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EP0179002B1 - Automatic closing and opening device for pivoting doors - Google Patents

Automatic closing and opening device for pivoting doors Download PDF

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Publication number
EP0179002B1
EP0179002B1 EP85420160A EP85420160A EP0179002B1 EP 0179002 B1 EP0179002 B1 EP 0179002B1 EP 85420160 A EP85420160 A EP 85420160A EP 85420160 A EP85420160 A EP 85420160A EP 0179002 B1 EP0179002 B1 EP 0179002B1
Authority
EP
European Patent Office
Prior art keywords
door
arm
pivoting
rod
slide rail
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
Application number
EP85420160A
Other languages
German (de)
French (fr)
Other versions
EP0179002A1 (en
Inventor
François Morano
Victor Mouriesse
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 AT85420160T priority Critical patent/ATE32767T1/en
Publication of EP0179002A1 publication Critical patent/EP0179002A1/en
Application granted granted Critical
Publication of EP0179002B1 publication Critical patent/EP0179002B1/en
Expired legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/102Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with rack-and-pinion transmission between driving shaft and piston within the closer housing
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F2003/228Arrangements where the end of the closer arm is sliding in a track
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/221Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/227Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/624Arms
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10Additional functions
    • E05Y2800/122Telescopic action
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/132Doors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/17Checks and closers, holding means

Definitions

  • the present invention relates to an improved device for ensuring the automatic closing of pivoting doors as well as their maintenance in the open position.
  • the most common device for ensuring the automatic closing of a pivoting door consists essentially of a compass system with two branches, one being pivotally mounted on a housing fixed to the door (or the frame), the axis of rotation being subjected to the action of a return means (spring system) and the end of the other branch being fixed, also pivotally, on the frame (or the door).
  • a return means spring system
  • the end of the other branch being fixed, also pivotally, on the frame (or the door).
  • the compass works on 90 °, which leads to the creation of a significant torque causing, in the long run, wear of the axes of rotation and even a tearing of the fasteners.
  • it creates hard spots during opening and, in general, it does not allow the door to be locked in the open position, blocking which, in general, must be achieved by means of an additional element. operated for example at the foot.
  • the device according to the invention has a very small footprint and can be adapted to any type of door.
  • Such a device thus comprises in its operation two degrees of freedom.
  • the return of the pivoting arm allowing the automatic closing of the door is obtained by means of a rack system controlled by a compressed (or stretched) spring during pivoting of the door.
  • the device according to the invention essentially consists of a fixed box (1) mounted on the door (2), at its upper part.
  • This housing (1) supports a pivoting arm (3), subjected to the action a return element and which is normally, when the door is closed, held in a superimposed position with the housing (1).
  • a slide (4) is, for its part, fixed to the frame (5) of the door.
  • the connection between the slide (4) and the pivoting arm (3) is obtained by means of a sliding rod (6) retractable inside the arm (3).
  • the arm (3) is designed so that when the door is closed, it can come to fit around the periphery of the slide (4).
  • the rod (6) is mounted in the slide (4) by means of rollers (7, 8) mounted at the end of a return (9) provided at the end of the rod (6).
  • rollers (7, 8) mounted at the end of a return (9) provided at the end of the rod (6).
  • the rod (6) and the pivoting arm (3) comprise means making it possible to automatically block said rod (6) in position.
  • These means are, in this case, constituted (see Figures 3 and 7) by a ball system (10) which can be embedded in grooves (11, 12) provided in the rod (6).
  • These balls (10) are subjected to the action of a spring (13) which tends to keep them pressed against the periphery of the rod (6).
  • a spring (13) which tends to keep them pressed against the periphery of the rod (6).
  • these balls provide immobilization coming to be embedded in one or other of the grooves (11, 12), the unlocking can be easily achieved by simple additional push on the door.
  • the slide (4) has, at each of its ends, stop stops. These stops can be constituted by simple screws.
  • the control of the return of the pivoting arm (3) and consequently the automatic closing of the door is carried out as follows.
  • the arm (3) is pivotally mounted on the frame (1) by means of a pin (16). Inside the housing (1) is disposed an assembly acting on said axis (16) and which makes it possible to hold the arm (3) and the housing (1) normally superimposed on each other.
  • the assembly for the return of the arm (3) consists of a rack (17) slidably mounted in a fixed body (18) and subjected to the action of 'a spring (19).
  • This rack (17) engages with a pinion (20) mounted on the axis (16).
  • the spring (19) normally tends to keep the rack (17) in the pushed-back position and, consequently, to return the arm (3) superimposed on the body (1) and to keep the door in the closed position.
  • Such a device of particularly simple design, easy to assemble and install, requires for its operation a very low torque and, consequently, practically eliminates any risk of tearing in the long run.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Window Of Vehicle (AREA)
  • Extensible Doors And Revolving Doors (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

