CA1037908A - Cabinet sliding cantilever shelf - Google Patents
Cabinet sliding cantilever shelfInfo
- Publication number
- CA1037908A CA1037908A CA229,458A CA229458A CA1037908A CA 1037908 A CA1037908 A CA 1037908A CA 229458 A CA229458 A CA 229458A CA 1037908 A CA1037908 A CA 1037908A
- Authority
- CA
- Canada
- Prior art keywords
- shelf
- frame
- arrangement
- shelf arrangement
- track means
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/0043—Show shelves
-
- 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
Landscapes
- Assembled Shelves (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A shelf arrangement for a refrigerator or similar appliance comprises a pair of bracket members interconnected by spacer rods to form a frame which may be cantilevered from stringers on a rear wall of the appliance. The brackets have track means upon which a wire shelf is slidable. The track means includes a pair of spaced horizontal surfaces intermediate the ends of which and superior thereto is located a member which limits the forward travel of the shelf by engaging an upturned heel on the shelf. When the shelf is tilted up it may be completely withdrawn from the frame. Means transversely adjustable on a front spacer rod is provided to centre the shelf and support forward portions.
A shelf arrangement for a refrigerator or similar appliance comprises a pair of bracket members interconnected by spacer rods to form a frame which may be cantilevered from stringers on a rear wall of the appliance. The brackets have track means upon which a wire shelf is slidable. The track means includes a pair of spaced horizontal surfaces intermediate the ends of which and superior thereto is located a member which limits the forward travel of the shelf by engaging an upturned heel on the shelf. When the shelf is tilted up it may be completely withdrawn from the frame. Means transversely adjustable on a front spacer rod is provided to centre the shelf and support forward portions.
Description
~37~
This invention relates to shelving and has paxticular regard to a novel shelving system for use in refrigerators or similar appliances In refrigerators and other types of storage cabinets it is known to provide shelves t~hich may be partially withdrawn from the cablnet in order to provide a better acces~ibility to the articles stored on the rear of the shelves. It is further known to provide shelving which is supported by brackets, which may be integral with the shelves or otherwise, the brackets being cantilevered from the back wall of the cabinet. My invention proposes cantilevered sliding shelves of a simple and reliable construction.
One of the problems connected with the fulfillment of my invention concerns manufacturing tolerances. In general these may be relatively high in the shelving systems referred to. Their cumulative effect is often such as to enable the shelves to skew and or cause them to bind in their runners.
A further aspect of my invention contemplates a shelving system of the above type wherein this problem is es~entially ;
overcome. Still further aspects of my invention will be `
set forth in the accompanying description thereof.
Briefly stated, the cabinet shelving system which compri~es my invention includes a generally rigid supporting frame formed by a pair of parallel bracket members which are -~
adapted to bP cantilevered from a rear wall of the cabinet, interconnected by transverse spacing means. A track means is located intermediate the ends of each bracket to be inwardly facing. The track means comprises horizontally aligned and ~paced first and second bearing suraces;
superior to the bearing surfaces and intermediate their adja~ent ends is located a blocking member. A shelf is supported by side portions thereof which are slidable on the :,.. ~. .,. , , . ~ .
- , . , , . . ~ , .
.. . .. .
J.q)37~1~8 bearing surfaces. The shelf has; an upwardly inclined rear edge or heel proportioned to enc;age the blocking member when the shelf is pulled forward, thereby limiting its travel.
Further travel whereby the shelf may ~ completely withdrawn for the purpose of cleaning, for example, may be occa3ioned by upwardly rotating the shelf about the heel, and simultaneously withdrawing the shelf. This has the effect of dropping the heel partially into the spacing between the bearing members such that the heel passes beneath ~he blocking member.
- The blocXing member serves the further function of preventing the shelf from overbalancing either rearwardly or forwardly. Generally a front support slide for the shelf is also provided adjacent to the distal ends of the support bracket to prevent the shelf from tipping forwardly. The ~earing surfaces of the track means are desirably planar and of adequate width to permit lateral movement of the qhelf thereon within all likely tolerance variations in shelf width ~-~
and frame width. Alignment of the shelf within its ~rame is ~
accomplished by providing a shelf centering means transversely ;
adjustable on the frame at a forward portion thereo to ena~le ~ -the shelf to be slid without skewing or binding.
My inYention will be made more clear from the ensuing description of a preferred embodiment thereof, as illustrated in the accompanyin~ figures wherein: ;
Figure 1 shows my shelf arrangement in general form in perspective; ~ -Figure 2 shows the above arrangement in greater detail, partially exploded;
Figure 3 shows a side elevation of the shelf arrangement.
