FR2864136A1 - Shutter opening and closing control device for building, has stops limiting opening angle between arm and intermediary link rod when shutter is opened and limiting opening angle between link rods when shutter is closed - Google Patents

Abstract

The device has a mechanical system with stops (73) limiting opening angle between an arm (7) and an intermediary link rod (8) when a shutter is opened, and the opening angle between the link rod (8) and an offset link rod (9) when the shutter is closed. The stops avoid rotational movement of the shutter in opposite direction transmitted from a shutter control handle (6).

Description

2864136 1

  The present invention relates to the design and manufacture of a control device of shutters such as those used to close the windows of a building, and more particularly the windows of traditional houses, said device being used to control the opening and the closing of leaves or wings which are mounted in a wall to seal a bay pierced therein. Such flaps open outward from the house by pivoting about a vertical axis along the outer edge of the bay frame.

  In their most common embodiment, shutters that close this kind of windows are made of wood or plastic, based on polyvinyl chloride, for example. Each of the flaps is pivotally mounted around an edge on an outer wall of the house in the vicinity of a window frame. For this purpose, the shutters are equipped with hinge elements cooperating with others which are fixed on the outer wall panel. For example, the shutters can be equipped hinges rotatably mounted on hinges fixed on the outer wall panel. Thus mounted, such flaps pivot from a closed position where they are placed in front of a window by preventing the light from entering the house, to an open position where they are arranged pressed against the wall, thus letting the light pass through the windows and illuminate the interior of the house.

  To maintain the shutters in the open position when climatic factors such as wind tend to rotate them about their axis of articulation, there are provided devices for holding the flap in position by blocking its lower edge when the lower edge of the flap is at the height of a man's height, or by blocking its side edge when the lower edge of the flap is at the level of a man's feet in the case where the shutters close the windows for example. Such holding devices are fixed in the outer wall of the house.

  The opening and closing of such shutters are traditionally done manually. A person in the house must push the shutters by the force of his arms so as to rotate them about their hinge axis to open them, and he must manually lock the shutter holding device in the open position. . At the same time, to close the shutters, this person must manually unlock the shutter holding device in the open position, and it must pull the shutters by the force of its arms so as to rotate them about their axis of articulation to close them. .

  Such manipulations can be stressful for physically weak people, for children, people with diseases or the elderly. Such manipulations can also be difficult for people who do not have this kind of disability in cases where the shutters are difficult to reach, for example in a kitchen where the window is behind a worktop or sink.

  To facilitate the opening and closing of the shutters, motorized devices have been made which swivel the flaps around their axis of articulation. The control of the opening or closing of the shutters is done by pressing a switch located inside the house. Such devices offer the advantage of not having to provide physical effort to rotate the shutters.

  However, such devices involve the simultaneous pivoting of both flaps, and it is therefore impossible to open only one. In addition, when the devices no longer work, for example for mechanical or electrical reasons, the manual manipulation of the shutters is impossible. Finally, the installation and maintenance of such devices require the intervention of specialists, and only people with the financial means to support these interventions can afford shutters equipped with such devices.

  The present invention aims to facilitate the manual opening of the flaps so as not to have the disadvantages of motorized devices such as those mentioned above. The device of the invention is therefore designed to be more affordable financially, easy to install and easy to implement on flaps already installed so that any person with average physical capabilities is able to install it alone , and anyone with weak physical capabilities is able to easily handle the shutter using the device.

  Furthermore, the device according to the invention can be made to be discreet and aesthetic to meet the requirements of certain markets.

