FR2598911A1 - Medical chair whose opening and height are automatically and independently controlled - Google Patents

Medical chair whose opening and height are automatically and independently controlled Download PDF

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Publication number
FR2598911A1
FR2598911A1 FR8607440A FR8607440A FR2598911A1 FR 2598911 A1 FR2598911 A1 FR 2598911A1 FR 8607440 A FR8607440 A FR 8607440A FR 8607440 A FR8607440 A FR 8607440A FR 2598911 A1 FR2598911 A1 FR 2598911A1
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France
Prior art keywords
seat
height
backrest
elements
chair
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Granted
Application number
FR8607440A
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French (fr)
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FR2598911B1 (en
Inventor
Gerard Lemaire
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DIRECT USINE SALONS
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DIRECT USINE SALONS
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Publication date
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Priority to FR8607440A priority Critical patent/FR2598911B1/en
Publication of FR2598911A1 publication Critical patent/FR2598911A1/en
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Publication of FR2598911B1 publication Critical patent/FR2598911B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/02Chairs with means to adjust position of patient; Controls therefor

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

Automatically operating medical chair, of the type comprising, on the one hand, a mechanism for adjusting the inclination of the backrest, the seat and the footrest with respect to each other and, on the other hand, a mechanism for adjusting the height position of the three preceding elements, characterised in that the said chair is composed of a base which can move on castors, on which there is mounted a parallelogram system which can be deformed under the action of a first thruster determining the height of the said seat, and one side of which itself carries a frame on which the elements of the said seat are hinged, the relative displacements of which elements are controlled by a second thruster which is independent from the first.

Description

La présente invention concerne un nouveau fauteuil médical à fonctionnement automatique, du type comportant d'une part un mécanisme de réglage de l'inclinaison du dossier, de l'assise et de l'appuie-pieds les uns par rapport aux autres et d'autre part un mécanisme de réglage de la position en hauteur des trois éléments précédents. The present invention relates to a new medical chair with automatic operation, of the type comprising on the one hand a mechanism for adjusting the inclination of the backrest, the seat and the footrest relative to each other and on the other hand, a mechanism for adjusting the height position of the three preceding elements.

Un tel fauteuil médical trouve son application dans toutes les activités médicales et paramédicales, les différentes positions permettant soit le simple accueil du patient ou un examen rapide, les manipulations ou examen plus approfondis, ou encore les interventions légères, toujours à la hauteur optimale et sans que le patient ait à se déplacer. Such a medical chair finds its application in all medical and paramedical activities, the different positions allowing either the simple reception of the patient or a rapid examination, the manipulations or more in-depth examination, or even the light interventions, always at the optimal height and without that the patient has to move.

Cette multiplicité des applications de ce type de fauteuil a conduit l'inventeur à en créer une réalisation simple et légère, à haute mobilité, d'encombrement réduit et à très grande souplesse du choix des positions. This multiplicity of applications of this type of chair led the inventor to create a simple and light embodiment, with high mobility, of reduced bulk and very great flexibility in the choice of positions.

Cette réalisation se caractérise selon l'invention par le fait que le fauteuil se compose d'un socle mobile sur roulettes, sur lequel est monté un système de parallélogramme déformable sous l'action d'un premier vérin, déterminant la hauteur dudit siège, et dont un côté porte lui-même un chassis sur lequel sont articulés les éléments dudit siège, dont les déplacements relatis sont commandés par un second vérin indépendant du premier. This embodiment is characterized according to the invention by the fact that the chair consists of a movable base on casters, on which is mounted a system of parallelogram deformable under the action of a first jack, determining the height of said seat, and one side of which itself carries a chassis on which the elements of said seat are articulated, the relative displacements of which are controlled by a second jack independent of the first.

