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EP0686009B1 - Work table - Google Patents

Work table Download PDF

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Publication number
EP0686009B1
EP0686009B1 EP94908372A EP94908372A EP0686009B1 EP 0686009 B1 EP0686009 B1 EP 0686009B1 EP 94908372 A EP94908372 A EP 94908372A EP 94908372 A EP94908372 A EP 94908372A EP 0686009 B1 EP0686009 B1 EP 0686009B1
Authority
EP
European Patent Office
Prior art keywords
table top
table according
underframe
shaft
legs
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.)
Expired - Lifetime
Application number
EP94908372A
Other languages
German (de)
French (fr)
Other versions
EP0686009A1 (en
Inventor
Monique Benyamine
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0686009A1 publication Critical patent/EP0686009A1/en
Application granted granted Critical
Publication of EP0686009B1 publication Critical patent/EP0686009B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/04—Tables with tops of variable height with vertical spindle
    • 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
    • A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
    • A47B23/06—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else characterised by association with auxiliary devices, e.g. line indicators, leaf turners, lampholders, book or page holders
    • 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
    • A47B37/00—Tables adapted for other particular purposes
    • 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
    • A47B9/04—Tables with tops of variable height with vertical spindle
    • A47B2009/043—Tables with tops of variable height with vertical spindle with means connecting the spindles of the various legs
    • 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
    • A47B9/04—Tables with tops of variable height with vertical spindle
    • A47B2009/046—Tables with tops of variable height with vertical spindle with gearbox
    • 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
    • A47B2200/13—Table and chair assembly for disabled persons, used as workplace

