Classifications

• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
  • E06B9/92—Means allowing the closures to be shifted out of the plane of the opening
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
  • E06B9/08—Roll-type closures
  • E06B9/11—Roller shutters
  • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
  • E06B9/17061—Connection of the box to the guides

Definitions

• the invention relates to a device for maneuvering the projection and / or the return in a plane of a rolling shutter apron, or a similar screen, the winding / unwinding is provided by a drive means , the deck being guided on each side by a slide of which at least a lower part is hinged and can be spaced from the plane of the opening associated with the flap when the projection is desired, each lower part of the slide being connected to a fixed part of a frame or wall by a retractable projection arm hinged at one end to a fixed point and at its other end to a slider slidably mounted in the slider, the slider being movable by a drive member retractable provided at the end of an apron blade, when a projection or return movement is desired, the assembly being provided so that an operator can take the hand to manipulate the shutter to its gu ise in projection open position.
• a device of this kind is known from WO 201 1/007335 in the name of the applicant company.
• a device according to this state of the art gives satisfaction, but the folding of the projection requires to be reliable and secure to avoid a maneuver too fast and too brutal can be embarrassing.
• the operating device does not cause an increase in the closing force.
• EP 2 216 494 discloses a device according to which the projection of the shutter is controlled by the rotation of a winding tube, exclusively in the low point position of the shutter.
• the tube disengages from the apron and drives a pulley to act either by pulling with a cord, or by pushing with a chain on the end of the projection arm or its fixed side crutch. the bay, that is to say, against carpentry.
• the apron In the projected position, the apron can not be moved over its height to modulate the opening of the openings between the blades or raise more significantly the deck to let in the light, but not the sun's rays. It is not possible to maneuver the roller shutter, especially to go up, while maintaining the projection.
• a device for maneuvering the projection and / or the return in a plane of a rolling shutter apron, or similar screen, of the kind defined above is characterized in that it comprises a crutch which is articulated at one end on a point of the projection arm, and which comprises, at its other end, a sliding pin in a vertical guide provided with a stop means which allows the locking of the pin in a determined position corresponding to the projection,
• a triangle configuration is thus provided, during the projection, between the projection arm, the stand and the assembly of the vertical rail and the slide, which ensures an effective maintenance of the projection arm.
• the locking and unblocking of the stand are controlled by an upward-downward movement of the apron.
• the stop means of the crutch pin may comprise a switch at a fixed position of the vertical guide which allows the blocking of the pin in a determined position corresponding to the projection, and the unlocking by a raising-lowering movement of the deck.
• the point of articulation of the projection arm is connected to the joinery or a pre-frame integral with the window panel, while the vertical guide for the sliding of the stand of the stand is fixed along the joinery or the meadow -frame.
• the drive member of the slider may be constituted by a finger mounted on a plate provided in a nozzle engaged in an apron blade, the plate being slidable in a direction parallel to the length of the blade, and being resiliently biased in a rest position, the finger being disposed at right angles to the plate, orthogonal to the plane of the unrolled deck.
• the sliding mounted plate is held and returned to a rest position by a compression spring housed in a rectangular slot of the nozzle.
• the slider can be recalled by a spring in the rest position at the bottom of the slide.
• the slider comprises a plate and a cam spaced from the plate, adapted to cooperate with the drive member.
• the cam has, on its edge facing the other slide, a rectilinear intermediate portion parallel to the longitudinal direction of the slide, and an upwardly bent up portion constituting a hooking means, the rectilinear portion being extended downwards, by a ramp inclined to an edge parallel to the intermediate portion, the cam having on its opposite edge, at the top and at the bottom, ramps substantially parallel to said ramp and which are connected to a straight part.
• the device for maneuvering the projection advantageously comprises a blocking device for the slide in the open projection position.
• This locking device may comprise a lock adapted to engage in at least one notch at the edge of a slot of a wall of the slide in the open projection position, this lock being provided to be erased by the drive member. when the latter hangs the slider.
• the invention also relates to a roller shutter, in particular with operation of the deck provided by an electric motor with control electronics, equipped with a device for maneuvering the projection and / or the return of the rolling shutter apron in a plane, as defined above.
