FR2902619A1 - Self standing round/square/rectangle table e.g. restaurant table, for e.g. lawn, has four legs fixed on two opposite rods of frame of upper isostatic system, where table`s horizontal adjustment is performed by two operations - Google Patents

Self standing round/square/rectangle table e.g. restaurant table, for e.g. lawn, has four legs fixed on two opposite rods of frame of upper isostatic system, where table`s horizontal adjustment is performed by two operations Download PDF

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Publication number
FR2902619A1
FR2902619A1 FR0605635A FR0605635A FR2902619A1 FR 2902619 A1 FR2902619 A1 FR 2902619A1 FR 0605635 A FR0605635 A FR 0605635A FR 0605635 A FR0605635 A FR 0605635A FR 2902619 A1 FR2902619 A1 FR 2902619A1
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FR
France
Prior art keywords
operations
frame
legs
lawn
horizontal adjustment
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Withdrawn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
FR0605635A
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French (fr)
Inventor
Robert Baltasar
Jacques Coste
Bethan Davies
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR0605635A priority Critical patent/FR2902619A1/en
Priority to FR0704057A priority patent/FR2902620B3/en
Publication of FR2902619A1 publication Critical patent/FR2902619A1/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00Details of tables or desks
    • A47B13/02Underframes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00Feet for furniture in general
    • A47B91/16Self-levelling legs

Abstract

The table has two isostatic devices stably resting on a left surface with a parallel displacement of four legs (A-D), and placed on parallel planes. The legs are fixed on two opposite rods of a frame of an upper isostatic system, where the table`s horizontal adjustment is performed by two operations. One operation is performed by installing a level on the table, where the level is oriented along a direction (u), and adjusting heights of two legs (A, C), and another operation is performed by installing the level that is oriented along a direction (v) and adjusting heights of the legs (B, D).

Description

-2- DESCRIPTION Domaine technique de l'invention L'invention faisantTECHNICAL FIELD OF THE INVENTION

partie du présent brevet est basée sur l'utilisation d'un dispositif articulé permettant de décomposer une force en quatre composantes de façon isostatique . En particulier cette propriété isostatique permet de réaliser des tables à quatre pieds pouvant reposer sur des sols irréguliers ou meubles .  Part of this patent is based on the use of an articulated device for decomposing a four component force isostatically. In particular, this isostatic property makes it possible to produce tables with four legs that can rest on uneven or loose floors.

Etat antérieur de la techniquePrior state of the art

Les attaches ou les appuis en quatre points forment des systèmes hyperstatiques. En particulier une table classique à quatre pieds nécessitera un calage pour éviter de boiter si elle doit reposer sur une pelouse ou une terrasse dallée, ce qui est le cas pour les tables de jardin ou de restaurant . Ce calage est souvent délicat surtout si le sol est meuble et il ne tolère aucun déplacement ultérieur .  Fasteners or supports at four points form hyperstatic systems. In particular, a classic four-legged table will require a wedge to avoid limping if it must rest on a lawn or paved terrace, which is the case for garden or restaurant tables. This setting is often delicate especially if the soil is loose and it does not tolerate any subsequent movement.

Principe du dispositif mis en oeuvre  Principle of the device implemented

Ce dispositif utilise entre autres la propriété géométrique suivante (Figure 1) : Soit un quadrilatère ABCD déformable dans le plan et dans l'espace de façon à former une surface gauche constituée de deux triangles ABD et DBC . Si on trace deux droites HE et GF parallèles à la diagonale DB du quadrilatère, ces deux droites seront toujours située dans un même plan quelle que soit la déformation du quadrilatère. Cette propriété permet de relier une surface plane HEGF à une surface gauche ABCD.  This device uses among others the following geometric property (Figure 1): Let a quadrilateral ABCD deformable in the plane and in the space so as to form a left surface consisting of two triangles ABD and DBC. If we draw two lines HE and GF parallel to the diagonal DB of the quadrilateral, these two lines will always be located in the same plane whatever the deformation of the quadrilateral. This property makes it possible to connect a flat surface HEGF to a left surface ABCD.

Dans le cas particulier qui concerne notre invention le système sera constitué de deux éléments semblables à la définition précédente, situés dans des plans parallèles ( figure 2) Le quadrilatère ABCD aura dans ce cas la forme d'un rectangle et les points E,F,G,H seront situés respectivement aux milieux des côtés correspondants. Les sommets des cadres articulés ABCD et A'B'C'D' seront reliés ensemble et articulés de façon à permettre la déformation des cadres . Il se prolongeront à leurs extrémités PQRS pour reposer sur la surface gauche, en l'occurrence le sol . Les points milieux EFGH et leurs homologues E'F'G'H' seront articulés suivant la direction des axes EG et HF pour laisser libre le gauchissement des cadres . Ces points seront reliés ensembles et l'extrémité des liaisons KLMN seront rigidement fixées à la surface plane , en l'occurrence le plateau de la table . -3- Les barres AA' BB' CC' DD' constitueront les pieds de la table et se déplaceront parallèlement à eux mêmes. La figure 3 montre la constitution de ce type de table plus particulièrement adapté pour les tables rondes ou carrées, ( Table parallèle) .  In the particular case which concerns our invention the system will consist of two elements similar to the preceding definition, located in parallel planes (figure 2) The quadrilateral ABCD will have in this case the shape of a rectangle and the points E, F, G, H will be respectively at the middle of the corresponding sides. The vertices of the articulated frames ABCD and A'B'C'D 'will be connected together and articulated so as to allow the deformation of the frames. They will extend at their ends PQRS to rest on the left surface, in this case the ground. The EFGH midpoints and their counterparts E'F'G'H 'will be articulated in the direction of the axes EG and HF to leave free the warping of the frames. These points will be connected together and the end of KLMN links will be rigidly attached to the flat surface, in this case the table top. -3- The bars AA 'BB' CC 'DD' will constitute the feet of the table and will move parallel to themselves. Figure 3 shows the constitution of this type of table more particularly suitable for round or square tables, (parallel table).

