EP2580997A1 - Fold-out shelving unit made of cardboard or a similar material - Google Patents

Fold-out shelving unit made of cardboard or a similar material Download PDF

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Publication number
EP2580997A1
EP2580997A1 EP11791964.7A EP11791964A EP2580997A1 EP 2580997 A1 EP2580997 A1 EP 2580997A1 EP 11791964 A EP11791964 A EP 11791964A EP 2580997 A1 EP2580997 A1 EP 2580997A1
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EP
European Patent Office
Prior art keywords
panel
shelf
panels
support
expanded position
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.)
Withdrawn
Application number
EP11791964.7A
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German (de)
English (en)
French (fr)
Inventor
Francisco Lopez Fernandez
Ferran Mestres Armengol
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2580997A1 publication Critical patent/EP2580997A1/en
Withdrawn legal-status Critical Current

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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
    • A47F5/10—Adjustable or foldable or dismountable display stands
    • A47F5/11—Adjustable or foldable or dismountable display stands made of cardboard, paper or the like
    • A47F5/112—Adjustable or foldable or dismountable display stands made of cardboard, paper or the like hand-folded from sheet material
    • A47F5/116—Shelving racks
    • 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
    • A47F5/10—Adjustable or foldable or dismountable display stands
    • A47F5/11—Adjustable or foldable or dismountable display stands made of cardboard, paper or the like
    • 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
    • A47F5/10—Adjustable or foldable or dismountable display stands
    • A47F5/11—Adjustable or foldable or dismountable display stands made of cardboard, paper or the like
    • A47F5/112—Adjustable or foldable or dismountable display stands made of cardboard, paper or the like hand-folded from sheet material

