CA2061341C - Molded refrigerator shelf - Google Patents
Molded refrigerator shelf Download PDFInfo
- Publication number
- CA2061341C CA2061341C CA002061341A CA2061341A CA2061341C CA 2061341 C CA2061341 C CA 2061341C CA 002061341 A CA002061341 A CA 002061341A CA 2061341 A CA2061341 A CA 2061341A CA 2061341 C CA2061341 C CA 2061341C
- Authority
- CA
- Canada
- Prior art keywords
- shelf
- shelf member
- rim
- slide
- extension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 6
- 239000005341 toughened glass Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229920001870 copolymer plastic Polymers 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000012260 resinous material Substances 0.000 description 2
- 101100002344 Caenorhabditis elegans arid-1 gene Proteins 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 206010015037 epilepsy Diseases 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/84—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by moulding material on preformed parts to be joined
- B29C70/845—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by moulding material on preformed parts to be joined by moulding material on a relative small portion of the preformed parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
- A47B96/02—Shelves
- A47B96/025—Shelves with moving elements, e.g. movable extensions or link elements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
- A47B96/02—Shelves
- A47B96/027—Cantilever shelves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14377—Coating a portion of the article, e.g. the edge of the article using an additional insert, e.g. a fastening element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2325/00—Charging, supporting or discharging the articles to be cooled, not provided for in other groups of this subclass
- F25D2325/022—Shelves made of glass or ceramic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/22—Cleaning means for refrigerating devices
Abstract
A molded refrigerator shelf useful for containment of spills on the shelf includes a planar shelf member with a rim molded around the perimeter edge of the shelf member to form a liquid tight seal between the rim and the shelf member. The molded rim projects above the top surface of the shelf member to form a liquid dam for containing spills to the shelf member. In one form, the shelf is slideably mounted to allow horizontal extension of the shelf and convenient access to the rear portion of the shelf using slide guides molded into the rim along each side of the shelf. The shelf is cantilevered upon support brackets from the rear wall of a refrigerator to allow air flow around the shelf sides. The support brackets are adapted to support the shelf at a plurality of vertical positions.
Description
~xpr. Mail No. RB457974616 PATENT' f~;~'~ ~~ ~ ~ ~i.
DON01 ~°'~4'~3 BACKGROUND OF THE INVENTION
This invention relates to shelving for refrigerators and the like.
As is the nature of articles containing liquid which are stored in a refrigerator or freezer, many such articles are spillable and do spill. Such a spill will typically soak into other items or contaminate other foods in the refrigerated compartment. Extensive clean up efforts are required since the spill will commonly flow down through the compartment from shelf to shelf. Therefore, it is desirable to provide containment measures for limiting the area of such a spill. One such method is a spill resistant shelf, having the purpose of containing a spill to the shelf upon which the spill occurred and precluding the downward flow of the spill through the compartment.
One such spill resistant shelf is disclosed in U.S. Patent No. 4,934,541, entitled "REFRIGERATOR SHELF AND
METHOD OF MANUFACTURING°' and issued on June 19, 1990 to Bussan et al. therein, a refrigerator shelf is disclosed having a two-piece plastic °'picture frame" circumscribing the periphery of a glass plate to provide a spill resistant refrigerator shelf. For liquid spill resistance, a silicone seal should be provided between the upper frame member and the glass plate, as disclosed.
In U.S. Patent No. 3,633,983, entitled "SHELF
STRUCTURE" and issued on January 11, 1972 to Whitcomb, the use of a glass shelf member which is framed by spaced parallel side portions, an interconnecting rear portion and a transversely extending portion across the front of the glass is disclosed. The framing front, side and rear 1 portions are specified as being extruded material and having a glass receiving groove for receiving the glass shelf member. However, a liquid tight seal around the perimeter edge of the glass is not provided or suggested. A spill on the shelf, particularly of a liquid, will seep between the glass and the supporting frame and flow down through the compartment.
Another problem common to the above discussed shelf structures still remains. That is, items which are spilled upon such shelves can seep between the glass plate shelf member arid the surrounding frame members where it is virtually impossible to remove or otherwise clean. Thus and in spite of the sanitary benefits of using glass, an unsanitary condition can easily develop as food stuffs become trapped between the shelf members and frame members of the above described shelf structures.
Another consideration in designing shelf structures for a refrigerated compartment is the circulation or convection of air through the compartment. It is desirable to provide for some means of circulation in order to maintain a homogeneous temperature distribution and avoid stratification, wherein a range of temperature zones would be experienced in the compartment with the coldest zone at the bottom and the warmest zone at the top. Therefore, one will typically design the shelf structure to include passage spaces at either side of a shelf as well as behind the shelf. This carries with it an inherent deficiency in that it decreases the shelf surface area by the amount of space allowed at either side of and behind the shelf.
Further, in situations where a framing structure -2 °-1 circumscribes the shelf, such as those discussed above, the width of the frame further reduces the available shelf area.
sUMMARY OF THE INVENTION
Accordingly, the present invention provides a refrigerator shelf having a molded, perimeter, spill resistant rim. The molded rim both maximizes the spill retention capability of the shelf and minimizes the potential for inaccessible entrapment of a spilled material between the perimeter rim and the shelf member. In one aspect of the invention, the perimeter rim is molded around at least a portion of supporting shelf brackets, assuring a secure and durable attachment between the shelf member and the support brackets.
In an alternative embodiment of the invention, the shelf is provided with a slide mount so that the shelf can conveniently be extended for easier access to items stored on the rear portion of the shelf. In another aspect of the invention, a stop is provided to prevent the sliding shelf from sliding beyond a safe extension position. In another aspect of the invention, tempered glass is used as the shelf member to enhance light distribution through the refrigerated compartment and to enhance viewing of items supported by the shelving. In another aspect of the invention, the sides and baclt of the shelf are spaced from the walls of the refrigerated compartment to provide proper circulation around the shelf and the use of the molded perimeter rim allows the formation of a narrow perimeter rim to maximize the support area of the shelf.
The present invention provides a durable support rim for a spill proof refrigerator shelf. The molded perimeter rim maximizes sealing contact between the rim arid 1 the shelf member for enhanced spill prevention and to minimize the potential for entrapment of food stuffs between the perimeter ram and the shelf member and the subseguent development of an unsanitary condition. Further, the molded rim of the present invention offers enhanced aesthetics by minimizing seams and joints in the rim to give a mare streamlined appearance.
These and other objects, advantages and features of the present invention will become apparent upon review of ZO the following specification in conjunction with the drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a fragmentary perspective view of the interior of a refrigerator showing a shelf according to the present invention.
Fig. 2 is a fragmentary perspective view of the interior of a refrigerator showing a sliding shelf according to the present invention.
Fig. 3 is a fragmentary sectional view along section line III-III of the front edge of the shelf of Fig.
1.
Fig. 4 is a fragmentary sectional view along section line IV-IV of the front edge of the shelf of Fig. 2.
Fig. 5 is a fragmentary sectional view along sectian line V-V of a side edge of the shelf of Fig. 1.
Fig. 6 is a fragmentary sectional view along section line VI-VI of a side edge of the shelf of Fig. 2.
Fig. 7 is a fragmentary sectional view along section line VII-VII of the rear edge of the shelf of Fig.
1.
DON01 ~°'~4'~3 BACKGROUND OF THE INVENTION
This invention relates to shelving for refrigerators and the like.
As is the nature of articles containing liquid which are stored in a refrigerator or freezer, many such articles are spillable and do spill. Such a spill will typically soak into other items or contaminate other foods in the refrigerated compartment. Extensive clean up efforts are required since the spill will commonly flow down through the compartment from shelf to shelf. Therefore, it is desirable to provide containment measures for limiting the area of such a spill. One such method is a spill resistant shelf, having the purpose of containing a spill to the shelf upon which the spill occurred and precluding the downward flow of the spill through the compartment.