Definitions

  • the invention relates to a work table in particular for disabled people, of the type comprising a tilting plate mounted on a base.
  • An objective of the present invention is to adapt a table of the aforementioned type to the use of a disabled person. It is known, from French patent application FR-A-2 620 316, a height-adjustable table provided with a base constituted by a gantry formed by two uprights adjustable in height supporting a tray and a crosspiece.
  • the present invention relates to a work table In accordance with claim 1.
  • the uprights are telescopic with adjustment means with simultaneous action.
  • the adjustment means may include screw and nut mechanisms for the respective uprights and a bevel gear shaft, this shaft extending under the plate to simultaneously activate the mechanisms.
  • the base preferably includes a mechanism for locking the inclined position of the tray relative to each of the uprights using a shaft extending from one upright to the other for simultaneous locking of the two lateral sides of the tray. .
  • the tray has a metallic upper surface and the table includes writing or drawing accessories magnetized so as to allow them to adhere to the surface of the tray even when the latter is in an inclined or even vertical position.
  • the tray has two armrests, modular and removable projecting from each side of the front edge of the tray, defining a recess for the housing adaptable to the body of the user.
  • the table includes support of arches on each side of the plate, these extending vertically to allow, by depression, the coupling of said arches with the bases, while allowing the rotation of the arches around 'a vertical axis.
  • the base is useful for the base to be mounted on rolling means on the ground, allowing the table to be moved.
  • the table includes a tray 10 mounted on a base comprising two uprights 12 and 14 interconnected by a cross 16, these uprights and cross together forming a gantry.
  • the uprights 12 and 14 are telescopic and respectively comprise upper parts 18 and 20, and lower parts 22 and 24 sliding inside the upper parts 18, 20 in order to allow the height of the tray 10 to be adjusted.
  • lower 22, 24 are mounted on bases 26, 28 which extend transversely to the plate 10 in order to maintain the stability of the table.
  • Swivel casters 30, 32, 34 and 36 are mounted on the ends of the bases 26 and 28 in order to allow the table to be moved by rolling on the ground. Brakes are provided on the casters 30 to 36 for foot actuation.
  • Sleeves 38, 40, 42 and 44 are mounted vertically on the bases 26 and 28 in front of and behind the uprights 12 and 14. These sleeves 38 to 44, formed of sections of welded tubes, serve as support for the coupling, by sliding , suspension poles 46, 48 with the bases 26, 28, in different orientations, with the possibility of rotation of the poles around a vertical axis.
  • the transverse sides of the plate 10 extend beyond the uprights 12, 14 and the bases 26, 28 in order to present a maximum working surface.
  • the suspension arches 46 and 48 include lower parts 50 and 52 and upper parts 54 and 56 staggered relative to the corresponding parts 50 and 52, so that the arches are released from the lateral sides of the plate 10.
  • the upper ends of the parts 54 and 56 of the arches extend horizontally by arms 58 and 60 which extend above the plate 10.
  • the length of the arms 58, 60 is sufficient so that the free ends of the arms are close to the one from the other, above the middle of the tray as well parallel than diagonal position, as shown in Figure 1.
  • a sleeve (not shown) allows the ends of the two arms to be joined by sliding and locking screws make it possible to secure it with said arms, thus reinforcing the support
  • the hoops 46 and 48 can support different support objects or accessories. As shown in FIG. 1, the arch 46 carries a strap 62 linked to a sleeve 64 which slides on the arm 58 and is immobilized by a locking screw 66.
  • the strap 62 forms a bracelet made up of two detachable parts in order to allow the passage of the user's arm and comprises a fastener which can be easily closed or opened, of the loop and hook type, (known under the brand VELCRO), for example.
  • the strap 62 therefore makes it possible to support the user's arm while allowing it to move in the horizontal plane by virtue of the rotation of the lower part 50 in its respective sheath 38.
  • FIG. 1 represents the arch 48 supporting a lectern or a page turner 68 suspended from a sleeve 70 which slides on the arm 60, with immobilization by locking screw 72.
  • the lectern 68 allows a document to be placed in a good reading position while leaving the surface of the plate 10 clear for the movement of the user's arms.
  • a storage unit in the form of an open rack, mounted on a stand, can be provided by sliding this stand into one of the empty sheaths, such as the sheath 40 of FIG. 1, for example.
  • Armrests 74 and 76 are mounted in lateral projection on the front of the tray 10 and define between them, with the front edge of the tray 10, a recess 78 which receives the body of the user while its elbows come to rest on the armrests 74 and 76.
  • armrests 74 and 76 can be modified according to the body size of the individual and at his request and are fixed to the tray 10 by slides 80 and 82 fixed under the tray 10. Locking screws (not shown) make it possible to lock the position of the armrests 74 and 76. If necessary, one or both armrests can be removed, without leaving a dangerous protrusion beyond the edge of the tray 10. The edges of the tray 10 and the armrests 74 and 76 are padded to better protect the user.
  • the plate 10 is tiltable from the front vertical position to the rear vertical position. So that the accessories, (not shown), placed on the plate 10 do not slip, the upper surface of the plate 10 is coated with a sheet of lacquered sheet steel allowing the magnetic adhesion of the accessories, the undersides of which are magnetized. for this purpose.
  • Accessories include a ruler, and object holders for example.
  • FIG. 2 shows the mechanisms for adjusting the height and tilt of the plate 10.
  • the mechanisms comprising similar parts for the respective uprights 12 and 14, only those of the part corresponding to the upright 14 are shown.
  • each upright includes a screw and nut mechanism 100 mounted inside the upright.
  • the two mechanisms 100 are connected together by a gear shaft 102, mounted inside the cross-member 16, under the plate 10.
  • Each mechanism 100 comprises a screw comprising a bevel gear head 104, a barrel 106 and a rod with a trapezoidal thread 108.
  • the screw is mounted vertically inside the upper part 20 of the upright 14 by a bushing 110 which keeps the screw in an upright position, the bearing being integral with the upper part 20 and carrying the weight of the plate 10 transmitted through the screw 20.
  • the threaded rod 108 is screwed in a nut 112 which is integral with the lower part 24 of the upright 14.
  • the nut 112 has a flange 114 which projects from the end of the lower part 24 in order to transmit the force, applied by the screw on the nut, to the lower part 24.
  • the collar 114 slides in the upper part 20 in order to guide the end of the lower part 24.
  • a ring 116 is mounted on the lower end of the upper part and has an opening in which the lower part 24 slides of the upright 14 in order to guide the end of the upper part 20 on the lower part 24.
  • the parts 20 and 24 of the upright 14 as well as the nut 112 with its flange 114 and the ring 116 are all of rectangular section, which immobilizes the parts in rotation with respect to each other.
  • the shaft 102 extends between the two uprights 12 and 14 under the plate 10 (not shown in Figure 2). It carries at each of its ends a bevel gear 118 which meshes with the toothing of the bevel gear 104, in order to urge it in rotation and to connect the two mechanisms with screws and nuts.
  • the shaft 102 ends with a hexagon socket head, located in the uprights 12 and 14, as shown in FIG. 2.
  • the hexagon socket head 120 is accessible through an orifice 122, formed in the upper part 20 of the upright, by a crank (not shown) making it possible to manually rotate the shaft 102 and thus to simultaneously adjust the height of uprights 12 and 14.
  • the plate 10 (not shown in Figure 2) is mounted on a spider 124 which is in turn mounted on the upright 14 for pivoting about an axis formed by a screw and nut assembly 126, the upright 12 comprising a similar device.
  • the axes 126 allow the rotation of the crosspiece 24 and therefore the inclination of the plate 10 around a parallel axis and above the crosspiece 16.
  • a shaft 130 extends inside the crosspiece 16 between the two uprights 12 and 14 and passes through a notch (not shown) in the segment 128, in the form of an arc of a circle, centered on the axis 126
  • a plate 132 slides on the axis 126 and has a part provided with a female thread into which is screwed a section of the shaft 130 provided with a male thread.
  • the end of the shaft 130 has a support collar 134 for the segment 128 and a head 136, with a hexagon socket, accessible using the crank used to turn the axis 102 through an opening 138 made in the upper part 20 of the uprights 12 and 14.
  • the plate 132 presses the segment 128 against the flange 134, blocking the tilting movement of the plate 10.
  • the axis 130 can then be turned in the other direction to release the tilt of the platform.
  • the use of the table described is as follows.
  • the user can be seated in a wheelchair or on a hospital bed, for example, and in either case either the wheelchair is approached the stationary table, or the table is slid over bed.
  • the portico shape of the base allows it to step over the furniture.
  • the recess 78 allows the body of the user to be housed between the two armrests 74 and 76, which are then in the correct position to promote the support of the elbows.
  • the strap 62 makes it possible to better control the movement of an arm of the user above the plate 10 by supporting it.
  • the fact that it is in two parts makes it easier to insert and release the arm relative to the strap.
  • the height adjustment of the table can be done by the crank with a multiplied movement, the two sides being adjusted at the same time, which facilitates the task and avoids any mechanical jamming due to asymmetrical movements.
  • This crank can be replaced by a motor that comes under environmental control.
  • crank, or motor allows you to lock or unlock the tilt of the table.
  • This configuration greatly facilitates the support of the disabled person's body in the working position, without having to bend over the table and while allowing the provision of additional supports, or the positioning of accessories. of work or documents.