Definitions

  • the present invention relates to foldable shelving made of cardboard or a similar material, such as corrugated cardboard, corrugated plastic, lightweight cardboard, etc.
  • the foldable shelving of the present invention is useful, for instance, as a sales stand to display goods at a sales point and, therefore, it comprises one or more shelves capable of holding up goods, including relatively heavy articles, such as books, preserve tins or jars, bottles, etc.
  • the shelving includes shelf panels, each having a rear edge hingedly attached to the rear panel so that it can be moved between a folded position, wherein the shelf panel is substantially parallel to the rear panel and the side panels when the latter are in the folded position, and an expanded position, wherein the shelf panel forms trihedral angles with the rear panel and the side panels when the latter are in the expanded position.
  • the shelf panels are connected to the side panels by means of linking panels establishing a cinematic linkage between the side walls and the shelf panels and supporting the shelf panels on their side edges in the expanded position.
  • a number of elastic members are arranged to push the side walls towards the expanded position.
  • Said cinematic linkage causes a movement of any of the panels to be automatically communicated to the remaining panels.
  • the shelf panels are also automatically moved towards the expanded position, and, when the side panels are manually moved from the expanded position towards the folded position against the force of the elastic members, the shelf panels are also automatically moved towards the folded position.
  • Patent US-A-6715623 discloses a foldable shelving made of corrugated cardboard comprising a main piece defining a rear panel and side panels hingedly attached to side edges opposite said rear panel.
  • the side panels can be moved between a folded position, wherein said side panels and the rear panel are substantially parallel or coplanar, and an expanded position, wherein the side panels are substantially perpendicular to the rear panel.
  • Support panels extend from one to the other of the side panels that are obtained by a number of cuts in said main piece and adopt a substantially parallel position and separate from the rear panel when the shelving is in said expanded position.
  • the shelving includes shelf panels, each having a rear edge hingedly attached to the rear panel so that it can be moved between a folded position, wherein the shelf panel is substantially parallel to the rear panel and the side panels when the latter are in the folded position, and an expanded position, wherein the shelf panel forms trihedral angles with the rear panel and the side panels when the latter are in the expanded position.
  • shelf panels When the shelf panels are in the expanded position, their front regions are supported along their entire width by the support panels.
  • the present invention contributes to alleviate the above and other drawbacks by providing foldable shelving made of cardboard or a similar material, comprising a rear panel and side panels hingedly attached to opposite side edges of said rear panel so that they can be moved between a folded position, wherein said side panels and the rear panel are substantially parallel or coplanar, and an expanded position, wherein the side panels are substantially perpendicular to the rear panel.
  • the shelving comprises at least one support panel extending from one to the other of the side panels in a position substantially parallel to the rear panel (1), and separate therefrom, in said expanded position, and at least one shelf panel movably attached to the rear panel and/or to the side panels so that it can be moved between a folded position, wherein said shelf panel is substantially parallel to the rear panel and to the side panels when the latter are in the folded position, and an expanded position, wherein the shelf panel forms trihedral angles with the rear panel and with the side panels when the latter are in the expanded position, and is directly or indirectly supported by said support panel.
  • Retention means are arranged to keep the rear, side and support panels in the expanded position.
  • the support panel is cinematically linked to the side panels by first cinematic linking means so that the support panel gets closer and away parallel to the rear panel when the side panels move between the folded position and the expanded position
  • the shelf panel is cinematically linked to the support panel by second cinematic linking means so that the shelf panel pivots relative to the rear panel when the support panel moves between the folded position and the expanded position.
  • Said second cinematic linking means comprise at least one cinematic linking panel having a first edge hingedly attached to the support panel and an opposite second edge hingedly attached to the shelf panel in a position between the support panel and the rear panel when they are in the expanded position.
  • the first cinematic linking means comprise connection panels having a first edge hingedly attached to each side end of the support panel and a second edge hingedly attached to each side panel in a position between the support panel and the rear panel when they are in the expanded position.
  • each side panel comprises a longitudinal folding line substantially parallel to the corresponding side edge of the rear panel and located between the support panel and the rear panel when they are in the expanded position, and the side edges of the support panel are hingedly attached to the side panels on or near their free front edges.
  • One of the shelves located on the bottom region of the shelving can form a pedestal, in which case the corresponding support panel preferably extends from the shelf panel to the floor or support surface on which the shelving rests in the expanded position.
  • a foldable support structure arranged that comprises two or more vertical structure panels hingedly attached to one another.
  • One of said structure panels is hingedly attached to one of the rear, side and support panels, and another of the structure panels is hingedly attached to another of the rear, side and support panels, so that the foldable support structure is moved between a folded position and an expanded position along with the rear, side and support panels when the latter are moved between the folded position and the expanded position.
