EP0503641A1 - Modulares Regalsystem aus Draht und Herstellungsmethode der Regale und der darin eingebauten senkrechten Stützen - Google Patents

Modulares Regalsystem aus Draht und Herstellungsmethode der Regale und der darin eingebauten senkrechten Stützen Download PDF

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Publication number
EP0503641A1
EP0503641A1 EP92104306A EP92104306A EP0503641A1 EP 0503641 A1 EP0503641 A1 EP 0503641A1 EP 92104306 A EP92104306 A EP 92104306A EP 92104306 A EP92104306 A EP 92104306A EP 0503641 A1 EP0503641 A1 EP 0503641A1
Authority
EP
European Patent Office
Prior art keywords
shelf
ribs
projection
frame
vertical
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Withdrawn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
EP92104306A
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English (en)
French (fr)
Inventor
Robert J Welch
Michael J Sudimak
Joseph P Jones
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intermetro Industries Corp
Original Assignee
Intermetro Industries Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Intermetro Industries Corp filed Critical Intermetro Industries Corp
Publication of EP0503641A1 publication Critical patent/EP0503641A1/de
Withdrawn legal-status Critical Current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
    • A47F5/13—Adjustable or foldable or dismountable display stands made of tubes or wire
    • 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
    • A47B55/00—Cabinets, racks or shelf units, having essential features of rigid construction
    • A47B55/02—Cabinets, racks or shelf units, having essential features of rigid construction made of wire