Landscapes

  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Inorganic Insulating Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Vending Machines For Individual Products (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

A work table, particularly for the disabled, including a tiltable table top mounted on an underframe consisting of a gantry-like frame with at least two vertically adjustable legs (12, 14) supporting the table top (10), and a cross member (16) joining the legs. The table top (10) has at least one armrest (74, 76) on its front longitudinal edge. Said table further comprises at least one fixture mounting member (46, 48) coupled to the underframe and extending over the table top (10).

Description

L'invention concerne une table de travail notamment pour personnes handicapées, du type comprenant un plateau inclinable monté sur un piétement.The invention relates to a work table in particular for disabled people, of the type comprising a tilting plate mounted on a base.

Les tables de travail classiques de ce type sont conçues pour des personnes n'ayant pas de handicap physique et pouvant par conséquent se déplacer aisément autour de la table, s'asseoir ou se pencher, ou encore qui n'ont pas de besoin particulier quant au soutien de leurs membres.Classic work tables of this type are designed for people who do not have a physical handicap and who can therefore move around the table easily, sit or bend over, or who do not have any particular need for in support of their members.

Par contre, il en va tout autrement pour une personne handicapée qui peut être astreinte à une position assise ou allongée sur une chaise ou un lit. En effet celle-ci ne pourra que difficilement adapter sa position assise à la position de la table et aura besoin, le plus souvent, d'un soutien de ses membres, bras notamment.On the other hand, it is quite different for a disabled person who can be forced to a sitting position or lying on a chair or a bed. In fact, it will be difficult for him to adapt his sitting position to the position of the table and will most often need support from his members, especially his arms.

Un objectif de la présente invention est d'adapter une table du type précité à l'utilisation d'une personne handicapée. Il est connu, de par la demande de brevet français FR-A-2 620 316, une table réglable en hauteur munie d'un piétement constitué par un portique formé de deux montants réglables en hauteur supportant un plateau et d'une traverse.An objective of the present invention is to adapt a table of the aforementioned type to the use of a disabled person. It is known, from French patent application FR-A-2 620 316, a height-adjustable table provided with a base constituted by a gantry formed by two uprights adjustable in height supporting a tray and a crosspiece.

La présente invention concerne une table de travail Conforme à la revendication 1.The present invention relates to a work table In accordance with claim 1.

De préférence les montants sont télescopiques avec des moyens de réglage à action simultanée.Preferably the uprights are telescopic with adjustment means with simultaneous action.

Les moyens de réglage peuvent comprendre des mécanismes à vis et écrous pour les montants respectifs et un arbre à engrenages coniques, cet arbre s'étendant sous le plateau pour actionner simultanément les mécanismes.The adjustment means may include screw and nut mechanisms for the respective uprights and a bevel gear shaft, this shaft extending under the plate to simultaneously activate the mechanisms.

Le piétement inclut, de préférence un mécanisme de verrouillage de la position inclinée du plateau par rapport à chacun des montants à l'aide d'un arbre s'étendant d'un montant à l'autre pour blocage simultané des deux côtés latéraux du plateau.The base preferably includes a mechanism for locking the inclined position of the tray relative to each of the uprights using a shaft extending from one upright to the other for simultaneous locking of the two lateral sides of the tray. .

Dans une réalisation préférée, le plateau présente une surface supérieure métallique et que la table inclut des accessoires d'écriture ou de dessin aimantés de façon à permettre leur adhésion à la surface du plateau même quand celui-ci est en position inclinée, voire verticale.In a preferred embodiment, the tray has a metallic upper surface and the table includes writing or drawing accessories magnetized so as to allow them to adhere to the surface of the tray even when the latter is in an inclined or even vertical position.

Avantageusement, le plateau présente deux accoudoirs, modulables et amovibles en saillie de chaque côté du bord avant du plateau, définissant un renfoncement pour le logement adaptable au corps de l'usager.Advantageously, the tray has two armrests, modular and removable projecting from each side of the front edge of the tray, defining a recess for the housing adaptable to the body of the user.

