• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An insert fits into an elongate channel. The elongate channel displays a row of articles such as cans and bottles having petaloid feet. The channel is designed to receive petaloid feet articles for sliding movement along its length. The channel has a base wall and at least one sidewall upstanding from the base wall. The insert for the channel has a plurality of upwardly projecting parallel ribs extending along its length. The tops of the ribs define a plane on which the petaloid feet of articles are to be disposed. The insert has at least one railing disposed along the base wall and extending along the insert. The top of the railing extends above the plane to engage the bottom of the article to prevent rotation. A pair of railings define therebetween a groove for receiving at least one of the petaloid feet of each article to prevent rotation of the article
    公开号:CA2372037A1
    申请号:C2372037
    申请日:2002-02-12
    公开日:2002-12-11
    发明作者:James David Robertson
    申请人:Display Industries, Llc；James David Robertson；The Mead Corporation；
    IPC主号:A47F3-02
    专利说明:
    TITLE OF THE INVENTIONDISPLAY SHELF INSERT HAVfNG ANTI ROTATION MEANSBACKGROUND OF THE INVENTION This invention relates to a display device useful in merchandising articles having petaloid feet, and more particularly to a shelf device having an elongate channel for receiving petaloid articles for sliding movement therealong. Display shelf devices with article-dispensing channels have been used in the merchandising of a numberof products. The channels, typically, are supported on a shelf in a tilted condition and receive articles in rows so that the received articles slide or gravity feed one after anotherto the fronts of the channels as the leading articles in each row are removed from the respective channel. Shelf devices with conventional dispensing channels are disclosed, for example, in U.S. Patent Nos. 4,239,099; 4,314,648; and 4,496,037 which are owned by the assignee of the present invention.While such conventional channels have experienced considerable success, they are notwithout disadvantages. Because the majority of commercial bottles and cans have cylindrical bodies, it is difficult to arrange bottles or cans on the channels at a predetermined orientation. More particularly, cylindrical articles tend to be placed on the channels at a random orientation and even to slowly rotate about their upright axes during their sliding movement along the channels. This results in the labels orthe logos on the articles facing in different directions, which detracts from the appearance of the displayed _2_ articles. What is needed, therefore, is an improved display channel which enhances the appearance of the articles displayed thereon.SUMMARY OF THE INVENTION In meeting the foregoing needs, the present invention provides an insert for elongate display channel for receiving a row of articles for sliding movementtherealong.The channel insert comprises a base wall having opposite side edges. The base wall comprises means for defining a plane on which the bottoms of articles are to be placed, and one or more railings disposed along the plane and extending along the insert. Asingle railing protrudes above the plane into spaces on the bottoms of the articles to l0 prevent rotation of the articles. A pair of railings define therebetween a groove for receiving the respective portions of the bottoms of articles. The pairof railings have their tops disposed above the plane and can protrudes into spaces on the bottoms of the articles to prevent rotation of the articles. Articles having petaloid feet can have a single foot or pairs of feet riding in the groove so that the articles do not rotate.I n the channel insert of the invention, the groove can receive the portions of articles. This assists in the loading of articles with their labels or logos facing in a predetermined direction. The railings engage the portions of the loaded articles during movement of the articles along the insert in the channel. This prevents rotational movement of the articles about their upright axes, which keeps the articles arranged at a certain orientation while they are displayed on the channel. The present invention further provides an insertfordisplay shelf device. The display shelf device includes front and rear opposed edges defines a plurality of parallel tracks each extending between the front and rear edges to receive a row of articles for movement along each track. The track-defining means comprises a floor panel and a plurality of spaced parallel partition walls upstanding from the floor panel and extending between the front and rear edges. Each track is defined by the floor panel and a pair of adjacent partition walls. The insert has a pair of railings defining therebetween a groove for receiving a portion of the bottom of each article. The railings have tops disposed above the plane. