Small items bag for use in dishwasher

Information

  • Patent Grant
  • 6371642
  • Patent Number
    6,371,642
  • Date Filed
    Wednesday, January 10, 2001
    23 years ago
  • Date Issued
    Tuesday, April 16, 2002
    22 years ago
Abstract
A mesh bag for holding small items in a dishwasher. The bag preferably includes a top frame having a resilient front rail member and a resilient rear rail member. Each rail member has opposite ends. The rail members are pivotably joined at their ends such that the rail members are disposed adjacent each other. A mesh body depends from the top frame and has a substantially flat, rectangular shape. The mesh body includes a first mesh side wall and a second mesh side wall joined together along opposite side edges and a bottom edge. The top edge of the first mesh side wall is connected to the front rail member and the top edge of the second mesh side wall is connected to the rear rail such that the frame forms a closure mechanism for the bag.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates generally to a mesh bag for holding various small objects or articles in fixed positions in an automatic dishwasher.




2. Description of the Related Art




Conventional household dishwashers usually comprise upper and lower racks for containment of silverware, plates, bowls, glasses and other items that are to be washed. A water spray device is associated with each rack for spraying heated water on the items in the rack. Typically each water spray device will comprise a horizontal arm mounted below the rack for rotary motion around a central vertical axis. Ports are formed along the upper face of the arm for discharging jets of water upwardly out of the arm and onto the undersides of the items in the rack (located above the water spray arm). The arm is constructed so that water supply pressure causes the arm to rotate around a central point along the length of the arm. The water spray arm thus rotates as its sprays the items in the rack, such that all of the items are subjected to the water spray action.




Small lightweight items in the rack are sometimes dislodged from the rack, due to the force of the water sprays. In some cases these small items can become airborne and subsequently fall through openings in the rack so as to eventually be deposited on the bottom wall of the dishwasher.




Most dishwashers include an electrical heating element on the dishwasher bottom wall for heating the space within the dishwasher, to thus promote drying of the washed items. In the event that an item inadvertently contacts the heating element it may melt or otherwise be destroyed, due to the relatively high temperature on the heating element surface.




Various solutions have been proposed for supporting small items within an automatic dishwasher. U.S. Pat. No. 3,960,290 discloses a rigid plastic utility basket for use in the upper or lower rack of a dishwasher. The utility basket is provided with a hinged lid which may be arranged in a closed position for covering and securing small wares or items.




U.S. Pat. No. 5,102,225 discloses a mesh bag for securing small items within a dishwasher. The mesh bag is preferably an elongated tubular envelope having a short, longitudinal open end for insertion or removal of items. The bag may be secured to one of the racks in a dishwasher.




U.S. Pat. No. 5,211,191 also discloses a dishwasher bag for securing small items in an automatic dishwasher. The bag is provided with a large opening at the top which is formed by a rigid frame member. A cover member is associated with the rigid frame for securing items within the bag.




All of these prior art solutions have various drawbacks. The rigid basket disclosed in the '290 patent occupies a large amount of space and is relatively expensive. This is also true for the dishwasher bag of the '191 patent. The mesh bag disclosed in the '225 patent is configured in a manner that makes it relatively difficult to insert small items thereinto.




SUMMARY OF THE INVENTION




The present invention relates to an add-on bag structure installable in a dishwasher for containment of small lightweight items that might have a tendency to become airborne due to the force of the water sprays associated with normal dishwasher operation. Items that could be held in the bag include rubber baby bottle nipples; baby bottle caps; plastic spoons, forks and knives; small measuring spoons and cups; and small drinking glasses, light weight lids, etc.




The present invention is therefore directed to a bag for holding small items in a dishwasher. The bag preferably includes a top frame having a resilient front rail member and a resilient rear rail member. Each rail member has opposite ends. The rail members are pivotably joined at their ends such that the rail members are disposed adjacent each other. A mesh body depends from the top frame and has a substantially flat, rectangular shape. The mesh body includes a first mesh side wall and a second mesh side wall joined together along opposite side edges and a bottom edge. The top edge of the first mesh side wall is connected to the front rail member and the top edge of the second mesh side wall is connected to the rear rail such that the frame forms a closure mechanism for the bag which is biased in a closed orientation.




The bag is designed to completely envelope the items so that the force of the water sprays cannot dislodge the items; the items remain in the bag during the machine cycle (washing, rinsing, and drying). One of the rail members is connectable to one of the racks in the dishwasher such that the frame can be readily pulled open using one hand.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a fragmentary front view of a conventional dishwasher showing a rack structure therein. A bag of the present invention is shown suspended from the rack structure.