  The present invention relates to a control device for opening and closing a shutter closing an open bay in a wall which is delimited by a frame amount. The shutter is pivotally mounted to pivot about an axis at the outer edge of the frame post, from an open position where it is pressed against the wall away from the bay, to a closed position where it closes the bay . The device according to the invention comprises a mechanical transmission system with successive elements articulated one on the other between a head plate which is fixed on the amount of frame and a flapper plate which is fixed on the shutter . The articulated elements comprise on one side an arm integral in rotation with a manual control handle of the pivoting of the flap, and articulated on the head plate, on the other side an offset connecting rod articulated on the flapper plate, and between the two an intermediate rod which is articulated on one end of the arm and on one end of the offset link. In addition, according to the invention, the mechanical system comprises locking means limiting firstly the opening angle between the arm and the intermediate link at the opening of the flap, and secondly the angle of opening between the intermediate link and the offset link at the closure of the flap, so as to avoid reversal of the direction of rotation of the flap transmitted from the control handle.

  Indeed, at the opening of the flap, if the opening angle between the arm and the intermediate link exceeds a certain value, the flap is rotated in the opposite direction to that expected.

  In other words, at the opening of the shutter, if the opening angle between the arm and the intermediate link exceeds a certain value, the shutter closes instead of continuing to open. The same applies to the value of the opening angle between the two rods, but this time it is necessary to limit the opening angle to closing the shutter.

  In the context of a preferred embodiment which will be described and illustrated subsequently, the arm has a stop along a lateral edge constituting a first locking means limiting the opening angle between the arm and the link intermediate at the opening of the flap, and the offset link has at its end an abutment constituting a second locking means limiting the opening angle between the two links to the closing of the flap.

  Advantageously, in the context of an advantageous embodiment of the device according to the invention, the abutment of the offset rod also constitutes an element for keeping the end of the arm at a distance from the flap, at the opening the shutter, defining a maximum opening angle between the intermediate link and the offset link applied by its edge against the shutter in the closed position.

  According to a particularly advantageous secondary characteristic of the device according to the invention, the arm is bent to form a first lever arm for opening the shutter by offset of the hinge axis about which the arm is articulated. Also, the flapper plate advantageously has a stop limiting the opening angle between the offset link and the flap at a right angle so as to constitute a second lever arm used to close the flap, by deporting the pivot axis of the flap.

  In the context of a particularly advantageous embodiment of the invention, the device comprises an open shutter locking mechanism prohibiting the transmission of the rotational movement to the shutter by the system, the mechanism being controlled exclusively when the shutter has reached its open position by a manual pull action of the handle. In this way, the flap is not likely to close because of the wind, for example, since, if the locking mechanism has been actuated, it prevents the flap from pivoting about its axis.

  Preferably, and according to a preferred embodiment which will be described and illustrated subsequently, the arm has a length sufficient to leave a space between its end articulated on the intermediate link and the flap when it is in the open position, so that to allow a translation of the arm along the amount of frame a distance equivalent to said space. According to this preferred embodiment, the locking mechanism of the open flap comprises means for guiding the arm in translation on the head plate, the arm having a member cooperating with a lumen formed in the head plate. Preferably, the light is made in the form of a rail extending through an opening of larger dimensions, and the element having a shape that only allows it to move in translation in the rail and only a rotational movement in the rail. opening. In other words, depending on where the element is in the light, it is only allowed to make a single movement. Thus, if it is in the rail, it can only be translated, and if it is in the light, it can only turn on itself. On the other hand, the element can only come out of the light to pass into the rail if it is in a position where the flap is open, pressed against the wall.

  To ensure total immobilization of the shutter in the open position, it is advantageously provided, in addition to the locking mechanism, locking means of the mechanism in its locking position of the shutter by immobilization of the arm in its displacement in translation, and a manual control member accessible in the vicinity of said handle.

  In the context of the preferred embodiment that will be illustrated below, the locking means comprise an elastically flexible tab between a first end to the arm and a second end where it has a protrusion adapted to engage in an orifice in the head plate. The tongue is subjected to the action of a push button constituting the control member, coming into contact with the tongue through the arm to push against elastic recoil forces which tend to engage the protrusion in the orifice.

  According to another secondary feature of the device according to the invention, the flapper plate is made to be fixed in the lower rabbet of a consolidated flap along its width by a cleat. In the context of this mode of implementation, the plate preferably comprises protection pads of the flap against which the offset rod is supported by its edge, accompanying the rotational movement of the flap on opening and closing.