• the roller shutter is mounted in a box closed at each end by a cheek, characterized in that a pre-frame is provided to enter the opening of window or door and be attached to it, and that on this meadow -frame is fixed at least a bayonet support to receive the rolling shutter box by simple interlocking, each end cheek of the box having at least one housing in which the support can be engaged.
• a housing of the cheek may comprise a spring tab clean to lock in a notch of the bayonet support.
• the cheek may comprise, in its lower corner near the pre-frame, a pivot provided to receive an articulated lug adapted to fit into the body of the slide, which has at its upper end a spring tongue which comes into play in an indentation of the paw.
• On either side of the notch may be provided on the leg of the corrugations for the attachment of a tulip which is fitted on the leg, before fitting the slide on the entire leg and the tulip.
• Fig. 1 is a perspective view illustrating the wings of the apron projection relative to a vertical frame intended to be fixed to the table of the window, the deck being represented only by its final blade.
• Fig. 2 is a perspective view, on a larger scale, of the end of the final blade equipped with the pusher engaged with a cam provided on the slide.
• Fig. 3 schematically shows, in elevation, the cam and the slide of FIG. 2.
• Fig. 4 is a partial view in elevation of the lower end of the stand and the stop means provided in the vertical rail, with a switch, the stop means being formed by a latch.
• Fig. 5 shows, similarly to FIG. 4, the kickstand locked in the projected position.
• Fig. 6 is an elevational view of the rail and the stop latch of the stand showing the trajectories of the axis or pin of the stand for the projection and unlocking with movement of the switch.
• Fig. 7 is a perspective view of the end of the final deck blade at the time of unlocking the projection arm, for opening the projection, the slide is not shown.
• Fig. 8 illustrates, similarly to FIG. 7, the next phase of the beginning of the projection opening.
• Fig. 9 is a side perspective view of the end of the final blade provided with the pusher.
• Fig. 10 is a partial view illustrating the locking of the slider in the projected position.
• Fig. 1 1 is a partial sectional view through a plane orthogonal to the plane of the rolled deck, with a slight perspective effect, illustrating a lock in the locking position of the slider in the projected position.
• Fig. 12 shows, similarly to Fig. 1 1, the latch of the slide in the retracted position by the drive member, only shown, of the final blade of the deck.
• Fig. 13 is a diagram of a detail according to the arrow XIII illustrating the blocking of the lock in a notch of the slide.
• Fig. 14 is an exploded perspective view of the upper right corner of the pre-frame and a shutter box cheek before interlocking.
• Fig. 15 is a view of the upper right corner of the pre-frame and part of the nested cheek, on which a hinged tab has been placed.
• Fig. 16 shows, similarly to Fig. 15, but on a larger scale, part of the cheek, and a slide engaged on the paw, and
• Fig. 17 shows, similarly to Fig. 15 and 16, the assembly of the pre-frame, the cheek and the slide at the upper end of which was installed a tulip to guide the entrance of the apron in the slide.
• a shutter 1 partially shown, mounted on a rectangular pre-frame 2 provided to equip a window, not shown, a building.
• the shutter 1 comprises an apron 3 consisting of blades 4 hinged together around a direction parallel to their large horizontal dimension.
• the lower final blade 4a is represented in its entirety, the other blades 4 are partially represented.
• a cheek 5a, 5b is provided at the top of the frame, on each side, to support a shaft (not shown) for winding / unfolding the apron 3 with the aid of a drive means (not shown) advantageously consisting of an electric motor, or a winch operated by crank or strap.
• the apron 3 is guided, on each side, by a slide 6 articulated at its upper end by a hinge 7 installed on the cheek 45, the pre-frame 2, or on the frame of a window, or on the table d 'an opening.
• the slide 6 could be composed of a fixed upper part and a lower part articulated on the upper part. The projection would only concern the lower part.
• the slides 6 are connected at their lower end by a horizontal cross member 8 against which rests the final blade 4a of the deck when the latter is fully deployed.
• Each lower part of the slide is connected to a fixed part of the pre-frame 2, or the table (part of the wall flanking a window) by a retractable projection arm 9.
• the projection arm 9 is articulated, at one end to a fixed part or fixed point M of the frame 2 or the frame of the window or table. At its other end 9a (FIG 2) the projection arm is articulated on a slide C (FIG 2) slidably mounted in the slide 6.
• Fig. 2 shows in perspective, with parts torn off, the left end of the final blade 4a of the apron and the slider C which is housed in the slide 6 behind the plane of the deck, that is to say on the side of the blade 4a turned towards the pre-frame 2.