Definitions

  • the present invention relates to an improved modular shelving system primarily for home use. More particularly, the present invention relates to an inexpensive shelving system for home use having modular components that can be easily assembled and disassembled without any tools, for shipment, storage, cleaning, and for changing the height of the shelves in of the shelving system.
  • Modular shelving systems are well known.
  • U.S. Patents Nos. 3,138,123 and 3,208,408 disclose knockdown shelving units that have achieved great commercial success under applicants' assignees' trademark ERECTA SHELF and that do not require tools for their assembly.
  • These systems comprise a plurality of shelf components supported by two vertical supports.
  • Each vertical support comprises two pairs of vertical rods interconnected by spaced horizontal stiffeners that form transverse supports for the shelf components.
  • the central part of each stiffener includes a U-shaped portion that can elastically expand when appropriately stressed.
  • the space separating the two pairs of vertical rods is smaller than the overall width of the shelf components.
  • the shelf components must be tilted and forced down between the two pairs of vertical rods.
  • the U-shaped portion of the stiffener permits this wedging action by expanding when each shelf component is forced between the two pairs of vertical rods.
  • This wedging action is also facilitated by the use vertically spaced ribs of front and rear frames of each shelf component.
  • the exterior edges of the ends of these ribs are formed with notched ends that engage the vertical rods when the shelf component is wedged between the two pairs of vertical rods.
  • the notches in the ends of the ribs are made sufficiently large to permit the insertion of the shelf components between the pairs of vertical rods.
  • the shelving system of the present invention comprises a shelf and means for supporting the shelf.
  • the shelf comprises an object carrying portion or mat for supporting objects, and a number of projections connected to and projecting from the mat.
  • the means for supporting the shelf comprises a pair of vertical supports each having two pairs of vertical members spaced apart by a distance sufficient to permit the insertion of one projection from the shelf therebetween but to prevent substantial horizontal movement of the projection.
  • the supporting means also comprises a horizontal support, connected between the two pairs of vertical members, which is adapted to carry a portion of the shelf in that vertical direction.
  • the shelf includes a frame surrounding and attached to the mat. Each projection protrudes from that frame.
  • the frame comprises two lateral frame members and front and rear frame members attached to the two lateral frame members.
  • the projections may be formed integrally with the front and rear frame members or the lateral frame members.
  • the shelving system also includes a plurality of transverse rods connecting the front and rear frame members at different points along the length thereof.
  • the mat comprises a plurality of substantially parallel mat ribs attached to the frame members and the transverse rods.
  • each transverse rod extends at substantially a right angle to the parallel mat ribs.
  • a generally sinuously formed wire can be provided to connect those frame members at spaced points along the length thereof. Such a wire may also be connected between the lateral frame members.
  • each of the spaced ribs defining the front and rear frame members form the projections by being bent substantially horizontally at approximately right angles with respect to a remaining portion of each of such spaced ribs.
  • the lateral frame members each comprise two vertically spaced ribs. In this embodiment, the end portion of each of those spaced ribs form the projections by extending in the same direction as a remaining portion thereof.
  • the elements of the frame members, transverse rods and shelf mat are metal wire rods. These wire rods are interconnected by welding.
  • the shelving system may further comprise a snap-on cover adapted to snap over the projections from the shelf frame and the portion of the pair of vertical support members horizontally adjacent each such projection when inserted between the spaced vertical support members.
  • each projection from the shelf frame comprises a detachable snap-on element adapted to snap onto a portion of the frame and onto each of the two vertical support members.
  • the present invention relates specifically to a shelf for a shelving system configured to be supported by at least one pair of spaced vertical supports connected by a horizontal support.
  • the shelf comprises a frame that includes a plurality of ribs.
  • One of the ribs comprises two projections protruding in the same direction beyond the outer periphery of the frame. Each projection is sufficiently narrow to permit insertion thereof between the pair of spaced vertical supports but is sufficiently wide to permit no substantial horizontal movement when inserted between the pair of spaced vertical supports.
  • the shelf also comprises a plurality of ribs attached to and extending within the frame to define an object carrying surface or mat within the frame thus for supporting objects.
  • the shelf mat still further comprises a plurality of transverse ribs extending transversely to and connected to the bottom of the plurality of ribs defining the object carrying surface.
  • Another of the ribs comprises two projections in the same direction beyond the outer periphery of the frame.
  • the ribs comprising the two projections are vertically spaced and are connected at a plurality of points along the length thereof by the plurality of transverse rods.
  • the portion of each transverse rod which connects the ribs comprising the two projections extends at substantially a right angle to the portion of each transverse rod which is attached to the bottom of each of the plurality of ribs defining the object support surface.
  • the present invention also contemplates a method of making both the vertical support structures and the shelves by a continuous welding and subsequent wire bending procedure described in detail hereinafter.
  • the shelving system 10 of the present invention generally comprises a plurality of horizontal wire shelves 12 and a vertical wire support arrangement 14 for supporting the shelves 12.
  • each of the wire shelves 12 and the wire support arrangement 14 are composed of a plurality of metal wires that are welded together.
  • a large wire mat larger than the individual shelves 12, is continuously constructed by welding individual wire rods together. The large mat is then cut generally to form the individual shelves 12.
  • the final desired configuration of each single wire shelf 12 is formed by bending individual components to the desired shape after the large mat is cut. Consequently, the shelving system 10 is capable of supporting heavy loads and can be manufactured quickly and inexpensively.