  Incidentally, the control handle is preferably articulated on the head plate by means of a rod whose shape ensures the spacing of the handle of the arm to allow the grip of the latter. According to this advantageous embodiment, the control handle has an ergonomic shape, preferably cylindrical whose ends flare, matching the contour of the shape of the hand to allow precise handling thereof by exerting a force equivalent to both ends.

  The invention will now be more fully described in the context of its preferred features and advantages, with reference to a particular embodiment illustrated in FIGS. 1 to 7 in which: FIG. 1 represents, in a perspective view, a device according to the invention used for the manual control of a shutter of individual house, opening and closing of a bay facing the outside; FIG. 2 is an exploded view of the device illustrated in FIG. 1; FIG. 3 is a bottom view of the device shown in FIGS. 1 and 2, in the position it occupies when the shutter has been brought to the closed position of the bay; FIG. 4 is a view from below of the device of FIG. 3, considered this time when the shutter is in a half-open position while it is being driven in the direction of opening of the rack. FIG. 5 is a bottom view of the same device of Figure 3 showing its position when the flap in the fully open position, and locked in this position; FIG. 6 shows the device of FIG. 3 in a bottom view when the flap is in an open position during a closing operation, bringing it back into closure of the bay; - and Figure 7 is a side view along the plane VII / VII of the device as shown in Figure 5.

  In its particular embodiment chosen here to illustrate the implementation of the invention, the device is used to ensure the control of a flap 1 to be placed in front of a window to close a bay 2 which is pierced in the wall outside of a house. This bay is delimited by a frame which has only been shown a framing amount 3, made in is practical by the edge of the boundary wall.

  In a conventional manner, the shutter 1 is composed of a wooden panel consolidated along its width by two horizontal cleats which are fixed in the vicinity of the upper and lower edges of the panel. The panel is also consolidated along its length by a third cleat which is fixed along one of the diagonals of the panel. To simplify the reading of the figures, only the lower horizontal strip 12 of the flap has been shown in FIGS. 3 to 7, since it is at its level that the device described acts.

  The shutter 1 is rotatably mounted around a vertical pivot axis represented by a hinge 11 located in the vicinity of an outer edge of the frame upright 3. In operation, it pivots an open position shown in FIG. 5, to a closed position, shown in Figure 3, and vice versa. When it is in its so-called open position, it is pressed against the wall outside, away from the bay, and when it is in its closed position, it is placed in line with the outer face of the wall to close the Bay.

  The device according to the invention consists essentially of a mechanical motion transmission system with successive elements articulated one on the other which transmits to the shutter the rotation movements ordered by the user from a control handle 6. At the ends of the transmission system there is respectively a head plate 4 which is fixed on the fixed upright 3 of the bay and on which is mounted the manual control handle 6, and a tail plate, or flapper plate 5, which is fixed on the shutter 1. Between the two end plates, the articulated elements comprise an arm 7, which is integral with the handle 6, in particular in its articulation in rotation on the head plate 4, a linkage rod 9, which is articulated on the leaf plate 5, and an intermediate rod 8, which is articulated by its ends respectively on the arm 7 and on the off-axis link 9.

  The head plate 4 is made in the form of a square plate, consisting essentially of a support plate 42 completed by a flange 41 for its attachment to the frame amount 3. The support plate 42 and its flange 41 are perpendicular to each other along their length. The fixing flange 41 is pierced with two holes 43 (FIG. 2) through which two screws 44 for attaching the support plate 42 to the frame post 3 are inserted. The plate 42 then forms a mounting bracket for the support system. motion transmission available perpendicular to the amount 3.

  The control handle 6 is connected to the arm by a rod 10 which it is secured, the connection being provided in the particular case described, both in translation on the head plate 4 in rotation thereon.

