EP1488070B1 - Sicherheitseinrichtung und betätigungsvorrichtung einer schliess- oder sonnenschutzeinrichtung mit einer solchen einrichtung - Google Patents

Sicherheitseinrichtung und betätigungsvorrichtung einer schliess- oder sonnenschutzeinrichtung mit einer solchen einrichtung Download PDF

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Publication number
EP1488070B1
EP1488070B1 EP03727616.9A EP03727616A EP1488070B1 EP 1488070 B1 EP1488070 B1 EP 1488070B1 EP 03727616 A EP03727616 A EP 03727616A EP 1488070 B1 EP1488070 B1 EP 1488070B1
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EP
European Patent Office
Prior art keywords
shaft
catch
spring
ring
braking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP03727616.9A
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English (en)
French (fr)
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EP1488070A1 (de
Inventor
Christophe Bresson
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Simu SAS
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Simu SAS
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Publication date
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Publication of EP1488070A1 publication Critical patent/EP1488070A1/de
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Publication of EP1488070B1 publication Critical patent/EP1488070B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
    • E05D13/1269—Spring safety devices
    • 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
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/84—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against dropping
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
    • E05F15/681—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings operated by flexible elongated pulling elements, e.g. belts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • E05Y2201/482—Ribbon springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING 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
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING 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
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages

Definitions

  • the invention relates to a safety device for a closure or sun protection system.
  • the invention also relates to a mechanism for operating such an installation.
  • Closure means doors, gates, shutters and equivalent materials.
  • a winding mechanism for operating an apron, a door, a shutter or the like.
  • Such a mechanism can be actuated mechanically, thanks to a strap or a crank, or electrically through a motor that is most often motor-brake type. It is known to compensate the torque exerted on the winding mechanism by the weight of the deck by means of one or more so-called compensation springs.
  • FR-A-2 242 010 discloses a pawl or balance which comprises a branch capable of coming into engagement with an external toothing of a wheel secured to a winding shaft of an apron.
  • This balance comprises a second branch provided with a roller which forms a counter-weight to the first, while the roller rolls on corrugations formed at the periphery of a second wheel, integral with the first.
  • Gravity tends to press the pebble onto the periphery of the second wheel, so that the first leg of the balance oscillates between an engagement position and clearance relative to the teeth of the first wheel without abutting against them, which is actually the case when the speed of wheel rotation is reduced.
  • DE-A-29 15 547 plans to replace the teeth with rods that provide both the ripple and the locking of a ratchet. This device is active to stop the rotation of a winding shaft only beyond a certain speed of this shaft.
  • Such a situation can in particular occur in the case of an installation comprising several compensation means, such as spring boxes, especially in case of rupture of one of the springs. Such a situation can also occur in the case of an installation comprising a single compensation spring, whose stiffness constant decreases with fatigue.
  • the compensation springs are oversized so that the efforts they deploy are always greater than the effect of the weight of the door lowering, otherwise the downward movement of the apron or grid by the action of the motor induces successive blockages / releases of the pawl that can, in the long run, damage the mechanism.
  • the invention more particularly intends to remedy by proposing a safety device for a closing or sun protection installation comprising an oscillating ratchet. which functions properly, including in case of failure of a compensating means, such as a spring.
  • the invention relates to a safety device for a closing or sun protection system comprising a drive mechanism of an obturation shutter of an opening, this mechanism including a fixed shaft and an element provided with a toothing adapted to cooperate with at least one oscillating pawl or with a cylindrical element oscillating during the rotational movements of the shaft and able to immobilize it in rotation.
  • This device is characterized in that it comprises means for braking or blocking the pawl or the cylindrical element in its oscillation movement during a rolling movement of the apron, these braking or locking means being controlled by means of means for detecting a rupture or failure of a spring or a torque compensation cable exerted on this shaft by the apron.
  • a failure of a compensation means such as a spring, and more particularly a rupture of such a spring, induces a braking of the oscillating pawl, which makes it possible to hold it in the locking position of the spring. element provided with a toothing.
  • a failure of a compensation means such as a spring, and more particularly a rupture of such a spring, induces a braking of the oscillating pawl, which makes it possible to hold it in the locking position of the spring. element provided with a toothing.
  • the braking means and the associated detection means make it possible to react immediately to a failure of the compensating means, before a significant variation in speed of the rotary shaft corresponding to a potentially dangerous displacement of the rotary shaft occurs.
  • shutter means The device of the invention operates, in practice, through a detection of the torque due to the compensation spring and not by the detection of a compensation deficit.