  • the shelving system 10 is a modular one that can be shipped and stored in component pieces which can be easily assembled and disassembled. More particularly, the shelving system 10 includes two types of modular components, namely at least one shelf 12 and two lateral support structures 16 that together form the support arrangement 14 and support the respective opposing lateral sides of each shelf 12. Each lateral support structure 16 comprises two spaced vertical corner posts 18 rigidly connected by a plurality of horizontal rods 26, as will be discussed in more detail below.
  • each corner post of each vertical structure 16 comprises two spaced vertical rods 24 connected by the horizontal rods 26.
  • Each horizontal rod 26 supports the end of a rib 40 projecting from a frame of the shelf mat 12.
  • any one of the shelves 12 can be changed by reversing this process, without removing any of the other shelves 12, and repositioning the one shelf.
  • the simplicity of this design reduces manufacturing costs.
  • the simplicity of the method for assembling the shelving system 10 and changing the height of the individual shelves 12 renders the system convenient and easy to use.
  • the support arrangement 14 comprises the two vertical support structures 16.
  • Each support structure 16 comprises two spaced vertical corner posts 18, namely a front vertical corner post 20 and a rear vertical corner post 22.
  • Each vertical corner post 18 comprises two spaced vertical rods 24.
  • Each front corner post 20 is connected to one rear corner post 22 by a plurality of horizontal rods 26.
  • the horizontal rods 26 are bent at each end at substantially a right angle also to interconnect the vertical rods 24 of the respective front and rear corner posts 20 and 22.
  • the horizontal rods 26 perform several functions. First, they connect and rigidly hold front and rear corner posts 20, 22 together to form the lateral support structure 16. Second, the horizontal rods 26 form support surfaces for the shelves 12 as will be described in greater detail below.
  • Figure 1 shows a vertical support structure having five horizontal rods 26.
  • Figure 10 illustrates another embodiment showing such a structure with three horizontal rods 26, and
  • Figure 11 illustrates still another embodiment showing the structure with four horizontal rods 26. It should be understood that these are merely exemplary embodiments, and that the invention is not limited to the number of horizontal rods 26 or shelves 12 carried thereon shown in the drawings.
  • cross braces 28 can be attached thereto.
  • the embodiment illustrated in Figure 1 shows the top end of the cross brace 28 welded to the rear end of the uppermost horizontal rod 26 and the bottom end of the cross brace 28 welded to the front end of the lowermost horizontal rod 26.
  • FIG 1 shows only one cross brace 28 for each lateral support structure 16 is shown in Figure 1, it should be understood that two or more cross braces 28 can be used, for example, in an X-shaped configuration.
  • cross brace 28 may be omitted, whereas for taller lateral support structures 16 which are, for example, 48 inches or 54 inches tall, one or two cross braces 28 are preferably incorporated.
  • the lateral support structures 16 are also stabilized by plastic feet 60, as is shown in Figures 1, 2, 3 and 4.
  • Each foot 60 supports the two vertical rods 24 of a corner post 18, comprises a base 62 and two housings 64 which extend vertically from the base 62.
  • Each housing 64 is dimensioned to tightly receive the bottom end of one of the vertical rods 24 therein.
  • the support arrangement 14 further comprises a plurality of plastic caps 70 which are placed on the top ends of the rods 24 forming each corner post 18, as shown in Figures 1, 2, 6 and 7.
  • Each cap 70 has two housings, each dimensioned tightly to receive the top end of one of the vertical rods 24 therein.
  • the connector 80 comprises a base 82, two housings 84 extending upwardly from the base 82, and two housings 86 extending downwardly from the base 82. Pairs of the upwardly and downwardly extending housings are axially aligned as clearly shown.
  • the upwardly extending housings 84 are dimensioned tightly to receive the bottom ends of the vertical rods 24 of a corner post 18 therein.
  • the downwardly extending housings 86 are dimensioned tightly to receive the top ends of the vertical rods 24 of a different corner post 18 therein.
  • the connector 80 thus axially vertically aligns the rods of respective upper and lower corner posts of the stacked shelving systems so that the posts continue to provide primary vertical load bearing.
  • each support structure 16 can be made in a continuous mat welding process.
  • the vertical rods 24, horizontal rods 26 and cross braces 28 can be made as a continuous welded wire mat. Thereafter, sections of the continuous mat can be cut to the desired vertical height of a support structure 18 and the horizontal rods 26 can be bent near their respective ends adjacent the welded attachment to the vertical rods, at a 90 degree angle. The bending operation produces the U-shaped configuration in plan view of the horizontal rods as can be seen in Figure 1.
  • the continuous welding process described above avoids the need for making an undue number of custom welds to secure separate wire components to the structure after it is made to proper size and thereby improves the efficiency of manufacturing and reduces cost.
  • Figures 1, 2, 5, 10, and 11 show a first embodiment of each shelf 12, Figure 12 shows a second embodiment of the shelf 12, and Figure 13 shows a third embodiment.
  • Figures 5, 12, and 13 show the manner in which the corners of the shelf 12 engage the vertical support posts 18.
  • the shelf 12 in each embodiment is rectangular in shape, having four identical corner structures. However, it should be understood that it is within the scope of the present invention for the shelf 12 to have other shapes, such as square, triangular, or similar shapes.
  • the shelf 12 comprises a frame which surrounds and supports an object carrying portion or shelf mat 36 adapted to support objects placed thereon.
  • the frame comprises identical front and rear frame members 38 and identical lateral frame members 39.
  • the front and rear frame members 38 each comprise two vertically spaced wire ribs 40.
  • Each rib 40 comprises a major portion 42 that defines the front or rear edges of the mat 36.
  • the two ends of each rib 40 are formed with a short projection 44.
  • Each projection 44 on a given front or rear frame 38 extends horizontally in the same direction at substantially a right angle with respect to the major portion 42. In addition, the projections 44 extend beyond the front or rear edges of the object carrying portion 36.
  • the distance between the spaced vertical rods 24 of each corner post and the dimensions of the projections 44 are such as to permit the insertion of the projections 44 between the vertical rods 24 while preventing substantial horizontal movement of the projections 44 when so inserted, all as shown in detail in Figures 1 and 5.