  The control handle 6 is cylindrical. Its longitudinal ends widen so that it is adapted to the shape of the hand of a user for a pleasant handling (Figure 1 and 2). As for the shape of the rod 10, it ensures a shift of the handle parallel to the head plate 4 to allow a user to grasp it easily. It has an angled shape S as can be seen in Figures 1 to 6.

  The support plate 42 is traversed along its length by a rail 45 whose one end expands to form an elliptical opening 46 whose major axis extends the axis of the rail 45. This rail 45 provides the translation guide through the head plate in the rail 45 a pair of rivets 13 connecting the end of the rod 10 which carries the handle 6 with a washer 14 on which is fixed the pair of rivets 13.

  The presence of two rivets 13 secured to each other by the washer 14, forces the end of the rod 10 to a translation movement along the rail 45. Indeed, if the end of the rod was retained at rail only by a single rivet, it could perform a rotational movement on itself in the rail. Due to the presence of these two rivets, the rotational movement controlled by the handle 6 can only be done when the two rivets are housed in the elliptical opening 46 which is made for this purpose. The rotational movement takes place around a hinge axis 62 located between the two rivets 13 parallel to the axis of pivoting of the shutter 1. The presence of two rivets also prohibits their translation in the rail 45 when they are housed in the elliptical opening 46 and when they are not aligned in the axis of the rail 45. The two rivets are allowed to enter the rail 45 that when the arm 7 is parallel to the amount of framing.

  The pair of rivets 13, freely moving in the rail 45, fixes the end of the arm 7 on the rod 10 of the handle. In this way, the arm 7 follows the translational movement of the handle 6 along the rail 45 and / or the rotational movement of the handle 6 when the rivet torque 13 is in the elliptical opening 46, these two movements being generated by a user who acts manually on the control handle 6.

  The flapper plate 5, which fixes the motion transmission system to the flap 1, is traversed by three holes 51 in which three screws 52 pass for its attachment to the flap. Advantageously, the plate 5 is fixed in the rabbet formed with the shutter panel the lower face of the cleat 12 directed towards the ground, to make the device discrete when the flap is in the open position.

  The offset link 9 is rotatably mounted at one of its ends under the leaf plate 5 by means of a hinge rivet 54 passing through a hole 53 in the leaf plate. It should be understood that the mounting of the offset link 9 with respect to the flapper plate 5 is dependent on the location of attachment of the flapper plate 5 to the flap 1. Indeed, if the flapper plate 5 was fixed on the upper face of the cleat 12, the offset linkage 9 would be articulated on the top of the plate 5, so that the cleat does not interfere with the articulation of the link 9 on the plate 5.

  The leaf plate 5 has two protective pads 55 and 56 both perpendicular to its edge coming into contact with the flap 1 and in the vicinity of the ends of said edge. When the offset link 9 is positioned by its wafer against the shutter in the closed position (FIG. 3), or during the opening of the shutter (FIGS. 4 and 5), it bears on the runners 55 and 56. The intermediate link 8 has a notch 83 next to the flap when the intermediate rod 8 is disposed by its edge against the protective pads 55 and 56 of the flap in the open position (Figure 5), thanks to which the main efforts at the time of the stop of the intermediate link on the pads 55 and 56 is cashed at its ends.

  The intermediate link 8 connects the arm 7 to the offset link 9. One end of the intermediate link 8 is rotatably mounted on the arm 7 by a hinge rivet 71 passing through two holes 72 and 81 respectively formed in the arm 7. and in the intermediate link 8. The other end of the intermediate link 8 is rotatably mounted on the end of the offset link 9 by a hinge rivet 91 passing through two holes formed respectively in the offset link and in the intermediate link.

  The mechanical movement transmission system thus constituted allows the transmission of rotational and translational movement from the control handle 6 to the shutter 1 through the arm 7, the intermediate link 8, and the offset linkage rod. 9.