Lesdits déplacements relatifs déterminent les différentes positions relatives desdits éléments, à savoir l'assise, le dossier et le repose-pieds, entre une première position extrême, dans laquelle le patient peut prendre place en s'adossant simplement contre le siège, et une seconde position extrême, dans laquelle le patient est complètement allongé à l'horizontale. Said relative displacements determine the different relative positions of said elements, namely the seat, the backrest and the footrest, between a first extreme position, in which the patient can take place by simply leaning against the seat, and a second extreme position, in which the patient is completely horizontal.

Selon des caractéristiques subsidiaires de l'invention, des moyens mécaniques sont prévus pour que, dans la seconde position extrême précitée, le dossier soit relevable vers l'arrière au-delà de l'horizontale, pour faciliter le travail du praticien. According to subsidiary features of the invention, mechanical means are provided so that, in the aforementioned second extreme position, the backrest can be lifted backwards beyond the horizontal, to facilitate the work of the practitioner.

On va maintenant décrire l'invention en se référant au dessin annexé qui fait apparaître, de profil, les différents organes du fauteuil selon l'invention. We will now describe the invention with reference to the accompanying drawing which shows, in profile, the various parts of the chair according to the invention.

Sur ce dessin, on voit que le siège selon l'invention repose sur un socle 1, muni de roulettes 2, assurant sa mobilité.  In this drawing, it can be seen that the seat according to the invention rests on a base 1, provided with rollers 2, ensuring its mobility.

Ce socle porte une potence 3 sur laquelle sont articulés en 4 et 5 les deux côtés longs 6 et 7 d'un parallélogramme déformable, dont les deux côtés courts sont, d'une part le segment de la potence fixe compris entre les pivots 4 et 5, et d'autre part un segment d'un barreau 8 compris entre deux pivots 9 et 10 prévus sur ledit barreau. Un vérin 11 est monté entre un pivot fixe 12 solidaire du socle 1 et un pivot 13 situé à-l'extrémité d'un barreau 14 soudé perpendiculairement au côté 7.This base carries a bracket 3 on which are articulated at 4 and 5 the two long sides 6 and 7 of a deformable parallelogram, the two short sides of which are, on the one hand, the segment of the fixed bracket included between the pivots 4 and 5, and on the other hand a segment of a bar 8 comprised between two pivots 9 and 10 provided on said bar. A jack 11 is mounted between a fixed pivot 12 secured to the base 1 and a pivot 13 located at the end of a bar 14 welded perpendicularly to the side 7.

I1 est clair que le fonctionnement du système 3-6-7-8 sous l'action du vérin 11 détermine la déformation du parallélogramme, les petits côtés 3 et 8 demeurant verticaux, et le petit côté 8 se déplaçant entre deux positions verticales extrêmes, fixant ainsi la hauteur du siège, porté par le barreau vertical 8. It is clear that the operation of the system 3-6-7-8 under the action of the jack 11 determines the deformation of the parallelogram, the short sides 3 and 8 remaining vertical, and the short side 8 moving between two extreme vertical positions, thus fixing the height of the seat, carried by the vertical bar 8.

Ce barreau 8 participe à une équerre se composant par ailleurs d'un barreau horizontal 15 et d'une entretoise oblique 16, et qui supporte le siège proprement dit. This bar 8 participates in a bracket which also consists of a horizontal bar 15 and an oblique spacer 16, and which supports the seat itself.

Sur l'extrémité arrière du barreau 15 sont montés pivotants en 17 l'assise 18 et la base du dossier 19. On the rear end of the bar 15 are pivotally mounted at 17 the seat 18 and the base of the backrest 19.

A l'avant de cette assise 18 est monté pivotant le repose-pieds 20. L'ensemble 18-19-20 monte et descend selon l'action du vérin 11, sans aucune modification des inclinaisons relatives. At the front of this seat 18 is pivotally mounted the footrest 20. The assembly 18-19-20 goes up and down according to the action of the jack 11, without any modification of the relative inclinations.

