EP1331354A1 - Rolladen mit Gurtbetätigung und Vorrichting gegen das Hochschieben - Google Patents

Rolladen mit Gurtbetätigung und Vorrichting gegen das Hochschieben Download PDF

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Publication number
EP1331354A1
EP1331354A1 EP03352002A EP03352002A EP1331354A1 EP 1331354 A1 EP1331354 A1 EP 1331354A1 EP 03352002 A EP03352002 A EP 03352002A EP 03352002 A EP03352002 A EP 03352002A EP 1331354 A1 EP1331354 A1 EP 1331354A1
Authority
EP
European Patent Office
Prior art keywords
strap
pawl
winding shaft
point
apron
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.)
Withdrawn
Application number
EP03352002A
Other languages
English (en)
French (fr)
Inventor
Michel Albignac
Jean-Michel Dambielle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Moulages Plastiques du Midi MPM SAS
Original Assignee
Moulages Plastiques du Midi MPM SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moulages Plastiques du Midi MPM SAS filed Critical Moulages Plastiques du Midi MPM SAS
Publication of EP1331354A1 publication Critical patent/EP1331354A1/de
Withdrawn legal-status Critical Current

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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
    • E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
    • 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
    • E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
    • E06B2009/785—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles by belts, straps, bands, tapes, cords, tassels

