FR2654315A1 - Device with fixed base by means of which the flat top surface of a support such as a table can be increased by lowering it and reduced by raising it - Google Patents

Device with fixed base by means of which the flat top surface of a support such as a table can be increased by lowering it and reduced by raising it Download PDF

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Publication number
FR2654315A1
FR2654315A1 FR8914837A FR8914837A FR2654315A1 FR 2654315 A1 FR2654315 A1 FR 2654315A1 FR 8914837 A FR8914837 A FR 8914837A FR 8914837 A FR8914837 A FR 8914837A FR 2654315 A1 FR2654315 A1 FR 2654315A1
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France
Prior art keywords
hand
point
base
holding means
articulated
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Granted
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FR8914837A
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French (fr)
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FR2654315B1 (en
Inventor
Berton Patrick Marcel
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Classifications

    • 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
    • A47B9/00—Tables with tops of variable height
    • A47B9/18—Tables with tops of variable height with additional top or additional legs for varying the height of the top
    • 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
    • A47B1/00—Extensible tables
    • A47B1/02—Extensible tables with insertable leaves arranged in the centre and fixed frames
    • A47B1/03—Extensible tables with insertable leaves arranged in the centre and fixed frames the leaves being foldable or revolvable
    • 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
    • A47B27/00—Drawing desks or tables; Carriers for drawing-boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
    • B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
    • 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
    • A47B9/00—Tables with tops of variable height
    • A47B2009/006—Tables with tops of variable height of two distinct heights, e.g. coffee table - dining table
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/0039—Two position height adjustable table

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

The invention relates to a device by means of which the flat top surface of a support such as a table can be increased by lowering it and reduced by raising it, characterised in that it comprises legs (4) hinged on the one hand to the underframe (3) and on the other hand underneath extensions (2) hinged to the lateral edges of a central flat top surface (1) and which when moved from one side to the other of a vertical position, by pivoting, cause a plurality of tie rods (5) hinged to the middle of the extensions (2) to move in slots (7) located on the underside of the central flat top surface (1), their purpose being to hold the device open or closed when at their limit positions, and in that there are stabilising means (6), connecting for example the legs to the underframe (3), in order to keep the complete unit stable.

Description

La présente invention concerne un dispositif permettant l'accroissement d'un plateau de mobilier par abaissement de sa hauteur, et la réduction de cette même surface par élévation, ce qui permet par exemple de transformer une table à manger en table basse et vis et versa, ou une table à manger en une table positionnée à une hauteur de comptoir de bar et vis et versa.The present invention relates to a device allowing the increase of a furniture tray by lowering its height, and the reduction of this same surface by elevation, which allows for example to transform a dining table into a coffee table and vice versa , or a dining table in a table positioned at a bar counter height and screws and vice versa.

Dans ce domaine, il existe des tables munies de rallonges latérales qui se glissent sous la partie centrale ou d'autres dont la partie centrale s'ouvre en deux pour recevoir une rallonge. Certaines tables basses sont munies par ailleurs de moyens permettant de faire varier leur hauteur et de moyens indépendants permettant de faire varier leur surface ce qui exige deux manoeuvres distinctes.In this area, there are tables provided with lateral extensions which slide under the central part or others whose central part opens in two to receive an extension. Some coffee tables are also provided with means for varying their height and independent means for varying their surface which requires two separate operations.

Le dispositif selon l'invention permet, lui, la mise en action simultanée de l'agrandissement du plateau et de son abaissement et inversement, et permet de plus d'obtenir une position inclinée.The device according to the invention allows, him, the simultaneous actuation of the enlargement of the plate and its lowering and vice versa, and also allows to obtain an inclined position.

Ce dispositif selon l'invention est caractérisé par le fait que les mêmes éléments servent à la fois pour l'élargissement du plateau lors de l'abaissement, et lors de l'élévation de ce dernier pour la réduction de l'encombrement de l'ensemble. Le piètement ne variant pas, il sert de base à l'ensemble du sytème.This device according to the invention is characterized in that the same elements are used both for enlarging the plate when lowering, and when raising the latter for reducing the size of the together. The base does not vary, it serves as the basis for the entire system.