This invention relates to shelving and has paxticular regard to a novel shelving system for use in refrigerators or similar appliances In refrigerators and other types of storage cabinets it is known to provide shelves t~hich may be partially withdrawn from the cablnet in order to provide a better acces~ibility to the articles stored on the rear of the shelves. It is further known to provide shelving which is supported by brackets, which may be integral with the shelves or otherwise, the brackets being cantilevered from the back wall of the cabinet. My invention proposes cantilevered sliding shelves of a simple and reliable construction.
One of the problems connected with the fulfillment of my invention concerns manufacturing tolerances. In general these may be relatively high in the shelving systems referred to. Their cumulative effect is often such as to enable the shelves to skew and or cause them to bind in their runners.
A further aspect of my invention contemplates a shelving system of the above type wherein this problem is es~entially ;
overcome. Still further aspects of my invention will be `
set forth in the accompanying description thereof.
Briefly stated, the cabinet shelving system which compri~es my invention includes a generally rigid supporting frame formed by a pair of parallel bracket members which are -~
adapted to bP cantilevered from a rear wall of the cabinet, interconnected by transverse spacing means. A track means is located intermediate the ends of each bracket to be inwardly facing. The track means comprises horizontally aligned and ~paced first and second bearing suraces;
superior to the bearing surfaces and intermediate their adja~ent ends is located a blocking member. A shelf is supported by side portions thereof which are slidable on the :,.. ~. .,. , , . ~ .
- , . , , . . ~ , .
.. . .. .
J.q)37~1~8 bearing surfaces. The shelf has; an upwardly inclined rear edge or heel proportioned to enc;age the blocking member when the shelf is pulled forward, thereby limiting its travel.
Further travel whereby the shelf may ~ completely withdrawn for the purpose of cleaning, for example, may be occa3ioned by upwardly rotating the shelf about the heel, and simultaneously withdrawing the shelf. This has the effect of dropping the heel partially into the spacing between the bearing members such that the heel passes beneath ~he blocking member.
- The blocXing member serves the further function of preventing the shelf from overbalancing either rearwardly or forwardly. Generally a front support slide for the shelf is also provided adjacent to the distal ends of the support bracket to prevent the shelf from tipping forwardly. The ~earing surfaces of the track means are desirably planar and of adequate width to permit lateral movement of the qhelf thereon within all likely tolerance variations in shelf width ~-~
and frame width. Alignment of the shelf within its ~rame is ~
accomplished by providing a shelf centering means transversely ;
adjustable on the frame at a forward portion thereo to ena~le ~ -the shelf to be slid without skewing or binding.
My inYention will be made more clear from the ensuing description of a preferred embodiment thereof, as illustrated in the accompanyin~ figures wherein: ;
Figure 1 shows my shelf arrangement in general form in perspective; ~ -Figure 2 shows the above arrangement in greater detail, partially exploded;
Figure 3 shows a side elevation of the shelf arrangement.
- 2 - ~ 5 ' ~q~7~
Referring now to the fiqures, a refrigerator or similar cabinet wall structura is indicated by the numeral 10;
~tringer memb2rs 12 are ~ecured to the rear wall of the cabinet. The stringer members are ea~h perforated to form a series of slots 14. My shelf arrangement is shown generally as 20, ~d comprises a relatively rigid frame structure 21 formed by parallel bracXet members 22 interconnected by transverse spacing means comprising rod members 23 and 24. ;~
Frame 21 is cantilevered from the rear wall of cabinet 10 by hooks 26 which engage in selected slots 14 of stringers 12.
To the inside of each bracket member 22 is secured a track means 28 using screws 30. Track msans 28 comprises a first horizontal bearing surface 32 and aligned therewith and spaced forwardly thereof a second horizontal bearing surface 34. Intermediate the adjacent ends of bearing sur~aces 32 and 34 and superior thereto is located a blocking member 36. `
Shelf arrangement 20 further comprises a shelf 40 the side portions 42 of which are slidably ~upported on bearing surfaces 32 and 34. Blocking member 36 is located a sufficient distance above the bearing surfaces to permit side portions 42 to slide easily between the bearing surfaces and the under surface of the blocking member; however the clearance is desirably restricted as blocking member 36 serves to retain shelf 40 in the horizontal position should the rear of the shelf be overladen when the shelf is in its closed po~ition.
