EP0945088A1 - Selbstverriegelnde Struktur für Regale, BIbliothek oder Schaukasten - Google Patents

Selbstverriegelnde Struktur für Regale, BIbliothek oder Schaukasten Download PDF

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Publication number
EP0945088A1
EP0945088A1 EP99400661A EP99400661A EP0945088A1 EP 0945088 A1 EP0945088 A1 EP 0945088A1 EP 99400661 A EP99400661 A EP 99400661A EP 99400661 A EP99400661 A EP 99400661A EP 0945088 A1 EP0945088 A1 EP 0945088A1
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EP
European Patent Office
Prior art keywords
post
tablet
axis
structure according
revolution
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Withdrawn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
EP99400661A
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English (en)
French (fr)
Inventor
Régis Delaizir
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP0945088A1 publication Critical patent/EP0945088A1/de
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/06—Brackets or similar supporting means for cabinets, racks or shelves

Definitions

  • the subject of the invention is a self-locking structure, especially shelving, shelves, bookcase or display stand. Shelves or shelves or panels (horizontal or inclined) are blocked on the uprights of the structure thanks to a new assembly system.
  • the Häfele company offers the "grazing" system, which includes the fixing in the upright of a cylinder, the axis thereof being parallel to the upright, and having on the other hand a flat in contact with the upright.
  • the tablet then presents a corresponding recess.
  • This system has the major drawback that the tablet rests on this cylinder by only part of its thickness; the tablet is therefore weakened at the level of contact.
  • the invention provides a solution to the problems raised above, the structure according to the invention offering both solidity and modularity.
  • the structure according to the invention is self-locking.
  • the invention provides a self-locking structure comprising at least two uprights (1a, 1b, 1c) and at least one shelf (2) in contact with these uprights, the uprights each having at least one stud (3a, 3b, 3c) and the tablet with corresponding mortises (4a, 4b, 4c), characterized in that the pins have, compared to the amounts on which they are fixed, a concavity in a plane along the axis of the upright, the tablet mortises having a corresponding shape substantially to that of the post in order to cooperate with it to create a pulling effect, said post being a volume of revolution (which can be total or only partial), the axis of revolution being perpendicular to the amount on which said post is fixed.
  • the volume of revolution is not truncated or truncated in a plane comprising the axis of fixing or not.
  • the fixing axis of the post is offset from the axis of revolution of the volume of revolution.
  • the post is a sphere coming into contact with the post on which the post is fixed.
  • the volume of revolution forming a post has a flat at the level of contact with the amount.
  • the mortise is a recess whose depth, along the axis of attachment of the associated post, corresponds to the dimension of said post according to this axis.
  • the mortise is a recess whose depth in the thickness of the tablet is between 0.25 and 0.75 times the thickness of the associated post, measured parallel to the amount on which it is fixed.
  • the mortise is a recess corresponding substantially identically to the half of the tenon of revolution.
  • the post is a sphere, having a flat in contact with the amount on which it is fixed, which is further truncated in a plane including the fixing axis or not, and the mortise is a recess in the form of a sphere, these two spheres presenting roughly the same diameter, the depth of the recess in the thickness of the shelf is such that the post will come flush with the surface of the tablet.
  • the structure comprises a bottom upright and at least two side uprights, forming at least one box, each post including a tenon for the corresponding tablet, said tablet comprising three mortises.
  • the tenon is a sphere, possibly having a flat in contact with the amount on which it is fixed, and the mortise is a sphere-shaped recess, these two spheres having substantially the same diameter, the depth of the recess, along the axis of attachment of the post associated, corresponding to the dimension of said sphere forming a post along this axis, and the depth of the recess, in the thickness of the shelf is included between 0.4 and 0.6 times the diameter of the sphere, advantageously about the radius thereof.
  • the structure according to the invention can in particular form shelving, shelves, bookcase or display.
  • Figures 8A to 8E show various variants tenons and mortises according to the invention, with the top towards the bottom of the figure a view from the top of the post, a view side of the tenon, a front view of the mortise and a view in section of the mortise.
  • Figure 1 is an enlarged sectional view of the system assembly according to the invention.
  • a upright the vertical
  • a shelf (2) horizontal as well as the tenon (3a) and the mortise (4a) according to the invention.
  • the post (3a) is fixed to the upright, for example by through a screw.