  • the device For compensated type installations, the device provides dual protection, ie low speed protection, which is the case when the failure concerns the compensation means, and at high speed, which is the case for other failures. It turns out in practice that, in compensated installations, the fall of the closure means, that is to say most of the deck, is most often the result of a failure of the compensation means. Thanks to the invention, the life of the installation is maintained since, in the most frequent case, it is not created shock during the implementation of the safety device.
  • the device of the invention is also simpler, lighter, less expensive and less cumbersome than those of the state of the art.
  • the compensation means is a spring banded around an end support of the shaft, between a fixed part relative to the support and an annular member adapted to rotate around that -cci being driven by the shaft, the pawl being pivotally mounted about a fixed axis by providing support.
  • the compensation means is a spring loaded by a weight and secured to an annular member surrounding an end support of the shaft, the pawl being pivotally mounted about an axis. fixed relative to this support.
  • the compensation means is a spring banded around a motor assembly disposed inside the shaft, the pawl being pivotally mounted about a fixed axis by relative to an end support portion of this shaft.
  • the compensation means is a spring integrated in a spring box (s) disposed inside the shaft, between the latter and a fixed shaft, the spring box (s) also comprising the pawl, the braking means and the detection means.
  • the invention also relates to a mechanism for operating a closure or sun protection system which comprises a safety device as previously described.
  • a mechanism for operating a closure or sun protection system which comprises a safety device as previously described.
  • Such a mechanism is more reliable, more compact and less expensive than those of the state of the art. It is particularly secure against a failure of a compensation spring.
  • Mechanism 1 partially represented in Figures 1 to 3 is provided for the controlled winding, around a substantially horizontal axis X-X ', an apron T to selectively close an opening O provided in a building.
  • This mechanism is intended to be supported by compared to the masonry of a building, by means of a consolation 2 possibly integrated into a tunnel box.
  • the mechanism 1 comprises a tubular shaft 3 with a circular section and whose longitudinal axis coincides with the axis X-X '.
  • the shaft 3 could have a polygonal section or another profile.
  • a support 4 fixed by any appropriate means on the console 2, is disposed inside the tube 3 and is equipped with an annular ring 5 which surrounds the support 4 being immobilized thereon in rotation and in translation.
  • the ring 5 is fixed in relation to the masonry of the building.
  • a pawl 6 is mounted on a mechanical axis 7 passing through an opening 51 of the ring 5.
  • A-A ' the geometric axis of symmetry of the shaft 7.
  • the axes X-X' and A-A ' are generally parallel.
  • the pawl 6 comprises a first branch 61 extending radially with respect to the axis A-A 'when the pawl 6 is mounted on the axis 7 and a second branch 62.
  • a ring 8 is also mounted around the support 4 and immobilized axially relative thereto by means of a circlip 81 engaged in a groove 41 of the support 4.
  • the ring 8 is integral in rotation with the shaft 3.
  • the ring 8 comprises an internal sleeve 82 defining a cylindrical surface with a circular base 83 of radius substantially equal to the outer radial surface 43 of the support 4, so that the ring 8 can rotate about the axis XX 'by sliding on the surface 43.
  • the ring 8 also comprises an outer sleeve 84 provided with holes 85 not shown to allow the rotation of the ring 8 and the shaft 3 in rotation and in translation.
  • An annular web 86 connects the sleeves 82 and 84 and is pierced with three openings 87.
  • Three ribs 88 are also provided between the sleeves 82 and 84 being perpendicular to the web 86.
  • An inclined toothing 89 is formed inside the sleeve 84. This toothing is oriented and dimensioned to cooperate, if necessary, with the branch 62 of the pawl 6.
  • a ring 9 is provided to be mounted around the sleeve 82 being held axially by a circlip 91 engaged in a groove 81 'of the ring 81.
  • the outer surface 92 of the ring 9 is generally frustoconical and stepped.
  • the surface 92 is also provided with a notch 93 for receiving and jamming a first end of a compensation spring 10, the part of which is closest to this end is wound on the surface 92.
  • the opposite end of the spring 10 is immobilized on a ring 11 of external shape also frustoconical, itself immobilized on the support 4 by means of a pin 12.
  • a motor assembly not shown which may be electrical or mechanical and disposed near the opposite end of the shaft 3, rotates the shaft 3 about the axis X-X ', as shown by the double arrow R at the figure 3 .
  • the ring 9 is provided with ribs 95 each extending in a radial direction relative to a central sleeve 96 and provided with a pin 97 for centering a compression spring 30 to be housed between a rib 95 and a rib 88 which are opposite when the ring 9 is mounted on the ring 8, as shown in FIG. figure 3 .