The rear edge of shelf 40 is upturned at 44 to form a heel, thereby reducing a~ tendency of stored article~ to fall from the rear of the shelf. As shelf 40 is withdrawn from frame 21, heel 44 engages blocking memher 36 to provide a positive limit to the travel of the shelf. The heel 44 is proportioned so that it will pass beneath blocking mem~er 36 -
Referring now to the fiqures, a refrigerator or similar cabinet wall structura is indicated by the numeral 10;
~tringer memb2rs 12 are ~ecured to the rear wall of the cabinet. The stringer members are ea~h perforated to form a series of slots 14. My shelf arrangement is shown generally as 20, ~d comprises a relatively rigid frame structure 21 formed by parallel bracXet members 22 interconnected by transverse spacing means comprising rod members 23 and 24. ;~
Frame 21 is cantilevered from the rear wall of cabinet 10 by hooks 26 which engage in selected slots 14 of stringers 12.
To the inside of each bracket member 22 is secured a track means 28 using screws 30. Track msans 28 comprises a first horizontal bearing surface 32 and aligned therewith and spaced forwardly thereof a second horizontal bearing surface 34. Intermediate the adjacent ends of bearing sur~aces 32 and 34 and superior thereto is located a blocking member 36. `
Shelf arrangement 20 further comprises a shelf 40 the side portions 42 of which are slidably ~upported on bearing surfaces 32 and 34. Blocking member 36 is located a sufficient distance above the bearing surfaces to permit side portions 42 to slide easily between the bearing surfaces and the under surface of the blocking member; however the clearance is desirably restricted as blocking member 36 serves to retain shelf 40 in the horizontal position should the rear of the shelf be overladen when the shelf is in its closed po~ition.
The rear edge of shelf 40 is upturned at 44 to form a heel, thereby reducing a~ tendency of stored article~ to fall from the rear of the shelf. As shelf 40 is withdrawn from frame 21, heel 44 engages blocking memher 36 to provide a positive limit to the travel of the shelf. The heel 44 is proportioned so that it will pass beneath blocking mem~er 36 -
- 3 -~ 1~37~
as the shelf i8 simultaneously pulled forward and rotated about the rear portion of the shelf. This action may be ~een mo~t clearly in Figure 3. In this manner shelf 40 may be withdrawn completely from frame 21 for the purpose of cleaning, for example.
It is generally desirable that shelf 40 be of an open construction in order to facilitate air circulation within !
the cabinet. The wire shelf illustrated is of a gen2rally well known construction in the art wherein a relatively heavy gauge wire forms at least the side peripheral edges shown as 42 of the shelf, smaller diameter wires being use~ intermediate the side wires. Whilst the width of a shelf may be relatively ~ -~
constant, variation is found between different shelves. Taken ; -~
in conjunction with variations found in the widths of frame~
21 the lateral spacing between a bracket member 22 and a side wire 42 may vary considerably in different shelf-frame combinations. The bearing surfaces of track means 28 are ~ ~-generally planar and of ~ufficient width to accomodate variations spoken of. Additionally, the inner edge of the ~ ;~
bearing surface may be upturned to form a lip 33 and the inner edge of blocking member 36 downturned to form lip 37.
The spacing between lips 33 and 37 is arranged to be less i than the diameter of the wire edges 42 of shelf 40. This expedient has the advantage of preventing shelf 40 from sliding laterally from the bearing surfaces of track means 28, and also in reducing the tendency of the shelf to skew on the track means.
Skewing is further controlled by providing a shelf `~ ~
centering means located adjacent the forward edge of the ~ `-shelf where the latter is in its stored position. The centering means is transversely adjustable on the frame 21.
~7~
Since the frame includes a transverse rod member 24 th~s provides an ideal support from the centering means. Whilst it is possible to support shelf 40 in frame 21 entirely by the use of track means ~8t it i91 considered preferable to employ a shelf support forward of the track means. In the illustrated embodiment a front shelf support combined with a shelf centering means is shown at 46. This comprises downwardly dependent legs 47 which conform to the cro~s section of transverse rod 24 and which snap over to resiliently grip -the transver~e rod. support 46 has a generally hemicylindrical bearing surface 48 within which slides a wire edge 42 of ~helf ; 40. The upstanding cheeks of bearing surface 48 align shelf 40 with a sufficient degree of accuracy within rame 21 to overcome any tendency for the shelf to skew and b~nd.