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a preferred embodiment of a display shelf device according to the present invention.Figure 2 is a view taken along the line II-II in Figure 1. Figure 3 is a perspective view of one of the channels in the shelf device of Figure 1, showing a petaloid bottle placed therein.Figure 4 is a view taken along the line IV-IV of Figure 3.Figures 5 and 6 are cross sections showing variations of the channel of Figure 4. Figure 7 is a perspective view of a shelf unit which may be used in the shelf device of Figure 1. Figure 8 is a perspective view of a preferred embodiment of an article support sheet according to the present invention. Figure 9 is a perspective view of a display shelf device having the support sheet of Figure 8.Figures 10-11 illustrate a channel insert with a single railing offset to the right of the centerline.Figures 12-13 illustrate a channel insertwith a single railing offsetto the left of the centerline.Figures 14-15 illustrate a channel insert with a pair of railings offset to the t0 right of the centerline.Figures 16-17 illustrate a channel insert with a pair of railings offset to the left of the centerline.Figures 18-19 illustrate a channel insertwith a pairof railings equally spaced from the centerline with parallel ribs therebetween Figure 20 illustrates a channel insert with triple railings.Figure 21 is a diagram illustrating the position of a single railing relative to the petaloid feet of an article.Figure 22 is a diagram illustrating the position of a pair of railings relative to the petafoid feet of an article.Figure 23 is a diagram illustrating the position of a pair of railings and positioning ribs relative to the petaloid feet of an article. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTSFigure 1 shows a gravity feed display shelf device designed to display and merchandise bottled beverages such as soft drinks contained in PET petaloid bottles. The "petaloid bottle" in this application refers to a bottle having at least three (preferably five or six) feet evenly disposed around the longitudinal axis of the bottle and projecting from a generally hemispherical bottom form of the bottle to provide a stable self-standing support.The illustrated shelf device comprises a base 20 and a lower back panel 22 extending upwardly from the base 20. The back panel 22 is supported by lower post members 24 and 26 having slotted sloping faces 28 and 30, respectively. Secured atop the lower post member24 is an upper post member32 having a verticallydisposed slotted face 34. Similarly, an upper post member 36 is mounted atop the lower post member 26 and is provided with a slotted vertical face 38. An upper back panel 40 is supported by the upper post members 32 and 36. Shelves generally indicated at 42 and 44 are mounted respectively on the slotted sloping faces 28 and 30 and on the slotted vertical faces 34 and 38.The shelves 42 and 44 are substantially identical and are supported in substantially parallel relationship to each otheron the respective sloping and vertical faces 28, 30, 34 and 38. Engaging tabs on the shelves 42 and 44 cooperate with the slots in the sloping and vertical faces in different ways to detachably connect the shelves to the post members 24, 26, 32 and 36. Thus the shelves 42 and 44 are maintained in parallel relationship by virtue of the fact that the tabs and the angle of the sloping faces of the lower post members 24 and 26 cooperate in such manneras to achieve this result. The manner in which this is accomplished is described in U:S. Patent No. 3,983,822 issued October 5, 1976, which is hereby incorporated by reference.As shown in the drawings, each of the shelves such as 42 and 44 comprises support means in the form of a substantially rigid support frame and a plurality of parallel elongate channels 64 placed side by side on the support frame to accommodate and support a number of petaloid bottles. As is best shown in Figures 1 and 2, each support frame includes a pairof spaced parallel side elements 46 and 48 extending forward from the respective post members and a set of spaced parallel front, intermediate and rear elements 50, 52 and 54 interconnecting the side elements 46 and 48. The side elements 46 and 48 are provided at their respective rear ends with the aforementioned engaging tabs. The elements 50, 52 and 54 include upwardlyfacing support surfaces 56, 58 and 60, respectively, all disposed in a common plane which is forwardly and downwardly tilted.These surfaces in cooperation supportthe channels 64 in a tilted fashion. The angle oftilt from the horizontal may vary somewhat but experience has shown that this angle may be about 1 to 20 degrees and preferably about 3.5 to 8 degrees. The angle of tilt in most applications of the invention may be approximately 6 degrees from horizontal.The front element 50 of the support frame includes stop means in the form of a wire guard 62 which is slotted into the front element 50. This wire guard 62 is a portion on which frontmostlleading bottles on each channel 64 rest, as will be described in more detail.Figure 3 illustrates one of the channels 64 in the form separated from the support frame. As all the channels 64 are virtually the same in size and structure, only one channel is described hereinafter. As illustrated, the channel 64 includes a pairof spaced sidewalls 68 and 70 and a base wall 66 interconnecting the sidewalls 68 and 70 at their respective lower edges. The channel 64 extends between the front and rear elements 50 and 54 so that a track extending entirely between the front and rear elements 50 