FIG. 2

is a fragmentary sectional view taken on line


2





2


in FIG.


1


.





FIG. 3

is an enlarged front elevational view of the bag shown in FIG.


1


.





FIG. 4

is a sectional view taken on line


4





4


in FIG.


3


.





FIG. 5

is a perspective view of the bag attached to a rack structure wherein the top frame is flexed into an open orientation.





FIG. 6

is an enlarged, perspective view of the ends of the front rail member and the rear rail member showing the pivotable connection between these elements.











DESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION




As shown in

FIG. 1

, the present invention is intended for use in a conventional dishwasher


10


having a door opening


12


for access to an otherwise closed space


14


that houses two dishracks including an upper dishrack


16


. The space immediately below the dishrack


16


contains a hollow water spray arm


18


that is fluidly connected to a water supply. The arm


18


is supported for rotation such that while water is being delivered to the spray arm the arm rotates around a central vertical axis (i.e. a vertical axis located at the geometrical center of space


14


). Spray arm


18


has a series of water ports spaced along its upper face for delivering jets of water upwardly against items supported in the rack


16


. Preferably, the spray arm


18


has a length that is almost the side-to-side dimension of enclosed space


14


. The rotary spray arm thereby has essentially complete spray coverage of the rack contents.




The present invention relates to an add-on small items bag


30


formed of a plastic open mesh material.

FIGS. 1 and 2

show a preferred embodiment of the small items bag


30


suspended within rack


16


. The small items bag


30


is configured to attach to the rack


16


through snap connection or clip means.




It can be seen in

FIGS. 3-5

that the bag


30


includes a pair of elongated members or front and rear rails


32


and


34


which form a top frame


35


along the top edge of the bag, a mesh body


36


and a bottom edge


38


. The front and rear rail


32


and


34


are elongated members preferably formed from plastic material. In the disclosed embodiment, the rear rail member


34


is secured to the rack through snap connection means.




In the preferred embodiment, the rail members


32


and


34


are connected at their ends through a hole and pin arrangement. The front rail member


32


is provided at opposite ends with cylindrical structures


40


, as best shown in FIG.


6


. The rear rail member


34


is provided at opposite ends with a hinge pin


42


. The rail members


32


and


34


are connected together by inserting the hinge pins


42


into the bores


44


formed by the cylindrical structures


40


. Each hinge pin


42


is provided with flexible retention prong elements


48


which resiliently deflect when the pins


42


are inserted into the bores


44


and secure the pin


42


within the bores


44


.




The mesh body


36


of the small items bag


30


may be formed by a single piece of open mesh material having a tubular configuration. The tube is pressed substantially flat thereby forming creases on opposite side edges and forming opposite side walls


36




a


and


36




b


. The top edge of the side wall


36




a


is secured to the front rail


32


while the top edge of the side wall


36




b


is secured to the rear rail


34


. While this can be done in any number of ways, in the preferred embodiment the mesh body


36


is secured to the rails


32


and


34


through heat welding. In particular, a pair of retention strips


54


are heat welded to the rails and sandwich the mesh side walls


36




a


and


36




b


therebetween thereby securing the mesh body to the rails.




The bottom edge


38


of the mesh body


36


is secured together to form a bottom edge of the bag


30


. The bottom edge


38


maybe secured together using any number of know joining techniques such as welding or adhesives or through the addition of some joining strips. In the preferred embodiment, the bottom edge


38


is secured together using a tape such as fine mesh tape.




As mentioned above, the small items bag is preferably installed onto rack


16


so that it is firmly attached to the rack but is nevertheless removable from the rack


16


. In particular, the rear rail


34


is formed having a plurality of resilient hook members


56


. The hook members


56


cooperate with retention ribs


58


to connect to a wire of the rack


16


.




It can be understood by one skilled in the art, therefore, that the top frame


35


forms a closure mechanism for the small items bag that is resiliently biased to a closed position but which can be readily opened. The small items bag


30


may be opened by pulling the front rail member


32


away from the rear rail member


34


. Only a single hand is necessary to separate the front and rear rail members


32


and


34


as the rear rail member


34


is secured to the rack


16


. This is best shown in FIG.


5


. When opening the small items bag


30


, the rail members flex into a bowed state. Notches


60


may be provided in the rail members to promote rail flexing at particular locations. Additionally, the terminal ends of the rails


32


and


34


pivot with respect to each other to facilitate the separation of the front and rear rail members


32


and


34


. In this manner, the small items bag


30


can readily be opened to allow easy placement of small items into and removal from the small items bag


30


.