L'invention vise un dispositif permettant d'agrandir le plateau d'un support par exemple d'une table en l'abaissant, et de le réduire en l'élevant caractérisé en ce qu'il comporte des jambes articulées d'une part sur le piètement et d'autre part sous des rallonges articulées aux bords latéraux d'un plateau central et qui lorsqu'elles passent d'un côté à l'autre d'un position verticale, par pivotement, mettent en action des tirants articulés au milieu des rallonges et se déplaçant dans les glissières disposées à la partie infèrieure du plateau central et qui ont pour but de maintenir lorsqu'vils sont en butées le dispositif ouvert ou fermé et en ce que sont prévus des moyens de maintien ~ afin afin de maintenir l'ensemble stable.The invention relates to a device making it possible to enlarge the tray of a support for example of a table by lowering it, and to reduce it by raising it, characterized in that it comprises articulated legs on the one hand on the base and on the other hand under extensions articulated to the lateral edges of a central plate and which, when they pass from one side to the other from a vertical position, by pivoting, actuate tie rods articulated in the middle extensions and moving in the slides arranged at the lower part of the central plate and which aim to maintain when they are in abutment the open or closed device and in that are provided holding means ~ in order to maintain the 'stable set.

Selon d'autres caractéristiques: les moyens de maintien sont constitués de cordes attachées d'une part au piètement et d'autre part à la partie supèrieure des jambes et que l'on vient tendre à chaque changement de configuration. According to other characteristics: the holding means consist of cords attached on the one hand to the base and on the other hand to the upper part of the legs and which one comes to tend with each change of configuration.

Selon d'autres variantes : les moyens de maintien sont constitués de barres rigides articulées à l'une de leur extrémité au piètement et munies de plusieurs trous à l'autre extrémités l'un venant en concordance avec l'axe d'une chape fixée à chaque jambe} permettant ainsi d'obtenir différents positionnements de l'ensemble.According to other variants: the holding means consist of rigid bars articulated at one of their ends to the base and provided with several holes at the other ends, one coming in concordance with the axis of a fixed yoke on each leg} thus making it possible to obtain different positions of the assembly.

: les moyens de maintien sont constitués de barres rigides articulées à l'une de leur extrémité au piètement et dont l'autre extrémité forme un sytème de glissière avec le bout de chaque jambe pourvu à cet endroit d'un système de maintien en position de la glissière permettant de figer chaque configuration. : the holding means consist of rigid bars hinged at one of their ends to the base and the other end of which forms a slide system with the end of each leg provided at this point with a system for holding in position the slide to freeze each configuration.

D'autre part: les ouvertures formant glissières sont pratiquées dans les flancs du plateau central, celui-ci étant constitué par exemple en tole pliée.On the other hand: the openings forming slides are made in the sides of the central plate, the latter being constituted for example by folded sheet.

En variante: les ouvertures formant glissières sont constituées pour chaque côté une barre reliée à la structure centrale par ses extrémités et son centre > formant deux espaces où viennent glisser l'extrémité des tirants.

Figure img00020001
As a variant: the openings forming slideways are constituted for each side by a bar connected to the central structure by its ends and its center> forming two spaces where the end of the tie rods slide.
Figure img00020001

Selon un mode de réalisation: les moyens de maintien sontVmunis d'un système de frein par exemple de type vis écrous et situés d'une part au point de pivotement d'au moins une jambe sur le piètement et d'autre part soit au point d'articulation d'au moins une jambe sur une rallonge, soit au point d'articulation entre un tirant et une rallonge, soit au point d'articulation d'une rallonge avec le plateau central soit au point de glissement entre un tirant et le plateau central.According to one embodiment: the holding means are provided with a brake system for example of the screw nut type and situated on the one hand at the pivot point of at least one leg on the base and on the other hand either at the point of articulation of at least one leg on an extension, either at the point of articulation between a tie rod and an extension, or at the point of articulation of an extension with the central plate or at the point of sliding between a tie and the central tray.