A l'inverse, quelle que soit la hauteur, ces inclinaisons relatives peuvent être modifiées sous l'action d'un vérin 21, indépendant du vérin 11. Conversely, whatever the height, these relative inclinations can be modified under the action of a jack 21, independent of the jack 11.

Ce vérin 21 est monté entre un point fixe 22 du barreau 8 et un point mobile 23 où il agit sur une bielle 24 soudée obliquement au dossier 19. En se déployant, le vérin 21 détermine donc le relèvement dudit dossier 19. Ce mouvement est transmis à l'appui pieds 20 par un jeu de bielles 25-26-27, articulées les unes aux autres par l'intermédiaire de bielles pendantes 28-29 mottés pivotants sur le barreau 15, comme il est clairement représenté sur le dessin. On notera à cet égard que les rapports de dimensions entre ces bielles pendantes sont tels que, au cours de l'abaissement du dossier 19, le mouvement du dossier est plus ample que celui de l'appui-pieds, et que notamment le dossier peut dépasser la position horizontale, alors que l'appui-pieds reste dans le prolongement de l'assise.  This jack 21 is mounted between a fixed point 22 of the bar 8 and a movable point 23 where it acts on a connecting rod 24 welded obliquely to the backrest 19. By deploying, the jack 21 therefore determines the raising of said backrest 19. This movement is transmitted at the feet 20 support by a set of connecting rods 25-26-27, articulated to each other by means of hanging connecting rods 28-29 swiveling mottled on the bar 15, as is clearly shown in the drawing. It will be noted in this regard that the dimension ratios between these hanging rods are such that, during the lowering of the backrest 19, the movement of the backrest is wider than that of the footrest, and that in particular the backrest can exceed the horizontal position, while the footrest remains in line with the seat.

Claims (3)

REVENDICATIONS 1. Fauteuil médical à fonctionnement automatique, du type comportant d'une part un mécanisme de réglage de l'inclinaison du dossier, de l'assise et de l'appuie-pieds les uns par rapport aux autres et d'autre part un mécanisme de réglage de la position en hauteur des trois éléments précédents, caractérisé en ce que ledit fauteuil se compose d'un socle mobile sur roulettes, sur lequel est monté un système de parallélogramme déformable sous l'action d'un premier vérin déterminant la hauteur dudit siège, et dont un côté porte lui-même un chassis sur lquel sont articulés les éléments dudit siège, dont les déplacements relatifs sont commandés par un second vérin indépendant du premier.1. Medical chair with automatic operation, of the type comprising on the one hand a mechanism for adjusting the inclination of the backrest, the seat and the footrest relative to each other and on the other hand a mechanism for adjusting the height position of the three preceding elements, characterized in that said chair consists of a movable base on casters, on which is mounted a system of deformable parallelogram under the action of a first jack determining the height of said seat, and one side of which itself carries a chassis on which the elements of said seat are articulated, the relative movements of which are controlled by a second jack independent of the first. 2. Fauteuil selon la revendication 1, caractérisé en ce que lesdits déplacements relatifs déterminent les différentes positions relatives desdits éléments, à savoir l'assise, le dossier le repose pieds, entre une première position extrême, dans laquelle le patient peut prendre place en s'adossant simplement contre le siège, et une seconde position extrême, dans laquelle le patient est complètement allongé à l'horizontale.2. Chair according to claim 1, characterized in that said relative movements determine the different relative positions of said elements, namely the seat, the backrest, the footrest, between a first extreme position, in which the patient can take place in s simply leaning against the seat, and a second extreme position, in which the patient is completely lying horizontally. 3. Fauteuil selon les revendications 1 et 2, caractérisé en ce que des moyens mécaniques sont prévus pour que, dans la seconde position extrême pécitée, le dossier soit rabbatu vers l'arrière au-delà de l'horizontale, pour faciliter le travail du praticien. 3. Chair according to claims 1 and 2, characterized in that mechanical means are provided so that, in the second extreme position, the backrest is folded backwards beyond the horizontal, to facilitate the work of the practitioner.
FR8607440A 1986-05-22 1986-05-22 MEDICAL ARMCHAIR, THE DEPLOYMENT AND HEIGHT OF WHICH ARE AUTOMATICALLY CONTROLLED INDEPENDENTLY Expired - Fee Related FR2598911B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8607440A FR2598911B1 (en) 1986-05-22 1986-05-22 MEDICAL ARMCHAIR, THE DEPLOYMENT AND HEIGHT OF WHICH ARE AUTOMATICALLY CONTROLLED INDEPENDENTLY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8607440A FR2598911B1 (en) 1986-05-22 1986-05-22 MEDICAL ARMCHAIR, THE DEPLOYMENT AND HEIGHT OF WHICH ARE AUTOMATICALLY CONTROLLED INDEPENDENTLY