  • the principle of the invention is as the shelf or shelf (2), resting on the tenon (3a) in the shape of a ball, through the mortise (4a) hollowed out according to a corresponding sphere, will come block against the amount.
  • FIG 2 is an enlarged sectional view of the system assembly according to the invention, representing the differences in forces involved.
  • the situation represented in Figure 2 is a situation during assembly.
  • the tablet (2) is presented, at the level of the mortise (4a), slightly offset from the tenon ball (3a) as it happens in reality during the phase mounting shelving or library.
  • F1 force action force
  • F2 reaction force
  • the point of contact between the tenon and mortise is located in (c), namely at the level of the concavity formed by the post and the amount, by the specific shape of the post.
  • the mortise presents, in section, along the vertical plane passing through the axis of the tenon, an arc whose corresponding arrow can be horizontal (or parallel to the axis of the tablet).
  • the mortise acts like a hook, cooperating with the concave part delimited by the post (and the amount associated).
  • Figure 3A is another sectional view, along a different angle.
  • the face of the tablet shown is the one in contact with the upright.
  • the fine line in the tablet represents the interior recess of mortise 4a corresponding to the sphere forming a post 3a.
  • the state shown in figure 3 corresponds to the one of figure 1, after the state represented figure 2.
  • We therefore notice that the weight is evenly distributed, which therefore allows the shelf to rest on the whole of its height (the arrows are distributed in the volume).
  • Figure 3B Another variant is shown in Figure 3B; he this is the case where the diameter of the mortise is slightly lower than the tenon. The latter case is shown with a post 3a, slightly larger in diameter than that mortise.
  • the weight will then be distributed over the crown at the level of which the contact takes place the tenon and the mortise, again the weight is supported throughout the thickness of the tablet (the arrows are here over the entire thickness.
  • This variant can be advantageous since the standards of industrial manufacturing are not always very precise and also insofar as wear (inevitable) is then compensated, without leading to a game.
  • Figure 4A is a top view of the structure according to the invention.
  • the amount (1a) is the bottom amount, while the uprights (1b and 1c) are the side uprights.
  • the tablet (2) is indicated by dotted lines.
  • the bottom amount is inserted between the two side uprights; this has the advantage better aesthetics at the side uprights.
  • Optional grooves (11a and 12a) can allow block the bottom post in depth.
  • a post (3a) on the bottom upright provides an additional support point central for the tablet, thus avoiding a sagging of this one.
  • Figure 4B is a view similar to that of FIG. 4A, but according to the initial mounting configuration: the arrows indicate the forces that apply during assembly and in the case deformation. We notice again immediately that the structure according to the invention is self-locking.
  • FIG. 5A is a front view of a structure according to the invention, while Figure 5B is a side view of the same structure, in section along line AA.
  • Figure 6 is a top view of a variant of the structure according to the invention.
  • the structure includes two lateral uprights (1b and 1c), on which are present two studs each time.
  • the tablet includes four mortises which come to cooperate with these studs.
  • Such a structure is prevented in warping in a horizontal plane.
  • the thickness of each tablet prevents warping in the plane vertical.
  • Such a structure is notably obtained by insertion of shelves in a previously obtained box from uprights and boards from above and below of sufficient thickness.
  • each tablet can be removed as easily as if it were simply placed on cleats. So each tablet can be adjusted in height independently of the others. In particular, it is possible to adjust the height of the feet of the structure.
  • the amounts of a structure according to the invention can be perpendicular two by two, or on the contrary form a different angle. In fact, the invention allows all possible feelingsies in terms of projected shape of the structure (rectangle, trapezoid, double trapezoid, rounded, etc.).
  • the tenon is truncated (in the direction leading to a flat according to the plan of the shelf and not according to the plan of the amount), there is then possible to obtain (i) an aesthetic effect particular in the sense that the post will come flush with the surface of the tablet, which will also lead to (ii) a technical effect in the sense that the space under the shelf will be completely released, in particular to allow the insertion of a flush drawer.
  • This aesthetic effect can be reinforced if the post and shelf have the same finish. We then obtain a junction substantially invisible.
  • Figures 7A, 7A ', 7B, 7B', 7C, 7C ', 7D, 7D', 7E and 7E ' represent various ways of fixing the tenons in ball shape (or other). These figures represent two by two a front view and a 90 ° view.