and 54 is defined by the sidewalk 68 and 70 and the base wall 66. The sidewalls 68 and 70 act as guides for bottles in the channel 64 and cause the bottles placed on the channel 64 to be arranged in a row. The base wall 66 provide a flooron which the bottoms of the bottles are supported.In order to minimize friction between the floor of the channel 64 and the bottles to be received therein, a plurality of upwardly projecting parallel ribs 86 are integrally formed with the base wall 66 along the channel 64, as best shown in Figures 3 and 4. The ribs 86, preferably, are arranged at equal spacing. Each rib 86 is of a generally triangular cross section. The tops or peak edges of the ribs 86 lie in a common plane on which the petaloid feet of each bottle are to be disposed.As furthershown in Figures 3 and 4, the area ofthe base wall 66 around the midpoint between the sidewalk 68 and 70 are formed without ribs 86, which leaves a strip of smooth surface on the base wall 66. The smooth surface is bounded by a pair of spaced parallel railings 76 extending along the channel 64. These railings 76 are integrally formed with the base wall 66, project upwardly and are turned inwardlytoward each other.In other words, each railing 76 is of a generally L-shaped cross section. A groove 80 is defined between the railings 76, which groove is dimensioned such that one ofthe petaloid feet of a bottle may be loosely received in the groove. When using two-liter petaloid bottles having six feet, the width "W" of the groove 80 orthe distance between the railings 76 may be about 18 mm and 35 mm and preferably about 23 mm. The height "H1"of the railings 76 is slightly greaterthan the height "H2" of the ribs 86 so that the top surfaces of the railings 76 are disposed above the plane. This arrangement allows the bottles on the base wall 66 to engage at their feet with at least one of the railings 76 to resist minor torque exerted on the bottles which would otherwise rotate the bottles about their respective upright longitudinal axes.The above channel 64 may be extrusion-molded from any low friction material; however, the unit is preferably formed of a plastic material such as polyvinyl chloride, polystyrene and the like. Among these plastic materials, the most preferred material for manufacturing the channel 64 is high impact polystyrene. Such polystyrene may have silicone or some other suitable lubricant material dispersed therein in orderto reduce friction between the railingslribs 76 and 86 and the bottles to be disposed thereon.In order to locate the channel 64 in position on the support frame, it is necessary to simply insert the front and rear ends of the channel 64 into the channel shaped recesses 102 and 104 (see Figure 2) provided by the front and rear elements 50 and 54, respectively. Of course, if required, the channel 64 may be secured to the support surfaces 56, 58 and 60 by suitable fastening means.The channels 64 thus located on the support frame are tilted downwardly toward its front end. Therefore, when bottles are loaded onto the channels 64 as shown in Figure 1, there is a natural tendencyfor rows of bottles automaticallyto slide downwardly and forwardly so that the leading bottles such as BO have their sliding movement arrested by the wire stop 62 and normally rest against the front element 50. Also; as the leading bottles are removed from each channel, the remaining bottles are allowed to gravityfeed _g_ one after another toward the front ends of the channels so as to be easy to access and ready to be dispensed.During the above sliding movement, the bottles are subjectto minortorque due to friction with neighboring bottles as well as with the respective channel, which tend to rotate the bottles about their respective longitudinal axes. In the channel of the invention, however, the petaloid feet of the bottles are engaged by the railings 76 and thereby rotational movement of the bottles are prevented effectively. With the bottles each having five petaloid feet, one of the feet of each bottle is received in the groove 80. On the other hand, with the bottles each having six petaloid feet, a pair of diametrically opposed feet of each bottle are received in the groove 80. An example of the bottles with six petafoid feet is illustrated in Figures 3 and 4 where reference "L" designates one of the diametrically opposed feet.The railings 76 also function as a guide forfacilitating the loading of bottles into the channel 64 with the labels or logos on the bottles facing in a predetermined direction. This is particularlyconvenientwhen the invention is used with large sized PETbottles having a body of a squeezed profile. On these squeezed bottles, the logos are printed on the opposed unsqueezed cylindrical faces only. An example of the squeezed bottles is shown in Figure 3 in which reference numeral 90 denotes the billboard area on which the logos are printed. It should be recognized thatwhen the channel 64 is loaded with non-petaloid articles, the lips (i.e., the horizontally extending portions) of the railings 76 can be resiliently flexed downwardly due to the load of the bottles. W hen flexed, the tops of the railings 76 are lowered to the plane and therebydo not interFere with smooth sliding movement of the - l~ -non-petaloid