One such spill resistant shelf is disclosed in U.S. Patent No. 4,934,541, entitled "REFRIGERATOR SHELF AND
METHOD OF MANUFACTURING°' and issued on June 19, 1990 to Bussan et al. therein, a refrigerator shelf is disclosed having a two-piece plastic °'picture frame" circumscribing the periphery of a glass plate to provide a spill resistant refrigerator shelf. For liquid spill resistance, a silicone seal should be provided between the upper frame member and the glass plate, as disclosed.
In U.S. Patent No. 3,633,983, entitled "SHELF
STRUCTURE" and issued on January 11, 1972 to Whitcomb, the use of a glass shelf member which is framed by spaced parallel side portions, an interconnecting rear portion and a transversely extending portion across the front of the glass is disclosed. The framing front, side and rear 1 portions are specified as being extruded material and having a glass receiving groove for receiving the glass shelf member. However, a liquid tight seal around the perimeter edge of the glass is not provided or suggested. A spill on the shelf, particularly of a liquid, will seep between the glass and the supporting frame and flow down through the compartment.
Another problem common to the above discussed shelf structures still remains. That is, items which are spilled upon such shelves can seep between the glass plate shelf member arid the surrounding frame members where it is virtually impossible to remove or otherwise clean. Thus and in spite of the sanitary benefits of using glass, an unsanitary condition can easily develop as food stuffs become trapped between the shelf members and frame members of the above described shelf structures.
Another consideration in designing shelf structures for a refrigerated compartment is the circulation or convection of air through the compartment. It is desirable to provide for some means of circulation in order to maintain a homogeneous temperature distribution and avoid stratification, wherein a range of temperature zones would be experienced in the compartment with the coldest zone at the bottom and the warmest zone at the top. Therefore, one will typically design the shelf structure to include passage spaces at either side of a shelf as well as behind the shelf. This carries with it an inherent deficiency in that it decreases the shelf surface area by the amount of space allowed at either side of and behind the shelf.
Further, in situations where a framing structure -2 °-1 circumscribes the shelf, such as those discussed above, the width of the frame further reduces the available shelf area.
sUMMARY OF THE INVENTION
Accordingly, the present invention provides a refrigerator shelf having a molded, perimeter, spill resistant rim. The molded rim both maximizes the spill retention capability of the shelf and minimizes the potential for inaccessible entrapment of a spilled material between the perimeter rim and the shelf member. In one aspect of the invention, the perimeter rim is molded around at least a portion of supporting shelf brackets, assuring a secure and durable attachment between the shelf member and the support brackets.
In an alternative embodiment of the invention, the shelf is provided with a slide mount so that the shelf can conveniently be extended for easier access to items stored on the rear portion of the shelf. In another aspect of the invention, a stop is provided to prevent the sliding shelf from sliding beyond a safe extension position. In another aspect of the invention, tempered glass is used as the shelf member to enhance light distribution through the refrigerated compartment and to enhance viewing of items supported by the shelving. In another aspect of the invention, the sides and baclt of the shelf are spaced from the walls of the refrigerated compartment to provide proper circulation around the shelf and the use of the molded perimeter rim allows the formation of a narrow perimeter rim to maximize the support area of the shelf.
The present invention provides a durable support rim for a spill proof refrigerator shelf. The molded perimeter rim maximizes sealing contact between the rim arid 1 the shelf member for enhanced spill prevention and to minimize the potential for entrapment of food stuffs between the perimeter ram and the shelf member and the subseguent development of an unsanitary condition. Further, the molded rim of the present invention offers enhanced aesthetics by minimizing seams and joints in the rim to give a mare streamlined appearance.
These and other objects, advantages and features of the present invention will become apparent upon review of ZO the following specification in conjunction with the drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a fragmentary perspective view of the interior of a refrigerator showing a shelf according to the present invention.
Fig. 2 is a fragmentary perspective view of the interior of a refrigerator showing a sliding shelf according to the present invention.
Fig. 3 is a fragmentary sectional view along section line III-III of the front edge of the shelf of Fig.
1.
Fig. 4 is a fragmentary sectional view along section line IV-IV of the front edge of the shelf of Fig. 2.
Fig. 5 is a fragmentary sectional view along sectian line V-V of a side edge of the shelf of Fig. 1.
Fig. 6 is a fragmentary sectional view along section line VI-VI of a side edge of the shelf of Fig. 2.
Fig. 7 is a fragmentary sectional view along section line VII-VII of the rear edge of the shelf of Fig.
1.
X ' .r' ~ > ~?' 3 ~..'~ l ~~ ~. % .~~. ~.'f '' t 1 Fig. 8 is a fragmentary sectional view along section line VIII-VIII of the rear edge of the shelf of Fig.
2.
Fig. 9 is a fragmentary side elevational view showing the rear end of a support bracket.
Fig. 10 is a partially fragmentary perspective view of the shelf of Fig. 2 partially extended and showing a first embodiment of a shelf stop.
Fig. 11 is a fragmentary sectional view along section line XI-XI of the shelf stop of the shelf of Fig.
10.
Fig. 12 is a fragmentary rear elevation of the shelf stop of Fig. 11.
Fig. 13 is a fragmentary sectional view along section line XIII-XIII of the shelf stop of Fig. 11.
Fig. 14 is a fragmentary side elevation of the shelf of Fig. 2 showing a second, alternate embodiment of a shelf stop.
Fig. 15 is a fragmentary sectional view along section line XV-XV of the shelf of Fig. 14.
Fig. 16 is a fragmentary side elevation of the shelf of Fig. 2 with a third, alternate embodiment of a shelf stop.
Fig. 17 is a fragmentary sectional view along section line XVII-XVII of Fig. 16.
Fig. 18 is a fragmentary side elevation of the shelf of Fig. 2 showing a fourth, alternate embodiment of a shelf stop.
Fig. 19 is a fragmentary sectional view along section line XIX-XIX of Fig. 18.
_5_ ,:
~. a r~:~ '.'k :~..
1 Fig. 20 is a fragmentary sectional view along section line XX-XX of Fig. 19.
Fig. 21 is a fragmentary side elevation of the shelf of Fig. 2 showing a fifth, alternate embodiment of a shelf stop.
Fig. 22 is a fragmentary sectional view along section line XXII-XXII of Fig. 21.
Fig. 23 is a fragmentary sectional view along section line XXIII-XXIII of Fig. 22.
Fig. 24 is a fragmentary side elevation of the shelf of Fig. 2 showing a sixth, alternate embodiment of a shelf stop.
Fig. 25 is a fragmentary sectional view along section line XXV--XXV of Fig. 24.
Fig. 26 is a fragmentary sectional view along section line XXVI-XXVI of Fig. 25.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring now to the drawings in greater detail and Fig. 1 in particular, a refrigerator shelf assembly 10 according to the present invention comprises a generally planar shelf member 12, metal support brackets 14 and 16 and a molded, resinous perimeter rim 18. Shelf assembly 10 is preferably cantilevered forward by brackets 14 and 16 from the rear wall 20 of a refrigerator.
Shelf member 12 may be a light transmitting material, preferably optically clear tempered glass, to enhance light distribution through the refrigerated compartment. Shelf member 12 has a perimeter edge 22 (Figs.
3 and 5) which is supported above brackets 14 and 16 and positioned to overlap above inwardly projecting flange portions 26 of the brackets. Flange portions 26 project -6_ ~~ '' ,, i '.~: .j.
a.
1 inwardly toward each other at the top edge of generally vertical web portions 30 of each bracket 14 and 16. Thus, the brackets 14 and 16 are mirror image replicas of each other.
While shelf assembly 10 may be used as a fixed shelf, it is preferably used as a vertically adjustable shelf. Therefore, as shown in Fig. 9, the rear ends 40 and 42 of brackets 14 and 16 are preferably adapted for releasable engagement with shelf tracks 44 provided on rear wall 20 of the refrigerator as is commonly practiced.