  • the compensation spring 10 is more or less banded between the ring 9 and the ring 11.
  • the shaft 3 rotates the ring 8 which trained by the cooperation of the ribs 88 and 95, the ring 9.
  • the tension of the spring 10 increases or decreases.
  • the pawl 6 oscillates about the axis A-A', this oscillations movement being generated by the successive contacts between the branch 62 and the teeth of the toothing 89 and the effect of the weight of the branch 61 which is heavier than the branch 62.
  • the pawl 6 or equivalent is of the non-blocking type by default. It becomes blocking under the effect of the centrifugal force, during a rapid rotation of the shaft 3 or equivalent in unfolding the deck T.
  • a ring 20 is interposed between the ring 5 and the face 86 a of the web 86 facing towards the ring 5.
  • the ring 20 is interposed between the face 86a and the pawl 6.
  • the ring 20 has inner diameter D i and Outside such that its face 21 facing the pawl 6 is generally aligned with a side face 63 of the pawl.
  • the ring 20 is able to bear against the pawl 6.
  • the ring 20 is provided with three tongues 22 sized to be engaged in the openings 87 of the ring 8 and each provided, on their face 23 facing the X-X 'axis, with a groove 24 in the form of a section of FIG. propeller.
  • the ring 9 is provided with three helical ribs 94 dimensioned and arranged such that they can be engaged in the grooves 24 of the ring 20.
  • the angle of inclination of the elements 94 and 24 with respect to the axis XX ' is such that the elements 94 and 24 play the role of nets to "screw" the ring 20 on the ring 9 in the direction represented by the arrow R 'to the figure 1 .
  • a clearance J is provided between the ring 20 and the lateral face 63 of the pawl 6.
  • the torque C 2 has a relatively low value compared to the torque C 1 .
  • the value of the stiffness constants of the springs 30 is chosen for this purpose as a function of that of the spring 10.
  • braking or blocking of the pawl 6 is obtained in the event of complete or almost complete failure of the spring 10 and not in case of momentary under-compensation due, for example, to a variation of the winding diameter of the deck, as could occur in a device operating on the basis of a compensation deficit.
  • the ring 20 then plays the role of a brake pad of the pawl 6, because its face 21 comes into contact with the side face 63 of the pawl.
  • the mechanism 101 of this embodiment is provided for the winding of an apron T and comprises a shaft 103 mounted on a ring 108, it -Even supported by a support 104 immobilized relative to a console 102 fixed relative to the masonry of a building.
  • a ring 105 is mounted at the end of the support 104 and immobilized axially by means of a circlip 151 and in rotation by cooperation of shapes.
  • the ring 105 supports a mechanical axis 107 whose A-A 'geometric axis is noted, while note X-X' the geometric axis of the tube 103 which is also its axis of rotation. Axes A-A 'and X-X' are generally parallel.
  • a ring 109 is disposed on the ring 108 and immobilized axially, with the possibility of rotation, by means of a circlip 181.
  • the ring 109 is extended axially by a sleeve 192.
  • Around this sleeve 192 is wound a cable 110 which is suspended a weight P.
  • a ring 120 is equipped with tabs 122 provided with grooves 124 for receiving ribs 194 formed on the ring 109, the cooperation of the elements 124 and 194 making it possible to exert on the ring 120 efforts F 1 and F 2 of translation parallel to the axes AA 'and X-X', which allows the ring 120 to selectively brake a pawl 106 mounted on the axis 107.
  • the force F 1 is generated by the weight P, whereas the force F 2 is generated by springs 130 interposed between ribs respectively belonging to the ring 108 and to the ring 109.
  • a failure of the weight support means P in particular a rupture of the cable 110, has the effect of rotating the ring 109 about the axis X-X '. This induces, as in the previous embodiment, a displacement of the ring 120 in the direction of the pawl 106, the ring blocking the pawl engaging in the toothing 189. As a result, the ring 108 and the tube 103 are immobilized in rotation relative to the ring 105 and the support 104.
  • a mechanism for rotating the shaft 103 may be provided at the opposite end of this shaft.
  • the mechanism 201 of this embodiment is provided for the controlled winding of an apron T about an axis XX 'which is also axis of symmetry of a shaft 203.
  • a ring 208 Around the axis XX 'are arranged a ring 208, a ring 209, a pawl 206, a ring 220 and springs 230.
  • a compensation spring 210 is banded between the ring 209 and a ring 211 also centered on the axis X-X '.
  • This embodiment differs from the previous ones in that an electric motor 275 is integrated in the support 204 of the shaft 203 and previously mentioned elements. 276 is the output shaft of the motor 275, this shaft being integral in rotation with a disk 277 driving in rotation of the shaft 203.