  The arm 7 is preferably of bent shape, as represented in FIGS. 1 to 6, so as to constitute a lever arm by deporting the hinge axis 62 by a distance equal to that separating the axis articulation 62 of the handle 6 and the axis of pivoting of the shutter 1, in order to avoid a blockage of the articulation between the arm 7 and the link 8 during the transmission of movements of the arm 7 to the intermediate link 8. The arm 7 has a first branch whose end is hinged to the head plate 4 and a second leg whose end is articulated in rotation with the intermediate link 8, the two branches being perpendicular in connection with the right angle formed by the amount of framing and the wall surface on which the flap 1 is pivotally mounted.

  In relation to the angle formed by the two branches of the bent arm 7, the leaf plate 5 which is fixed on the flap 1 has a stop 57 (FIG. 6) limiting the opening angle between the offset rod 9 and the shutter 1 at a right angle so as to constitute a lever arm used to close the shutter, by offset the pivot axis of the flap. The stop 57 makes it possible to secure the rotational movement of the offset link 9 with that of the flap 1 about its pivot axis 11.

  The mechanical system for transmitting movement from one element to another comprises locking means limiting each of the opening angles between the articulated elements in pairs, so as to avoid a reversal of the direction of rotation transmitted between the intermediate link 8 and the offset rod 9 at the closing of the flap 1, and between the arm 7 and the intermediate link 8 at the opening of the flap 1.

  The bent arm 7 has, along one of the edges of its second arm articulated with the intermediate link 8, a stop 73 adapted to fit into a recess 82 formed on an edge of the intermediate link 8 (FIG. 4). at the opening of the flap 1, to limit the opening angle between the bent arm 7 and the intermediate link 8 so as to avoid reversal of the direction of rotation of said flap, transmitted from said control handle, that would occur beyond an angle of one hundred eighty degrees. When the second leg of the bent arm and the intermediate rod are aligned, the stop 73 not only prevents their relative mobility by blocking the rotational movement of the rod 8 around the bent arm 7, but also, it forces the link 8 to follow the rotational movement of the crank arm about its hinge axis 62 (which is also that of the handle 6).

  The offset link 9 has a stop 92 at its end. The stop 92 limits the opening angle between the intermediate link and the offset link at the closure of the flap. This angle limitation makes it possible, on the one hand, to limit the opening angle between the two links in such a way as to avoid reversal of the direction of rotation transmitted between the intermediate link 8 and the off-axis link 9. On the other hand, the stop 92 makes it possible to keep the end of the bent arm 7 of the shutter 1 at a distance when the flap is in the closed position, so that the end of the bent arm does not come to hit the shutter at the opening of the latter ( Figure 3).

  To control the opening of the shutter 1, a user acts manually on the control handle 6 by rotating it about its hinge axis 62. The crank arm 7 which is fixed on the handle rod 6 follows the movement of In this way, the shutter passes from its closed position illustrated in FIG. 3 to its half-open position illustrated in FIG. 4. The crank arm 7 transmits its rotational movement to the intermediate link 8 The intermediate link 8 aligns with the bent arm, and the abutment 73 of the bent arm is inserted into the niche 82 that has its edge (Figure 4).

  From the moment when the intermediate rod 8 is locked in position against the stop 73, it is secured to the arm 7 in its rotational movement about the hinge axis 62 of the handle 6 (Figure 4). The intermediate rod 8 also transmits to the offset rod 9 the rotational movement which is transmitted to it by the bent arm 7. In its rotational movement about the axis 62, the intermediate link 8 pushes the offset link 9 which is is abutted by its edge against 2864136 13 the protective pads 55 and 56 of the flapper plate 5 attached to the flap 1. The rotational movement of the crank arm 7 about the hinge axis 62 of the handle on the head plate 4 carries with it the intermediate link 8 as well as the offset linkage 9.

  The shutter 1 rotates about its pivot axis 11 until it comes to press against the wall (Figure 5).

  According to secondary features of the invention, the device comprises a mechanism for locking the shutter 1 in the open position. When it is actuated, the locking mechanism prohibits the transmission of the rotational movement to the flap, so that the flap is not likely to close by being for example pushed by the wind.