Selon une caractéristique préférentielle, la table comporte des supports d'arceaux de chaque côté du plateau, ceux-ci s'étendant verticalement pour permettre, par enfoncement, l'accouplement desdits arceaux avec les socles, tout en autorisant la rotation des arceaux autour d'un axe vertical.According to a preferred characteristic, the table includes support of arches on each side of the plate, these extending vertically to allow, by depression, the coupling of said arches with the bases, while allowing the rotation of the arches around 'a vertical axis.

Il est utile que le piétement soit monté sur des moyens de roulement au sol, permettant le déplacement de la table.It is useful for the base to be mounted on rolling means on the ground, allowing the table to be moved.

D'autres caractéristiques et avantages de l'invention ressortiront de la description suivante qui se réfère aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'une table de travail pour personnes handicapées selon un mode de réalisation préféré de l'invention, et
  • la figure 2 est une vue partielle en coupe d'un montant de la table de la figure 1.
Other characteristics and advantages of the invention will emerge from the following description which refers to the appended drawings in which:
  • FIG. 1 is a perspective view of a work table for disabled people according to a preferred embodiment of the invention, and
  • FIG. 2 is a partial sectional view of an upright of the table in FIG. 1.

Comme le montre la figure 1, la table comprend un plateau 10 monté sur un piétement comprenant deux montants 12 et 14 reliés entre eux par une traverse 16, ces montants et traverse formant ensemble un portique.As shown in Figure 1, the table includes a tray 10 mounted on a base comprising two uprights 12 and 14 interconnected by a cross 16, these uprights and cross together forming a gantry.

Les montants 12 et 14 sont télescopiques et comprennent respectivement des parties supérieures 18 et 20, et des parties inférieures 22 et 24 coulissant à l'intérieur des parties supérieures 18, 20 afin de permettre l'ajustement de la hauteur du plateau 10. Les parties inférieures 22, 24 sont montées sur des socles 26, 28 qui s'étendent transversalement au plateau 10 afin de maintenir la stabilité de la table.The uprights 12 and 14 are telescopic and respectively comprise upper parts 18 and 20, and lower parts 22 and 24 sliding inside the upper parts 18, 20 in order to allow the height of the tray 10 to be adjusted. lower 22, 24 are mounted on bases 26, 28 which extend transversely to the plate 10 in order to maintain the stability of the table.

Des roulettes pivotantes 30, 32, 34 et 36 sont montées sur les extrémités des socles 26 et 28 afin de permettre le déplacement de la table par roulement sur le sol. Des freins sont prévus sur les roulettes 30 à 36 pour actionnement au pied.Swivel casters 30, 32, 34 and 36 are mounted on the ends of the bases 26 and 28 in order to allow the table to be moved by rolling on the ground. Brakes are provided on the casters 30 to 36 for foot actuation.

Des fourreaux 38, 40, 42 et 44 sont montés verticalement sur les socles 26 et 28 devant et derrière les montants 12 et 14. Ces fourreaux 38 à 44, formés de tronçons de tubes soudés, servent de support pour l'accouplement, par coulissement, des arceaux de suspension 46, 48 avec les socles 26, 28, dans des orientations différentes, avec possibilité de rotation des arceaux autour d'un axe vertical.Sleeves 38, 40, 42 and 44 are mounted vertically on the bases 26 and 28 in front of and behind the uprights 12 and 14. These sleeves 38 to 44, formed of sections of welded tubes, serve as support for the coupling, by sliding , suspension poles 46, 48 with the bases 26, 28, in different orientations, with the possibility of rotation of the poles around a vertical axis.

Les côtés transversaux du plateau 10 s'étendent au-delà des montants 12, 14 et des socles 26, 28 afin de présenter une surface de travail maximale.The transverse sides of the plate 10 extend beyond the uprights 12, 14 and the bases 26, 28 in order to present a maximum working surface.

Les arceaux de suspension 46 et 48 comprennent des parties inférieures 50 et 52 et des parties supérieures 54 et 56 décalées en quinconce par rapport aux parties 50 et 52 correspondantes, afin que les arceaux soient dégagés des côtés latéraux du plateau 10.The suspension arches 46 and 48 include lower parts 50 and 52 and upper parts 54 and 56 staggered relative to the corresponding parts 50 and 52, so that the arches are released from the lateral sides of the plate 10.

Les extrémités supérieures des parties 54 et 56 des arceaux se prolongent horizontalement par des bras 58 et 60 qui s'étendent au dessus du plateau 10. La longueur des bras 58, 60 est suffisante pour que les extrémités libres des bras soient à proximité l'une de l'autre, au-dessus du milieu du plateau aussi bien en position parallèle que diagonale , comme le montre la figure 1. un manchon (non représenté) permet de joindre les extrémités des deux bras par coulissement et des vis de blocage permettent de le solidariser avec lesdits bras, renforçant ainsi le supportThe upper ends of the parts 54 and 56 of the arches extend horizontally by arms 58 and 60 which extend above the plate 10. The length of the arms 58, 60 is sufficient so that the free ends of the arms are close to the one from the other, above the middle of the tray as well parallel than diagonal position, as shown in Figure 1. a sleeve (not shown) allows the ends of the two arms to be joined by sliding and locking screws make it possible to secure it with said arms, thus reinforcing the support

Les arceaux 46 et 48 peuvent supporter différents objets ou accessoires de soutien. Comme le représente la figure 1, l'arceau 46 porte une sangle 62 liée à un manchon 64 qui coulisse sur le bras 58 et est immobilisé par une vis de blocage 66.The hoops 46 and 48 can support different support objects or accessories. As shown in FIG. 1, the arch 46 carries a strap 62 linked to a sleeve 64 which slides on the arm 58 and is immobilized by a locking screw 66.