  • the outer housing 278 of the motor 275 has substantially the same geometry as the support 4 of the first embodiment.
  • the pawl 206 is articulated about an axis 207 fixed on a part 205 integral with the support 204.
  • This embodiment has the particular advantage that all the motorization, compensation and safety functions of the mechanism 201 are grouped together in a compact device that can be pre-assembled at the factory, before being placed inside. from one end of the shaft 203.
  • the mechanism 301 of this embodiment comprises a tube 303 of controlled winding of an apron T about an axis XX 'which is also the axis of symmetry of the tube 303.
  • a fixed shaft 304 extends inside the shaft 303 and a spring box (s) 400 is interposed between the shafts 303 and 304.
  • This spring box (s) comprises a compensation spring 310 having one end 310a is secured to an inner radial portion 401 of the box 400 and the other end 310b is secured to an annular element 309 rotatably mounted on a ring 308, itself secured to the shaft 303.
  • a ring 320 constitutes a pad capable of braking a pawl 306 supported by a mechanical pin 307 secured to a side wall 305 of the spring box 400, this side wall being, in practice, integral with the portion 401 which is fixed relative to the shaft 304.
  • Springs 330 allow to exert on the annular part 309 a force transmitted by a rib 394 in a groove 324 of the ring 320 and tending to press the ring 320 against the pawl 306, as shown by the arrow of force F 2.
  • the force exerted by the springs 330 is overcome by the spring 310, so that the ring 320 is kept at a distance from the pawl 306 while maintaining a clearance J, as represented by the arrow of effort F.
  • the geometry of the grooves 24 and ribs 94 or equivalent elements of the second, third and fourth embodiments is not necessarily helical.
  • the rings 108, 208 and 308 of the second, third and fourth embodiments are respectively provided with teeth 189, 289 and 389 similar to the teeth 89 of the first embodiment.
  • a winding shaft 503 is provided to rotate about an axis XX 'to allow the controlled winding of a apron T.
  • a ring 505 is fixed by a console not shown to the masonry of a building.
  • a pawl 506 is integral, in rotation about the axis X-X ', of the shaft 503 which defines a receiving housing 503a of the pawl 506.
  • the pawl 506 is provided with two branches 561 and 562 and a body central 563.
  • the branch 561 is able to cooperate with an inclined toothing 589 formed at the periphery of the ring 505.
  • a leaf spring 571 exerts on the branch 562 a force F 3 intended to induce a pivoting of the pawl 562 about its axis X 1 -X ' 1 of articulation on the shaft 503 in the direction of the arrow F 4 to the figure 10 , which has the effect of moving the branch 561 away from the toothing 589.
  • the axes XX 'and X 1 -X' 1 are generally parallel.
  • the branches 561 and 562 are generally balanced, which allows the pawl 506 to function effectively, as evoked with reference to the ratchets of the previous embodiments, regardless of the orientation of the shaft 503 about the X-X axis. .
  • a compensation spring 510 is provided in the installation and is locked on a ring 509, itself mounted to pivot about the ring 505.
  • the ring 509 is provided with a radial extension 591 intended to penetrate into a notch 503b arranged in the shaft 503, a spring 530 being interposed between the extension 591 and one side of the notch 503b. This spring exerts on the extension 591 an elastic force F 5 oriented towards the left to the figure 8 .
  • the force F 5 has the effect of moving the ring 509 relative to the shaft 503 to the left at the figure 8 and up to the figure 9 , which has the effect of bringing a surface 592 formed on the ring 509 bearing against an end finger 564 of the pawl 506.
  • the surface 592 is inclined with respect to the axis X 1 -X ' 1 and with respect to the axis X-X', so that the displacement of the ring 509 under the force F 5 , displacement which is represented by the arrow F 6 at the figure 9 , has the effect of pushing the finger 564 and the entire pawl 506 in the direction of the arrow F 7 .
  • the wafer 572 could be mounted on the pawl 506, in which case it is moved with the pawl in the direction of a side face 503 of the housing 503 c.
  • the pawl 606 switches in the direction of the arrow F 8 to the figure 12 , which has the effect of bringing its branch 661 in engagement with a set of teeth 689 provided on a fixed ring 605 with respect to the structure of the building and around which the ring 609 is mounted.
  • the pawl 606 is received in a housing 603a formed in the winding shaft 603 of the deck T.
  • a spring 671 exerts on the pawl 606 an elastic force F 3 away from the branch 661 with respect to the toothing 689.