  • the structure panels have top edges and bottom edges and their height is selected so that said top edges are arranged to support the shelf panel, whereas said bottom edges are arranged to rest on the floor or support surface.
  • the shelf panel is capable of holding up heavy articles even though the foldable shelving is entirely made of corrugated cardboard or a similar material.
  • one or more elastic members such as annular rubber bands, are arranged to push the rear, side and support panels towards the expanded position and keep them therein.
  • the foldable shelving is self-expanding, since it is automatically expanded from the folded position to the expanded position, whereas the folding from the expanded position to the folded position is carried out manually against the force of the elastic members.
  • the panels are cinematically linked, the expansion and the folding can be carried out manually with ease, and alternative retention means, elastic or otherwise, can be used to keep them in the expanded position.
  • the rear panel and the side panels comprise at least one transversal folding line substantially perpendicular to the side edges of the rear panel so that the shelving can be moved from the folded position to a compact folded position by bending the rear panel and the side panels along said transversal folding line.
  • said compact folded position is stable, since the fold along the transversal folding line keeps the elastic means from moving the shelving from the compact folded position to the expanded position.
  • the unfolding from the compact folded position must be manually initiated until the point is reached from which the elastic means actuate and the expansion to the expanded position is automatically carried out in a few seconds.
  • each first complementary folding line comprises, in at least one section of its length, a partial cut-off line on an outer side of the panel and a folding line on the opposite, inner side of the panel.
  • the transversal folding line comprises two mutually parallel second complementary folding lines separated by a second distance smaller than said first distance.
  • Each second complementary folding line comprises a partial cut-off line on an outer side of the multilayered region of the panel and a folding line on the opposite, inner side.
  • the first and second complementary folding lines are bounded by a complete transversal cut-off line. Said second distance is approximately equal to the first distance minus two times the thickness of the additional layer or layers of said multilayered region.
  • a stepped structure comprising one or more stepped shelf panels and one or more stepped support panels hingedly attached to each other. All the stepped support panels have a bottom edge hingedly attached to the shelf panel, whereas the top stepped shelf panel has a rear edge hingedly attached to the rear panel.
  • the stepped structure might comprise one single step with one stepped shelf panel and one stepped support panel.
  • the foldable shelving made of cardboard or a similar material comprises a rear panel 1 having opposite side edges and side panels 2 hingedly attached to said opposite side edges of the rear panel 1 so that they can me moved between a folded position (not shown), wherein said side panels 2 and the rear panel 1 are substantially parallel or coplanar, and an expanded position (shown in Fig. 5 ), wherein the side panels 2 are substantially perpendicular to the rear panel 1.
  • the rear and side panels 1, 2 are preferably made of one single piece, the hinged attachment therebetween comprising folding lines including split lines, partial cut-off lines or combinations of both.
  • the rear and side panels 1, 2 preferably comprise a transversal folding line 15 substantially perpendicular to the side edges of the rear panel 1 that allows folding the rear panel 1 and the side panels 2 from the folded position to a compact folded position, as will be described in further detail below.
  • the shelving of Figs. 1 to 5 comprises a couple of shelf panels 4, each of which has a rear edge hingedly attached to the rear panel 1 so that it can be moved between a folded position, wherein said shelf panel 4 is substantially parallel to the rear panel 1 and to the side panels 2 when the latter are in the folded position, and an expanded position, wherein the shelf panel 4 forms trihedral angles with the rear and side panels 1, 2 ( Fig. 5 ).
  • the shelving panels might be linked to the side panels through linking panels, such as those described in the aforementioned international patent application WO-A-2009037368 allowing the same movements.
  • Each shelf panel 4 is associated to a support panel 3 that, in the expanded position, extends from one to the other of the side panels 2 in a position substantially parallel to the rear panel 1, and separate therefrom.
  • This support panel 3 is cinematically linked to the side panels 2 by first cinematic linking means so that the support panel 3 gets closer and away parallel to the rear panel 1 when the side panels 2 move between the folded position and the expanded position.
  • said first cinematic linking means comprise a couple of connection panels 6, each of which has a first edge, or front edge, hingedly attached to a corresponding side end of the support panel 3 and a second edge, or rear edge, hingedly attached to a corresponding side panel 2 in a position located between the support panel 3 and the rear panel 1 when they are in the expanded position.
  • connection panel 6 In order to facilitate the movements of the foldable shelving between the folded and expanded positions, the distance between the front and rear edges of the connection panel 6 is equal to the distance between the front edge of the connection panel 6 and the rear edge of the corresponding side panel 2 attached to the side edge of the rear panel 1. In general, the side panels 2 open outwardly to transition from the expanded position to the folded position.
  • shelf panel 4 is cinematically linked to the support panel 3 by second cinematic linking means so that the shelf panel 4 pivots relative to the rear panel 1 when the support panel 3 moves between the folded position and the expanded position.