This invention relates to a device ensuring automatic closure of pivoting doors and for holding them in open position. The device includes a fixed box mounted on the door (or frame) and supporting a pivoting arm subjected to the action of a return element. A fixed slide rail is mounted on the frame and a connecting element is positioned between the pivoting arm and the slide rail. The connection between the pivoting arm and the slide rail is obtained by way of a sliding rod, retractable inside the arm. The rod is adapted to be blocked automatically when it projects from the arm by a determined length corresponding to a given degree of opening of the door.

Description

La présente invention concerne un dispositif perfectionné permettant d'assurer la fermeture automatique de portes pivotantes ainsi que leur maintien en position ouverte.The present invention relates to an improved device for ensuring the automatic closing of pivoting doors as well as their maintenance in the open position.

Dans la suite de la description, l'invention sera décrite pour un dispositif destiné à assurer la fermeture automatique d'une porte dont l'ouverture est réalisée manuellement mais il est évident que cela n'est pas limitatif et qu'un tel dispositif pourrait éventuellement être motorisé afin également d'assurer l'ouverture de manière automatique.In the following description, the invention will be described for a device intended to ensure the automatic closing of a door, the opening of which is carried out manually, but it is obvious that this is not limiting and that such a device could optionally be motorized to also ensure automatic opening.

Le dispositif le plus répandu pour assurer la fermeture automatique d'une porte pivotante est constitué essentiellement par un système à compas à deux branches, l'une étant montée pivotante sur un boîtier fixé sur la porte (ou le cadre), l'axe de rotation étant soumis à l'action d'un moyen de rappel (système à ressort) et l'extrémité de l'autre branche étant fixée, également de manière pivotante, sur le cadre (ou la porte). Si un tel dispositif permet d'assurer une fermeture automatique de la porte, il présente cependant un certain nombre d'inconvénients. En effet, compte-tenu de sa conception, le compas travaille sur 90°, ce qui entraîne la création d'un couple important provoquant, à la longue une usure des axes de rotation et voire même un arrachement des fixations. De plus, il crée des points durs lors de l'ouverture et, en général, il n'autorise pas le blocage de la porte en position ouverte, blocage qui, en général, doit être réalisé par l'intermédiaire d'un élément additionnel actionné par exemple au pied.The most common device for ensuring the automatic closing of a pivoting door consists essentially of a compass system with two branches, one being pivotally mounted on a housing fixed to the door (or the frame), the axis of rotation being subjected to the action of a return means (spring system) and the end of the other branch being fixed, also pivotally, on the frame (or the door). If such a device ensures automatic closing of the door, it does however have a number of drawbacks. Indeed, given its design, the compass works on 90 °, which leads to the creation of a significant torque causing, in the long run, wear of the axes of rotation and even a tearing of the fasteners. In addition, it creates hard spots during opening and, in general, it does not allow the door to be locked in the open position, blocking which, in general, must be achieved by means of an additional element. operated for example at the foot.

Diverses solutions ont été proposées pour surmonter ces inconvénients.Various solutions have been proposed to overcome these drawbacks.

Parmi ces solutions, on peut citer celles faisant l'objet de la demande de brevet français publiée sous le n° 2 540 545 et qui concerne un dispositif permettant de commander automatiquement l'ouverture des portes pivotantes.Among these solutions, mention may be made of those which are the subject of the French patent application published under No. 2,540,545 and which relates to a device making it possible to automatically control the opening of pivoting doors.