• the horizontal section of the slide 6 comprises at least two chambers.
• the slider C comprises a plate 10 substantially in the form of a parallelepiped integral, on the side facing the pre-frame 2, an extension 1 1 admitting a mean plane orthogonal to the plate 10.
• This plate 10 is located in a chamber of the slide 6 separated by a partition 41 (of which it will be question about Fig.1 1 -13) of the room where the apron slides.
• the extension 1 1 passes through a slot (not visible) provided in the wing of the slide located between the plate 10 and the pre-frame 2.
• the extension 1 1 has in the lower part a hook 12 and, higher than this hook, a ramp 13 facing the pre-frame 2.
• the extension 1 1 is traversed by a circular opening 14 (Figs 7 and 8) which opens on both sides of the extension 1 1 orthogonal to the wings of the slide 6 and the middle plane of the blade 4a.
• the circular opening 14 is extended upwards by a vertical slot 15 of smaller width, closed at its upper end.
• the articulation of the arm 9 on the slider C is performed at the level of the extension 1 1 with the aid of an axis 16 whose cross section has a substantially rectangular shape with two long sides constituting flats and two small convex sides whose radius of curvature is equal to the radius of the circular opening 14.
• the arm 9, at least at its end 9a, is formed as two branches which surround the extension January 1.
• the axis 16 passes through the extension 1 1 and is supported at each end by one of the branches of the arm 9.
• the slider C is returned to a low position by a traction spring 17 hooked to the lower part of the slider C and to a fixed, non-visible point of the lower part of the slider 6.
• the axis 16 is at the upper end of the slot 15 of the extension 1 1.
• the plate 10 is secured, on the opposite side to the extension 1 1, a cam 18 fixed on the plate 10 with a spacing determined by spacers 18e.
• the cam 18 is located in a vertical plane (when the projection is closed) parallel to the plane of the blade 4a, and is located between this blade 4a and the plate 10.
• the cam 18 has, on its edge facing the other slide, a rectilinear intermediate portion 18.1 (FIG. parallel to the longitudinal direction of the slide 6, and a high part bent downwards constituting a hooking means H.
• the rectilinear portion 18.1 is extended downwardly by a ramp 18.2 inclined towards the other slide and towards the down to an 18.3 edge parallel to 18.1.
• the cam 18 has in the upper part and in the lower part of the ramps 18.4, 18.5, parallel or substantially parallel to the ramp 18.2 and which are connected at a rectilinear portion 18.6 parallel to part 18.1.
• the slide C can be moved in the slide 6 by a retractable drive member 19 provided at the end adjacent to the blade 4a of the apron.
• the drive member 19 is provided on the final blade 4a of the apron, but it is possible to provide this member 19 on another blade apron.
• the member 19 has the shape of a lug or pin orthogonal axis to the large faces of the blade 4a, this member 19 being fixed to the end of a plate 20 parallel to the faces of the blade 4a.
• the plate 20 is located substantially mid-thickness of the blade 4a and is slidably mounted in the direction parallel to the large dimension of the blade 4a, in grooves 21 provided in a nozzle 22 housed in the blade 4a.
• the plate 20 and, with it, the member 19 are held in a rest position, illustrated in FIG. 9, by a compression spring 23 housed in a rectangular slot 22a of the mouthpiece, this light creating two end supports for the spring 23.
• the plate 20 also has an inner lumen, of identical length to that 22a of the endpiece, allowing the turns of the spring 23 to pass transversely.
• the spring 23 When the plate 20 moves in one direction, relative to the endpiece 22, the spring 23 is compressed in abutment against one end of the light 22a and, on the other hand, against one end of the light of the plate 20; the spring 23 thus exerts a return on the plate 20 to the rest position as well to the right as to the left relative to the end piece 20.
• the spring 23 in the free state has a length greater than that of the light 22a to create a holding preload in the light 22a.
• the drive member 19 When the spring 23 is in the rest position, as illustrated in FIG. 9, the drive member 19 is located, laterally, at the edge, outside the blade 4a.
• the member 19 can be moved into the interior of the blade, parallel to the large dimension, entering slots 24 provided on each of the faces of the blade 4a, and compressing the spring 23.