  • these second cinematic linking means comprise a cinematic linking panel 5 having a first edge hingedly attached to the support panel 3 and a second opposite edge hingedly attached to the shelf panel 4 in a position between the support panel 3 and the rear panel 1 when they are in the expanded position.
  • the foldable sales stand further becomes self-expanding, that is, capable of expanding automatically from the folded position to the expanded position.
  • the elastic members 14 in the shape of annular rubber bands are arranged to pull the side panels 2 towards one another, although they might be alternatively arranged to pull other panels towards one another by virtue of the cinematic linkage among all of them.
  • the elastic members are arranged adjacent to an underside of the shelf panels 4 so that they are hidden when the foldable shelving is in the expanded position.
  • the force exerted by the elastic members 14 is used, in addition, to keep the panels of the foldable shelving in the expanded position.
  • other retention means, elastic or otherwise are foreseen in order to keep the rear, side, support and shelf panels 1, 2, 3, 4 in the expanded position, such as, for instance, one or more surrounding bands or a skirting board in which the bottom regions of the rear and side panels 1, 2 are inserted.
  • the support panel 3 is made of one single piece of corrugated cardboard or a similar material that has a couple of folding lines defining fastening fins 3a adjacent to their side edges for the hinged attachment of the support panel 3 to the connection panels 6.
  • Each of the connection panels 6 is, in turn, made of one corresponding piece of corrugated cardboard or a similar material having one folding line defining one fastening fin 6a adjacent to its rear edge for the hinged attachment of the connection panels 6 to the respective side panels 2.
  • the length of the fastening fins 6a is preferably the same as the length of the connection panels 6 so as to aid the positioning thereof relative to the side panels 2.
  • a die-cut hooking member 6b wherein the flexible member 14 is hooked.
  • the shelf panel 4 is likewise made of one piece of corrugated cardboard or a similar material having a folding line defming a fastening fin 4a adjacent to its rear edge for the hinged attachment of the shelf panel 4 to the rear panel 1.
  • the cinematic linking panel 5 is made of one corresponding piece of corrugated cardboard or a similar material having a couple of folding lines defining fastening fins 5a, 5b adjacent to its front and rear edges for the hinged attachment of the cinematic linking panel 5 to the support panel 3 and to the shelf panel 4, respectively.
  • the attachment of the various fastening fms to the respective panels is carried out by bonding.
  • the shelf panel 4 has a length selected so that, in the expanded position, a front region thereof is directly supported by the top edge of the support panel 3, while the cinematic linking panel 5 remains in a sloping position between the shelf panel 4 and the support panel 3, which contributes to supporting an intermediate region of the shelf panel 4.
  • the cinematic linking panel 5 forms an acute angle with the shelf panel 4 in the expanded position. For instance, when the support panel 3 is moved towards the rear panel 1 ( Fig. 4 ), whether it be by direct pressure thereon or as a result of the movement of the side panels 2 towards the folded position, the cinematic folding panel 5 pushes the shelf panel 4 upwards, towards the folded position.
  • the support panel 3 associated to the top shelf has low height, whereas the support panel 3 associated to the lower shelf extends from the corresponding shelf panel 5 down to the floor or another support surface on which the foldable shelving is located, forming a base.
  • the fastening fins 6a have considerable height and the connection panels 6 have increasing height from the support panel 3 up to the corresponding fastening fins 6a. Both the connection panels 6 and the fastening fins 6a protrude above the corresponding shelf panels 4 in the expanded position.
  • the relatively large height of the connection panels 6 and the corresponding fastening fins 6a provides great sturdiness to the support panel 3 notwithstanding its scant height and its being supported on the air.
  • Fig. 6 shows a variant of the embodiment shown in Figs. 1 to 5 wherein the top shelf has been omitted and there is only one lower shelf panel 4 associated to the support panel 3 forming a base.
  • Figs. 7 and 8 show one variant of the members 3, 4, 5, 6, 6a forming the top shelf, which are thoroughly analogous to the ones previously described in connection with Figs. 3 and 4 , except that, in this case, the connection panels 6 and their corresponding fastening fins 6a, despite their having considerable height, extend downwards from the level of the shelf panel 4, so that they do not protrude above the corresponding shelf panels 4 in the expanded position.
  • the relatively large height of the connection panels 6 and the corresponding fastening fins 6a provides sturdiness to the support panel 3.
  • Figs. 9 and 10 show another variant of the members 3, 4, 5, 6, 6a forming the top shelf, which are analogous to the ones previously described in connection with Figs. 3 and 4 , except that, in this case, the connection panels 6 and their corresponding fastening fins 6a have substantially the same height as the support panel 3.
  • the support panel 3 has less sturdiness and it is adequate to hold up light articles.
  • Figs. 11 and 12 show yet another variant of the members 3, 4, 5, 6, 6a forming the top shelf, which are analogous to the ones previously described in connection with Figs. 9 and 10 with the addition of a notch 6c made on the bottom edge of each connection panel 6 near the support panel 3 so it will engage a projection 9 affixed on the inner side of the corresponding side panel 2 when the shelving is in the expanded position.
  • the projections 9 support the connection panels 6 in the expanded position and confer sturdiness to the support panel 3 and the shelf panel 4.
  • the projections can be made, for instance, from pieces of corrugated cardboard or a similar material fastened to the side panels.
  • the notches 6c can be omitted, in which case it will be a bottom edge of each connection panel 6 the one being supported on the corresponding projection 9 in the expanded position.