Recesses 41 and 43 function as hooks which engage over rungs 45 in tracks 44 to suspend the brackets. Thus, shelf assembly 10 may be positioned at a plurality of locations spaced vertically along tracks 44. Shelf assembly 10 is preferably sized to provide air circulation space between side portions 60 and 62 and the side walls 22 of the refrigerator as well as between rear edge 58 and rear wall of the refrigerator to provide for proper circulation 20 around the shelf. Further, the length of shelf assembly 10 is determined to provide air circulation space between the front edge 54 and the door (not shown) of the refrigerator.
Rim 18 is molded around the entire perimeter edge 22 of shelf member 12 as well as flanges 24 and 26 of brackets 14 and 16 for tight engagement and connection of shelf member 12 with brackets 14 and 16 (Fig. 5). During assembly, shelf member 12 and support brackets l4 and 16 are held and positioned within a mold while a moldable material from which rim 18 is made is injected and flows into the mold around the peripheral edge 22 of shelf member 12 and flange portions 24 and 26, encapsulating the edge 22 and _ ~ x 1 flange portions 24 and 26. The moldable material of which rim 18 is comprised may include copolymer plastics such as a combination of ethylene and polypropylene or other structural, resinous plastic such. as ABS or polyvinyl chloride. Further, a coloration pigment added to the moldable plastic used for molding rim 18 prior to molding to provide desired colors to the rim. For example, titanium dioxide may be added for a white coloration.
As the moldable material auras, i.e., cools, hardens and sets up, it becomes a tough and resilient mass extending continuously around the perimeter edge 22 of shelf member 12 for holding shelf member 12 in position above the flange portions 24 and 26 of support brackets 14 and 16.
The inward extension of flanges 24 and 26 provides secure, stable support for shelf 12. Rim 18 is molded to extend above the top surface 46 of shelf member 12 and is specifically molded to define a continuous vertical wall 48 near the perimeter edge 22 of shelf member 12 forming a spill dam for containing spills occurring upon the shelf member 12 (Figs. 3, 5 and 7).
While the seal formed between rim 18 and shelf member 12 by molding rim 18 around shelf member 12 performs quite satisfactorily, depending on the specific resinous plastic chosen, one may wish to enhance the seal by coating perimeter edge 22 and the adjoining top 46 and bottom 50 surfaces of shelf member 12, adjacent perimeter edge 22, prior to the molding of rim 18 therearound with a primer layer or coating of a heat activatable, resinous material which promotes and facilitates the adhesion of the rim material to the glass shelf member 12.
_g_ f X?~ aj :~-_.
1 As shown in Fig. 3, a decorative trim piece 52 may be molded into rim 18 along the front edge 54 of shelf member 12. Likewise, a decorative trim piece 56 may be molded into rim 18 along the rear edge 58 of shelf member 12 (Fig. 7).
Alternatively, a slideable shelf assembly 110, according to the present invention, is shown in Fig. 2 comprising a slideable shelf member 112, metal support brackets 114 and 116, and a molded, resinous perimeter rim 118. Shelf assembly 110 is also preferably cantilevered forward by brackets 114 and 116 from the rear wall 20 of a refrigerator.
Shelf member 112 comprises a generally planar shelf panel 113 and rim 118. Shelf panel 113 may be a light transmitting material, preferably optically clear tempered glass, to enhance light distribution through the refrigerated compartment. Shelf panel 113 has a perimeter edge 122 which is encapsulated by perimeter rim 118 (Fig.
6) .
Rim 118 is molded around the perimeter edge 122 of shelf panel 113. During assembly, shelf panel 113 is held in position within a mold while a moldable material is injer_ted and flows into the mold around perimeter edge 122.
Again, the moldable material may be a copolymer plastic or other structural plastic. Also, a coloration pigment, as discussed above, may be added to the plastic used for molding rim 118. Rim 118 is also molded to extend above the top surface 145 of shelf panel 113 and is specifically molded to define a continuous vertical wall 148 near the perimeter edge 122 of shelf panel 113 forming a spill dam 2~~. ~d~~
1 for containing spills occurring upon the shelf member 112 (Figs. 4, 6 and 8).
The seal between rim 118 and shelf panel 113 may be enhanced by coating perimeter edge 122 and the top 146 and bottom 150 surfaces of shelf panel 113 near perimeter edge 122 with a primer layer of a heat activatable, resinous material as described above.
A shelf pull 180 is molded along the front edge 154 of shelf member 112 by extending the lower edge 178 of rim 118 downwardly (Fig. 4). Further, as shown in Fig. 4, a decorative trim piece 152 may be molded into rim 118 along the front edge 154 of shelf member 112. A decorative trim piece 156 may also be molded into rim 118 along the rear edge 158 of shelf member 112 (Fig. 8).
As is best seen in Figs. 2 and 6, a generally V-shaped channel is preferably molded into the outwardly facing side surface of each side portion 160 and 162 of rim 118 to define slide guides 166. A corresponding, generally V-shaped ridge 167 is formed along the tap edges 126 of each support bracket 114 and 116 defining slide rails 170 for sliding engagement with the slide guides.
The support brackets 114 and 116 of shelf assembly 110 are mirror image replicas of each other, having rear ends 140 and 1.42 identical to bracket ends 40 and 42 of brackets 14 and 16, and preferably adapted for releasable engagement with shelf tracks 44. Tracks 44 are provided on rear wall 20 of the refrigerator as is commonly practiced for vertically adjustable shelf positioning of the shelf assembly 110 along tracks 44. A pair of cross braces 132 and 134 connecting between webs 128 and 130 of support brackets 114 and 116 are provided for holding the support ra .~"
1 brackets in spaced relation to each other. Brace i32 is connected to each web 128 and 130 near the forward ends 136 and 138 of brackets 114 and 116. Brace 134 is connected to each web 128 arid 130 at a position approximately one-third to one-half of the length of brackets 114 and 116 forward of ends 140 and 142. Cross braces 132 and 134 are required in sliding shelf assembly 110 to stabilize the support brackets 114 and 116 and to maintain the proper positioning of front ends 136 and 138 of the brackets, precluding the front ends from spreading apart as a load is applied to the shelf assembly 110. Shelf assembly 110 also includes one of several embodiments 210, 310, 410, 510, 610 or 710 of a shelf stop to preclude the inadvertent overextension of the slideable shelf.
A first alternative embodiment of a shelf stop is shown in Figs. 10-13 comprising a lever 210 mounted on a pivot rod 212 and a pair of pivot rod mounts 214 and 216 projecting downward from the rear edge 158 of shelf member 112, near bottom surface 150. Lever 210 has a top end 218 which projects above the perimeter rim 118 for manipulation by a user. Lever 210 also has a lower end 220 defining a catch 222 for engagement with cross braces 132 and 134. As the shelf member 112 is slid forward, the catch 222 approaches and engages the brace 134 precluding further extension of the shelf. The relative position of brace 134 controls the extension of shelf member 112 and is preferably approximately one-third to one-half the length of brackets 114 and 116 forward of ends 140 and 142. The shelf stop may be released by sliding the shelf rearward sufficiently to move catch 222 away from brace 134 and moving the lever 210 to a release position as shown in phantom in Fig. 13. Lever 1 210 is easily pivoted to the release position by pressing rearward on face 219 of lever 210 near its top end 218.
With the lever in the release position, the catch 222 can slide above and past the brace 134. If the lever 210 is released to pass brace 134 and allowed to return to its latch position, the catch 222 will engage the other brace 132 as the shelf member 112 is extended. By keeping the lever 210 in the release position, shelf member 112 can be fully removed. A return spring 217 may be mounted with lever 210 to bias the lever to the latch position.