  In the context of this preferred embodiment of the device according to the invention, the first leg of the bent arm 7 (that which is articulated on the head plate 4) has a length such that, when the shutter is in the open position, it remains sufficient space between the second leg of the crank arm and the flap to allow translation of the crank arm until the second branch comes into contact with its edge with the flap.

  Also, and according to this example, the locking mechanism which prohibits the transmission of the rotational movement of the arm to the flap comprises means for guiding the arm in translation on the head plate by pulling the handle 6, the guide means being constituted by the pair of rivets 13, solidarisant the end of the bent arm 7 and the rod 10 of the handle 6, in cooperation with the rail 45 extended elliptical opening 46 which, respectively, allows only the translation of the pair of rivets or its rotation on itself.

  In this way, the introduction of the pair of rivets 13 into the rail 45 by pulling the handle 6 condemns the rotation of the bent arm 7, and thereby the pivoting of the flap 1 about its axis.

  In addition, the arm 7 has a member for locking the mechanism in its locked position of the flap. The arm 7 has for this purpose a tongue 15 made of a material 2864136 14 resiliently flexible to be bent by exerting pressure on one of its faces and to resume its original shape when the pressure is released (Figure 7). The tongue 15 is fixed under the first branch of the bent arm 7 by means of rivets 16 at one of its ends. It is placed in the alignment of the bent arm 7, under it, so that if we look at the arm bent over, the tongue 15 remains invisible. The other end of the tongue 15 has a protuberance 17 of such dimensions that it can fit into an orifice 47 formed at the end of the rail 45 in the support plate 42 of the head plate 4.

  The bent arm 7 has a push button 18 which passes through a slot 19 and abuts against the upper face of the tongue 15 (Figure 2 and 7).

  To actuate the locking mechanism and keep the shutter in the open position, when it is pressed against the wall, the user brings the angled arm 7 towards him by translation by moving the handle 6 along the amount of frame 3 until the angled arm and the links are aligned against the flap 1 (Figure 5). The translational movement of the arm 7 is transmitted to the intermediate link 8 and the offset link 9 which are then aligned along the flap 1 on the flapper plate 5, under the cleat 12, with their respective slices applied against them. runners 55 and 56 of the leaf plate 5, the abutment 73 of the bent arm being retracted into the niche 82 of the edge of the intermediate link 8. It is then impossible to rotate the flap 1 in rotation about its pivot axis 11 .

  This last position of the bent arm 7 and rods 8 and 9 is maintained by locking the bent arm in the locking position.

  To do this, when the crank arm is driven in translation along the frame amount of the bay, the tongue 15 fixed under the crank arm follows this translational movement. Due to its bent shape and its elastic properties, the tongue slides under the head plate 4 and it then deforms by bending (Figure 7, representation of the tongue in dashed lines). When the protuberance 17 is opposite the orifice 47 of the head plate fixed on the frame post 3, the tongue 15 resumes its initial shape by elastic return, and the protrusion is inserted into the opening 47 of the head plate (Figure 7, s representation of the tab in solid lines). The device is then locked in the locking position and the crank arm 7 can not move either in translation or in rotation. As the bent arm 7 is attached to the rod of the control handle 6, the control handle 6 can not move.

  To unlock the device, pressure is exerted on the push button 18 to bend the tongue 15 by pressing on its upper face and thus to disengage the protuberance 17 from the orifice 47. It is also necessary to move the bent arm 7 in translation on the along the amount 3 by means of the control handle 6 before releasing the pressure on the button 18 so that, at the moment when the pressure on the button is released and the tongue returns to its normal shape, the protuberance 17 is far enough of the orifice not to be inserted again, because once the pressure exerted on the push button 18 is released, the flexible tongue 15 resumes its normal shape.

  To allow rotation of the control handle 6 and the crank arm 7 about the hinge axis 62 of the handle, the user pushes the handle 6 so as to drive it in translation along the amount of frame from the bay. The pair of rivets 13 then moves in the rail 45 until the two rivets are placed in the elliptical opening 46.