Many different manufacturing expedients may be resorted to in providing a construction falling within the scope of my invention. Thus it would be possible to deform brackets 22 to provide all or part of track m~ans 28. Such is not preferred however as it would tend to weaken bracket 22 unnecessarily. Preferably tra~k 28 means i~ s~parately moulded in suitable plastic material, acrylonitrite-butadiene-styrene terpolymer being an example. This material is also suitable for the manufacture of support 46.
Whilst my invention has been described particularly with respect to preferred embodiments thereof, such are not to be taken as being limiting, the full scope of the invention being as indicated in the accompanying claims.
~ ' _ 5_ ~ ~ :
. ~
as the shelf i8 simultaneously pulled forward and rotated about the rear portion of the shelf. This action may be ~een mo~t clearly in Figure 3. In this manner shelf 40 may be withdrawn completely from frame 21 for the purpose of cleaning, for example.
It is generally desirable that shelf 40 be of an open construction in order to facilitate air circulation within !
the cabinet. The wire shelf illustrated is of a gen2rally well known construction in the art wherein a relatively heavy gauge wire forms at least the side peripheral edges shown as 42 of the shelf, smaller diameter wires being use~ intermediate the side wires. Whilst the width of a shelf may be relatively ~ -~
constant, variation is found between different shelves. Taken ; -~
in conjunction with variations found in the widths of frame~
21 the lateral spacing between a bracket member 22 and a side wire 42 may vary considerably in different shelf-frame combinations. The bearing surfaces of track means 28 are ~ ~-generally planar and of ~ufficient width to accomodate variations spoken of. Additionally, the inner edge of the ~ ;~
bearing surface may be upturned to form a lip 33 and the inner edge of blocking member 36 downturned to form lip 37.
The spacing between lips 33 and 37 is arranged to be less i than the diameter of the wire edges 42 of shelf 40. This expedient has the advantage of preventing shelf 40 from sliding laterally from the bearing surfaces of track means 28, and also in reducing the tendency of the shelf to skew on the track means.
Skewing is further controlled by providing a shelf `~ ~
centering means located adjacent the forward edge of the ~ `-shelf where the latter is in its stored position. The centering means is transversely adjustable on the frame 21.
~7~
Since the frame includes a transverse rod member 24 th~s provides an ideal support from the centering means. Whilst it is possible to support shelf 40 in frame 21 entirely by the use of track means ~8t it i91 considered preferable to employ a shelf support forward of the track means. In the illustrated embodiment a front shelf support combined with a shelf centering means is shown at 46. This comprises downwardly dependent legs 47 which conform to the cro~s section of transverse rod 24 and which snap over to resiliently grip -the transver~e rod. support 46 has a generally hemicylindrical bearing surface 48 within which slides a wire edge 42 of ~helf ; 40. The upstanding cheeks of bearing surface 48 align shelf 40 with a sufficient degree of accuracy within rame 21 to overcome any tendency for the shelf to skew and b~nd.
Many different manufacturing expedients may be resorted to in providing a construction falling within the scope of my invention. Thus it would be possible to deform brackets 22 to provide all or part of track m~ans 28. Such is not preferred however as it would tend to weaken bracket 22 unnecessarily. Preferably tra~k 28 means i~ s~parately moulded in suitable plastic material, acrylonitrite-butadiene-styrene terpolymer being an example. This material is also suitable for the manufacture of support 46.
Whilst my invention has been described particularly with respect to preferred embodiments thereof, such are not to be taken as being limiting, the full scope of the invention being as indicated in the accompanying claims.
~ ' _ 5_ ~ ~ :
. ~
Claims (10)
1. A shelf arrangement for a cabinet comprising a generally rigid frame including a pair of parallel bracket members interconnected by transverse spacing means, said bracket members being adapted to be cantilevered from a rear-wall of said cabinet, inwardly facing track means on each said bracket member intermediate the ends thereof, said track means comprising first and second horizontally aligned and spaced bearing surfaces and a blocking member located intermediate the adjacent ends of said bearing surfaces and superior thereto, a shelf having parallel side portions slidably supported on said bearing surfaces, said shelf having an upwardly inclined rearedge proportioned so as to engage said blocking member when said shelf is drawn forwardly in said frame, thereby limiting the normal travel of said shelf, and to pass beneath said blocking member upon simultaneously further withdrawing said shelf and upwardly rotating same about rearward portions thereof whereby said shelf may be completely withdrawn from said frame.