bottles. In otherwords, the channel ofthe invention can accommodate not only the petaloid bottles but also articles with varying bottom shapes including star, champagne, and scalloped configurations. This also includes the shapes provided by base cups which fit on the bottoms of articles.Figures 5 and 6 illustrate variations or modified forms of the channel 64. The channel 94 in Figure 5 has railings 96 of a generally triangular cross section whereas the channel 104 in Figure 6 has railings 106 of a generally semicircular cross-section. The other portions of the channels 94 and 104 are virtually identical to those ofthe channel 64, and thus like reference numerals are used to indicate the corresponding portions. Figure 7 illustrates a shelf unit 120 which may be used in place of the channels 64. The shelf unit 120 is shown in the form separated from the support frame in Figures 1 and 2. As illustrated, the shelf unit 120 includes a floor panel 126 and a pair of end partition walls 128 and 130 upstanding from the opposite side edges of the floor panel 126. The partition walls 128 and 130 extend entirelyafong the respective side edges. The unit 120 also includes a series of equally spaced parallel intermediate partition walls 132, 134, 136 and 138, which are parallel to the end partition walls 128 and 130. These intermediate partition walls also extend all the way between the front and rear opposed edges 140 and 142 of the floor panel 126. Preferably, the shelf unit 120 is molded from a plastic into a one-piece structure. The intermediate partition walls divide the space between the end partition walls 128 and 130 into a plurality of tracks extending between the front and rear edges 140 and 142. In otherwords, each track is defined bythe respective pairof adjacent partition walls and the floor panel 126. The partition walls 128, 130, 132,134,136 and 138 act as guides for bottles on the shelf unit 120 and cause the bottles placed on the shelf unit 120 to be arranged in parallel rows, each row of bottles being received in the respective track.For each track, a plurality of ribs and railings similar to those in Figure 4 are provided.It will be recognized that many variations may be made to the foregoing within the scope of the present invention. For example, channel 64 may have only one sidewall upstanding from one of the opposite side edges of the base wall 66 so that the channel has a L-shaped cross section. Such L-shaped channels are placed side by side on the support frame so that the sole sidewall of each channel is shared with the adjacent channel. An example of the L-shaped channels is disclosed in U.S. Patent No. 4,496,037 owned by the assignee of the present invention which patent is hereby incorporated by reference.It should be also recognized that the channel and the shelf unit of the invention may be placed or fixed on a horizontal support frame to provide a non-gravity feed display shelf. It should be further recognized that the present invention may be incorporated into an article support sheet 140 such as shown in Figure 8. The sheet include a plurality of elongate parallel base wall strips 142 arranged side by side and joined togetherto form a unitary structure. Each base wall strip 142 include ribs 144 and the railings 146 extending along the respective strip 142 similarly to those shown in Figures 3 and 4. As shown in Figure 9, the sheet 140 is placed on the support frame 148 which is similar to the support frame in Figure 1 and provided with a wirework including fronttransverse members 152 and 154, reartransverse members 156 and 158, and a pluralityof longitudinal partition members 160. Thewirework 150 defines a plurality of tracks extending along the base wall strips 142 respectively so that each track can receive a row of articles for movement along the respective base wall strip 142.Referring now to Figures 10-11, an elongated display channel insert is illustrated for receiving a row of articles for sliding movement therealong. Such articles may be beverage bottles orcans having petaloid feet. The display channel insert has an elongated base wall 161 with opposites edges which are left and right sides edges 162, 164 as illustrated in Figure 10. A plurality of parallel ribs 166 project upwardly from the base wall 161 and extend longitudinally along the base wall. The ribs 166 have tops that define a plane on which the bottoms of the articles ride. A first railing 168 projects upwardly from the base wall 161 and extends longitudinally along the insert. The first railing 168 has a top portion disposed above the plane. The projecting first railing 168 extends above the plane to engage a groove or space existing between adjacent petaloid feet of the articles. Railing 168 is offset from the longitudinal centerline of the insert toward the right side edge 164. This positioning allows railing 168 to engage the space or groove between adjacent petaloid feet in an article having an even numberof petaloid feet, such as six for example, to prevent the article from rotating.Figures 12-13 are similar to Figures 10-11. An elongated display channel insert has an elongated base wall 170 with opposites edges which are left and right sides edges 172,174 as illustrated in Figure 12. A plurality of parallel ribs 176 