  • the receiving housings of the ratchet can be obtained by assembly of several parts together forming the shaft 503 or 603.
  • the mechanism 701 of this embodiment also comprises a ring 705 fixed relative to the structure of a building and a ring 709 mounted to pivoting about the ring 705 and rotationally integral with a compensation spring 710.
  • a shaft 703 is provided for the controlled winding of an apron T by its rotation about a generally horizontal axis X-X '.
  • Pawls 706 are provided to cooperate with a toothing 789 provided on the ring 705.
  • a complementary toothing 790 is associated with the toothing 789 for periodically moving the pawls 706 towards the toothing 789 during the rotation of the shaft 703.
  • An extension 703 d is provided on the shaft 703 to extend within a housing 793 formed in the ring 709 and inside which is disposed a spring 730 acting on the extension 703 of an effort F 5 directed to the right at the figure 15 and overcome by the torque exerted by the spring 710 in normal operation of the installation.
  • the force F 5 moves the extension 703 from within the housing 793, which has the effect of rotationally moving the ring 709 relative to the shaft 703, as shown by the arrow F 6 at the figure 16 .
  • a radial notch 794 is provided in the ring 709 while a shuttle 780 is installed in a housing 703 e provided in a part 703 'integral with the shaft 703.
  • the side faces 794a and 794b of the notch 794 are flared, which makes it possible, during the movement F 6 , to exert on the shuttle 780 a centrifugal force F 10 with respect to the axis XX 'and having the effect of moving the end 780a of the shuttle 780 radially outwards, this pushing the pawl 706 radially in the direction of the arrow F 11 and preventing a new introduction of a pawl 706 in the housing 703 f normally provided for it in the shaft 703.
  • the pawl 706 comes into engagement with the teeth 789 and the mechanism is locked in rotation.
  • a shuttle 780 is provided under each housing 703 f .
  • the ring 709 has, moreover, several radial notches 794 corresponding to the different shuttles 780.
  • the tooth of the toothing 789 visible at the figure 16 is bordered by a portion 789 of a relatively small radius of curvature followed by a portion 789 b partially shown in phantom in this Figure, this part is closer to the ring 709 away from the portion 789 a, so that the pawls disposed opposite part 789 b can not leave their respective housings, no radial movement being possible when the portion 789a is adjacent to the ring 709.
  • the two ends 780 a and 180 b of the shuttle 780 are connected by a 780 c forming a spring blade.
  • a 780 c forming a spring blade.
  • the invention has been described with an apron T selectively windable around a shaft for closing an opening O. It is however applicable regardless of the nature of the closure means used, which may in particular be a panel rigid or semi-rigid controlled by straps themselves wound on a tree.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Braking Arrangements (AREA)

Claims (26)

  1. Sicherheitsvorrichtung für eine Schließ- oder Sonnenschutzeinrichtung, welche einen Mechanismus zum Antreiben einer Schürze zum Verschließen (T) einer Öffnung (O) aufweist, wobei der Mechanismus eine Welle (3; 103; 203; 303; 503; 603; 703) und ein Element (8; 108; 208; 308; 505; 605; 705) aufweist, welches mit einem Zahn (89; 189; 289; 389; 589; 689; 789) versehen ist, welcher dazu eingerichtet ist, mit wenigstens einer schwenkenden Sperrklinke (6; 106; 206; 306; 506; 606) oder mit einem schwenkenden Zylinderelement (706) bei Drehbewegungen der Welle zusammenzuwirken, und dazu eingerichtet ist, die Drehung der Welle zu blockieren, dadurch gekennzeichnet, dass sie Mittel (20; 120; 220; 320; 572; 592; 692; 794) zum Bremsen oder zum Blockieren der Sperrklinke (6; 106; 206; 306; 506; 606) oder des Zylinderelements (706) in deren Schwenkbewegung bei einer Abrollbewegung der Schürze (T) aufweist, wobei die Mittel zum Bremsen oder zum Blockieren durch Mittel (8, 9, 30; 108, 109, 130; 208, 209, 230; 308, 309, 330; 509; 609; 709) zur Detektion eines Bruchs oder eines Versagens einer Feder oder eines Seils (10; 110; 210; 310; 510; 610; 710) zur Kompensation eines durch die Schürze (T) auf die Welle (3; 103; 203; 303; 503; 603; 703) ausgeübten Drehmoments gesteuert werden.
  2. Vorrichtung gemäß Anspruch 1, welche dadurch gekennzeichnet ist, dass die Mittel zum Bremsen oder zum Blockieren einen Schlitten (20; 120; 220; 320) aufweisen, welcher bezüglich der Welle (3; 103; 203; 303) axial bewegbar (X-X') ist und dazu eingerichtet ist, gegen die Sperrklinke zum Anliegen zu kommen (F2).