  • Figs. 13 and 14 show a foldable piece of shelving according to a variant of the foldable shelving shown in Fig. 6 , which only has one lower shelf panel 4 associated to a support panel 3 forming a base.
  • the difference in this variant is that the connection panels 6 have much greater length than in the shelving of Fig. 6 , and they are connected near the free front edges of the corresponding side panels 2.
  • the support panel 3 is located forwardly of the free front edges of the side panels 2 and the shelf panel 4 leans on the top edge of the support panel 3 in the expanded position.
  • the result is a foldable piece of shelving with a base provided with a shelf panel 4 of noticeable larger dimensions that the one of the foldable shelving shown in Fig. 6 .
  • the support panel 3, the shelf panel 4 and the connection panels 6 protrude noticeably from the side panels 2, whereas in the folded position the foldable shelving would occupy exactly the same space as the foldable shelving shown in Fig. 6 , since the maximum width of the shelving in the folded position is defined by the free front edges of the side panels 2 rather than by the members forming the shelf and the base.
  • Fig. 15 shows a variant of the foldable shelving shown in Figs. 13 and 14 , wherein the only difference resides in that the rear edge of the shelf panel 4 is hingedly attached to the rear panel 1 at a lower level than the top edges of the support and connection panels 3, 6, and the shelf panel 4 has its length selected so that a front region thereof will be supported in the expanded position by a projection 8 protruding from the inner side of the support panel 3 at a lower level than its top edge.
  • the result is that the base forms a container, wherein top portions of the support and connection panels 3, 6 provide railings surrounding the front portion of the shelf panel 4, whose rear portion is defined by the rear and side panels 1, 2.
  • the projection 8 can be formed, for instance, by the top edge of a board of corrugated cardboard or a similar material affixed to the inner side of the support panel 3.
  • Figs. 16 and 17 show the operation of the container formed by the base of the foldable shelving according to one variant of Fig. 15 .
  • a cinematic linking panel 5 with a front edge hingedly attached to the support panel 3 or to the board providing the projection 8, and a rear edge hingedly attached to the shelf panel 4 and an intermediate region thereon.
  • the front region of the shelf panel 4 rests on the projection 8 and the cinematic linking panel 5 remains in a sloping position between the shelf panel 4 and the support panel 3, so that it contributes to supporting an intermediate region of the shelf panel 4.
  • Fig. 18 shows another variant of the foldable shelving shown in Figs. 13 and 14 that additionally includes a foldable support structure 10 arranged between the shelf panel 4 and the floor or another support surface on which the shelving rests in the expanded position.
  • the cinematic linking panel 5 has been omitted to show the support structure 10 more clearly, although the foldable shelving of Fig. 18 actually comprises a couple of narrow cinematic linking panels 5 (not shown) installed in a manner analogous to that described above on both sides of the support structure 10 so as not to interfere therewith.
  • Figs. 19 and 20 show said support structure 10 according to the embodiment of Fig. 18 , which comprises two vertical structure panels 11, 12 of corrugated cardboard or a similar material, each of which has a one vertical folding line 11a, 12a in its middle region and a couple of linear cuts 11b, 12b parallel to said vertical folding line 11a, 12a on opposite sides of said vertical folding line 11a, 12a.
  • the structure panels 11, 12 also have respective fastening fins 11c, 12c on opposite edges thereof.
  • the two structure panels 11, 12 folded by their vertical folding lines 11a, 12a are assembled by the mutual engagement of their linear cuts 11b, 12b, as shown in Fig. 20 .
  • the support structure 10 is housed inside the foldable shelving base with the fastening fin 11c of one o the structure panels 11 attached to the rear panel 1 and the fastening fin 12c of the other structure panel 12 attached to the inner side of the support panel 3. This way, the support structure 10 is moved between a folded position and an expanded position along with the rear, side and support panels 1, 2, 3 when the latter are moved between the folded position and the expanded position.
  • the height of the support panels 11, 12 is selected so that, in the expanded position, top edges thereof are arranged to support the shelf panel 4 and bottom edges thereof are arranged to rest on the floor or another support surface.
  • the structure panels 11, 12 preferably include respective windows 11d, 12d ( Fig. 19 ) which the elastic member 14 goes through in the operational situation ( Fig. 18 ).
  • Fig. 21 shows a foldable piece of shelving similar to the one shown in Fig. 18 , but including a variant of the foldable support structure 10 housed inside the base.
  • the foldable structure comprises a plurality of vertical structure panels 13a-13e hingedly attached to each other by means of vertical hinge lines forming an accordion structure.
  • one of the structure panels 13a located at one end of the accordion structure is hingedly attached to the rear panel 1 and the structure panel 13e located at the other, opposite end of the accordion structure is hingedly attached to the support panel 3.
  • the support structure 10 moves between folded and expanded positions along with the remaining shelving panels. In the expanded position, the shelf panel 4 is supported on one of the top edges of the structure panels 13a-13e, whereas bottom edges thereof rest on the floor or another support surface.
  • the structure panels 13a-13e are preferably obtained from one single board of corrugated cardboard or a similar material provided with parallel folding lines 21 that provide the hinged attachment therebetween, and from the structure panels 13a, 13e located at opposite ends of the board there extend fastening fins 22a, 22b providing hinged attachment to the rear and support panels 1, 3.
  • Some of the selected structure panels 13b, 13d preferably include respective windows 23 ( Figs. 22 and 23 ) which respective elastic members 14 go through in the operational situation ( Fig. 18 ).