2. A shelf arrangement as defined in claim 1 wherein said shelf is of a wire construction wherein said side portions are side wires, said track means including upwardly and down-wardly formed lips respectively on at least one said bearing surface and said blocking member, the spacing between said lips being insufficient to permit the passage of a said side wire therebetween.
3. A shelf arrangement as defined in claim 2 wherein said track means is separately formed of a moulded thermo-plastic material.
4. A shelf arrangement as defined in claim 3 wherein said thermoplastic material is an acrylonitrile-butadiena-styrene terpolymer.
5. A shelf arrangement as defined in claim 1 wherein a shelf centering means is provided adjacent the forward edge of said shelf when in its stored position, said centering means being adjustable transversely on said frame.
6. A shelf arrangement as defined in claim 5 wherein said transverse spacing means includes a transverse rod member interconnecting the distal ends of said brackets and wherein said centering means is slidably adjustable on said transverse rod.
7. A shelf arrangement as defined in claim 2 wherein combined centering and bearing means is provided forwardly of said track means, said combined means being transversely adjustable on said frame.
8. A shelf arrangement as defined in claim 7 wherein said transverse spacing means includes a transverse rod member interconnecting the distal end of said brackets and wherein said combined means is slidably adjustable on said transverse rod.
9. A shelf arrangement as defined in claim 8 wherein said combined means has a generally hemicylindrical wire contacting surface aligned with said bracket member.
10. The invention as defined in any of the preceding claims including any further features of novelty disclosed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA229,458A CA1037908A (en) | 1975-06-13 | 1975-06-13 | Cabinet sliding cantilever shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA229,458A CA1037908A (en) | 1975-06-13 | 1975-06-13 | Cabinet sliding cantilever shelf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1037908A true CA1037908A (en) | 1978-09-05 |
Family
ID=4103358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA229,458A Expired CA1037908A (en) | 1975-06-13 | 1975-06-13 | Cabinet sliding cantilever shelf |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1037908A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9500143A (en) * | 1995-01-25 | 1996-09-02 | Keulen Interieurbouw Nijverdal | Device for displaying items which are to be sold |
| US5575547A (en) * | 1994-06-29 | 1996-11-19 | Hanemaayer; Jacobus N. | Viewing and storage system for a televison set or the like |
| WO2005082206A1 (en) * | 2004-02-09 | 2005-09-09 | Linde Kältetechnik GmbH & Co. KG | Merchandise display tray system |
| US10314412B2 (en) * | 2015-09-10 | 2019-06-11 | Retail Space Solutions Llc | Retractable hinged shelf display |
| EP3647699A1 (en) * | 2018-10-31 | 2020-05-06 | Whirlpool Corporation | Refrigerator shelving frame with snap-in sliding insert |
| US20210369011A1 (en) * | 2020-05-28 | 2021-12-02 | Fasteners For Retail, Inc. | Retail merchandise shelving system and deck panels for same |
| US11998125B2 (en) | 2020-04-23 | 2024-06-04 | Fasteners For Retail, Inc. | Retail merchandise shelving system |
-
1975
- 1975-06-13 CA CA229,458A patent/CA1037908A/en not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5575547A (en) * | 1994-06-29 | 1996-11-19 | Hanemaayer; Jacobus N. | Viewing and storage system for a televison set or the like |
| NL9500143A (en) * | 1995-01-25 | 1996-09-02 | Keulen Interieurbouw Nijverdal | Device for displaying items which are to be sold |
| WO2005082206A1 (en) * | 2004-02-09 | 2005-09-09 | Linde Kältetechnik GmbH & Co. KG | Merchandise display tray system |
| US10314412B2 (en) * | 2015-09-10 | 2019-06-11 | Retail Space Solutions Llc | Retractable hinged shelf display |
| EP3647699A1 (en) * | 2018-10-31 | 2020-05-06 | Whirlpool Corporation | Refrigerator shelving frame with snap-in sliding insert |
| US11073329B2 (en) | 2018-10-31 | 2021-07-27 | Whirlpool Corporation | Refrigerator shelving frame with snap-in sliding insert |
| EP4356787A2 (en) | 2018-10-31 | 2024-04-24 | Whirlpool Corporation | Refrigerator shelving frame with snap-in sliding insert |
| US11998125B2 (en) | 2020-04-23 | 2024-06-04 | Fasteners For Retail, Inc. | Retail merchandise shelving system |
| US20210369011A1 (en) * | 2020-05-28 | 2021-12-02 | Fasteners For Retail, Inc. | Retail merchandise shelving system and deck panels for same |
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