  3. Vorrichtung gemäß Anspruch 2, welche dadurch gekennzeichnet ist, dass der Schlitten wenigstens ein Relief (24; 124; 324) trägt, welches dazu eingerichtet ist, mit einem zugehörigen Relief (94; 194; 394) zusammenzuwirken, das an einem mit dem Mittel zur Kompensation (10; 110; 210; 310) drehfest verbundenen Organ (9; 109; 209; 309) vorgesehen ist, zur Steuerung der axialen Position des Schlittens bezüglich der Sperrklinke (6; 106; 206; 306).
  4. Vorrichtung gemäß Anspruch 3, welche dadurch gekennzeichnet ist, dass die jeweils an dem Organ (9; 109; 209; 309) und dem Schlitten (20; 120; 220; 320) vorgesehenen Reliefe Rippen (94; 194; 394) und Vertiefungen (24; 124; 324) aufweisen, welche dazu eingerichtet sind, ineinander zu greifen.
  5. Vorrichtung gemäß einem der Ansprüche 3 oder 4, welche dadurch gekennzeichnet ist, dass wenigstens bestimmte (24; 124; 324) der Reliefe an Zungen (22; 122) ausgebildet sind, welche sich durch die Öffnungen (87) hindurch erstrecken, welche in dem mit der Welle (3; 103; 203; 303) fest verbundenen Element (8; 108; 208; 308) vorgesehen sind.
  6. Vorrichtung gemäß einem der Ansprüche 3 bis 5, welche dadurch gekennzeichnet ist, dass der Schlitten (20; 120; 220; 320) und das Organ (9; 109; 209; 309) axial an beiden Seiten des Elements (8; 108; 208; 308) angeordnet sind und durch das Zusammenwirken der Reliefe (24, 94; 124, 194; 324, 394) kinematisch verbunden sind.
  7. Vorrichtung gemäß einem der Ansprüche 2 bis 6, welche dadurch gekennzeichnet ist, dass sie Mittel (30; 130; 230; 330; zum Aufbringen einer Federkraft (C2,F2) zum verschieben des Schlittens (20; 120; 220; 320) hin zu der Sperrklinke (6; 106; 206; 306) aufweist.
  8. Vorrichtung gemäß den Ansprüchen 3 und 7, welche dadurch gekennzeichnet ist, dass das Organ (9; 109; 209; 309) und das Element (8; 108; 208; 308) mit Rippen (88, 95) versehen sind, zwischen denen wenigstens eine Druckfeder (30; 130; 230; 330) angeordnet ist, welche zum Drehen des Organs bezüglich dem Element ein Drehmoment (C2) ausübt.
  9. Vorrichtung gemäß einem der Ansprüche 2 bis 8, welche dadurch gekennzeichnet ist, dass der Schlitten ein Ring (20; 120; 220; 320) ist, welcher im Inneren der Welle (3; 103; 203, 303) und um ein Element herum angeordnet ist, welches eine Abstützung (4; 104; 204; 304) und/oder eine Motorisierungseinrichtung (275) für den Mechanismus (1; 101; 201; 301) bildet.
  10. Vorrichtung gemäß dem Anspruch 1, welche dadurch gekennzeichnet ist, dass die Mittel (592; 692; 794) zum Bremsen oder Blockieren dazu eingerichtet sind, die Sperrklinke (506; 606; 706) hin zu einer Brems- oder Blockierposition zu verstellen (F7, F11) oder zu schwenken.
  11. Vorrichtung gemäß dem Anspruch 10, welche dadurch gekennzeichnet ist, dass sie eine Reibfläche (572) aufweist, welche an der Sperrklinke (506) oder dieser gegenüber angebracht ist, und welche dazu vorgesehen ist, die Sperrklinke in anliegender Weise aufzunehmen oder mit einer Anlagefläche (503c) in Kontakt zu kommen.
  12. Vorrichtung gemäß einem der Ansprüche 10 oder 11, welche dadurch gekennzeichnet ist, dass die Mittel zum Bremsen oder Blockieren eine Fläche (592; 692; 794a; 794b) aufweisen, welche an einem mit dem Mittel zur Kompensation (510; 610; 710) drehfest verbundenen Teil (509; 609; 709) vorgesehen ist und welche dazu vorgesehen ist, direkt oder indirekt eine Verstell-(F7,F11) oder Schwenkkraft auf die Sperrklinke (506; 606; 706) auszuüben.