Un tel dispositif comporte :

  • - un mécanisme proprement dit de pivotement ;
  • - un bras susceptible d'être fixé par l'une des extrémités au mécanisme d'entraînement en rotation de sorte qu'il puisse pivoter dans un plan ;
  • - un coulisseau monté pivotant à l'autre extrémité du bras et,
  • - un mécanisme de guidage susceptible d'être fixé à la porte et au châssis supportant ladite porte afin de guider le coulisseau dans une direction parallèle au plan.
Such a device includes:
  • - an actual pivoting mechanism;
  • - An arm capable of being fixed by one of the ends to the rotary drive mechanism so that it can pivot in a plane;
  • - a slide mounted pivoting at the other end of the arm and,
  • - A guide mechanism capable of being fixed to the door and to the frame supporting said door in order to guide the slide in a direction parallel to the plane.

Outre que cette solution est complexe, coûteuse à réaliser, elle présente également comme inconvénient de ne pas pouvoir autoriser un blocage en position ouverte de la porte. Elle présente également d'autres inconvénients additionnels tels qu'une impossibilité de le faire fonctionner en manuel, un couple toujours important du fait de la présence d'un compas ainsi qu'une résistance élevée à l'ouverture.In addition to the fact that this solution is complex and costly to carry out, it also has the drawback of not being able to allow blocking in the open position of the door. It also has other additional drawbacks such as the impossibility of operating it manually, a still high torque due to the presence of a compass as well as a high resistance to opening.

Or on a trouvé et c'est ce qui fait l'objet de la présente invention, un dispositif perfectionné qui surmonte les inconvénients des solutions antérieures, dispositif qui non seulement permet le blocage en position ouverte de la porte, mais également ne crée pratiquement pas de résistance à l'ouverture et élimine pratiquement tous risques d'arrachement des fixations et d'usure des axes de pivotement. De plus, le dispositif selon l'invention présente un très faible encombrement et peut être adapté sur tout type de porte.Now we have found and this is what is the subject of the present invention, an improved device which overcomes the drawbacks of previous solutions, device which not only allows the blocking in the open position of the door, but also practically does not create resistance to opening and virtually eliminates any risk of tearing of the fasteners and wear of the pivot pins. In addition, the device according to the invention has a very small footprint and can be adapted to any type of door.

L'invention concerne donc un dispositif permettant d'assurer la fermeture automatique de portes pivotantes ainsi que leur maintien en position ouverte et ledit dispositif comportant :

  • - un boîtier fixe monté sur la porte ou le châssis et supportant un bras pivotant soumis à l'action d'un élément de rappel ;
  • - une glissière fixe montée sur le châssis ou sur la porte ;
  • - un élément de liaison entre le bras pivotant et la glissière, et il se caractérise par le fait que la liaison entre le bras pivotant et la glissière est obtenue au moyen d'une tige coulissante, escamotable à l'intérieur du bras, ladite tige pouvant être bloquée automatiquement lorsqu'elle dépasse dudit bras d'une longueur déterminée correspondant à un degré donné d'ouverture de la porte.
The invention therefore relates to a device for ensuring the automatic closing of pivoting doors as well as their maintenance in the open position and said device comprising:
  • - a fixed box mounted on the door or the frame and supporting a pivoting arm subjected to the action of a return element;
  • - a fixed slide mounted on the frame or on the door;
  • - A connecting element between the swivel arm and the slide, and it is characterized in that the connection between the swivel arm and the slide is obtained by means of a sliding rod, retractable inside the arm, said rod can be automatically blocked when it protrudes from said arm by a determined length corresponding to a given degree of opening of the door.

Un tel dispositif comporte ainsi dans son fonctionnement deux degrés de liberté.Such a device thus comprises in its operation two degrees of freedom.

Selon une forme préférentielle de mise en oeuvre de l'invention, le rappel du bras pivotant permettant d'assurer la fermeture automatique de la porte est obtenu par l'intermédiaire d'un système à crémaillère commandé par un ressort comprimé (ou tendu) lors du pivotement de la porte.According to a preferred embodiment of the invention, the return of the pivoting arm allowing the automatic closing of the door is obtained by means of a rack system controlled by a compressed (or stretched) spring during pivoting of the door.