  The angled arm 7 is integral with the handle 6 in its translational movement. The translational movement is then transmitted from the arm 7 to the intermediate link 8, and the rod 8 to the offset link 9. When the handle has been pushed to the maximum, and the pair of rivets 13 is positioned in the opening elliptical 46, the three hinge points 71, 91 and 54 of the bent arm and links are no longer aligned and the control handle 6 can pivot about its hinge axis 62.

  To control the closing of the shutter, the user pulls the control handle 6 by tilting it towards him in order to drive it in rotation about his hinge axis 62. The cranked arm 7 is integral with the handle in its rotational movement about the hinge axis 62. It transmits to the intermediate link the rotational movement that has been transmitted. The intermediate link 8 transmits in turn to the offset link 9 the rotational movement that has been transmitted to it, and the offset linkage 9 also transmits to the flap its rotational movement which then pivots about its pivot axis 11.

  During closure of the shutter 1, the stop 57 blocks the opening angle between the offset link 9 and the plane of the shutter 1 (FIG. 6). The stop 57 then acts as a lever arm and the shutter 1, secured to the leaf plate 5, then pivots about its pivot axis 11 in the direction of the rotational movement of the arm about its axis of articulation 62.

  As illustrated in FIG. 6, the stop 92 of the offset linkage blocks the opening angle between the intermediate link 8 and the offset link 9 so as to avoid a reversal of the direction of rotation transmitted between said intermediate link 8 and the misalignment link 9, which tends to open the shutter rather than close it.

  During the transmission of the rotational movement between the intermediate link 8 and the offset link 9, after reaching their maximum opening angle, the offset link 9 is articulated in rotation around the rivet 54 and is housed under the flapper plate 5 against the protective pads 55 and 56 of the flap 1 at the moment the shutter 1 closes the bay 2.

  It should be noted that the device according to the invention can be installed on a flap which is already mounted on a bay and which already has a system to be locked in the closed position, the locking system can be any known system now Fix the end of the shutter in the middle of the bay. The device according to the invention is designed not to prevent the actuation of such locking systems. Also, to keep the shutter in the closed position, it is sufficient to operate the locking system already 2864136 17 present. If the shutter does not present a locking system in the closed position, the device according to the invention does not interfere with the installation of such a system.

  When the flap is in the closed position, it should be noted that the two rods are always locked in rotation relative to each other around the hinge pin 91 because of the stop 92 (Figure 3). At the opening of the flap, all the joints are blocked, except for the articulation of the handle, and therefore of the bent arm 7, about the axis 62. Thus, only the rotational movement of the crank arm 7 about the hinge axis 62 is possible. The rotational movement of the crank arm, generated by the manipulation of the handle 6 about the axis 62, and the rotational movement of the flap 1 about its pivot axis are therefore integral.

  The foregoing description clearly explains how the invention achieves the goals it has set for itself. In particular, it is understood how the stops limiting the opening angles between the links or between the intermediate link and the bent arm, in conjunction with the bent form of the arm, avoid blocking the device on opening or closing the shutter. It is also understood that the invention facilitates the handling of the shutters since the control of the device is done with the handle 6 which is always within reach in the bay 2.

  Nevertheless, it is apparent from the foregoing that the invention is not limited to the embodiment which has been specifically described and shown in the figures.

  For example, in the disclosed embodiment, the orifice 47 is distinct from the elliptical opening 46 of the end of the rail. Alternatively, the elliptical opening 46 of the end of the rail could constitute this orifice.

  It will be understood that this is an example which will not limit the implementation of the device according to the invention on open bays only in the walls of houses. It will also be understood that the embodiment of the device according to the invention will not be limited to the forms which are illustrated in FIGS. 1 to 7, but that the invention on the contrary extends to all variant embodiments.