Alternatively, lever 210 may be designed so that the force of gravity is sufficient to bias the lever to the latch position.
A second, alternative shelf stop embodiment is shown in Figs. 14 and 15 comprising a slot 310 cut into at least one slide rail 168 and 170 and a cooperating stop pin 312 mounted in a fixed position and projecting from perimeter rim 118 at the corresponding slide guide 164 and 166 into the slot 310. The slot 310 has a front end wall 314 and a rear end wall (not shown) to limit the movement of pin 312 for limiting the extension and retraction of shelf assembly 110. The length and position of the slot 310 in combination with the position of the stop pin 312 will dictate the length of extension for shelf member 112, which is preferably in the range of one-third to one-half the length of the shelf support brackets 114 and 116. Use of this shelf stop embodiment generally precludes the removal of the shelf member 112 from the support brackets 114 and 116, but does not inhibit the removal of the entire shelf assembly 110 from the refrigerator compartment. Brackets 114 and 116 must be assembled to shelf member 112 with stop -12°
1 pins 312 received in slots 310 before mounting the entire assembly on tracks 44.
A third, alternative embodiment of a shelf stop is shown in Figs. 16 and 17 comprising a formed metal clip 410 mounted to the bottom surface 172 of the perimeter rim 118 along at least one side portion 7.74 and 176 of the rim 118.
The clip 410 is configured with an inclined front abutting surface 412 for engagement with a cross brace 132 or 134 to limit the extension of the shelf member 112. The relative position of clip 410 will determine the extension of shelf member 112. Clip 410 is preferably bent from a strap of steel or formed from other resilient material so that the clip 410 will deform when forced past the cross brace and will resume its original configuration once past the cross brace. Clip 410 is preferably removably mounted to the perimeter rim 118 by a screw 414 so that it can be removed rather than requiring that it be forced past the cross brace during assembly and disassembly of the shelf assembly 110.
Alternately, the shelf assembly can be removed from tracks 44 arid disassembled.
A fourth, alternative embodiment of a shelf stop is shown in Figs. 18-20 comprising a detent 510 pressed out of the side 178 of at least one of the slide rails 168 and 170 and a corresponding groove or channel 512 cut or molded into the side of the corresponding slide guide 164 and 166.
The relative position of detent 510 and the relative position and length of channel 512 will control the extension of shelf member 112. Again, the brackets with slide rails 168 and 170 are assembled to shelf 112 such that detent 510 is received in channel 512 prior to mounting the entire assembly in tracks 44.
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1 A fifth, alternative shelf stop is shown in Figs.
21-23 comprising a detent 610 projecting from the end of a flexible finger 612 formed in at least one of the slide rails 168 and 170 and a notch 614 cut or molded into the side of the corresponding slide guide 164 and 166. Again, the relative positioning of the detent and notch will determine the extension of shelf member 112. Also, shelf member 112 can be removed from the support brackets 114 and 116 by forcing 'the notch 614 past the resilient detent 610.
A sixth, alternative shelf stop embodiment is shown in Figs. 24-26 comprising a groove 710 formed in at least one of slide rails 168 and 170 and a cooperating protrusion 712 formed on the corresponding slide guide 164 and 166. An inclined caroming surface 714 with an end wall 716 projecting into the groove 710 is formed over a portion of the length of the groove 710. The protrusion 712 is molded with a cooperating inclined caroming surface 718 and upstanding end wall 720 so that the shelf member 112 can be assembled by sliding the shelf member 112 into the front ends 140 and 142 of support brackets 114 and 116 and forcing protrusion 712 past the stop wall 716 in the groove. The perimeter rim 118 material of which the protrusion 712 is formed is sufficiently flexible and resilient so that protrusion 712 will deform as its caroming surface 718 engages and slides over the caroming surface 714 of the rail groove 710 and will resume its undeformed configuration once end wall 720 is past the stop end wall 716. Removal of shelf member 112 must be accomplished by removal of the entire assembly from tracks 44 followed by removing brackets 114 and 116 from the slide rails 168 and 170.
While alternative embodiments of the invention have been shown and described, other forms will now be apparent to one skilled in the art. Therefore, it will be understood that the embodiments shown in the drawings and described above are merely for illustrative purposes and are not intended to limit the scope of the invention which is defined by the claims which follow.
2.
Fig. 9 is a fragmentary side elevational view showing the rear end of a support bracket.
Fig. 10 is a partially fragmentary perspective view of the shelf of Fig. 2 partially extended and showing a first embodiment of a shelf stop.
Fig. 11 is a fragmentary sectional view along section line XI-XI of the shelf stop of the shelf of Fig.
10.
Fig. 12 is a fragmentary rear elevation of the shelf stop of Fig. 11.
Fig. 13 is a fragmentary sectional view along section line XIII-XIII of the shelf stop of Fig. 11.
Fig. 14 is a fragmentary side elevation of the shelf of Fig. 2 showing a second, alternate embodiment of a shelf stop.
Fig. 15 is a fragmentary sectional view along section line XV-XV of the shelf of Fig. 14.
Fig. 16 is a fragmentary side elevation of the shelf of Fig. 2 with a third, alternate embodiment of a shelf stop.
Fig. 17 is a fragmentary sectional view along section line XVII-XVII of Fig. 16.
Fig. 18 is a fragmentary side elevation of the shelf of Fig. 2 showing a fourth, alternate embodiment of a shelf stop.
Fig. 19 is a fragmentary sectional view along section line XIX-XIX of Fig. 18.
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1 Fig. 20 is a fragmentary sectional view along section line XX-XX of Fig. 19.
Fig. 21 is a fragmentary side elevation of the shelf of Fig. 2 showing a fifth, alternate embodiment of a shelf stop.
Fig. 22 is a fragmentary sectional view along section line XXII-XXII of Fig. 21.
Fig. 23 is a fragmentary sectional view along section line XXIII-XXIII of Fig. 22.
Fig. 24 is a fragmentary side elevation of the shelf of Fig. 2 showing a sixth, alternate embodiment of a shelf stop.
Fig. 25 is a fragmentary sectional view along section line XXV--XXV of Fig. 24.
Fig. 26 is a fragmentary sectional view along section line XXVI-XXVI of Fig. 25.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring now to the drawings in greater detail and Fig. 1 in particular, a refrigerator shelf assembly 10 according to the present invention comprises a generally planar shelf member 12, metal support brackets 14 and 16 and a molded, resinous perimeter rim 18. Shelf assembly 10 is preferably cantilevered forward by brackets 14 and 16 from the rear wall 20 of a refrigerator.
Shelf member 12 may be a light transmitting material, preferably optically clear tempered glass, to enhance light distribution through the refrigerated compartment. Shelf member 12 has a perimeter edge 22 (Figs.
3 and 5) which is supported above brackets 14 and 16 and positioned to overlap above inwardly projecting flange portions 26 of the brackets. Flange portions 26 project -6_ ~~ '' ,, i '.~: .j.
a.
1 inwardly toward each other at the top edge of generally vertical web portions 30 of each bracket 14 and 16. Thus, the brackets 14 and 16 are mirror image replicas of each other.
While shelf assembly 10 may be used as a fixed shelf, it is preferably used as a vertically adjustable shelf. Therefore, as shown in Fig. 9, the rear ends 40 and 42 of brackets 14 and 16 are preferably adapted for releasable engagement with shelf tracks 44 provided on rear wall 20 of the refrigerator as is commonly practiced.
Recesses 41 and 43 function as hooks which engage over rungs 45 in tracks 44 to suspend the brackets. Thus, shelf assembly 10 may be positioned at a plurality of locations spaced vertically along tracks 44. Shelf assembly 10 is preferably sized to provide air circulation space between side portions 60 and 62 and the side walls 22 of the refrigerator as well as between rear edge 58 and rear wall of the refrigerator to provide for proper circulation 20 around the shelf. Further, the length of shelf assembly 10 is determined to provide air circulation space between the front edge 54 and the door (not shown) of the refrigerator.