Une deuxième solution mieux adaptée pour les tables rectangulaires consistera à conserver uniquement les parallélogrammes M' DD' et BB' CC' des extrémités de la table et à relier rigidement les pieds DS et CR à la barre DC ainsi que AP et BQ à la barre AB , A'B' et D'C' étant supprimés. Cette solution représentée figure 4 entraîne une légère torsion des barres des parallélogrammes mais sans dommage, ( Table mixte) .  A second solution that is better suited for rectangular tables will consist in keeping only the parallelograms M 'DD' and BB 'CC' of the ends of the table and rigidly connecting the feet DS and CR to the bar DC, and AP and BQ to the bar. AB, A'B 'and D'C' being removed. This solution shown in Figure 4 causes a slight twist of the parallelogram bars but without damage, (Mixed Table).

Ces types de tables présentent en outre l'avantage d'être facilement réglables à l'horizontale par deux opérations suivant le procédé suivant sans jamais déstabiliser le système pendant l'opération, ( figure 5) :  These types of tables also have the advantage of being easily adjustable horizontally by two operations according to the following method without ever destabilizing the system during the operation, (FIG. 5):

1 û On pose un niveau sur la table, orienté suivant la direction u et on règle la hauteur du pied A ou C 2 - On pose le niveau sur la table, orienté suivant la direction v et on règle la hauteur du pied D ou B. La table est alors à l'horizontale sans être déséquilibrée pendant le réglage . 30 35  1 - We place a level on the table, oriented in the direction u and adjust the height of the foot A or C 2 - We put the level on the table, oriented in the direction v and we adjust the height of the foot D or B The table is then horizontal without being unbalanced during adjustment. 30 35

Claims (1)

REVENDICATIONS, 1 ù La première revendication est caractérisée par la1. The first claim is characterized by the réalisation d'une table constituée par un dispositif isostatique double lui permettant de reposer sur une surface gauche de façon stable avec un déplacement parallèle des pieds . 2 ù La deuxième revendication est caractérisée par la réalisation d'une table avec un dispositif isostatique double simplifié en ce sens que les pieds sont fixés rigidement sur deux barres opposées du cadre du système isostatique supérieur , les deux dispositifs étant associés aux autres extrémités par des parallélogrammes comme pour la revendication précédente . 20 25 30  realization of a table consisting of a double isostatic device allowing it to rest on a left surface stably with a parallel movement of the feet. 2 - The second claim is characterized by the production of a table with a simplified dual isostatic device in that the legs are rigidly fixed to two opposite bars of the upper isostatic system frame, the two devices being associated with the other ends by means of parallelograms as in the preceding claim. 20 25 30
FR0605635A 2006-06-23 2006-06-23 Self standing round/square/rectangle table e.g. restaurant table, for e.g. lawn, has four legs fixed on two opposite rods of frame of upper isostatic system, where table`s horizontal adjustment is performed by two operations Withdrawn FR2902619A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0605635A FR2902619A1 (en) 2006-06-23 2006-06-23 Self standing round/square/rectangle table e.g. restaurant table, for e.g. lawn, has four legs fixed on two opposite rods of frame of upper isostatic system, where table`s horizontal adjustment is performed by two operations
FR0704057A FR2902620B3 (en) 2006-06-23 2007-06-07 SELF-STABLE TABLE WITH FOUR FEET

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0605635A FR2902619A1 (en) 2006-06-23 2006-06-23 Self standing round/square/rectangle table e.g. restaurant table, for e.g. lawn, has four legs fixed on two opposite rods of frame of upper isostatic system, where table`s horizontal adjustment is performed by two operations

Publications (1)

Publication Number Publication Date
FR2902619A1 true FR2902619A1 (en) 2007-12-28

Family

ID=38819298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0605635A Withdrawn FR2902619A1 (en) 2006-06-23 2006-06-23 Self standing round/square/rectangle table e.g. restaurant table, for e.g. lawn, has four legs fixed on two opposite rods of frame of upper isostatic system, where table`s horizontal adjustment is performed by two operations

Country Status (1)

Country Link
FR (1) FR2902619A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8870134B2 (en) 2010-02-26 2014-10-28 Tipstop Tables Pty Ltd Stabilisation of objects

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8870134B2 (en) 2010-02-26 2014-10-28 Tipstop Tables Pty Ltd Stabilisation of objects

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Effective date: 20090228