  • Figs. 24 and 25 show another alternative embodiment of the foldable shelving of the present invention, wherein, instead of the connection panels 6 previously described, the first cinematic linking means comprise, on each side panel 2, a longitudinal folding line 7 substantially parallel to the corresponding side edge of the rear panel 1.
  • This longitudinal folding line 7 is located between the support panel 3 and the rear panel 1 when the shelving is in the expanded position.
  • the support panel 3 has its opposite side edges hingedly attached to the side panels 2, near their free front edges or directly on its free front edges, and the cinematic linking panel 5 is hingedly attached to the rear and support panels 1, 3, as previously described.
  • fastening fins 3a for the hinged attachment to side panels, and in the free ends of said fastening fins 3a hooking members 3b ( Fig. 25 ) are formed on which the flexible member 14 hooks.
  • the rear half of the side panels opens outwardly while the front half folds inwardly and overlaps the rear half. For this reason, in the folded situation the shelving has a smaller width than that of the previously described embodiments.
  • Figs. 26 and 27 illustrate how a foldable piece of shelving according to the present invention can be moved from the folded position (close to the one shown in Fig. 26 ) to a compact folded position ( Fig. 27 ).
  • the rear panel 1 and the side panels 2 comprise a transversal folding line 15 substantially perpendicular to the side edges of the rear panel 1, so that the shelving can be moved from the folded position to the compact folded position by bending the rear panel 1 and the side panels 2 along said transversal folding line 15.
  • the members 3, 4, 5, 6 forming the top shelf are arranged above the transversal folding line 15 and the members 3, 4, 5, 6 forming the lower shelf and the base are found below the transversal folding line 15, so that they do not interfere with the folding.
  • the top portion of the rear and side panels 1, 2 is folded forwardly, so that the members 3, 4, 5, 6 forming the top shelf and the lower shelf with the base are left overlapping each other and substantially covered by the corresponding halves of the rear and side panels 1, 2 when the shelving is in the compact folded position ( Fig. 27 ).
  • the top portion of the rear and side panels 1, 2 can be folded backwards, that is, with the two halves of the rear and side panels 1, 2 arranged back to back on the inner side and the members 3, 4, 5, 6 forming the top shelf and the lower shelf with the base arranged on the outer sides.
  • Figs. 28 and 29 show a detail of the inner side and the outer side, respectively, of the transversal folding line 15 in a region where the side panel 2 has a fold that provides a two-layered region 2a.
  • this fold and the two-layered region 2a are located along the free front edges of the side panels 2 to reinforce said edges and, at the same time, to present a smooth edge 2b hiding the internal structure of the corrugated cardboard or a similar material, which would be visible in said edges if the fold did not exist.
  • the transversal folding line 15 comprises, in the single-layered regions 2, two mutually parallel first complementary folding lines 15a, 15b separated by a first distance d1, and, in the two-layered regions 2a, two mutually parallel first complementary folding lines 15c, 15d separated by a second distance d2 smaller than said first distance d1.
  • Each of said first complementary folding lines 15a, 15b comprises, in at least one section of its length, a partial cut-off line on an outer side of the panel ( Fig. 29 ) and a folding line on the opposite, inner side of the panel ( Fig.
  • each of the second complementary folding lines 15c, 15d comprises a partial cut-off line on an outer side of the two-layered region 2a of the panel ( Fig. 29 ) and a folding line on the opposite, inner side of the two-layered region (2a) of the panel ( Fig. 28 ).
  • the first and second complementary folding lines 15a, 15b; 15c, 15d are bounded by a complete transversal cut-off line 16 in the boundary between the single-layered region 2 and the two-layered region 2a.
  • the fold can alternatively provide a region with a thickness of more than two layers, or the region of two or more layers can be formed by overlaid, bonded layers of corrugated cardboard or a similar material without the presence of a fold, the technique described in connection with Figs. 28 and 29 being applicable in any case.
  • said distance d2 is approximately the same as the first distance d1 minus two times the thickness of the corrugated cardboard or a similar material.
  • the second distance d2 is approximately equal to the first distance d1 minus two times the thickness of the additional layer or layers of said multilayered region 2a.
  • the first distance d1 is selected so as to provide a spine of a desired width, for instance for housing the members 3, 4, 5, 6 forming the shelves in the compact folded position.
  • the transversal folding line 15 including the first and second complementary folding lines 15a, 15b; 15c, 15d and the complete transversal cut-off line 16 are compatible with other longitudinal folding lines 24, including split lines, partial cut-off lines or combinations of both, such as, for instance, the folding lines connecting the rear panel 1 with the side panels 2.
  • Figs. 30 and 31 show a foldable piece of shelving according to an additional embodiment of the present invention, which is essentially analogous to the shelving previously described in connection with Fig. 13 , with the addition of a stepped structure 17 arranged on the shelf panel 4 associated to the support panel 3 forming the base.
  • Fig. 32 shows the construction of the stepped structure 17, which comprises a top stepped shelf panel 18 having a rear edge hingedly attached to the rear panel 1 and a stepped support panel 19 having a top edge hingedly attached to a front edge of said stepped shelf panel 18 and a bottom edge hingedly attached to the shelf panel 4.
  • the stepped structure 17 comprises an additional stepped shelf 18a having a rear edge hingedly attached to the stepped support panel 19 and an additional stepped support panel 19a having a top edge hingedly attached to a front edge of said additional stepped shelf panel 18a and a bottom edge hingedly attached to the shelf panel 4.