• the member 19 may also be spaced outwardly of the blade 4a by pulling on the spring 23.
• the return in the middle position of the member 19 is provided in both cases by the spring 23 which works in compression.
• the average position of the driving member 19 is provided so that the part of this member which projects from the inner side meets, during the descent of the blade 4a, the ramp 18.4 of the slider C, while during the ascent the drive member 19 encounters the ramp 18.5 (Fig. 3).
• the device for maneuvering the projection comprises, on each side of the shutter, a stand 25 which is articulated at one end, the upper end according to the embodiment illustrated in FIG. 1, on a fixed point 26 of the associated projection arm 9.
• the stand 25 comprises at its other end, the lower end according to the embodiment illustrated in FIG. 4 and 5, a pin 27 projecting parallel to the blade 4a, adapted to slide in a vertical groove 28, provided in a guide 29 adjacent to the amount of the pre-frame 2.
• the groove 28 is provided at its upper end, a stop means 30 (FIG 4 and 5) which allows the locking of the pin 27 in a determined position corresponding to the projection of the shutter.
• This stop means 30 is fixed in the guide 29 at a predetermined height as a function of the desired projection.
• the stop means 30 comprises a switch 31 pivotally mounted about an axis 32, in a cavity 33 provided in the stop means 30 made in the form of a parallelepiped block fixed in the rail 29.
• cavity 33 is connected to the groove 28 in the lower part as illustrated in FIG. 4 and 5 and is delimited by a side wall whose upper end 34 constitutes a stop for the pin 27 engaged in the cavity 33 during a vertical upward movement.
• the lower part of the cavity 33 forms a substantially semicircular housing 35 as illustrated in FIG. 5 limited, on the right according to FIG. 4 and 5, by an upwardly projecting lip 36 delimiting, on the side opposite the housing 35, an inlet groove 37, inclined to the right according to FIG. 4 and 5, and connecting to the upper end of the groove 28.
• the switch 31 is in the form of a substantially ⁇ -shaped part comprising an upper branch 31 inclined on the opposite side to the housing 35, that is to say to the right according to FIG. 4 and 5, and located above the axis 32.
• the lower part of the switch 31, located below the axis 32, has substantially the shape of a fork with two branches 31b and 31c .
• the upper branch 31a is in abutment against the vertical wall located to the right of the cavity 33 while the branch 31b is substantially in contact the opposite vertical wall of the cavity 33, and the branch 31c is substantially in contact with the nose 36, on the side opposite the housing 35.
• the pin 27 When the stand 25 is raised, the pin 27 describes an upward vertical movement and comes into contact with the branch 31a that it rotates in the opposite clockwise direction according to FIG. 4 to cross and abut against the upper end 34 of the cavity, where it is stopped in its race.
• the branch 31 has resumed its rest position.
• a downward movement of the stand 25 causes the falling of the pin 27 towards the housing 35 and its meeting with the branch 31b, which causes the clockwise rotation of the switch 31 and allows the pin 27 of enter the housing 35.
• the switch 31 returns to the rest position as shown in FIG. 5.
• the hook 12 of the extension 1 1 engages in a housing 12a (FIG 8) provided in a block B in the lower part of the slide, so as to maintain the extension 1 1 and the slider C against the frame 2 , in the absence of vertical displacement.
• the block B comprises, inside, in the upper part, a counter ramp against which the ramp 13 of the extension 1 1 comes to slide to initiate the rotational movement of the projection arm 9 towards the outside, during the climb of the slide C.
• the lower blade 4a When operating the rolling shutter apron 1, the lower blade 4a, in a downward movement, causes the driving member or finger 19 to meet the upper ramp 18.4 of the cam 18 (see FIG. .
• the finger 19 is moved towards the other slide, that is to say inwards, against the spring 23 (FIG 9).
• the blade 4a continuing its downward movement, the finger 19 will cross the upper portion of the cam 18 to engage in the hollow portion of the cam defined by the straight segment 18.1.
• the descent path of the finger 19 is schematically illustrated in FIG. 3 by the broken broken line D1.
• the finger 19 then meets the lower ramp 18.2 and escapes from the cam 18.
• the finger 19 meets the lower outer ramp 18.5 and passes outside of the cam 8 as shown by the path D2 broken line in continuous line of FIG. 3, without driving the cam 18 or the slide C.