La sangle 62 forme un bracelet constitué de deux parties détachables afin de permettre le passage du bras de l'usager et comporte une attache susceptible d'être facilement fermée ou ouverte, du type à bouclette et crochet, (connu sous la marque VELCRO), par exemple. La sangle 62 permet donc de soutenir le bras de l'utilisateur tout en permettant son déplacement dans le plan horizontal grâce à la rotation de la partie inférieure 50 dans son fourreau respectif 38.The strap 62 forms a bracelet made up of two detachable parts in order to allow the passage of the user's arm and comprises a fastener which can be easily closed or opened, of the loop and hook type, (known under the brand VELCRO), for example. The strap 62 therefore makes it possible to support the user's arm while allowing it to move in the horizontal plane by virtue of the rotation of the lower part 50 in its respective sheath 38.

La figure 1 représente l'arceau 48 supportant un lutrin ou un tourne page 68 suspendu à un manchon 70 qui coulisse sur le bras 60, avec immobilisation par vis de blocage 72. Le lutrin 68 permet de disposer un document dans une bonne position de lecture tout en laissant la surface du plateau 10 dégagée pour le mouvement des bras de l'utilisateur.FIG. 1 represents the arch 48 supporting a lectern or a page turner 68 suspended from a sleeve 70 which slides on the arm 60, with immobilization by locking screw 72. The lectern 68 allows a document to be placed in a good reading position while leaving the surface of the plate 10 clear for the movement of the user's arms.

Il est possible d'utiliser les fourreaux 38 à 44 pour l'accouplement d'autres accessoires, s'ils ne sont pas occupés par les arceaux. Par exemple, un rangement (non représenté) en forme de casier ouvert, monté sur pied peut être prévu en glissant ce pied dans un des fourreaux vides, tel le fourreau 40 de la figure 1, par exemple.It is possible to use the sleeves 38 to 44 for coupling other accessories, if they are not occupied by the hoops. For example, a storage unit (not shown) in the form of an open rack, mounted on a stand, can be provided by sliding this stand into one of the empty sheaths, such as the sheath 40 of FIG. 1, for example.

Des accoudoirs 74 et 76 sont montés en saillie latérale sur le devant du plateau 10 et définissent entre eux, avec le bord avant du plateau 10, un renfoncement 78 qui reçoit le corps de l'utilisateur alors que ses coudes viennent reposer sur les accoudoirs 74 et 76.Armrests 74 and 76 are mounted in lateral projection on the front of the tray 10 and define between them, with the front edge of the tray 10, a recess 78 which receives the body of the user while its elbows come to rest on the armrests 74 and 76.

Ces accoudoirs 74 et 76 sont modifiables selon la corpulence de l'individu et à sa demande et sont fixés au plateau 10 par des glissières 80 et 82 fixées sous le plateau 10. Des vis de blocage (non représentées) permettent de verrouiller la position des accoudoirs 74 et 76. Au besoin, l'un ou les deux accoudoirs peuvent être supprimés, sans laisser subsister de saillie dangereuse au-delà du bord du plateau 10. Les chants du plateau 10 et des accoudoirs 74 et 76 sont rembourrés afin de mieux protéger l'utilisateur.These armrests 74 and 76 can be modified according to the body size of the individual and at his request and are fixed to the tray 10 by slides 80 and 82 fixed under the tray 10. Locking screws (not shown) make it possible to lock the position of the armrests 74 and 76. If necessary, one or both armrests can be removed, without leaving a dangerous protrusion beyond the edge of the tray 10. The edges of the tray 10 and the armrests 74 and 76 are padded to better protect the user.

Le plateau 10 est inclinable de la position verticale avant à la position verticale arrière. Pour que les accessoires, (non représentés), posés sur le plateau 10 ne glissent pas, la surface supérieure du plateau 10 est revêtue d'une plaque de tôle d'acier laquée permettant l'adhésion magnétique des accessoires, dont les dessous sont aimantés à cet effet. Les accessoires incluent une règle, et des portes-objets par exemple.The plate 10 is tiltable from the front vertical position to the rear vertical position. So that the accessories, (not shown), placed on the plate 10 do not slip, the upper surface of the plate 10 is coated with a sheet of lacquered sheet steel allowing the magnetic adhesion of the accessories, the undersides of which are magnetized. for this purpose. Accessories include a ruler, and object holders for example.