Rim 18 is molded around the entire perimeter edge 22 of shelf member 12 as well as flanges 24 and 26 of brackets 14 and 16 for tight engagement and connection of shelf member 12 with brackets 14 and 16 (Fig. 5). During assembly, shelf member 12 and support brackets l4 and 16 are held and positioned within a mold while a moldable material from which rim 18 is made is injected and flows into the mold around the peripheral edge 22 of shelf member 12 and flange portions 24 and 26, encapsulating the edge 22 and _ ~ x 1 flange portions 24 and 26. The moldable material of which rim 18 is comprised may include copolymer plastics such as a combination of ethylene and polypropylene or other structural, resinous plastic such. as ABS or polyvinyl chloride. Further, a coloration pigment added to the moldable plastic used for molding rim 18 prior to molding to provide desired colors to the rim. For example, titanium dioxide may be added for a white coloration.
As the moldable material auras, i.e., cools, hardens and sets up, it becomes a tough and resilient mass extending continuously around the perimeter edge 22 of shelf member 12 for holding shelf member 12 in position above the flange portions 24 and 26 of support brackets 14 and 16.
The inward extension of flanges 24 and 26 provides secure, stable support for shelf 12. Rim 18 is molded to extend above the top surface 46 of shelf member 12 and is specifically molded to define a continuous vertical wall 48 near the perimeter edge 22 of shelf member 12 forming a spill dam for containing spills occurring upon the shelf member 12 (Figs. 3, 5 and 7).
While the seal formed between rim 18 and shelf member 12 by molding rim 18 around shelf member 12 performs quite satisfactorily, depending on the specific resinous plastic chosen, one may wish to enhance the seal by coating perimeter edge 22 and the adjoining top 46 and bottom 50 surfaces of shelf member 12, adjacent perimeter edge 22, prior to the molding of rim 18 therearound with a primer layer or coating of a heat activatable, resinous material which promotes and facilitates the adhesion of the rim material to the glass shelf member 12.
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1 As shown in Fig. 3, a decorative trim piece 52 may be molded into rim 18 along the front edge 54 of shelf member 12. Likewise, a decorative trim piece 56 may be molded into rim 18 along the rear edge 58 of shelf member 12 (Fig. 7).
Alternatively, a slideable shelf assembly 110, according to the present invention, is shown in Fig. 2 comprising a slideable shelf member 112, metal support brackets 114 and 116, and a molded, resinous perimeter rim 118. Shelf assembly 110 is also preferably cantilevered forward by brackets 114 and 116 from the rear wall 20 of a refrigerator.
Shelf member 112 comprises a generally planar shelf panel 113 and rim 118. Shelf panel 113 may be a light transmitting material, preferably optically clear tempered glass, to enhance light distribution through the refrigerated compartment. Shelf panel 113 has a perimeter edge 122 which is encapsulated by perimeter rim 118 (Fig.
6) .
Rim 118 is molded around the perimeter edge 122 of shelf panel 113. During assembly, shelf panel 113 is held in position within a mold while a moldable material is injer_ted and flows into the mold around perimeter edge 122.
Again, the moldable material may be a copolymer plastic or other structural plastic. Also, a coloration pigment, as discussed above, may be added to the plastic used for molding rim 118. Rim 118 is also molded to extend above the top surface 145 of shelf panel 113 and is specifically molded to define a continuous vertical wall 148 near the perimeter edge 122 of shelf panel 113 forming a spill dam 2~~. ~d~~
1 for containing spills occurring upon the shelf member 112 (Figs. 4, 6 and 8).
The seal between rim 118 and shelf panel 113 may be enhanced by coating perimeter edge 122 and the top 146 and bottom 150 surfaces of shelf panel 113 near perimeter edge 122 with a primer layer of a heat activatable, resinous material as described above.
A shelf pull 180 is molded along the front edge 154 of shelf member 112 by extending the lower edge 178 of rim 118 downwardly (Fig. 4). Further, as shown in Fig. 4, a decorative trim piece 152 may be molded into rim 118 along the front edge 154 of shelf member 112. A decorative trim piece 156 may also be molded into rim 118 along the rear edge 158 of shelf member 112 (Fig. 8).
As is best seen in Figs. 2 and 6, a generally V-shaped channel is preferably molded into the outwardly facing side surface of each side portion 160 and 162 of rim 118 to define slide guides 166. A corresponding, generally V-shaped ridge 167 is formed along the tap edges 126 of each support bracket 114 and 116 defining slide rails 170 for sliding engagement with the slide guides.
The support brackets 114 and 116 of shelf assembly 110 are mirror image replicas of each other, having rear ends 140 and 1.42 identical to bracket ends 40 and 42 of brackets 14 and 16, and preferably adapted for releasable engagement with shelf tracks 44. Tracks 44 are provided on rear wall 20 of the refrigerator as is commonly practiced for vertically adjustable shelf positioning of the shelf assembly 110 along tracks 44. A pair of cross braces 132 and 134 connecting between webs 128 and 130 of support brackets 114 and 116 are provided for holding the support ra .~"
1 brackets in spaced relation to each other. Brace i32 is connected to each web 128 and 130 near the forward ends 136 and 138 of brackets 114 and 116. Brace 134 is connected to each web 128 arid 130 at a position approximately one-third to one-half of the length of brackets 114 and 116 forward of ends 140 and 142. Cross braces 132 and 134 are required in sliding shelf assembly 110 to stabilize the support brackets 114 and 116 and to maintain the proper positioning of front ends 136 and 138 of the brackets, precluding the front ends from spreading apart as a load is applied to the shelf assembly 110. Shelf assembly 110 also includes one of several embodiments 210, 310, 410, 510, 610 or 710 of a shelf stop to preclude the inadvertent overextension of the slideable shelf.
A first alternative embodiment of a shelf stop is shown in Figs. 10-13 comprising a lever 210 mounted on a pivot rod 212 and a pair of pivot rod mounts 214 and 216 projecting downward from the rear edge 158 of shelf member 112, near bottom surface 150. Lever 210 has a top end 218 which projects above the perimeter rim 118 for manipulation by a user. Lever 210 also has a lower end 220 defining a catch 222 for engagement with cross braces 132 and 134. As the shelf member 112 is slid forward, the catch 222 approaches and engages the brace 134 precluding further extension of the shelf. The relative position of brace 134 controls the extension of shelf member 112 and is preferably approximately one-third to one-half the length of brackets 114 and 116 forward of ends 140 and 142. The shelf stop may be released by sliding the shelf rearward sufficiently to move catch 222 away from brace 134 and moving the lever 210 to a release position as shown in phantom in Fig. 13. Lever 1 210 is easily pivoted to the release position by pressing rearward on face 219 of lever 210 near its top end 218.
With the lever in the release position, the catch 222 can slide above and past the brace 134. If the lever 210 is released to pass brace 134 and allowed to return to its latch position, the catch 222 will engage the other brace 132 as the shelf member 112 is extended. By keeping the lever 210 in the release position, shelf member 112 can be fully removed. A return spring 217 may be mounted with lever 210 to bias the lever to the latch position.
Alternatively, lever 210 may be designed so that the force of gravity is sufficient to bias the lever to the latch position.
A second, alternative shelf stop embodiment is shown in Figs. 14 and 15 comprising a slot 310 cut into at least one slide rail 168 and 170 and a cooperating stop pin 312 mounted in a fixed position and projecting from perimeter rim 118 at the corresponding slide guide 164 and 166 into the slot 310. The slot 310 has a front end wall 314 and a rear end wall (not shown) to limit the movement of pin 312 for limiting the extension and retraction of shelf assembly 110. The length and position of the slot 310 in combination with the position of the stop pin 312 will dictate the length of extension for shelf member 112, which is preferably in the range of one-third to one-half the length of the shelf support brackets 114 and 116. Use of this shelf stop embodiment generally precludes the removal of the shelf member 112 from the support brackets 114 and 116, but does not inhibit the removal of the entire shelf assembly 110 from the refrigerator compartment. Brackets 114 and 116 must be assembled to shelf member 112 with stop -12°
1 pins 312 received in slots 310 before mounting the entire assembly on tracks 44.