• the operator wishes to project the apron, in the case of a drive by electric motor, he presses a control that ensures the unfolding of the deck, from the upper position, a distance such that the finger 19 s stops at the rectilinear portion 18.1 in the hollow portion of the cam 18.
• the extension 1 1, integral with the plate 10 is disengaged from the lock 12a located in the block B.
• the upward movement of the extension 1 1, with the plate 10, causes the approximation of the axis 16 and the circular opening 14 as illustrated in FIG. 7, without there being movement of the projection arm 9.
• the ramp 13 meets the counter-ramp provided on the block B, while the axis 16 is located in the circular opening 14.
• a primer of rotation of the projection arm 9 outwards occurs under the action of the ramp 13, this rotation being made possible since the axis 16 is in the opening Circular 14.
• the rise of the blade 4a continues, the projection is deployed and the arm 9 is raised to its substantially horizontal position of FIG. 1.
• each projection arm 9 drives, by the hinge 26, the stand 25 whose pin 27 located at the lower end slides in the vertical groove 28 until it reaches the cavity 33 of the stop means 30, fixed in the vertical direction.
• the pin 27 comes into abutment against the upper end 34 of the cavity 33, there is blocking the upward movement of the deck.
• the detection of this blockage causes the reversal of the direction of rotation of the motor and a downward movement of the deck.
• the operator reverses the movement and lowers the deck.
• the descent movement controlled following the blocking of the climb, is accompanied by the descent of the pin 27 into the cavity 33 as illustrated by the dashed path D3 in FIG. 6.
• the stand 25 is then locked as the arm 9 in the projection position.
• the operator thus takes the hand to manipulate the apron and roller shutter as he wishes, to open or close the deck, while the flap remains in the projection opening position.
• the control of the closing of the projection causes the unwinding of the deck, from the high position, to a position that corresponds to the arrival of the finger 19 in the portion of the cam 18 limited by the segment 18 .1.
• the operator stops lowering the deck when a mark is reached which indicates the correct position of the drive member 19.
• the blade 4a accompanies the return of the slide C in the closed position under the effect of the return spring 17. While descending, the final blade 4a retains the slider C of the projection arm 9, which which has the effect of avoiding a sudden closure.
• an obstacle in the closing zone risk of jamming in the mechanism or between slide and pre-frame
• only the weight of the deck would make an effort. The engine will not develop additional pinch efforts.
• the hook 12 of the slider is positioned above the latch 12a.
• the slot or light 15 in the extension 1 1 of the slider allows the projection arm to complete its descent stroke while the flap is almost closed.
• the hook 12 of the slider meets a ramp on the latch which creates a normal force accentuating the closing effect.
• the traction spring 17 connected to the slide and housed in the slide makes it possible to ensure the necessary vertical force from the top to the bottom of the slide in the lock in order to ensure locking in the closed projection position.
• a locking device 38 (Fig.1 1 and 12) of the slide C mobile in the slide 6 is advantageously provided to intervene when the final blade 4a is not active to clear this blockage.
• the device 38 comprises a latch 39 slidably mounted in a housing 40 of the slider C, in a direction orthogonal to the plane of the rolled deck and a wing 41 of the slide 6 against which slides the plate 10 of the slider C.
• a light S is machined in this wing 41 to allow the passage of the spacers 18e of the slider.
• the cam 18, the blade 4a and the apron, are in a chamber of the slide separated from that of the plate 10 by the wing 41.
• the latch 39 is pushed by a spring (not shown) towards the cam 18, that is to say to the left according to FIGS. 1 and 2, so as to engage in notches 42 provided at the edge of the light S (Fig.13).
• a spring not shown
• the finger 19 pushes the lock 39 to the right, according to FIG. 11 and 12, in a direction orthogonal to the plane of FIG. 13, the lock 39 comes out of the notches 42, and the slide C is released in translation with respect to the slide 6.
• Fig. 12 represents this unlocking position obtained when the finger 19 (only shown) of the nozzle 22 has come to be positioned in the cam 18 to move the slide C.
• the lock 39 comprises, on its side facing the cam 18, an inclined ramp 43 diverging from bottom to top relative to the plate 10 of the slide. This ramp 43 is approached by the finger 19 during the rise of the final blade 4a.