La figure 2 montre les mécanismes de réglages en hauteur et en inclinaison du plateau 10. Les mécanismes comprenant des parties similaires pour les montants respectifs 12 et 14, seules celles de la partie correspondante au montant 14 sont représentées.FIG. 2 shows the mechanisms for adjusting the height and tilt of the plate 10. The mechanisms comprising similar parts for the respective uprights 12 and 14, only those of the part corresponding to the upright 14 are shown.

Pour le réglage en hauteur, chaque montant comprend un mécanisme à vis et écrous 100 monté à l'intérieur du montant. Les deux mécanismes 100 sont reliés entre eux par un arbre à engrenages 102, monté à l'intérieur de la traverse 16, sous le plateau 10.For height adjustment, each upright includes a screw and nut mechanism 100 mounted inside the upright. The two mechanisms 100 are connected together by a gear shaft 102, mounted inside the cross-member 16, under the plate 10.

Chaque mécanisme 100 comprend une vis comprenant une tête à engrenage conique 104, un fut 106 et une tige à filetage trapézoïdale 108. La vis est montée verticalement à l'intérieur de la partie supérieure 20 du montant 14 par un coussinet 110 qui maintient la vis en position verticale, le coussinet étant solidaire de la partie supérieure 20 et portant le poids du plateau 10 transmis à travers la vis 20. La tige filetée 108 est vissée dans un écrou 112 qui est solidaire de la partie inférieure 24 du montant 14.Each mechanism 100 comprises a screw comprising a bevel gear head 104, a barrel 106 and a rod with a trapezoidal thread 108. The screw is mounted vertically inside the upper part 20 of the upright 14 by a bushing 110 which keeps the screw in an upright position, the bearing being integral with the upper part 20 and carrying the weight of the plate 10 transmitted through the screw 20. The threaded rod 108 is screwed in a nut 112 which is integral with the lower part 24 of the upright 14.

L'écrou 112 présente une collerette 114 qui déborde de l'extrémité de la partie inférieure 24 afin de transmettre l'effort, appliqué par la vis sur l'écrou, à la partie inférieure 24.The nut 112 has a flange 114 which projects from the end of the lower part 24 in order to transmit the force, applied by the screw on the nut, to the lower part 24.

La collerette 114 coulisse dans la partie supérieure 20 afin de guider l'extrémité de la partie inférieure 24. Une bague 116 est montée sur l'extrémité inférieure de la partie supérieure et présente une ouverture dans laquelle coulisse la partie inférieure 24 du montant 14 afin de guider l'extrémité de la partie supérieure 20 sur la partie inférieure 24. Les parties 20 et 24 du montant 14 ainsi que l'écrou 112 avec sa collerette 114 et la bague 116 sont tous de section rectangulaire, ce qui immobilise les pièces en rotation les unes par rapport aux autres.The collar 114 slides in the upper part 20 in order to guide the end of the lower part 24. A ring 116 is mounted on the lower end of the upper part and has an opening in which the lower part 24 slides of the upright 14 in order to guide the end of the upper part 20 on the lower part 24. The parts 20 and 24 of the upright 14 as well as the nut 112 with its flange 114 and the ring 116 are all of rectangular section, which immobilizes the parts in rotation with respect to each other.

L'arbre 102 s'étend entre les deux montants 12 et 14 sous le plateau 10 (non représenté en figure 2). Il porte à chacune de ses extrémités un engrenage conique 118 qui engrène avec la denture du pignon à renvoi d'angle 104, afin de le solliciter en rotation et de relier les deux mécanismes à vis et écrous. L'arbre 102 se termine par une tête à six pans creux, située dans les montants 12 et 14, comme le montre la figure 2.The shaft 102 extends between the two uprights 12 and 14 under the plate 10 (not shown in Figure 2). It carries at each of its ends a bevel gear 118 which meshes with the toothing of the bevel gear 104, in order to urge it in rotation and to connect the two mechanisms with screws and nuts. The shaft 102 ends with a hexagon socket head, located in the uprights 12 and 14, as shown in FIG. 2.

La tête à six pans creux 120 est accessible au travers d'un orifice 122, ménagé dans la partie supérieure 20 du montant, par une manivelle (non représentée) permettant de tourner manuellement l'arbre 102 et ainsi d'ajuster ainsi simultanément, la hauteur des montants 12 et 14.The hexagon socket head 120 is accessible through an orifice 122, formed in the upper part 20 of the upright, by a crank (not shown) making it possible to manually rotate the shaft 102 and thus to simultaneously adjust the height of uprights 12 and 14.

Le plateau 10 (non représenté en figure 2) est monté sur un croisillon 124 qui est monté à son tour sur le montant 14 pour pivotement autour d'un axe formé par un ensemble vis et écrou 126, le montant 12 comportant un dispositif analogue. Les axes 126 permettent la rotation du croisillon 24 et donc l'inclinaison du plateau 10 autour d'un axe parallèle et au-dessus de la traverse 16.The plate 10 (not shown in Figure 2) is mounted on a spider 124 which is in turn mounted on the upright 14 for pivoting about an axis formed by a screw and nut assembly 126, the upright 12 comprising a similar device. The axes 126 allow the rotation of the crosspiece 24 and therefore the inclination of the plate 10 around a parallel axis and above the crosspiece 16.