  • the lateral frame members 39 each comprise at least one transverse rib 46 that extends transversely to the front and rear frame members 38.
  • the transverse rods 46 comprise a horizontal portion 48 to which additional mat-defining ribs 54 of the object support portion 36 are welded.
  • the transverse rods 46 each comprise at each end a connecting portion 50, which is bent downwardly at substantially a right angle with respect to the horizontal portion 48. Connecting portions 50 are welded near the lateral extremes of the major portions 42 of ribs 40 of the front and rear frame members 38.
  • transverse rods 56 are welded to the bottom of the mat-defining ribs 54 of the mat 36.
  • the ends of the transverse rods 56 are also bent downwardly substantially at a right angle with respect to the major portion of each welded to the bottom of the ribs 54.
  • the ends of the transverse rods 56 are thus welded to the portions 42 of the front and rear frame member ribs 40 at spaced points along the lengths thereof.
  • the wires comprising the various frame members can be of a higher gauge than or the same gauge as the wires comprising the object support portion 36.
  • the shelf mat structure may be made by a continuous welding process in which, for example, the mat-defining ribs 54 and front and rear frame ribs 40 are laid in parallel, and the transverse ribs 56 and 46 are welded perpendicularly thereto.
  • the transverse ribs 56 and 46 are then cut to desired length and bent at opposing ends to cause the two ribs 40 at each end thereof to depend from the major portion of the mat and define the front and rear frame members.
  • the mat-forming wires are cut to shorter length to define the shelf mat, while the front and rear frame member ribs 40 are left longer and bent at 90 degrees to define the projections 44.
  • other orders of performing these manufacturing steps may be contemplated by those skilled in the art.
  • a plastic snap-on cover 58 is illustrated that is adapted to snap over the two projections 44 and the portion of vertical rods 24 that are horizontally adjacent the projections 44 when inserted between the vertical rods 24. More specifically, the cover 58 comprises a central section 59 dimensioned to permit snapping over the ends of the projections 44, and two outer sections 61 dimensioned to permit snapping onto the portions of the vertical rods 24 adjacent the projections 44. Accordingly, this cover provides an aesthetically pleasing appearance.
  • FIGS 10 and 11 illustrate an accessory for the shelving system of the present invention in the form of a rear side-to-side cross brace 45 that diagonally interconnects the opposing lateral supports.
  • This cross brace 45 may be provided with a sheppard's hook 47 at each end, each of which embraces one horizontal support 26 in the region of the rear corner posts 22 at the opposing top and bottom of the respective vertical support structures 16.
  • two such cross braces 45 may be provided at the rear of a shelving system assembly and would be arranged in an X-shaped configuration.
  • Figure 12 illustrates a second embodiment of the present invention, in which elements having the same structure or function as elements of the first embodiment are labelled with the same reference numerals.
  • this second embodiment uses an intermediate snap-on coupling member 90 for coupling the corner of the shelf 12 to the vertical corner post 18.
  • the coupling member 90 comprises a base 91 formed with two vertically extending channels 93 that share a common wall 95 and that are spaced to snap onto and embrace both of the vertical rods 24 comprising a corner post 18.
  • the common wall 95 is adapted to be inserted between the vertical rods 24.
  • Facing the shelf 12 are a pair of parallel flanges 97 that together define a channel 99 adapted to receive the depending end or connecting portion 50 of one transverse rod 46 between the ribs 40 of a front or back frame member.
  • the upper most of the ribs 40 is then carried on the tops 101 of the flanges 97 while the bottom of the housing 90 is supported on a horizontal rod 26 of a vertical support structure 16, thereby to vertically support the shelf mat.
  • Figure 13 illustrates a third embodiment of the present invention. Again in this figure, elements having the same structure or function as elements of the first embodiment are labelled with the same reference numerals. This embodiment differs from the first embodiment in that the projections that are inserted between the vertical rods 24 of each corner post are not projections bent from ribs 40 forming the front and rear frame members 38. Rather, extensions of transverse rods 46 defining the lateral frame members 39 constitute the projections 44a to be inserted between the vertical rods 24 defining each corner post.
  • the lateral frame members 39 and the front and rear frame members 38 each comprise two vertically spaced ribs 46 and 40 respectively that are straight.
  • the ends of the spaced ribs 40 of the front and rear frame members 38 are welded at a welding point to the respective spaced ribs 46 of the lateral frame members 39.
  • the welding point is spaced from the ends of those ribs 46. Consequently, the extremes of the ribs 46 of the lateral frame members 39 define the projections 44a which are inserted between adjacent vertical rods 24.
  • the distance between the spaced vertical rods 24 and the dimensions of the projections 44a are such as to permit the insertion of the projections 44a between the vertical rods 24 while preventing substantial horizontal movement of the projections 44a when so inserted.
  • the end of the lower most rib 40 is supported on the horizontal rod 26.
  • this third embodiment is shown with an enhanced stiffening structure in the form of a generally sinuous or "snake-like" wire 92 welded between the ribs 40 and 46 of the respective front, rear and lateral frame members.
  • this stiffening wire may also be used in the other embodiments.
  • one shelf configuration now contemplated incorporates the front and rear frame members each comprised of upper and lower spaced wire ribs 40, bent at their opposing ends to form projections 44, all as shown in Figures 1 and 5.
  • a snake-like stiffening member 92 such as shown in Figure 13, is welded between these spaced wire ribs.
  • a single lateral frame wire 46 is provided at each side of the shelf and is welded to the undersides of the upper ribs 40 and of the mat-forming wires 54.
  • the depending connecting portions 50 of these frame wires 46 and the depending portions of each mat-forming wire 56, shown in Figure 1 are omitted. That is each of the frame wires and mat-forming wires terminates at and is welded to the bottom of the upper rib 40.
  • the present invention provides many improvements over known shelving systems, especially those for home use, in the areas of ease of assembly and low cost manufacture.