  13. Vorrichtung gemäß dem Anspruch 12, welche dadurch gekennzeichnet ist, dass die Fläche (592) sich entlang einer bezüglich einer Drehachse (X-X') der Welle (503) im Wesentlichen geneigten Richtung erstreckt, wobei die Fläche eine Rampe ausbildet, welche dazu eingerichtet ist, die Sperrklinke hin in eine Brems- oder Blockierposition zu verstellen (F7).
  14. Vorrichtung gemäß dem Anspruch 12, welche dadurch gekennzeichnet ist, dass die Fläche (692) bezüglich einer Drehachse (X-X') der Welle (603) im Wesentlichen radial ist, wobei die Fläche dazu eingerichtet ist, mit einem Finger (666) der Sperrklinke zusammenzuwirken, um sie durch In-Eingriff-Bringen mit dem Zahn (689) um ihre Schwenkachse (X1-X'1) in eine Position zum Bremsen oder Blockieren zu schwenken.
  15. Vorrichtung gemäß einem der Ansprüche 13 oder 14, welche dadurch gekennzeichnet ist, dass sie Mittel (571; 671) zum Rückstellen der Sperrklinke (506; 606) in die entgegengesetzte Richtung zu der Brems- oder Blockierposition aufweist.
  16. Vorrichtung gemäß einem der Ansprüche 10 bis 12, welche dadurch gekennzeichnet ist, dass die Mittel zum Bremsen oder Blockieren wenigstens ein Pendelstück (780) aufweisen, welche dazu eingerichtet ist, die Sperrklinke (706) in Richtung eines feststehenden Zahns (789) zum Blockieren zu verstellen (E11).
  17. Vorrichtung gemäß dem Anspruch 16, welche dadurch gekennzeichnet ist, dass das Pendelstück mit einem elastischen Mittel (780c) zum Einstellen seiner zwischen einer Auflagefläche (794) und der Sperrklinke (706) liegenden Länge versehen ist.
  18. Vorrichtung gemäß einem der Ansprüche 10 bis 17, welche dadurch gekennzeichnet ist, dass sie Mittel (530; 630; 730) zum elastischen Rückstellen (F5) der Mittel (592; 692; 794) zum Bremsen oder zum Blockieren hin zu einer Position, in welcher sie auf die Sperrklinke (506; 606; 706) eine Verstell- oder Schwenkkraft hin zu einer Brems- oder Blockierposition ausüben, aufweist.
  19. Vorrichtung gemäß einem der vorhergehenden Ansprüche, welche dadurch gekennzeichnet ist, dass die Sperrklinke (6; 106; 206; 306) an einem feststehenden Element der Einrichtung montiert ist.
  20. Vorrichtung gemäß einem der Ansprüche 1 bis 18, welche dadurch gekennzeichnet ist, dass die Sperrklinke (506; 606; 706) an einem mit der Welle (503; 603; 703) drehfest verbundenen Element montiert ist und dazu vorgesehen ist, durch dieses in Drehung versetzt zu werden.
  21. Vorrichtung gemäß einem der vorhergehenden Ansprüche, welche dadurch gekennzeichnet ist, dass die Mittel zum Bremsen oder zum Blockieren (20; 120; 220; 320), die Mittel zur Detektion (8, 9, 30; 108, 109, 130; 208, 209, 230) und das Mittel zur Kompensation (10; 110; 210; 310) um ein Element herum angeordnet sind, welches eine Abstützung (4; 104; 204; 304) und/oder eine Motorisierungseinrichtung (275) für den Mechanismus (1; 101; 201; 301) bildet.
  22. Vorrichtung gemäß einem der vorhergehenden Ansprüche, welche dadurch gekennzeichnet ist, dass das Mittel zur Kompensation eine Feder (10) ist, welche um eine Endabstützung (4) der Welle (3) herum zwischen einem bezüglich der Abstützung feststehenden Teil (11) und einem runden Organ (9) gewickelt ist, welches dazu eingerichtet ist, sich um die Abstützung zu drehen, wenn es durch die Welle (3) angetrieben wird, wobei die Sperrklinke (6) um eine bezüglich der Abstützung feststehende Achse (7) schwenkend montiert ist.
  23. Vorrichtung gemäß einem der Ansprüche 1 bis 22, welche dadurch gekennzeichnet ist, dass das Mittel zur Kompensation eine Feder (110) ist, welche mit einem Gewicht (P) verbunden ist und mit einem runden Organ (109) fest verbunden ist, welches eine Endabstützung (104) der Welle (103) umgibt, wobei die Sperrklinke (106) um eine bezüglich der Abstützung feststehende Achse (107) schwenkend montiert ist.