A third, alternative embodiment of a shelf stop is shown in Figs. 16 and 17 comprising a formed metal clip 410 mounted to the bottom surface 172 of the perimeter rim 118 along at least one side portion 7.74 and 176 of the rim 118.
The clip 410 is configured with an inclined front abutting surface 412 for engagement with a cross brace 132 or 134 to limit the extension of the shelf member 112. The relative position of clip 410 will determine the extension of shelf member 112. Clip 410 is preferably bent from a strap of steel or formed from other resilient material so that the clip 410 will deform when forced past the cross brace and will resume its original configuration once past the cross brace. Clip 410 is preferably removably mounted to the perimeter rim 118 by a screw 414 so that it can be removed rather than requiring that it be forced past the cross brace during assembly and disassembly of the shelf assembly 110.
Alternately, the shelf assembly can be removed from tracks 44 arid disassembled.
A fourth, alternative embodiment of a shelf stop is shown in Figs. 18-20 comprising a detent 510 pressed out of the side 178 of at least one of the slide rails 168 and 170 and a corresponding groove or channel 512 cut or molded into the side of the corresponding slide guide 164 and 166.
The relative position of detent 510 and the relative position and length of channel 512 will control the extension of shelf member 112. Again, the brackets with slide rails 168 and 170 are assembled to shelf 112 such that detent 510 is received in channel 512 prior to mounting the entire assembly in tracks 44.
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1 A fifth, alternative shelf stop is shown in Figs.
21-23 comprising a detent 610 projecting from the end of a flexible finger 612 formed in at least one of the slide rails 168 and 170 and a notch 614 cut or molded into the side of the corresponding slide guide 164 and 166. Again, the relative positioning of the detent and notch will determine the extension of shelf member 112. Also, shelf member 112 can be removed from the support brackets 114 and 116 by forcing 'the notch 614 past the resilient detent 610.
A sixth, alternative shelf stop embodiment is shown in Figs. 24-26 comprising a groove 710 formed in at least one of slide rails 168 and 170 and a cooperating protrusion 712 formed on the corresponding slide guide 164 and 166. An inclined caroming surface 714 with an end wall 716 projecting into the groove 710 is formed over a portion of the length of the groove 710. The protrusion 712 is molded with a cooperating inclined caroming surface 718 and upstanding end wall 720 so that the shelf member 112 can be assembled by sliding the shelf member 112 into the front ends 140 and 142 of support brackets 114 and 116 and forcing protrusion 712 past the stop wall 716 in the groove. The perimeter rim 118 material of which the protrusion 712 is formed is sufficiently flexible and resilient so that protrusion 712 will deform as its caroming surface 718 engages and slides over the caroming surface 714 of the rail groove 710 and will resume its undeformed configuration once end wall 720 is past the stop end wall 716. Removal of shelf member 112 must be accomplished by removal of the entire assembly from tracks 44 followed by removing brackets 114 and 116 from the slide rails 168 and 170.
While alternative embodiments of the invention have been shown and described, other forms will now be apparent to one skilled in the art. Therefore, it will be understood that the embodiments shown in the drawings and described above are merely for illustrative purposes and are not intended to limit the scope of the invention which is defined by the claims which follow.
Claims
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
A shelf for use in a refrigerated compartment comprising:
a shelf member, said member including a generally planar shelf panel, said panel having a top surface for receiving and supporting an article set thereupon and a perimeter edge thereabout, and including a rim molded from a resinous, moldable material around said perimeter edge, said molded rim providing a liquid tight seal between the shelf member and rim formed during molding to prevent collection and spoilage of liquids therebetween; and support means for supporting said shelf member.
The shelf as defined in Claim 1 wherein said shelf member comprises tempered glass and said liquid tight seal is enhanced by the application of a primer layer to said shelf member, between said shelf member and said rim.
The shelf as defined in Claim 1 wherein said shelf further includes slide means adapted for sliding connection between said rim and said support means so that said shelf member may be slid between a retracted position and an extended position.
The shelf as defined in Claim 1 wherein said rim projects above said tap surface to define a spill dam so that a liquid disposed upon said top surface is contained by said rim and does not flow around the edge of said shelf panel.
The shelf as defined in Claim 4 wherein said rim is molded around at least a portion of said support means so that said shelf member and said support means are secured together by said rim.
The shelf as defined in Claim 5 wherein said support means includes at least one bracket cantilevered from a wall of a refrigerated compartment to provide air flow space around the periphery of said shelf, said bracket being adapted for removable connection to the wall and the wall being adapted for removably receiving said bracket at a plurality of vertically spaced positions so that said shelf can be located at a plurality of vertical positions.
The shelf as defined in Claim 5 wherein said shelf further includes slide means adapted for sliding connection between said rim and said support means so that said shelf member may be slid between a retracted position and an extended position.
The shelf as defined in Claim 7 wherein said shelf member has first and second sides, said sides being opposite from each other, and said support means includes first and second brackets, said first bracket being connected by said slide means to said first side, said second bracket being connected by said slide means to said second side, said brackets being adapted for cantilevering said shelf member from a wall of a refrigerated compartment and for removably connecting to said wall.
The shelf as defined in Claim 8 wherein said wall is adapted to removably receive said brackets at a plurality of vertically spaced positions so that said shelf may be supported at said plurality of vertical locations.
The shelf as defined in Claim 9 wherein said slide means includes a slide guide defined along each of said first and second sides of said shelf member and includes a cooperating slide rail defined along each of said first and second brackets.
The shelf as defined in Claim 10 wherein said shelf member further includes stop means for limiting the sliding extension of said shelf member.
The shelf as defined in Claim 11 wherein said shelf member has a rear edge and at least one cross brace connected between said first and second brackets; said stop means including a lever pivotally connected to said shelf member at said rear edge, said lever being pivotable between a latch position wherein said lever engages said cross brace to limit the extension of said shelf member and a release position wherein said lever does not engage said cross brace and the extension of said shelf member is not limited.
The shelf as defined in Claim 11 wherein said shelf stop includes a slot defined in at least one of said slide rails and a cooperating stop pin projecting from the corresponding slide guide, said pin projecting into said slot and said slot having front and rear end walls so that said stop pin can engage said front end wall to limit extension of said shelf member and said stop pin can engage said rear end wall to limit the retraction of said shelf member.
The shelf as defined in Claim 11 wherein said shelf member has a bottom surface; at least one cross brace being connected between said first and second brackets; said stop means including a clip removably fastened to said bottom surface, said clip having an abutting surface which projects downwardly from said bottom surface for engaging said cross brace to limit the extension of said shelf member.
The shelf as defined in Claim 11 wherein said stop means includes a channel defined in at least one of said slide guides and a cooperating detent projecting into said channel from the corresponding side rail, said channel having at least one end wall and said detent engaging said end wall to limit the extension of said shelf member.
The shelf as defined in Claim 11 wherein said stop means includes a decent projecting from a flexible finger, said finger formed in one of said slide rails, said detent projecting toward the corresponding slide guide; said slide guide including a notch for engagement with said detent so that said detent can engage said notch and limit the extension of said shelf member.
The shelf as defined in Claim 11 wherein said stop means includes a groove defined in at least one of said slide rails and a corresponding protrusion for sliding in said groove formed on the corresponding slide guide, said groove having an end wall formed therein for engagement with said protrusion to limit the extension of said shelf member.