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  • Assembled Shelves (AREA)
  • Cabinets, Racks, Or The Like Of Rigid Construction (AREA)
EP92104306A 1991-03-13 1992-03-12 Modulares Regalsystem aus Draht und Herstellungsmethode der Regale und der darin eingebauten senkrechten Stützen Withdrawn EP0503641A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66902691A 1991-03-13 1991-03-13
US669026 1991-03-13

Publications (1)

Publication Number Publication Date
EP0503641A1 true EP0503641A1 (de) 1992-09-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP92104306A Withdrawn EP0503641A1 (de) 1991-03-13 1992-03-12 Modulares Regalsystem aus Draht und Herstellungsmethode der Regale und der darin eingebauten senkrechten Stützen

Country Status (3)

Country Link
EP (1) EP0503641A1 (de)
JP (1) JPH05192229A (de)
CA (1) CA2062912A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2734138A1 (fr) * 1995-04-25 1996-11-22 Chenel Guy G Element de separation pour manifestations temporaires ainsi que les cloisons realisees a l'aide de cet element
FR2734137A1 (fr) * 1995-04-25 1996-11-22 Chenel Guy G Cloison pour stand d'exposition temporaire ainsi que les stands realises a l'aide de cette cloison
GB2340733A (en) * 1998-07-28 2000-03-01 Hsin Chen Yang A fixing for horizontal frames in racking

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6526897B1 (en) * 2000-09-21 2003-03-04 V. John Ondrasik Shelving system
US7249442B2 (en) * 2005-04-11 2007-07-31 Ridg-U-Rak, Inc. Storage rack vibration isolators and related storage rack systems
JP2011160952A (ja) * 2010-02-09 2011-08-25 Protrend Co Ltd 組立式ラックの二線側架と棚材の組合せ構造
KR102022027B1 (ko) * 2018-04-05 2019-09-17 최문규 조립식 선반

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138123A (en) * 1961-07-25 1964-06-23 Maslow Louis Knockdown shelving unit
US3146735A (en) * 1962-05-21 1964-09-01 Kesilman Sol Shelving device
US3183862A (en) * 1963-12-10 1965-05-18 Monticello Mfg Corp Foldable display device
US3743105A (en) * 1971-03-18 1973-07-03 M David Merchandise display apparatus
FR2590144A1 (fr) * 1985-11-15 1987-05-22 Lacroix Bruno Structure de materiel d'exposition realisee a partir d'elements tubulaires assembles les uns aux autres

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138123A (en) * 1961-07-25 1964-06-23 Maslow Louis Knockdown shelving unit
US3146735A (en) * 1962-05-21 1964-09-01 Kesilman Sol Shelving device
US3183862A (en) * 1963-12-10 1965-05-18 Monticello Mfg Corp Foldable display device
US3743105A (en) * 1971-03-18 1973-07-03 M David Merchandise display apparatus
FR2590144A1 (fr) * 1985-11-15 1987-05-22 Lacroix Bruno Structure de materiel d'exposition realisee a partir d'elements tubulaires assembles les uns aux autres

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2734138A1 (fr) * 1995-04-25 1996-11-22 Chenel Guy G Element de separation pour manifestations temporaires ainsi que les cloisons realisees a l'aide de cet element
FR2734137A1 (fr) * 1995-04-25 1996-11-22 Chenel Guy G Cloison pour stand d'exposition temporaire ainsi que les stands realises a l'aide de cette cloison
GB2340733A (en) * 1998-07-28 2000-03-01 Hsin Chen Yang A fixing for horizontal frames in racking
GB2340733B (en) * 1998-07-28 2001-11-21 Hsin Chen Yang Component assembly of rack

Also Published As

Publication number Publication date
JPH05192229A (ja) 1993-08-03
CA2062912A1 (en) 1992-09-14

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