Un autre mode de réalisation est défini dans la revendication 3.Another embodiment is defined in claim 3.

L'invention et les avantages qu'elle apporte seront cependant mieux compris grâce à l'exemple de réalisation donné ci-après à titre indicatif mais non limitatif et qui est illustré par les schémas annexés dans lesquels :

  • - la figure 1 est une vue schématique en perspective montrant la structure et le fonctionnement d'un dispositif conforme à l'invention ;
  • - la figure 2 est une vue de détail, également en perspective, montrant plus spécialement la manière dont peut être réalisé le rappel du bras pivotant
  • - les figures 3 à 8 sont des vues de détail montrant plus particulièrement la manière dont est réalisé le bras pivotant, la glissière, et la tige escamotable reliant ce bras pivotant à ladite glissière.
The invention and the advantages which it brings will however be better understood thanks to the embodiment given below by way of indication but not limitation and which is illustrated by the appended diagrams in which:
  • - Figure 1 is a schematic perspective view showing the structure and operation of a device according to the invention;
  • - Figure 2 is a detail view, also in perspective, showing more specifically how the return of the pivoting arm can be produced
  • - Figures 3 to 8 are detail views showing more particularly how the pivoting arm is made, the slide, and the retractable rod connecting this pivoting arm to said slide.

Si l'on se reporte aux schémas annexés, le dispositif conforme à l'invention est constitué essentiellement d'un boîtier fixe (1) monté sur la porte (2), à sa partie supérieure. Ce boîtier (1) supporte un bras pivotant (3), soumis à l'action d'un élément de rappel et qui est normalement, lorsque la porte est fermée, maintenu en position superposée avec le boîtier (1). Une glissière (4) est, quant à elle, fixée sur le châssis (5) de la porte.If reference is made to the appended diagrams, the device according to the invention essentially consists of a fixed box (1) mounted on the door (2), at its upper part. This housing (1) supports a pivoting arm (3), subjected to the action a return element and which is normally, when the door is closed, held in a superimposed position with the housing (1). A slide (4) is, for its part, fixed to the frame (5) of the door.

Conformément à l'invention, la liaison entre la glissière (4) et le bras pivotant (3) est obtenue par l'intermédiaire d'une tige coulissante (6) escamotable à l'intérieur du bras (3). Il convient de noter que le bras (3) est conçu de telle sorte que lorsque la porte est fermée, il puisse venir s'emboîter sur le pourtour de la glissière (4). Ainsi que cela ressort plus particulièrement des figures 3 et 4, la tige (6) est montée dans la glissière (4) au moyen de galets (7, 8) montés à l'extrémité d'un retour (9) prévu à l'extrémité de la tige (6). Un tel montage permet donc le pivotement angulaire de ladite tige (6) par rapport à la glissière (4).According to the invention, the connection between the slide (4) and the pivoting arm (3) is obtained by means of a sliding rod (6) retractable inside the arm (3). It should be noted that the arm (3) is designed so that when the door is closed, it can come to fit around the periphery of the slide (4). As shown more particularly in Figures 3 and 4, the rod (6) is mounted in the slide (4) by means of rollers (7, 8) mounted at the end of a return (9) provided at the end of the rod (6). Such an assembly therefore allows the angular pivoting of said rod (6) relative to the slide (4).