  • stepped structure 17 can be moved from a folded position to an expanded position along with the rear, side, support and shelf panels 1, 2, 3, 4 of the foldable shelving when they are moved between the folded position and the expanded position.
  • the stepped shelf panel 18 and a front panel 19b corresponding to the top step, as well as the additional stepped shelf panel 18a and the additional stepped support panel 19a corresponding to the bottom step are formed from a board of corrugated cardboard or a similar material provided with folding lines between the panels and with fastening fins 25, 26 on their ends for the bonded fastening to the rear panel 1 and to the shelf panel 4, whereas the stepped support panel 19 corresponding to the top step is formed by another board of the same material fastened to the inner side of said front panel 19b and provided on its bottom end with a fastening fin 27 for the bonded fastening to the shelf panel 4.
  • the additional stepped support panel 19a acts at the same time as a front panel for the bottom step.
  • Other configurations will occur to a skilful artisan without departing from the scope of the present invention.
  • Figs. 33 to 35 show a foldable piece of shelving according to another additional embodiment of the present invention, which is entirely analogous to the shelving previously described in connection with Figs. 1 to 5 , with the difference that, here, the side panels 2 include top and front reinforcement fms 28, 29 that extend from their top and front edges, respectively ( Fig. 33 ). These top and front reinforcement fins 28, 29 are connected to the respective side panels 2 by means of folding lines 30 and, in a usage situation ( Figs. 34 and 35 ), they are bent around said folding lines 30 and attached to bottom surfaces of the side panels 2, for instance through an adhesive. This way, the top and front edges of the side panels 2 are reinforced by the top and front reinforcement fins 28, 29 and, in addition, they have a neat appearance, since the internal structure of the corrugated cardboard remains hidden.
  • notches 31 having horizontal bottom edges 31 a ( Fig. 35 ) that are at the level of the bottom surfaces of the shelf panels 4 when the foldable shelving is in the expanded position.
  • the side edges of the shelf panels 4 are in contact with the inner surfaces of the side panels 2 and the front ends of the shelf panels 4 become inserted in the notches 31 and lean on the horizontal bottom edges 31a thereof, providing therewith additional support for the shelf panel 4.
  • the support panel 3 has been omitted for purposes of clarification of the drawing.
  • the shelf panel 4 also leans on the top edges of the support panel 3, of the connection panels 6 and of fastening fins 6a.
  • Fig. 36 shows an exploded view of members 3, 4, 5, 6 forming the shelf and its support and cinematic linkage mechanism according to a variation of the same elements described above in connection with Fig. 2 .
  • said members are grouped in only three pieces 33, 34, 35.
  • a first one 33 of the pieces is formed by the shelf panel 4 and its corresponding fastening fin 4a.
  • the second piece 34 includes the support panel 3, the connection panels 6 and the fastening fins 6a.
  • the third piece 35 integrates the cinematic linking panel 5, the fastening fin 5a, which is attached to a front edge of the cinematic linking panel 5 by a folding line and, in a usage situation, is attached to the support panel 3, for instance through an adhesive, and a reinforcement panel 32, which is attached to a rear edge of the cinematic linking panel 5 by a folding line 32a and, in a usage situation, is attached to the bottom surface of the shelf panel 4, for instance, through an adhesive.
  • Said reinforcement panel 32 has the same dimensions as the shelf panel 4, which greatly facilitates the positioning of the third piece 35 in the bonding operations. Once bonded, the reinforcement panel 32 provides a global reinforcement of the shelf panel 4 and, in addition, acts as the fastening fin 5b described above in connection with Fig. 2 .
  • Figs. 37 to 41 show another additional embodiment of the foldable shelving of the present invention that, like the above embodiments, comprises a rear panel 1, a couple of side panels 2 hingedly attached to opposite vertical edges of the rear panel 1, a shelf panel 4 attached to the rear panel 1 by a horizontal hinge line, a support panel 3 hingedly attached to the side panels 2 by a couple of connection panels 6 forming the first cinematic linking means, and a cinematic linking panel 5 forming the second cinematic linking means hingedly attached, on one end, to the support panel 3 and, on the other end, to the shelf panel 4.
  • the shelf panel 4 and the cinematic linking panel 5 are formed by one single cardboard piece 37 provided with a V-cut 36 (best shown in Fig. 38 ) does not affect the underside of the piece 37, so that, in the expanded position ( Figs. 37, 39 and 40 ), the shelf panel 4 and the cinematic linking panel 5 are arranged coplanarly in a horizontal position, jointly offering a complete shelf, wherein the facing edges of the V-cut 36 lean on one another providing enough resistance to the shelf to withstand loads not surpassing a predetermined threshold.
  • the piece 37 bends around the V-cut 36 and the cinematic linking panel 5 fulfils its function as the second cinematic linking means for folding the shelf panel 4.
  • Figs. 42 to 44 show yet another additional embodiment of the present invention where the foldable shelving comprises a rear panel 1, side panels 2, a support panel 3, a shelf panel 4, a cinematic linking panel 5, a couple of connection panels 5 and a stepped structure 17 analogous to those described above in connection with Fig. 30 .
  • the rear panel 1 and the side panels include a transversal folding line 15.
  • the side panels 2 include folding lines 38 parallel to the vertical front edges thereof.
  • the portion of the side panels 2 comprised between these folding lines 38 and said vertical front edges defines fins 39 that, in the expanded position, are arranged coplanarly with the rest of the respective side panels 2 because they are pressed against the connection panels 6 by the force of the elastic member 14.