  • a screw embedded by force in the ball (3a) or with double screw thread is simply screwed into the upright, with or without pilot hole.
  • the tenon and the screw can also be monobloc if they are in the same material.
  • the ball (3a) comprises a no screw into which a screw is screwed, said screw having two longitudinal grooves receiving a wire, this wire forming a loop blocked on the other side of the amount by a washer, so that the screwing action will cause tensioning of the wire and by tightening.
  • Figures 7C and 7C show the mode of realization where the pins are present on both sides of the amount, as for example in the case of a library with several boxes.
  • the two balls are connected between them by a wire forming a loop as before.
  • the uprights have T-shaped facing grooves (also called rebate), in which a washer (folded in half according to an angle corresponding to that of the post groove) can slide.
  • This washer works the same way than that used in the embodiment of the figures 7B and 7B '.
  • the ball (3a) is also the same, the wire forming always a loop. Two amounts are combined here according to what embodiment, the maintenance being ensured by pinching. This embodiment also allows, with a few quarter turns to clear the ball, then a translational movement, then tightening of the ball, a modularity.
  • Figures 7E and 7E ' show the mode of realization where the pins are present on both sides of the amount, as for example in the case of a library with several boxes.
  • the two balls are connected between them by a threaded rod (with single screw thread or multiple, over its entire length or not).
  • Appropriate studs are in particular those which are regular and correspond to regular polygons (see Figure 8E). Appropriate studs are also especially those who are revolutionary (later truncated in a plane including the axis of attachment or not), preferably not truncated.
  • the preferred post is the sphere, but any other form as defined above is adapted. Although the description is given for a sphere, it applies mutatis mutandis to any tenon according to the invention.
  • the sphere or ball (or other tenon) can be fixed to the upright by means of a part cylindrical or rod or other, thus leaving a space free between it and the amount, or on the contrary be applied against the amount. This sphere can also be truncated along a plane perpendicular to the fixing axis, the flat thus obtained coming into contact with the upright.
  • the mortise will be obtained by reproducing in the tablet a cylindrical imprint such as: the depth of the imprint, along the axis of fixation of the post (sphere), is at least equal to the radius of the sphere; preferably this depth is equal to the length (here the diameter) of the spherical post which exceeds amount (the shelves are then joined with the amount).
  • the depth of the imprint in the thickness of the tablet is chosen so as to be sufficient for ensure the "hook" effect mentioned above.
  • the depth can be of the order of at least the half the radius of the sphere, preferably about the radius of the sphere.
  • the depth of the imprint is such that a free space is obtained between the shelf and the upright, providing an effect additional aesthetics or space to accommodate wing of a stage.
  • a particular embodiment corresponds to that Figures 8A and 8B, in which the fixing axis of the tenon (for example the screw) is offset from the axis of revolution of the volume of revolution (before this one is truncated).
  • mortises according to the invention are blind (i.e. the tablet is not crossing).
  • the materials used to make the posts are classic, and include wood, glass, brass, steel, plastic, etc.
  • the materials of the uprights are classic and include wood (chipboard, medium, solid, etc.), plastic, glass, metal, etc.
  • the dimensions of the uprights, shelves, etc. are classics: height of the structure for example from 20 to 400 cm; width and depth of the box from 5 to 80 cm; height between two shelves 5 to 80 cm.
  • height of the structure for example from 20 to 400 cm
  • width and depth of the box from 5 to 80 cm
  • height between two shelves 5 to 80 cm.
  • height of the structure from 50 to 250 cm
  • width and box depth from 15 to 60 cm
  • height between two shelves from 15 to 60 cm.
  • the thickness of the uprights and shelves is variable, between 8 mm (for example for glass) and 50 mm. Variations are of course possible.
  • the dimensions of the tenons and mortises are such that the structure is effectively self-locking.
  • the diameter thereof is between 12 mm and 30 mm, while the corresponding mortise will be a sphere of one corresponding diameter.
  • each upright includes, per shelf, a shaped post a sphere 25 mm in diameter, truncated at the level of the fixing screws to form a flat 10 mm in diameter; this post is fixed in the upright by simple screwing in a pilot hole.
  • Each tablet includes three mortises formed by a spherical recess, the depth along the axis fixing the post corresponding substantially to the sphere forming a post, the depth in the thickness of the shelf being approximately 12 mm.
  • the structure is assembled by one person in less than a minute. Once installed and under load (books, trinkets, and others), the stability is perfect in all directions.

