the drain adapter plate. Continue reading about Garbage disposer replacement unit... 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