Landscapes

  • Assembled Shelves (AREA)
  • Handcart (AREA)
EP11791964.7A 2010-06-08 2011-06-07 Fold-out shelving unit made of cardboard or a similar material Withdrawn EP2580997A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201000750A ES2372076B1 (es) 2010-06-08 2010-06-08 Estantería plegable de cartón o material similar.
PCT/ES2011/000189 WO2011154568A1 (es) 2010-06-08 2011-06-07 Estantería plegable de cartón o material similar

Publications (1)

Publication Number Publication Date
EP2580997A1 true EP2580997A1 (en) 2013-04-17

Family

ID=45097561

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Application Number Title Priority Date Filing Date
EP11791964.7A Withdrawn EP2580997A1 (en) 2010-06-08 2011-06-07 Fold-out shelving unit made of cardboard or a similar material

Country Status (5)

Country Link
US (1) US20140014606A1 (es)
EP (1) EP2580997A1 (es)
ES (1) ES2372076B1 (es)
MX (1) MX2012014308A (es)
WO (1) WO2011154568A1 (es)

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Also Published As

Publication number Publication date
WO2011154568A1 (es) 2011-12-15
ES2372076A1 (es) 2012-01-13
WO2011154568A8 (es) 2013-01-31
MX2012014308A (es) 2013-03-05
ES2372076B1 (es) 2012-11-19
US20140014606A1 (en) 2014-01-16

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