Afin de pouvoir assurer le maintien en position ouverte de la porte, la tige (6) et le bras pivotant (3) comportent des moyens permettant de bloquer automatiquement en position ladite tige (6). Ces moyens sont, dans le cas présent, constitués (voir figures 3 et 7) par un système à billes (10) pouvant s'encastrer dans des rainures (11, 12) prévues dans la tige (6). Ces billes (10) sont soumises à l'action d'un ressort (13) qui tend à les maintenir plaquées contre la périphérie de la tige (6). Lorsque la porte est ouverte, ces billes assurent une immobilisation venant s'encastrer dans l'une ou l'autre des gorges (11, 12), le déblocage pouvant être facilement réalisé par simple poussée additionnelle sur la porte.In order to be able to maintain the door in the open position, the rod (6) and the pivoting arm (3) comprise means making it possible to automatically block said rod (6) in position. These means are, in this case, constituted (see Figures 3 and 7) by a ball system (10) which can be embedded in grooves (11, 12) provided in the rod (6). These balls (10) are subjected to the action of a spring (13) which tends to keep them pressed against the periphery of the rod (6). When the door is open, these balls provide immobilization coming to be embedded in one or other of the grooves (11, 12), the unlocking can be easily achieved by simple additional push on the door.

Par ailleurs, la glissière (4) comporte, à chacune de ses extrémités, des butées d'arrêt. Ces butées d'arrêt peuvent être constituées par de simples vis.Furthermore, the slide (4) has, at each of its ends, stop stops. These stops can be constituted by simple screws.

La commande du rappel du bras pivotant (3) et par suite la fermeture automatique de la porte est réalisée de la manière suivante. Le bras (3) est monté pivotant sur le bâti (1) au moyen d'un axe (16). A l'intérieur du boîtier (1), est disposé un ensemble agissant sur ledit axe (16) et qui permet de maintenir le bras (3) et le boîtier (1) normalement superposés l'un l'autre. Dans cet exemple de réalisation, ainsi que cela ressort de la figure 2, l'ensemble permettant le rappel du bras (3) est constitué par une crémaillère (17) montée coulissante dans un corps fixe (18) et soumise à l'action d'un ressort (19). Cette crémaillère (17) vient en prise avec un pignon (20) monté sur l'axe (16). Le ressort (19) tend normalement à maintenir la crémaillère (17) en position repoussée et, par suite, à rappeler le bras (3) superposé au corps (1) et à maintenir la porte en position fermée.The control of the return of the pivoting arm (3) and consequently the automatic closing of the door is carried out as follows. The arm (3) is pivotally mounted on the frame (1) by means of a pin (16). Inside the housing (1) is disposed an assembly acting on said axis (16) and which makes it possible to hold the arm (3) and the housing (1) normally superimposed on each other. In this embodiment, as shown in Figure 2, the assembly for the return of the arm (3) consists of a rack (17) slidably mounted in a fixed body (18) and subjected to the action of 'a spring (19). This rack (17) engages with a pinion (20) mounted on the axis (16). The spring (19) normally tends to keep the rack (17) in the pushed-back position and, consequently, to return the arm (3) superimposed on the body (1) and to keep the door in the closed position.

Lors de l'ouverture, la rotation de l'axe (16) provoque le déplacement de la crémaillère (17) et, par suite la compression du ressort (19). Par suite, lorsque la porte est relâchée, le ressort (19) repousse automatiquement la crémaillère (17), provoque la rotation de l'axe (16) et le rappel du bras (3).During the opening, the rotation of the axis (16) causes the displacement of the rack (17) and, consequently the compression of the spring (19). Consequently, when the door is released, the spring (19) automatically pushes the rack (17), causes the rotation of the axis (16) and the return of the arm (3).

Un tel dispositif de conception particulièrement simple, facile à monter et à installer, nécessite pour son fonctionnement un très faible couple et, par suite, élimine pratiquement tout risque d'arrachement à la longue.Such a device of particularly simple design, easy to assemble and install, requires for its operation a very low torque and, consequently, practically eliminates any risk of tearing in the long run.