A shelf for use in a refrigerated compartment comprising:
a generally planar shelf member, said member having a top surface for receiving and supporting an article set thereupon and a perimeter edge;
support means for supporting said shelf member;
and a rim molded from a resinous, moldable material around said perimeter edge and at least a portion of said support means so that said shelf member and said support means are secured together by said rim.
The shelf as defined in Claim 18 wherein a liquid tight seal is formed between said rim and said shelf member and said rim projects above said top surface so that a liquid disposed upon said top surface is contained by said rim and does not flow around the edge of said shelf member.
The shelf as defined in Claim 19 wherein said shelf member comprises tempered glass and said liquid tight seal is enhanced by the application of a primer layer to said shelf member, between said shelf member and said rim.
The shelf as defined in Claim 20 wherein said shelf member comprises a light transmitting material.
The shelf as defined in Claim 21 wherein said shelf member comprises tempered glass.
The shelf as defined in Claim 19 wherein said support means includes at least one bracket member adapted to be cantilevered from a wall of a refrigerated compartment.
The shelf as defined in Claim 23 wherein said bracket is removably connected to a refrigerator wall to provide air flow space around the periphery of said shelf and the wall is adapted to removably receive said bracket at a plurality of vertically spaced positions so that said bracket and shelf can be cantilevered from the wall at a plurality of vertical positions.
A slideable shelf for use in a refrigerated compartment comprising:
a shelf member, said member having a generally planar shelf panel with a top surface for receiving and supporting an article set thereupon and a perimeter edge and having a rim molded from a resinous, moldable material around said perimeter edge;
support means for supporting said shelf member;
and slide means adapted for sliding connection between said rim and said support means whereby said shelf member may be slid between an extended position and a retracted position.
The shelf as defined in Claim 25 wherein a liquid tight seal is formed between said rim and said shelf panel and wherein said rim projects above said top surface to define a spill dam so that a liquid disposed upon said top surface is contained by said rim and does not flow around the edge of said shelf panel.
The shelf as defined in Claim 26 wherein said shelf member has first and second sides, said sides being opposite from each other, and wherein said support means includes first and second brackets, said first bracket being connected by said slide means to said first side, said second bracket being connected by said slide means to said second side, said brackets being adapted for cantilevering said shelf member from a wall of a refrigerated compartment and for removably connecting to said wall.
The shelf as defined in Claim 27 wherein said wall is adapted to removably receive said brackets at a plurality of vertically spaced positions so that said shelf may be supported at said plurality of vertical locations.
The shelf as defined in Claim 28 wherein said slide means includes a slide guide defined along each of said first and second sides of said shelf member and includes a cooperating slide rail defined along each of said first and second brackets.
The shelf as defined in Claim 29 wherein said shelf further includes stop means for limiting the sliding extension of said shelf member.
The shelf as defined in Claim 30 wherein said shelf means has a rear edge and at least one cross brace connected between said first and second brackets; said stop means including a lever pivotally connected to said shelf member at said rear edge, said lever being pivotable between a latch position wherein said lever engages said cross brace to limit the extension of said shelf member and a release position wherein said lever does not engage said cross brace and the extension of said shelf member is not limited.
The shelf as defined in Claim 30 wherein said shelf stop includes a slot defined in at least one of said slide rails and a cooperating stop pin projecting from the corresponding slide guide, said pin projecting into said slot and said slot having front and rear end walls so that said stop pin can engage said front end wall to limit extension of said shelf member and said stop pin can engage said rear end wall to limit the retraction of said shelf member.
The shelf as defined in Claim 30 wherein said shelf member has a bottom surface; at least one cross brace being connected between said first and second brackets; said stop means including a clip removably fastened to said bottom surface, said clip having an abutting surface which projects downwardly from said bottom surface for engaging said cross brace to limit the extension of said shelf member.
The shelf as defined in Claim 30 wherein said stop means includes a channel defined in at least one of said slide guides and a cooperating detent projecting into said channel from the corresponding side rail, said channel having at least one end wall and said detent engaging said end wall to limit the extension of said shelf member.
The shelf as defined in Claim 30 wherein said stop means includes a detent projecting from a flexible finger, said finger formed in one of said slide rails, said decent projecting toward the corresponding slide guide; said slide guide including a notch for engagement with said detent so that said detent can engage said notch and limit the extension of said shelf member.
The shelf as defined in Claim 30 wherein said stop means includes a groove defined in at least one of said slide rails and a corresponding protrusion for sliding in said groove formed on the corresponding slide guide, said groove having an end wall formed therein for engagement with said protrusion to limit the extension of said shelf member.
A shelf for use in a refrigerated compartment comprising:
a shelf member, said member including a generally planar shelf panel, said panel having a top surface for receiving and supporting an article set thereupon and a perimeter edge thereabout, and including a rim molded from a resinous, moldable material around said perimeter edge, said molded rim providing a liquid tight seal between the shelf member and rim formed during molding to prevent collection and spoilage of liquids therebetween; and support means for supporting said shelf member.
The shelf as defined in Claim 1 wherein said shelf member comprises tempered glass and said liquid tight seal is enhanced by the application of a primer layer to said shelf member, between said shelf member and said rim.
The shelf as defined in Claim 1 wherein said shelf further includes slide means adapted for sliding connection between said rim and said support means so that said shelf member may be slid between a retracted position and an extended position.
The shelf as defined in Claim 1 wherein said rim projects above said tap surface to define a spill dam so that a liquid disposed upon said top surface is contained by said rim and does not flow around the edge of said shelf panel.
The shelf as defined in Claim 4 wherein said rim is molded around at least a portion of said support means so that said shelf member and said support means are secured together by said rim.
The shelf as defined in Claim 5 wherein said support means includes at least one bracket cantilevered from a wall of a refrigerated compartment to provide air flow space around the periphery of said shelf, said bracket being adapted for removable connection to the wall and the wall being adapted for removably receiving said bracket at a plurality of vertically spaced positions so that said shelf can be located at a plurality of vertical positions.
The shelf as defined in Claim 5 wherein said shelf further includes slide means adapted for sliding connection between said rim and said support means so that said shelf member may be slid between a retracted position and an extended position.
The shelf as defined in Claim 7 wherein said shelf member has first and second sides, said sides being opposite from each other, and said support means includes first and second brackets, said first bracket being connected by said slide means to said first side, said second bracket being connected by said slide means to said second side, said brackets being adapted for cantilevering said shelf member from a wall of a refrigerated compartment and for removably connecting to said wall.
The shelf as defined in Claim 8 wherein said wall is adapted to removably receive said brackets at a plurality of vertically spaced positions so that said shelf may be supported at said plurality of vertical locations.
The shelf as defined in Claim 9 wherein said slide means includes a slide guide defined along each of said first and second sides of said shelf member and includes a cooperating slide rail defined along each of said first and second brackets.
The shelf as defined in Claim 10 wherein said shelf member further includes stop means for limiting the sliding extension of said shelf member.
The shelf as defined in Claim 11 wherein said shelf member has a rear edge and at least one cross brace connected between said first and second brackets; said stop means including a lever pivotally connected to said shelf member at said rear edge, said lever being pivotable between a latch position wherein said lever engages said cross brace to limit the extension of said shelf member and a release position wherein said lever does not engage said cross brace and the extension of said shelf member is not limited.
The shelf as defined in Claim 11 wherein said shelf stop includes a slot defined in at least one of said slide rails and a cooperating stop pin projecting from the corresponding slide guide, said pin projecting into said slot and said slot having front and rear end walls so that said stop pin can engage said front end wall to limit extension of said shelf member and said stop pin can engage said rear end wall to limit the retraction of said shelf member.
The shelf as defined in Claim 11 wherein said shelf member has a bottom surface; at least one cross brace being connected between said first and second brackets; said stop means including a clip removably fastened to said bottom surface, said clip having an abutting surface which projects downwardly from said bottom surface for engaging said cross brace to limit the extension of said shelf member.