project upwardly from the base wall 170 and extend longitudinally along the base wall. The ribs 176 have tops that define a plane on which the bottoms of the articles ride. A first railing 178 projects upwardlyfrom the base wall and extends longitudinally along the insert. The first railing 178 has a top portion disposed above the plane. The projecting first railing 178 extends above the plane to engage a groove or space existing between adjacent petaloid fleet of the articles. Railing 178 is offset from the longitudinal centerline of the insert toward the left side edge 172. This positioning allows railing 178 to engage the space or groove between adjacent petaloid feet in an article having an even number of petaloid feet to prevent the article from rotating. Referring to Figures 14-15, an elongated display channel insert has an elongated base wall 180 with opposites edges which are left and right sides edges 182, 184 as illustrated in Figure 14. A plurality of parallel ribs 185 project upwardly from the base wall 180 and extend longitudinally along the base wall. The ribs 185 have tops that define a plane on which the bottoms of the articles ride. First and second railings 186,187 project upwardly from the base wall 180 with their tops extending above the plane to engage a petaloid foot of an article to prevent rotation. The railings 186,187 are offset from the longitudinal centerline of the insert toward the right side edge 184 to cooperate with the right sidewall of the channel in which it is inserted to prevent rotation ofthe articles.Railings 186 and 187 may act independently to prevent rotation or may cooperate depending on the article size and number of feet.Figures 16-17 are similarto Figures 14-15. In Figures 16-17, an elongated display channel insert has an elongated base wall 190 with opposites edges which are left and right sides edges 192,194 as illustrated in Figure 19. A plurality of parallel ribs 195 project upwardly from the base wall 190 and extend longitudinally along the base wall. The ribs 195 have tops that define a plane on which the bottoms of the articles ride. First and second railings 196,197 project upwardlyfrom the base wall 190 with theirtops extending above the plane to engage a petaloid foot of an article to prevent rotation of the article. The railings 196,197 are offsetfrom the longitudinal centerline of the insert toward the left side edge 192 to cooperate with the left sidewall of the channel in which it is inserted to prevent rotation of the articles. Railings 196 and 197 may act independently to prevent rotation or may cooperate depending on the article size and number of feet. Referring to Figures 18-19, an elongated display channel insert has an elongated base wall 200 with left and right side edges 202, 204. The base wall 200 has a plurality of parallel ribs 205 projecting upwardly from the base wall 200 and extending longitudinally along the insert. The ribs 205 have tops that define a plane. Upstanding from the base wall 200 are first and second upwardly projecting railings 206; 207. The first and second railings 206, 207 are spaced apart and define a groove therebetween. The groove is dimensioned to receive at least one petaloid foot of each of the articles to prevent rotation in the channel on which it rests. One or more positioning ribs 208 are disposed in the groove between the first and second railings to receive portions of two petaloid feet of each article to tilt the article forward toward the front of the channel. Both the railings 206, 207 and the positioning ribs 208 extend above the plane but the railings extend farther than the positioning ribs 208. A preferred orientation of an article in the channel is to have one petaloid foot ride in the groove defined by the first and second railings, and, in the case of an odd numberof petaloid feet, to have portions oftwo petaloid feet disposed in the groove and riding on the positioning ribs 208. Figure 23 illustrates a front petaloid foot riding between railings while two rear petaloid feet ride on the railings and positioning ribs. This positioning tilts the rearofthe article upward causing the article to tilt forward in the channel. This is very useful when used on a horizontal shelf because the tilting makes the article easierto see and remove. This rib configuration may be used with the tray structure of Figure 7 or the sheet structure of Figure 8.Figure 20 illustrates an insert 210 with a plurality of upstanding parallel ribs 212 and left, central and right railings 214, 216, 218 along with a bottle 220 with petaloid feet. The central railing 216 prevents rotation of the bottle by engaging the petaloid feet.Railing 216 rides in a groove between adjacent petaloid feet preventing rotation. The left and right railings214, 216 may also abut the petaloid feet to assist in preventing rotation. Figure 21 shows a single railing 250 fitting between adjacent petaloid feet to prevent rotation of the article. Figure 22 shows a pairof railings 252, 254 with petaloid feet between the railings. Figure 23 illustrates an article with an odd number of petaloid feet with one foot in the groove between the railings 256, 258 to prevent rotation, and with parts of two feet riding on railings 256, 258 and on positioning ribs 260.