A titre d'illustration des dessins sont joints qui représentent:
Fig 1,2,3, : Trois représentations schématiques du principe de
fonctionnement.By way of illustration, drawings are attached which represent:
Fig 1,2,3,: Three schematic representations of the principle of
operation.

1) position base 2) position haute 3) position inclinée
Fig 4 : Une vue en perspective du dispositif en position basse
Fig 5 : Une vue en perspective du dispositif en position haute
Fig 6 et 7 : Des représentations schématiques de différents types de
systèmes de maintien
Fig 8 : Représentation d'une variante de réalisation de la glissière
supérieure du plateau central. 1) base position 2) high position 3) inclined position
Fig 4: A perspective view of the device in the low position
Fig 5: A perspective view of the device in the high position
Fig 6 and 7: Schematic representations of different types of
holding systems
Fig 8: Representation of an alternative embodiment of the slide
upper of the central plate.

Selon la forme de réalisation simple illustrée par les figures 4) et 5) le dispositif est constitué par un plateau central (1), deux rallonges (2) un piétement (3) par exemple en tole pliée, deux jambes (4) et quatre tirants (5) en tubes, deux moyens de maintien (6)
Les jambes (4) sont articulées à leur extrémité basse en A avec le piètement (3), et à leur extrémité haute en B avec les rallonges (2). Ces dernières sont réliées au plateau central (1) par des articulations situées en D et servent en leur milieu située en C de pivot à l'une des extrémités des tirants (5) dont l'autre extrémité situé en E vient glisser dans l'une des quatre ouvertures ou lumières (7) aménagées sur les côtés du plateau (1), faisant office de glissière avec une butée centrale (8) située en F.According to the simple embodiment illustrated in Figures 4) and 5) the device consists of a central plate (1), two extensions (2) a base (3) for example in folded sheet, two legs (4) and four tie rods (5) in tubes, two holding means (6)
The legs (4) are articulated at their low end at A with the base (3), and at their high end at B with the extensions (2). The latter are connected to the central plate (1) by joints located in D and serve in their center located in C as a pivot at one of the ends of the tie rods (5) whose other end located in E comes to slide in the one of the four openings or lights (7) arranged on the sides of the plate (1), acting as a slide with a central stop (8) located at F.

Lorsque l'on fait pivoter les rallonges (2) l'une après l'autre, elles ne peuvent se maintenir en position stable que, soit horizontalement, soit repliées sous la partie centrale ( 1). Les moyens de maintien (6) servent à figer chaque configuration. On obtient ainsi deux hauteurs auxquelles correspondent deux dimensions de plateau de table. Toutefois il est possible d'obtenir une configuration stable type table inclinée, c'est à dire l'une étendue et l'autre repliée. Un tel dispositif est applicable à une table à dessin selon figure 3.When the extensions (2) are pivoted one after the other, they cannot be held in a stable position until either horizontally or folded under the central part (1). The holding means (6) serve to freeze each configuration. Two heights are thus obtained to which correspond two dimensions of table top. However, it is possible to obtain a stable configuration such as an inclined table, ie one extended and the other folded. Such a device is applicable to a drawing table according to FIG. 3.

Un tel dispositif est applicable généralement à la réalisation de tout support à au moins deux positions stables avec variation de hauteur et éventuellement d'orientation. Such a device is generally applicable to the production of any support with at least two stable positions with variation in height and possibly with orientation.

Claims (7)