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EP99400661A 1998-03-25 1999-03-18 Selbstverriegelnde Struktur für Regale, BIbliothek oder Schaukasten Withdrawn EP0945088A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803675A FR2776489B1 (fr) 1998-03-25 1998-03-25 Structure auto-bloquante notamment de type rayonnage etagere ou presentoir comprenant des tenons et mortaises cooperant pour obtenir un effet de tirant.
FR9803675 1998-03-25

Publications (1)

Publication Number Publication Date
EP0945088A1 true EP0945088A1 (de) 1999-09-29

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EP99400661A Withdrawn EP0945088A1 (de) 1998-03-25 1999-03-18 Selbstverriegelnde Struktur für Regale, BIbliothek oder Schaukasten

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EP (1) EP0945088A1 (de)
FR (1) FR2776489B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368263A (en) * 2000-10-27 2002-05-01 James Roebuck Demountable shelf unit for books
FR2832301A1 (fr) 2001-11-16 2003-05-23 Regis Delaizir Structure auto-bloquante de type rayonnage, etageres, bibliotheque ou presentoir

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1654576A1 (de) * 1967-11-04 1972-07-27 Karl Hamer Halterung fuer einen Einlegeboden eines aus Wandgittern und Einlegeboeden zusammensetzbaren Buecherbords
AT323365B (de) * 1973-09-18 1975-07-10 Blum Gmbh Julius Fachbodenträger
FR2574876A1 (fr) * 1984-12-19 1986-06-20 Oudot Pere Fils Sarl Ets Dispositif pour l'assemblage de pieces en vue de construction plane ou en volume
WO1994003086A1 (en) * 1992-08-05 1994-02-17 Harald Lundqvist Set of shelves made of wood, chipboard or similar material and comprising movable shelves

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759191A (en) * 1971-07-28 1973-09-18 Monitor Cabinets A Division Of Reversible cabinet shelf bracket
US4548327A (en) * 1983-11-07 1985-10-22 Clairson International Corporation Pole assembly for installing closet shelves

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1654576A1 (de) * 1967-11-04 1972-07-27 Karl Hamer Halterung fuer einen Einlegeboden eines aus Wandgittern und Einlegeboeden zusammensetzbaren Buecherbords
AT323365B (de) * 1973-09-18 1975-07-10 Blum Gmbh Julius Fachbodenträger
FR2574876A1 (fr) * 1984-12-19 1986-06-20 Oudot Pere Fils Sarl Ets Dispositif pour l'assemblage de pieces en vue de construction plane ou en volume
WO1994003086A1 (en) * 1992-08-05 1994-02-17 Harald Lundqvist Set of shelves made of wood, chipboard or similar material and comprising movable shelves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368263A (en) * 2000-10-27 2002-05-01 James Roebuck Demountable shelf unit for books
FR2832301A1 (fr) 2001-11-16 2003-05-23 Regis Delaizir Structure auto-bloquante de type rayonnage, etageres, bibliotheque ou presentoir

Also Published As

Publication number Publication date
FR2776489A1 (fr) 1999-10-01
FR2776489B1 (fr) 2000-06-09

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