The present invention is particularly advantageous over the prior art because of the relatively large opening that can be created between the rail members when the front rail


32


is separated from the rear rail


34


. In this manner, the items can be easily placed into the small items bag


30


with the bag


30


connected to the rack. The bag


30


can expand to accommodate a relatively large amount of items. However, when not in use, the bag


30


takes up relatively little space due to its substantially flat profile.




The drawings necessarily show a specific embodiment of the invention. However, it will be appreciated that some changes could be made while still practicing this invention. For example the bag can be formed of different materials. Also, the shape of the bag can be varied, e.g. a square configuration. As another feature, the bag walls could be pleated for purposes of expanding the bag volume (in its opened condition). Also, the bag could be attached to the dishwasher rack in various different ways, e.g. fasteners, snaps, or ties. Many other changes could be made while still practicing the basic invention set forth in the appended claims.




The description has been directed to particular embodiments of the invention in accordance with the requirements of the United States patent statutes. It will be apparent to those skilled in the art however, that modifications in the apparatus are possible without departing from the invention. It is intended that the following claims be interpreted to embrace all such modifications.



Claims
  • 1. A bag for holding small items in a dishwasher, the bag comprising:a top frame having a resilient front rail member and a resilient rear rail member, each rail member having opposite ends, one of said rail members including a cylindrical structure integrally formed into each end such that each end of said one of said rail members includes a bore, and the other of said rail members including a pin structure integrally formed on each end and having flexible retention prong elements formed on the distal end of each said pin, wherein the pins of the other of said rail members are received into the bores of the one of said rail members and said pins are retained in said cylindrical structures by said prong elements whereby the front rail and rear rail are hingedly connected at the ends of said the rail members such that the rail members are disposed adjacent each other; and a mesh body having a substantially flat, rectangular shape, the mesh body having a first mesh side wall and a second mesh side wall joined together along opposite side edges and a bottom edge, a top edge of the first mesh side wall is connected to the front rail member and a top edge of the second mesh side wall is connected to the rear rail.
  • 2. The bag for holding small items according to claim 1, further wherein each rail member is a relatively straight member.
  • 3. The bag for holding small items according to claim 1 wherein the top frame forms a closure mechanism that is biased closed.
  • 4. A bag for holding small items in a dishwasher, the bag comprising: a top frame having a resilient front rail member and a resilient rear rail member, each rail member having opposite ends, the rail members being pivotably joined at their ends such that the rail members are disposed adjacent each other, and said rear rail member includes at least one resilient hook for engaging a wire of a dishrack such that the bag is secured to the rack; anda mesh body having a substantially flat, rectangular shape, the mesh body having a first mesh side wall and a second mesh side wall joined together along opposite side edges and a bottom edge, a top edge of the first mesh side wall is connected to the front rail member and a top edge of the second mesh side wall is connected to the rear rail.
  • 5. The bag for holding the small items according to claim 4, wherein a first and second notch are formed into the rear rail member on opposite sides of the at least one resilient hook to promote rail flexing at particular locations.
  • 6. A bag for holding small items in a dishwasher, the bag comprising:a top frame having a resilient front rail member and a resilient rear rail member, each rail member having opposite ends, the rail members being pivotably joined at their ends such that the rail members are disposed adjacent each other, and wherein a notch is formed into at least one of the rail members at a location intermediate said opposite ends to promote rail flexing at said at least one location; and a mesh body having a substantially flat, rectangular shape, the mesh body having a first mesh side wall and a second mesh side wall joined together along opposite side edges and a bottom edge, a top edge of the first mesh side wall is connected to the front rail member and a top edge of the second mesh side wall is connected to the rear rail.
  • 7. A bag for holding small items in a dishwasher, the bag comprising:a top frame having a resilient front rail member and a resilient rear rail member, each rail member having opposite ends, the rail members being pivotably joined at their ends such that the rail members are disposed adjacent each other; and a mesh body having a substantially flat, rectangular shape, the mesh body having a first mesh side wall and a second mesh side wall joined together along opposite side edges and a bottom edge, a top edge of the first mesh side wall is secured to the front rail member and a top edge of the second mesh side wall is secured to the rear rail, wherein the mesh body is secured to the rail members by a pair of retention strips which are welded to the rail members.
  • 8. The bag for holding the small items according to claim 1, wherein the bottom edge of the mesh body is joined together using tape.
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