Un arbre 130 s'étend à l'intérieur de la traverse 16 entre les deux montants 12 et 14 et passe à travers une encoche (non représentée) dans le segment 128, en forme d'arc de cercle, centré sur l'axe 126. Une plaque 132 coulisse sur l'axe 126 et présente une partie munie d'un filetage femelle dans laquelle est vissée une section de l'arbre 130 munie d'un filetage mâle. Le bout de l'arbre 130 présente une collerette 134 d'appui pour le segment 128 et une tête 136, à six pans creux, accessible à l'aide de la manivelle utilisée pour tourner l'axe 102 au travers d'une ouverture 138 pratiquée dans la partie supérieure 20 des montants 12 et 14.A shaft 130 extends inside the crosspiece 16 between the two uprights 12 and 14 and passes through a notch (not shown) in the segment 128, in the form of an arc of a circle, centered on the axis 126 A plate 132 slides on the axis 126 and has a part provided with a female thread into which is screwed a section of the shaft 130 provided with a male thread. The end of the shaft 130 has a support collar 134 for the segment 128 and a head 136, with a hexagon socket, accessible using the crank used to turn the axis 102 through an opening 138 made in the upper part 20 of the uprights 12 and 14.

En tournant l'arbre 130 dans le sens des aiguilles d'une montre, la plaque 132 appuie le segment 128 contre la collerette 134, bloquant le mouvement en inclinaison du plateau 10. L'axe 130 peut ensuite être tourné dans l'autre sens pour libérer l'inclinaison du plateau.By turning the shaft 130 clockwise, the plate 132 presses the segment 128 against the flange 134, blocking the tilting movement of the plate 10. The axis 130 can then be turned in the other direction to release the tilt of the platform.

L'utilisation de la table décrite est la suivante. L'utilisateur peut être assis dans une chaise roulante ou sur un lit d'hôpital, par exemple et dans l'un ou l'autre cas ou bien la chaise roulante est approchée de la table stationnaire, ou bien la table est glissée au dessus du lit. Dans les deux cas, la forme de portique du piétement lui permet d'enjamber le mobilier.The use of the table described is as follows. The user can be seated in a wheelchair or on a hospital bed, for example, and in either case either the wheelchair is approached the stationary table, or the table is slid over bed. In both cases, the portico shape of the base allows it to step over the furniture.

Le renfoncement 78 permet au corps de l'utilisateur de venir se loger entre les deux accoudoirs 74 et 76, qui sont alors en la bonne position pour favoriser l'appui des coudes.The recess 78 allows the body of the user to be housed between the two armrests 74 and 76, which are then in the correct position to promote the support of the elbows.

La sangle 62 permet de mieux maîtriser le mouvement d'un bras de l'utilisateur au dessus du plateau 10 en le soutenant. Le fait qu'il soit en deux parties permet de faciliter l'insertion et la libération du bras par rapport à la sangle.The strap 62 makes it possible to better control the movement of an arm of the user above the plate 10 by supporting it. The fact that it is in two parts makes it easier to insert and release the arm relative to the strap.

Le réglage en hauteur de la table peut être fait par la manivelle avec un mouvement démultiplié, les deux côtés étant réglés en même temps, ce qui facilite la tâche et évite tout coincement mécanique dû à des mouvements dissymétriques. Cette manivelle peut être remplacée par un moteur rentrant dans le contrôle d'environnement.The height adjustment of the table can be done by the crank with a multiplied movement, the two sides being adjusted at the same time, which facilitates the task and avoids any mechanical jamming due to asymmetrical movements. This crank can be replaced by a motor that comes under environmental control.

La même manivelle, ou moteur, permet de bloquer ou de débloquer l'inclinaison de la table.The same crank, or motor, allows you to lock or unlock the tilt of the table.

Cette configuration permet de faciliter grandement le soutien du corps de la personne handicapée en position de travail, sans qu'elle ait besoin de se pencher au dessus de la table et tout en autorisant l'apport de soutiens supplémentaires, ou le positionnement d'accessoires de travail ou documents.This configuration greatly facilitates the support of the disabled person's body in the working position, without having to bend over the table and while allowing the provision of additional supports, or the positioning of accessories. of work or documents.