• the finger 19 pushes the lock 39 to the right according to FIG. 12 to release it from the notch 42 and to release the slide C which is driven by the finger 19 and the final blade 4a which goes up in the slide 6.
• the locking device 38 does not modify the operation described above but makes it possible to prevent the projection from being unlocked, in particular by removing the pin 27 from the stand 25 from its seat 35 as a result of inadvertent lifting of the apron and the arm. 9 under the effect of wind or other external action.
• the pre-frame 2 is advantageously provided to allow rapid attachment of the rolling shutter box.
• the projection flap is intended to facilitate the installation and ensure proper operation of the projection system.
• the window or opening tables in general, in the buildings, are more or less regular concerning the flatness, the verticality, the parallelism of the two paintings.
• the pre-frame 2 is provided and made in the factory and dimensioned, after measurements on site, to enter the window opening or door.
• each end flange 45 (which is an advantageous variant of the cheeks 5a, 5b of Fig.1) comprises two housings 46a, 46b, in which may be engaged the supports 44a, 44b. At least one of the dwellings, for example the upper housing 46a has a spring tab 47 adapted to lock in a notch 48 of the bayonet support 44a.
• the trunk, of which only one cheek 45 is shown in FIG. 13, can thus be mounted and locked in position, without the need to use a tool for installation on site.
• the cheek 45 comprises, in its lower corner near the pre-frame 2, a pivot 49 (FIG 14) provided to receive an articulated tab 50, visible in FIG. 15 and 16.
• the lug 50 is provided to fit into the body of the slide 6 (Fig. 16), which has at its upper end a spring tongue 51 which engages at the end of engagement of the slide. 6 on the tab 50, in a notch 52 of this tab.
• a tulip 54 (FIG.17) which is fitted on the tab 50 before the slide 6 is interlocked on the set of paw and tulip.
• the tulip 54 in a conventional manner, constitutes a guide of the apron for its engagement in the slide.
• the installer installs the pre-frame 2 by screwing between the tables of the window. He then lays the rolling shutter box equipped with a box and the complete shutter wound inside, engaging the end flanges 45 of the box, until snapped, on the bayonets 44a, 44b.
• the articulated legs 50 equipped with tulips 54 are in place inside each cheek 45.
• the installer then hooks the projection arms 9 on the movable slides C in the slides 6, and connects the electrical operation of the drive motor of the roller shutter.
• the installer can then perform a first test of operation.
• the slide is advantageously in one part.
• the articulation is performed at the level of the tulip 54, which has several advantages, in particular:
• the tulip 54 has a dual function, to ensure the guidance of the deck that one is in the projected or non-projected position.
• a lock 39 is provided which is housed in a notch 42 of a wall of the slide. This lock is there to prevent any inadvertent closing of the projection in the case of wind squall.
• the projection system is dimensioned geometrically so that, in the projected position, the arm 9 makes an angle substantially at 90 ° with the slide 6. As a result, traction on the slide 6, in the direction of a greater opening of the projection, does not take out the pin 27 from its slot 35.
• a second notch 48 may be added at the level of the assembly of the cheeks 45 on the bayonets 44a in order to provide a safety catch to prevent any risk of falling from the trunk. Indeed, if the installer did not push the cheek 45 in the pre-frame 2, there would be a risk of falling from the trunk.
• the maneuvering device makes it possible to obtain a particularly stable open projection position with the triangulation ensured by the stand 25, while the closure of the projection is provided in a particularly gentle manner and reduces the risk of pinching.

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• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
• Overhead Projectors And Projection Screens (AREA)
• Building Awnings And Sunshades (AREA)

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Citations (2)

• 2011
  • 2011-11-24 FR FR1160728A patent/FR2983232B1/fr active Active
• 2012
  • 2012-11-23 PT PT128066917T patent/PT2783063T/pt unknown
  • 2012-11-23 PL PL12806691T patent/PL2783063T3/pl unknown
  • 2012-11-23 ES ES12806691.7T patent/ES2666876T3/es active Active
  • 2012-11-23 EP EP12806691.7A patent/EP2783063B1/de active Active
  • 2012-11-23 WO PCT/IB2012/056653 patent/WO2013076689A2/fr active Application Filing
• 2014
  • 2014-05-07 TN TNP2014000205A patent/TN2014000205A1/fr unknown
  • 2014-05-13 MA MA37021A patent/MA35640B1/fr unknown

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