De plus, lors de l'ouverture, il n'y a pas de points durs et la fermeture s'effectue, quant à elle, en douceur et sans à-coups. Bien entendu, le montage d'un tel dispositif peut être inversé, c'est-à-dire que le corps (1) peut être fixé sur le châssis, la glissière (4) étant alors fixée quant à elle à la partie supérieure de la porte (2). Par ailleurs, un tel dispositif peut être facilement adapté pour permettre d'assurer non seulement la fermeture automatique de la porte mais également son ouverture. Ainsi, il pourrait être envisagé d'associer au système à crémaillère permettant de commander la rotation de l'axe de pivotement du bras à un moteur électrique commandant des pignons de renvoi et actionné automatiquement.In addition, when opening, there are no hard spots and the closing is done, meanwhile, smoothly and smoothly. Of course, the mounting of such a device can be reversed, that is to say that the body (1) can be fixed to the chassis, the slide (4) being then fixed in turn to the upper part of the door (2). Furthermore, such a device can be easily adapted to ensure not only the automatic closing of the door but also its opening. Thus, it could be envisaged to associate with the rack system making it possible to control the rotation of the pivot axis of the arm with an electric motor controlling return gears and actuated automatically.

Claims (3)

1. Device ensuring automatic closure of pivoting doors and for helding them in open position, said device comprising :
- a fixed box (1) mounted on the door (2) or the frame and supporting a pivoting arm (3) subjected to the action of a return element ;
- a fixed slide rail (4) mounted on the frame (5) or the door ;
- a connection element between the pivoting arm (3) and the slide rail (4), characterized in that the connection between the pivoting arm (3) and the slide rail (4) is obtained by means of a sliding rod (6), retractable inside the arm (3), said rod (6) being adapted to be blocked automatically when its projects from said arm by a determined length corresponding to a given degree of opening of the door.
2. Device according to the claim 1, characterized in that the pivoting arm (3) is returned via a rack system (17, 20) controlled by a spring (19) compressed (or stretched) during pivoting of the door.
3. Device according one of claims 1 or 2, characterized in that the means for automatically blocking the rod (6) in position are constituted by a system of balls (10) adapted to fit in grooves provided in the rod, these balls being subjected to the action of a spring which tends to maintain them applied against the periphery of the rod.
EP85420160A 1984-09-14 1985-09-05 Automatic closing and opening device for pivoting doors Expired EP0179002B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85420160T ATE32767T1 (en) 1984-09-14 1985-09-05 DEVICE FOR AUTOMATICALLY CLOSING AND KEEPING DOORS OPEN.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8414318 1984-09-14
FR8414318A FR2570427B1 (en) 1984-09-14 1984-09-14 DEVICE FOR AUTOMATICALLY CLOSING PIVOTING DOORS AS WELL AS HOLDING THEM IN OPEN POSITION

Publications (2)

Publication Number Publication Date
EP0179002A1 EP0179002A1 (en) 1986-04-23
EP0179002B1 true EP0179002B1 (en) 1988-03-02

Family

ID=9307837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85420160A Expired EP0179002B1 (en) 1984-09-14 1985-09-05 Automatic closing and opening device for pivoting doors

Country Status (11)

Country Link
US (1) US4759099A (en)
EP (1) EP0179002B1 (en)
JP (1) JPS61130584A (en)
AT (1) ATE32767T1 (en)
AU (1) AU4710985A (en)
CA (1) CA1248150A (en)
DE (1) DE3561758D1 (en)
ES (1) ES8701285A1 (en)
FR (1) FR2570427B1 (en)
OA (1) OA08100A (en)
ZA (1) ZA856703B (en)

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DE9000901U1 (en) * 1990-01-27 1990-04-12 Klöckner-Humboldt-Deutz AG, 5000 Köln Driver's cab for agricultural and construction vehicles
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EP3848546B1 (en) * 2020-01-09 2023-11-22 Abloy Oy A door closer arrangement
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JPH0613349Y2 (en) * 1983-02-08 1994-04-06 千蔵工業株式会社 Automatic opening / closing door towing arm

Also Published As

Publication number Publication date
CA1248150A (en) 1989-01-03
ES8701285A1 (en) 1986-11-16
ZA856703B (en) 1986-04-30
US4759099A (en) 1988-07-26
EP0179002A1 (en) 1986-04-23
DE3561758D1 (en) 1988-04-07
AU4710985A (en) 1986-03-20
ES546952A0 (en) 1986-11-16
ATE32767T1 (en) 1988-03-15
FR2570427B1 (en) 1986-12-05
FR2570427A1 (en) 1986-03-21
JPS61130584A (en) 1986-06-18
OA08100A (en) 1987-03-31

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