Claims (16)

  1. Work table, particularly for the disabled, comprising a table top mounted on an underframe, this underframe consisting of a gantry-like frame with at least two legs (12, 14) supporting the table top (10), a cross member (16) joining said legs, which are vertically adjustable, characterised in that said table top (10) is tiltable; that it has at least one armrest (74, 76) located on the front longitudinal edge of the table top, said table comprising at least one fixture mounting member (46, 48) coupled to the underframe and extending over the table top (10).
  2. Table according to Claim 1, characterised in that the legs (12, 14) are telescopic with simultaneously acting adjustment means (100, 102).
  3. Table according to Claim 2, characterised in that the adjustment means (100, 102) comprise screw and nut mechanisms (100) for the respective legs (12, 14) and a shaft (102) with conical gear wheels (118), said shaft extending below the table top (10) to simultaneously actuate the mechanisms (100).
  4. Table according to any one of Claims 1 to 3, characterised in that the legs (12, 14) have upper portions (18, 20) supporting the table top and lower portions (22, 24) integrated to the bases (26, 28) and telescopically supporting said upper portions (18, 20); the screw and nut mechanisms (100) each have a screw (108) with conical gear wheel (104) mounted in an orthogonal plane to that of said shaft (102) on said upper portion (18, 20) and meshing with the tooth arrangement of the corresponding conical gear wheel (118) of said shaft (102) and a counternut (112) integrated to said lower portion (22, 24) so that the rotation of said shaft (102) controls the rotating position of the screw (108) and therefore controls the sliding adjustment of said upper portion (18, 20) in relation to said lower portion (22, 24).
  5. Table according to either of Claims 3 or 4, characterised in that the underframe includes a locking mechanism (130, 132) for locking the table top (10) in the tilted position in relation to each of the legs (12, 14) by means of a shaft (130) extending from one leg to the other by simultaneously locking the lateral faces of the table top (10).
  6. Table according to one of Claims 3, 4 or 5, characterised in that the same handle assures rotation of the vertical adjustment shafts (102) and shafts (130) for locking the table top (10) in position.
  7. Table according to any one of Claims 1 to 6, characterised in that the table top (10) has a magnetisable upper surface, the table receiving magnetised writing or drawing accessories so as to allow their adhesion to the surface of the table top (10) even when this is in a tilted position.
  8. Table according to any one of Claims 1 to 7, characterised in that the armrest (74, 76) is detachable.
  9. Table according to Claim 8, characterised in that the armrest (74, 76) is connected to the table top (10) by a slide means (80, 82) and locking elements.
  10. Table according to any one of Claims 1 to 9, characterised in that the table top (10) has two armrests (74, 76) projecting from each side of the front edge of the table top and defining a recess to accommodate the body of the user.
  11. Table according to any one of Claims 1 to 10, characterised in that it includes means (62) for supporting the arms of the user consisting of straps (62) in the form of open wristbands suspended from fixture mounting members (46, 48) above the table top (10).
  12. Table according to any one of Claims 1 to 11, characterised in that the table includes a lectern or other reading accessory (68) suspended under one of the fixture mounting members (58, 60) above the table top (10).
  13. Table according to any one of Claims 1 to 12, characterised in that the underframe comprises supports (38, 40, 42, 44) of said fixture mounting member (46, 48) on each side of the table top (10).
  14. Table according to Claim 12, characterised in that said supports (38, 40, 42, 44) are formed by tube sections welded to the bases (26, 28) and extend vertically to permit said fixture mounting members (46, 48) to be embedded in said bases, coupling them thereto while still allowing them to rotate around a vertical axis.
  15. Table according to either of Claims 13 or 14, characterised in that it comprises at least two armrests and connecting elements to join their free horizontal ends (58, 60).
  16. Table according to any one of Claims 1 to 15, characterised in that the underframe is mounted on floor roller elements to enable the table to be moved and immobilised.
EP94908372A 1993-02-26 1994-02-25 Work table Expired - Lifetime EP0686009B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9302213A FR2701820B1 (en) 1993-02-26 1993-02-26 WORKTABLE.
FR9302213 1993-02-26
PCT/FR1994/000206 WO1994018867A1 (en) 1993-02-26 1994-02-25 Work table

Publications (2)

Publication Number Publication Date
EP0686009A1 EP0686009A1 (en) 1995-12-13
EP0686009B1 true EP0686009B1 (en) 1996-10-09

Family

ID=9444450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94908372A Expired - Lifetime EP0686009B1 (en) 1993-02-26 1994-02-25 Work table

Country Status (5)

Country Link
EP (1) EP0686009B1 (en)
AT (1) ATE143777T1 (en)
DE (1) DE69400708T2 (en)
FR (1) FR2701820B1 (en)
WO (1) WO1994018867A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29502499U1 (en) * 1995-02-15 1996-07-25 Kaltenbach & Voigt Gmbh & Co, 88400 Biberach Work table with an armrest, especially for a medical laboratory
DE10200926A1 (en) * 2002-01-12 2003-07-24 Moll System & Funktionsmoebel Gmbh Desk or work table with a tabletop and a stop bar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE139421C (en) *
FR2620316B1 (en) * 1987-09-14 1990-12-28 Morbihan Union Mutualiste HEIGHT ADJUSTABLE TABLE

Also Published As

Publication number Publication date
DE69400708D1 (en) 1996-11-14
ATE143777T1 (en) 1996-10-15
FR2701820B1 (en) 1995-06-16
DE69400708T2 (en) 1997-05-07
WO1994018867A1 (en) 1994-09-01
EP0686009A1 (en) 1995-12-13
FR2701820A1 (en) 1994-09-02

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