REVENDICATIONS 1 - Dispositif permettant d'agrandir le plateau d'un support par exemple d'une table en l'abaissant, et de le réduire en l'élevant, caractérisé en ce qu'il comporte des jambes (4) articulées d'une part sur le piètement (3) et d'autre part sous des rallonges (2) articulées aux bords latéraux d'un plateau central (1) et qui lorsqu'elles passent d'un côté à l'autre d'un position verticale, par pivotement, mettent en action des tirants (5) articulés au milieu des rallonges (2) et se déplaçant dans les glissières (7) disposées à la partie infèrieure du plateau central et qui ont pour but de maintenir lorsqu'ils sont en butée le dispositif ouvert ou fermé et en ce que sont prévus des moyens de maintien (6) - afin fin de maintenir l'ensemble stable. 1 - Device for enlarging the tray of a support, for example a table by lowering it, and reducing it by raising it, characterized in that it comprises legs (4) articulated on the one hand on the base (3) and on the other hand under extensions (2) articulated to the lateral edges of a central plate (1) and which when they pass from one side to the other from a vertical position, by pivoting, actuate tie rods (5) articulated in the middle of the extensions (2) and moving in the slides (7) arranged in the lower part of the central plate and which aim to maintain when they are in abutment the device open or closed and in that holding means (6) are provided - in order to keep the assembly stable. 2 - Dispositif selon la revendication I caractérisé en ce que les moyens de maintien (6) sont constitués de cordes attachés d'une part au piètement (3) et d'autre part à la partie supèrieure des jambes (4) et que l'on vient tendre à chaque changement de configuration.2 - Device according to claim I characterized in that the holding means (6) consist of cords attached on the one hand to the base (3) and on the other hand to the upper part of the legs (4) and that the we just tend to each change of configuration. 3 - Dispositif selon la revendication 1 caractérisé en ce que les moyens de maintien (6) sont constitués de barres rigides articulées à l'une de leur extrémité au piètement (3) et munies de plusieurs trous à l'autre extrémité, l'un venant en concordance avec l'axe d'une chape fixée à chaque jambe, permettant ainsi d'obtenir différents positionnements de l'ensemble.3 - Device according to claim 1 characterized in that the holding means (6) consist of rigid bars articulated at one of their ends to the base (3) and provided with several holes at the other end, one coming in concordance with the axis of a yoke fixed to each leg, thus making it possible to obtain different positions of the assembly. 4 - Dispositif selon la revendication I caractérisé selon une dernière variante en ce que les moyens de maintien (6) sont constitués de barres rigides articulées à l'une de leur extrémité au piètement (3) et dont l'autre extrémité forme un sytème de glissière avec le bout de chaque jambe pourvu à cet endroit d'un système de maintien en position de la glissière permettant de figer chaque configuration.4 - Device according to claim I characterized in a last variant in that the holding means (6) consist of rigid bars articulated at one of their ends to the base (3) and the other end of which forms a system of slide with the end of each leg provided at this point with a system for holding the slide in position to freeze each configuration. 5 - Dispositif selon l'une quelconque des revendications 1,2,3 > 4 > caractérisé en ce que les ouvertures (7) formant glissières sont pratiquées danslancs du plateau central, celui-ci étant constitué par exemple en tole pliée.5 - Device according to any one of claims 1,2,3> 4> characterized in that the openings (7) forming slides are formed danslancs of the central plate, the latter being constituted for example by folded sheet. 6 - Dispositif selon l'une quelconque des revendications 1,2,S,41 caractérisé en ce que les ouvertures (7) formant glissières sont constituées pour chaque côté d'une barre reliée à la structure centrale par ses extrémités et son centre (8), formant deux espaces où viennent glisser l'extrémité des tirants (5). 6 - Device according to any one of claims 1,2, S, 41 characterized in that the openings (7) forming slides are formed for each side of a bar connected to the central structure by its ends and its center (8 ), forming two spaces where the end of the tie rods (5) slide. 7 - Dispositif selon l'une quelconque des revendications 1,4,5,6 7 - Device according to any one of claims 1,4,5,6
Figure img00050001
Figure img00050001
 caractérisé en ce que les moyens de maintien(6)sont munis d'un système de frein par exemple de type vis écrous et situés d'une part au point (A) de pivotement d'au moins une jambe (4) sur le piètement (3) et d'autre part soit au point(B) d'articulation d'au moins une jambe (4) sur une rallonge, soit au point (C) d'articulation entre un tirant (5) et une rallonge (2), soit au point (D) d'articulation d'une rallonge (2) avec le plateau central(1) soit au point (E) de glissement entre un tirant (5) et le plateau central (1).  characterized in that the holding means (6) are provided with a brake system, for example of the screw nut type and situated on the one hand at the point (A) of pivoting of at least one leg (4) on the base (3) and on the other hand either at the point (B) of articulation of at least one leg (4) on an extension, or at the point (C) of articulation between a tie rod (5) and an extension (2 ), either at the point (D) of articulation of an extension (2) with the central plate (1) or at the point (E) of sliding between a tie rod (5) and the central plate (1).
FR8914837A 1989-11-13 1989-11-13 FIXED BASE DEVICE FOR ENLARGING THE TOP OF A SUPPORT; FOR EXAMPLE OF A TABLE BY LOWERING IT, AND REDUCING IT BY RAISING IT. Expired - Lifetime FR2654315B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8914837A FR2654315B1 (en) 1989-11-13 1989-11-13 FIXED BASE DEVICE FOR ENLARGING THE TOP OF A SUPPORT; FOR EXAMPLE OF A TABLE BY LOWERING IT, AND REDUCING IT BY RAISING IT.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8914837A FR2654315B1 (en) 1989-11-13 1989-11-13 FIXED BASE DEVICE FOR ENLARGING THE TOP OF A SUPPORT; FOR EXAMPLE OF A TABLE BY LOWERING IT, AND REDUCING IT BY RAISING IT.