  24. Vorrichtung gemäß einem der Ansprüche 1 bis 22, welche dadurch gekennzeichnet ist, dass das Mittel zur Kompensation eine Feder (210) ist, welche um eine Motorisierungseinrichtung (204, 275) herum gewickelt ist, welche innerhalb der Welle (203) angeordnet ist, wobei die Sperrklinke (206) um eine bezüglich eines die Endabstützung der Welle ausbildenden Teils (204, 205) feststehende Achse (207) schwenkend montiert ist.
  25. Vorrichtung gemäß einem der Ansprüche 1 bis 22, welche dadurch gekennzeichnet ist, dass das Mittel zur Kompensation eine Feder (310) ist, welche in einen Feder-Kasten (400) aufgenommen ist, welcher innerhalb der Welle (303) zwischen dieser und einer feststehenden Achse (304) angeordnet ist, wobei der Feder-Kasten ebenfalls die Sperrklinke (306), die Mittel zum Bremsen (320) und die Mittel zur Detektion (308, 309, 330) aufweist.
  26. Mechanismus (1; 101; 201; 301) zum Betätigen einer Schließ- oder Sonnenschutzeinrichtung, welche eine Sicherheitsvorrichtung (5-97; 105-194; 205-278; 305-401) gemäß einem der vorhergehenden Ansprüche aufweist.
EP03727616.9A 2002-03-28 2003-03-27 Sicherheitseinrichtung und betätigungsvorrichtung einer schliess- oder sonnenschutzeinrichtung mit einer solchen einrichtung Expired - Lifetime EP1488070B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0203942A FR2837866B1 (fr) 2002-03-28 2002-03-28 Dispositif de securite et mecanisme de manoeuvre d'une installation de fermeture ou de protection solaire incorporant un tel dispositif
FR0203942 2002-03-28
PCT/FR2003/000971 WO2003083246A1 (fr) 2002-03-28 2003-03-27 Dispositif de securite et mecanisme de manoeuvre d'une installation de fermeture ou de protection solaire incorporant un tel dispositif

Publications (2)

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EP1488070A1 EP1488070A1 (de) 2004-12-22
EP1488070B1 true EP1488070B1 (de) 2014-04-30

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EP03727616.9A Expired - Lifetime EP1488070B1 (de) 2002-03-28 2003-03-27 Sicherheitseinrichtung und betätigungsvorrichtung einer schliess- oder sonnenschutzeinrichtung mit einer solchen einrichtung

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US (1) US7600553B2 (de)
EP (1) EP1488070B1 (de)
JP (1) JP4549065B2 (de)
AU (1) AU2003233854A1 (de)
FR (1) FR2837866B1 (de)
WO (1) WO2003083246A1 (de)

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FR2837865B1 (fr) 2002-03-28 2005-07-29 Simu Mecanisme de manoeuvre et installation de fermeture ou de protection solaire incorporant un tel dispositif
EP1426538B1 (de) * 2002-11-29 2011-05-18 Hörmann KG Antriebstechnik Wellentorantriebsvorrichtung, und damit versehenes Tor
US7428918B2 (en) * 2005-04-19 2008-09-30 Martin Door Manufacturing, Inc. Controlled descent device
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DE102009007634B4 (de) 2008-03-12 2017-04-27 Hörmann KG Antriebstechnik Torantriebsvorrichtung, insbesondere Direktantrieb
CA2948904C (en) * 2008-08-26 2019-09-10 Hunter Douglas Inc. Roll-up retractable covering for architectural openings
FR2948724B1 (fr) * 2009-07-30 2017-10-27 Maviflex Dispositif de transmission antichute pour porte de manutention a rideau souple
US20120137585A1 (en) * 2010-12-03 2012-06-07 The Chamberlain Group, Inc. Rolling Door Ballooning Monitor Apparatus and Method
TW201443330A (zh) * 2013-05-15 2014-11-16 zhong-xian Xie 手動門機用拉鏈盤鎖止機構
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IT202100030353A1 (it) * 2021-11-30 2023-05-30 Elsamec Srl Dispositivo di arresto ammortizzato per serrande avvolgibili.

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US7600553B2 (en) 2009-10-13
JP4549065B2 (ja) 2010-09-22
US20050109473A1 (en) 2005-05-26
FR2837866A1 (fr) 2003-10-03
EP1488070A1 (de) 2004-12-22
WO2003083246A1 (fr) 2003-10-09
JP2005521817A (ja) 2005-07-21
AU2003233854A1 (en) 2003-10-13
FR2837866B1 (fr) 2005-09-23

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