The shelf as defined in Claim 11 wherein said stop means includes a channel defined in at least one of said slide guides and a cooperating detent projecting into said channel from the corresponding side rail, said channel having at least one end wall and said detent engaging said end wall to limit the extension of said shelf member.
The shelf as defined in Claim 11 wherein said stop means includes a decent projecting from a flexible finger, said finger formed in one of said slide rails, said detent projecting toward the corresponding slide guide; said slide guide including a notch for engagement with said detent so that said detent can engage said notch and limit the extension of said shelf member.
The shelf as defined in Claim 11 wherein said stop means includes a groove defined in at least one of said slide rails and a corresponding protrusion for sliding in said groove formed on the corresponding slide guide, said groove having an end wall formed therein for engagement with said protrusion to limit the extension of said shelf member.
A shelf for use in a refrigerated compartment comprising:
a generally planar shelf member, said member having a top surface for receiving and supporting an article set thereupon and a perimeter edge;
support means for supporting said shelf member;
and a rim molded from a resinous, moldable material around said perimeter edge and at least a portion of said support means so that said shelf member and said support means are secured together by said rim.
The shelf as defined in Claim 18 wherein a liquid tight seal is formed between said rim and said shelf member and said rim projects above said top surface so that a liquid disposed upon said top surface is contained by said rim and does not flow around the edge of said shelf member.
The shelf as defined in Claim 19 wherein said shelf member comprises tempered glass and said liquid tight seal is enhanced by the application of a primer layer to said shelf member, between said shelf member and said rim.
The shelf as defined in Claim 20 wherein said shelf member comprises a light transmitting material.
The shelf as defined in Claim 21 wherein said shelf member comprises tempered glass.
The shelf as defined in Claim 19 wherein said support means includes at least one bracket member adapted to be cantilevered from a wall of a refrigerated compartment.
The shelf as defined in Claim 23 wherein said bracket is removably connected to a refrigerator wall to provide air flow space around the periphery of said shelf and the wall is adapted to removably receive said bracket at a plurality of vertically spaced positions so that said bracket and shelf can be cantilevered from the wall at a plurality of vertical positions.
A slideable shelf for use in a refrigerated compartment comprising:
a shelf member, said member having a generally planar shelf panel with a top surface for receiving and supporting an article set thereupon and a perimeter edge and having a rim molded from a resinous, moldable material around said perimeter edge;
support means for supporting said shelf member;
and slide means adapted for sliding connection between said rim and said support means whereby said shelf member may be slid between an extended position and a retracted position.
The shelf as defined in Claim 25 wherein a liquid tight seal is formed between said rim and said shelf panel and wherein said rim projects above said top surface to define a spill dam so that a liquid disposed upon said top surface is contained by said rim and does not flow around the edge of said shelf panel.
The shelf as defined in Claim 26 wherein said shelf member has first and second sides, said sides being opposite from each other, and wherein said support means includes first and second brackets, said first bracket being connected by said slide means to said first side, said second bracket being connected by said slide means to said second side, said brackets being adapted for cantilevering said shelf member from a wall of a refrigerated compartment and for removably connecting to said wall.
The shelf as defined in Claim 27 wherein said wall is adapted to removably receive said brackets at a plurality of vertically spaced positions so that said shelf may be supported at said plurality of vertical locations.
The shelf as defined in Claim 28 wherein said slide means includes a slide guide defined along each of said first and second sides of said shelf member and includes a cooperating slide rail defined along each of said first and second brackets.
The shelf as defined in Claim 29 wherein said shelf further includes stop means for limiting the sliding extension of said shelf member.
The shelf as defined in Claim 30 wherein said shelf means has a rear edge and at least one cross brace connected between said first and second brackets; said stop means including a lever pivotally connected to said shelf member at said rear edge, said lever being pivotable between a latch position wherein said lever engages said cross brace to limit the extension of said shelf member and a release position wherein said lever does not engage said cross brace and the extension of said shelf member is not limited.
The shelf as defined in Claim 30 wherein said shelf stop includes a slot defined in at least one of said slide rails and a cooperating stop pin projecting from the corresponding slide guide, said pin projecting into said slot and said slot having front and rear end walls so that said stop pin can engage said front end wall to limit extension of said shelf member and said stop pin can engage said rear end wall to limit the retraction of said shelf member.
The shelf as defined in Claim 30 wherein said shelf member has a bottom surface; at least one cross brace being connected between said first and second brackets; said stop means including a clip removably fastened to said bottom surface, said clip having an abutting surface which projects downwardly from said bottom surface for engaging said cross brace to limit the extension of said shelf member.
The shelf as defined in Claim 30 wherein said stop means includes a channel defined in at least one of said slide guides and a cooperating detent projecting into said channel from the corresponding side rail, said channel having at least one end wall and said detent engaging said end wall to limit the extension of said shelf member.
The shelf as defined in Claim 30 wherein said stop means includes a detent projecting from a flexible finger, said finger formed in one of said slide rails, said decent projecting toward the corresponding slide guide; said slide guide including a notch for engagement with said detent so that said detent can engage said notch and limit the extension of said shelf member.
The shelf as defined in Claim 30 wherein said stop means includes a groove defined in at least one of said slide rails and a corresponding protrusion for sliding in said groove formed on the corresponding slide guide, said groove having an end wall formed therein for engagement with said protrusion to limit the extension of said shelf member.
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US07/665,661 US5362145A (en) | 1991-03-07 | 1991-03-07 | Molded refrigerator shelf |
US07/665,661 | 1991-03-07 |
Publications (2)
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CA2061341A1 CA2061341A1 (en) | 1992-09-08 |
CA2061341C true CA2061341C (en) | 2000-10-17 |
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CA002061341A Expired - Lifetime CA2061341C (en) | 1991-03-07 | 1992-02-17 | Molded refrigerator shelf |
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US (2) | US5362145A (en) |
EP (1) | EP0507455B1 (en) |
CA (1) | CA2061341C (en) |
DE (1) | DE69216269T2 (en) |
ES (1) | ES2095398T3 (en) |
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DE9004180U1 (en) * | 1990-04-10 | 1991-08-08 | Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De | |
DE9006513U1 (en) * | 1990-06-08 | 1990-08-16 | Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De | |
DE9011291U1 (en) * | 1990-08-01 | 1990-10-04 | Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De | |
US5362145A (en) * | 1991-03-07 | 1994-11-08 | Donnelly Corporation | Molded refrigerator shelf |
-
1991
- 1991-03-07 US US07/665,661 patent/US5362145A/en not_active Expired - Lifetime
-
1992
- 1992-02-17 CA CA002061341A patent/CA2061341C/en not_active Expired - Lifetime
- 1992-03-06 DE DE69216269T patent/DE69216269T2/en not_active Expired - Lifetime
- 1992-03-06 EP EP92301928A patent/EP0507455B1/en not_active Expired - Lifetime
- 1992-03-06 ES ES92301928T patent/ES2095398T3/en not_active Expired - Lifetime
-
1994
- 1994-06-29 US US08/268,197 patent/US5429433A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105937831A (en) * | 2016-06-21 | 2016-09-14 | 苏州市灵通玻璃制品有限公司 | Refrigerator glass shelf |
Also Published As
Publication number | Publication date |
---|---|
EP0507455A2 (en) | 1992-10-07 |
DE69216269D1 (en) | 1997-02-13 |
EP0507455B1 (en) | 1997-01-02 |
EP0507455A3 (en) | 1992-10-28 |
DE69216269T2 (en) | 1997-06-12 |
CA2061341A1 (en) | 1992-09-08 |
ES2095398T3 (en) | 1997-02-16 |
US5362145A (en) | 1994-11-08 |
US5429433A (en) | 1995-07-04 |
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Legal Events
Date | Code | Title | Description |
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EEER | Examination request | ||
MKEX | Expiry |