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FR2598911A1 true FR2598911A1 (en) 1987-11-27
FR2598911B1 FR2598911B1 (en) 1990-06-08

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FR8607440A Expired - Fee Related FR2598911B1 (en) 1986-05-22 1986-05-22 MEDICAL ARMCHAIR, THE DEPLOYMENT AND HEIGHT OF WHICH ARE AUTOMATICALLY CONTROLLED INDEPENDENTLY

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015035A (en) * 1988-12-14 1991-05-14 Siemens Aktiengesellschaft Dental patient chair
WO1994021209A1 (en) * 1993-03-18 1994-09-29 Keymed (Medical & Industrial Equipment) Ltd. Adjustable load supporting apparatus
EP1652505A2 (en) * 2004-10-29 2006-05-03 Kaltenbach & Voigt GmbH Treatment chair, particularly dental treatment chair
EP3165207A1 (en) * 2015-11-05 2017-05-10 Cefla Societa' Cooperativa Dental patient chair

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1079934A (en) * 1953-04-08 1954-12-03 Convertible articulated seat
FR2339390A1 (en) * 1976-01-29 1977-08-26 Ritter Ag DENTAL CARE CHAIR
FR2482455A1 (en) * 1980-05-16 1981-11-20 Ritter Ag DENTAL CARE ARMCHAIR
US4333681A (en) * 1979-11-16 1982-06-08 Nelson M Eugene Power operated reclining wheelchair
DE3234836A1 (en) * 1982-09-21 1984-03-22 Uwe 7119 Forchtenberg Henkel Reclining chair

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1079934A (en) * 1953-04-08 1954-12-03 Convertible articulated seat
FR2339390A1 (en) * 1976-01-29 1977-08-26 Ritter Ag DENTAL CARE CHAIR
US4333681A (en) * 1979-11-16 1982-06-08 Nelson M Eugene Power operated reclining wheelchair
FR2482455A1 (en) * 1980-05-16 1981-11-20 Ritter Ag DENTAL CARE ARMCHAIR
DE3234836A1 (en) * 1982-09-21 1984-03-22 Uwe 7119 Forchtenberg Henkel Reclining chair

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015035A (en) * 1988-12-14 1991-05-14 Siemens Aktiengesellschaft Dental patient chair
WO1994021209A1 (en) * 1993-03-18 1994-09-29 Keymed (Medical & Industrial Equipment) Ltd. Adjustable load supporting apparatus
EP1652505A2 (en) * 2004-10-29 2006-05-03 Kaltenbach & Voigt GmbH Treatment chair, particularly dental treatment chair
JP2006122688A (en) * 2004-10-29 2006-05-18 Kaltenbach & Voigt Gmbh Treatment chair, particularly dental treatment chair
EP1652505A3 (en) * 2004-10-29 2006-06-07 Kaltenbach & Voigt GmbH Treatment chair, particularly dental treatment chair
EP3165207A1 (en) * 2015-11-05 2017-05-10 Cefla Societa' Cooperativa Dental patient chair

Also Published As

Publication number Publication date
FR2598911B1 (en) 1990-06-08

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