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Publication Number Publication Date
FR2654315A1 true FR2654315A1 (en) 1991-05-17
FR2654315B1 FR2654315B1 (en) 1992-02-07

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FR8914837A Expired - Lifetime FR2654315B1 (en) 1989-11-13 1989-11-13 FIXED BASE DEVICE FOR ENLARGING THE TOP OF A SUPPORT; FOR EXAMPLE OF A TABLE BY LOWERING IT, AND REDUCING IT BY RAISING IT.

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804358A1 (en) * 2000-01-27 2001-08-03 Triplex Procedure, for upgrading base model of workbench, consists of disconnecting cross brace from lower end of rear leg and reconnecting to top of rear leg, after removal of support section.
EP2286690A1 (en) * 2009-08-18 2011-02-23 Erich Trinkl Variable table
WO2012110205A1 (en) * 2011-02-18 2012-08-23 Rehau Ag + Co Device for receiving at least one plastic component
CN106426017A (en) * 2016-12-12 2017-02-22 张家港市优希宏达机电厂 Lift-type sliding platform
CN109202833A (en) * 2017-12-18 2019-01-15 上海机动车检测认证技术研究中心有限公司 Workbench is used in a kind of test
CN113653891A (en) * 2021-07-19 2021-11-16 常州市佳华电子有限公司 Fixing device for main transformer oil chromatography on-line monitoring

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB652982A (en) * 1947-12-18 1951-05-02 Paul Lazard Improvements in or relating to transformable tables
US2883248A (en) * 1955-08-23 1959-04-21 Hoppe Boris High-low extension table construction
GB2197585A (en) * 1986-11-19 1988-05-25 Martin Leeman Mason Convertible table

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB652982A (en) * 1947-12-18 1951-05-02 Paul Lazard Improvements in or relating to transformable tables
US2883248A (en) * 1955-08-23 1959-04-21 Hoppe Boris High-low extension table construction
GB2197585A (en) * 1986-11-19 1988-05-25 Martin Leeman Mason Convertible table

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804358A1 (en) * 2000-01-27 2001-08-03 Triplex Procedure, for upgrading base model of workbench, consists of disconnecting cross brace from lower end of rear leg and reconnecting to top of rear leg, after removal of support section.
EP2286690A1 (en) * 2009-08-18 2011-02-23 Erich Trinkl Variable table
WO2012110205A1 (en) * 2011-02-18 2012-08-23 Rehau Ag + Co Device for receiving at least one plastic component
CN106426017A (en) * 2016-12-12 2017-02-22 张家港市优希宏达机电厂 Lift-type sliding platform
CN109202833A (en) * 2017-12-18 2019-01-15 上海机动车检测认证技术研究中心有限公司 Workbench is used in a kind of test
CN109202833B (en) * 2017-12-18 2024-03-01 上海机动车检测认证技术研究中心有限公司 Workbench for testing
CN113653891A (en) * 2021-07-19 2021-11-16 常州市佳华电子有限公司 Fixing device for main transformer oil chromatography on-line monitoring

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