    权利要求:
    Claims (13)
    [1] 1. An insert for an elongate display channel, said channel receiving a row of articles for sliding movement therealong, said insert comprising:an elongate base wall;a plurality of parallel ribs projecting upwardly from said base wall and extending longitudinally along said base wall, said ribs having tops defining a plane; and a first railing projecting upwardly from said base wall and extending longitudinally along said base wall, said first railing having a top portion disposed above said plane.
    [2] 2. An insert, as set forth in claim 1, including a second railing projecting upwardly from said base wall and extending longitudinally along said base wall, said second railing having a top portion disposed above said plane.
    [3] 3. An insert, as set forth in claim 1, wherein said first and second railings abut one another.
    [4] 4. An insert, as set forth in claim 2, wherein said first and second railings are spaced apart and define a groove therebetween, said groove being dimensioned to receive at least one petaloid foot of each of said articles to prevent rotation of the article.
    [5] 5. An insert, as set forth in claim 4, including positioning ribs disposed in said groove to receive portions of two petaloid feet of each of said articles to tilt the article forward toward a front of said channel.
    [6] 6. An insert, as set forth in claim 5, wherein said positioning ribs extend above said plane.
    [7] 7. An insert, as set forth in claim 1, wherein said base wall has first and second side edges and said first railing is disposed closer to one of said side edges than the other.
    [8] 8. An insert, as set forth in claim 1, wherein said base wall has first and second side edges and including: a second railing disposed between said first railing and said first side edge;and a third railing disposed between said first railing and said second side edge.
    [9] 9. An insert for a display shelf device, said display shelf device comprising a shelf unit having front and rear opposed edges, and means for defining a plurality of parallel tracks each extending between said front and rear edges to receive a row of articles for movement along said track, said means including a floor panel and a plurality of spaced parallel partition walls upstanding from said floor panel and extending between said front and rear edges so that each of said tracks is defined by said floor panel and a pair of adjacent ones of said partition walls, said insert comprising:an elongated base wall;a plurality of parallel ribs projecting upwardly from said base wall and extending longitudinally along said base wall parallel to a longitudinal centerline of said base wall, said ribs having tops defining a plane; and a first railing projecting upwardly from said base wall and extending longitudinally along said base wall, said first railing having a top portion disposed above said plane.
    [10] 10. An insert, as set forth in claim 9, including a second railing projecting upwardly from said base wall and extending longitudinally along said base wall, said second railing having a top portion disposed above said plane.
    [11] 11. A display shelf, as set forth in claim 10, wherein said first and second railings define a groove therebetween and wherein bottoms of said articles have petaloid feet, said groove being dimensioned to receive at least one foot of said petaloid feet of each of said articles to prevent rotation of the article.
    [12] 12. An insert, as set forth in claim 11, including positioning ribs disposed in said groove to receive portions of two petaloid feet of each of the articles to tilt the article forward toward said front edge.
    [13] 13. A display shelf, as set forth in claim 10, wherein said first and second railings are offset from said centerline toward one of said partition walls.
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    同族专利:
    公开号 | 公开日
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2007-02-02| EEER| Examination request|
    2010-07-19| FZDE| Dead|
    优先权:
    申请号 | 申请日 | 专利标题
    US09/878,638|US6585120B2|1997-10-01|2001-06-11|Display shelf having an anti-rotation member|
    US09/878,638||2001-06-11||
    US09/900,417|US6439402B2|1997-10-01|2001-07-06|Display shelf insert having anti-rotation means|
    US09/900,417||2001-07-06||
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