2864136 19

Claims (10)

  1. Control device for opening and closing a shutter (1) closing a bay (2) open in a wall which is delimited by a frame amount (3), said flap being pivotally mounted pivoting about an axle (1 1) at an outer edge of said frame post (3), from an open position where it is pressed against said wall away from said bay (2), to a closed position where it closes said bay (2), said device comprising a mechanical system of motion transmission io with successive elements articulated one on the other between a head plate (4) which is fixed on said frame amount (3) and a plate flapper (5) which is fixed on said shutter (1), characterized in that said articulated elements comprise an arm (7) which is articulated on said head plate (4) and which is integral in rotation with a handle of manual control of the pivoting of said flap (6), an offset link (9) hinged to said plate of flap (5), and an intermediate link (8) articulated between said arm (7) and said offset link (9), and in that said mechanical system comprises means (73, 92) limiting the angle opening between said arm (7) and said intermediate link (8) at the opening of said flap, and the opening angle between said intermediate link (8) and said offset link (9) at the closure of said flap , so as to avoid a reversal of the direction of rotational movement of said shutter (1) transmitted from said control handle (6).   2. Control device according to claim 1, characterized in that said arm (7) is of bent shape so as to constitute a first lever arm for opening said flap (1) by deporting said articulation axis around of which said arm (7) is articulated, and in that said leaf plate (5) has a stop (57) limiting the opening angle between said offset rod (9) and said flap (1) at an angle 2864136 20 so as to constitute a second lever arm for closing said flap (1), by deporting said pivot axis (1 1) of said flap.   3. Control device according to claim 1 or 2, characterized in that said arm (7) has, along a lateral edge, a stop (73) constituting a first of said locking means, which limits the angle d opening between said arm. (7) and said intermediate link (8) at the opening of said flap, and in that said off-axis link (9) has, in the vicinity of its articulation on said intermediate link (8), a stop (92) constituting a second of said locking means limiting the opening angle between the two said links (8, 9) at the closure of said flap (1).   4. Control device according to claim 3, characterized in that the stop (92) of said offset link (9) constitutes a remote holding element of the end of said arm (7) relative to said flap (1). at the opening of the flap, by defining a maximum opening angle between the intermediate link (8) and said offset link (9), when it is applied by its edge against the flap (1) in the closed position.   5. Control device according to any one of the preceding claims, characterized in that it comprises a locking mechanism of the open flap prohibiting the transmission of the rotational movement to said flap (1) by said system, said mechanism being controlled exclusively when said shutter (1) has reached its open position by a manual pulling action of said handle (6).   6. Control device according to claim 5, characterized in that said arm (7) has a length sufficient to leave a space between its articulated end on said intermediate link and said flap (1) when it is in the open position, so as to allow a translation of said arm (7) along said frame amount a distance equivalent to said space.   7. Control device according to claim 6, characterized in that said locking mechanism of the open flap comprises means for guiding said arm (7) in translation on said head plate (4), said arm (7) having an element (13) cooperating with a lumen formed in said head plate, said lumen being in the form of a rail (45) extending through an opening (46) of larger dimensions, and said member (13) having a shape that allows only a displacement in translation in said rail (45) and only a rotational movement in said opening (46).   8. Control device according to any one of claims 5 to 7, characterized in that it comprises means for locking said mechanism in its locking position of the flap by immobilizing the arm (7) in its displacement in translation, and a manual control member accessible in the vicinity of said handle (6).   9. Control device according to claim 8, characterized in that said locking means comprise a tongue (15) elastically flexible between a first end to said arm (7) and a second end where it has a protuberance (17) adapted to s engage in an orifice (47) formed in said head plate (4), and in that said tongue is subjected to the action of a push button (18) constituting said control member, coming into contact with said tongue through said arm (7) to urge it against resilient biasing forces which tend to engage said protuberance (17) in said port (47).   2864136 22 10. Control device according to any one of the preceding claims, characterized in that said flapper plate (5) is made to be fixed in the lower rabbet of a flap (1) consolidated along its width by a cleat (12). ), and in that said flapper plate (5) comprises protective pads (55, 56) of the flap (1) against which in particular relies said offset link (9) by its edge, accompanying the rotational movement said shutter (1) when opened and closed. io