Definitions

  • the present invention relates to roller shutters with strap operation which are suitable for being combined with building openings or the like comprising a vertical component allowing gravity to act on the roller shutter in order to train it in lowered position.
  • roller shutters do not normally have anti-lift means, and when the roller shutter is lowered, a malicious person can raise the curtain by acting directly on it and raising it by lifting, notably from the final blade.
  • Such a rolling shutter essentially comprises: an apron with articulated blades capable of winding and unwinding, a winding shaft defined according to a first axis, means for binding the primary blade of the deck, ie the blade upper part of the apron when it is unrolled, with the winding shaft, for example fasteners or the like, and means for rotating the shaft strap roller to place the apron between two positions, a lowered position to close the opening and a raised position to leave this opening free.
  • the course of the apron in the opening is effected by gravity when the operator acts on the strap to release the apron.
  • the means for rotating the winding shaft have a pulley or the like integral with the winding shaft, a strap mounted in cooperation with the pulley so that, by a first pulling force exerted on the strap, the pulley is rotated in a first direction to tend to do move the apron from its lowered position to its raised position and that, by a second force traction on the strap opposite the first, the pulley is able to be released in rotation in the opposite direction to the first to tend to pass the apron from its raised position to its gravity lowered position.
  • Such anti-lifting means are already known. They are for example constituted by hooks or latches mounted in cooperation with a blade, for example the most away from the winding shaft when the deck is in its lowered position or blade final, and accessible from the side of the flap which faces the interior of the building which includes such a rolling shutter, or on the side of the shutter which faces outwards from the building and in this case the means to block the deck are generally locks with lock, these hooks or latches coming, by manual action, to be hooked in notches or other suitable housings made in the uprights of the opening.
  • a blade for example the most away from the winding shaft when the deck is in its lowered position or blade final
  • the means to block the deck are generally locks with lock, these hooks or latches coming, by manual action, to be hooked in notches or other suitable housings made in the uprights of the opening.
  • anti-lift device which have been developed by the Applicant, in the specific cases of a shutter order rolling by winch or motor, which are described in particular in the documents FR2789436, FR2789437.
  • anti-lift devices include connecting rods or analogs which are mounted in cooperation with the primary blade, these connecting rods coming, when the apron is fully unwound in the opening, either in the lowered position, automatically block by bracing or the like, thereby achieving a rigid connection between the winding shaft and the roller shutter in the lowered position combination with the irreversible transmission of the rotational movement between the winch or the motor and the winding shaft.
  • roller shutter is thus locked automatically when it is lowered and arrives at the end of the process, by the fact that the order specific by winch or motor ensures irreversibility of the shaft movement winding, and therefore prevents this shaft from rotating when directly stressing the shutter.
  • Such devices are not functional with an operating mechanism by roller shutter strap, for which the rotation of the winding shaft is free in both ways.
  • Documents DE 72 42 333 and WO 85 02439 show anti-lift devices of the apron, operational with an operating mechanism using a flap strap rolling.
  • These devices include a toothed wheel secured to the winding axis of the apron, on which a pawl engages when you release the strap operation of the shutter, thus preventing any reverse rotation of the winding axis, and therefore any rise in the deck.
  • this pawl is actuated by the strap which acts at a specific point on it placed at its free end opposite to that engaged on the toothed wheel.
  • Such devices do not not working optimally because the pawl is difficult to maneuver with the strap.
  • the mode of action of the strap on the ratchet as defined above allows to obtain greater efficiency in the control of the means for blocking and unlock the apron.
  • the roller shutter according to the invention comprises further at least a fourth point located on said pawl beyond its first end, the strap part between the two first and second sliding points on this fourth point so that the ratchet wheel and this fourth point are located on the same side with respect to this part of the strap.
  • An additional action point on the ratchet, as defined above provides advantageously a synergy of effort allowing easier maneuvering of the pawl.
  • the object of the invention comprises "at least one" element having a given function
  • the mode of embodiment described may include several of these elements.
  • the present invention relates to a rolling type shutter with anti-lift device security capable of being associated with an opening of a building of any kind whatever, having a vertical component.
  • the roller shutter comprises, with reference to Figures 1 to 5, an apron 1 with blades articulated capable of winding and unwinding, of the type with rigid blades pivotally mounted the relative to each other, a winding shaft 2 defined along a first axis 3 and provided with lateral flanges 51 to ensure correct guiding of the winding of the deck around the winding shaft, means 4 for binding the primary blade 5 of the deck 1 with winding shaft 2, i.e. the highest blade of the deck or first blade starting from the winding shaft, and means 6 for rotating the shaft winding 2 to unwind and wind the apron between two positions, one position lowered to close the opening and a raised position to leave the opening free.
  • These drive means 6 comprise, as illustrated, a pulley 7 or analogous to the winding shaft 2, that is to say rigidly fixed to the latter, a strap 8 mounted in cooperation with the pulley 7 so that, by a first force of traction exerted on the strap, the pulley is rotated in a first direction according to arrow S, Figure 1, to tend to pass the deck 1 from its lowered position to its raised position and that, by a second tensile force or the like opposite to the first exerted on this strap, the pulley is released and can turn in the direction according to arrow D, Figure 1, opposite to the first direction to tend to pass the apron from its raised position to its lowered gravity position.
  • the strap 8 has a first end 40 connected in a known manner to a spring box located so ergonomic in general in an area between the middle and the bottom of the opening, the other end 41 of the strap 8 being fixed to the pulley 7 so that the strap wraps around this pulley when the apron passes from its raised position to its lowered position, under the action of its weight when the strap is relieved by its end 40 against the effect of the spring of the spring box 42.
  • the second force of traction therefore has the effect of canceling the tension exerted on the strap by the spring box in which is attached the end 40 of the strap, to release from the strap of the box spring, and thus free the pulley in the direction of the unwinding of the deck in the opening.
  • the deck 1 is guided in its movements by these edges lateral in appropriate slides 52 placed in the opening of the building or analog in which the roller shutter is installed.
  • the flap further comprises means 9 for locking the apron 1 in the position lowered and thus to prevent it, by direct action on it, from bringing it back to its position identified.
  • these means 9 comprise, in the two illustrated embodiments, an assembly 20 comprising a ratchet wheel 21 comprising teeth 22 cut in a bevel and a pawl 23 defined between two first 24 and second 25 ends, this assembly being mounted in cooperation with the shaft winding 2 so that the ratchet wheel 21 is secured to the winding shaft 2 and that the pawl 23 is mounted, by its first end 24, in rotation around a second axis 26 parallel to first axis 3, by means of a "rotation shaft-bearing” assembly so that this pawl is able to take two positions, a meshed position shown in solid lines in Figure 1, in which its second end 25 is meshed in the teeth 22 of the ratchet wheel, preventing the ratchet wheel 21 from rotate in the direction allowing the winding shaft to rotate in the first direction S to raise the apron, i.e.
  • the elastic spring means 27 can be constituted by a spring tension like that shown schematically in Figure 1, or by a spring flexible blade 27 like the one schematically illustrated in FIG. 2, but it can also be made by a spring wound in a spiral and interposed in a manner known per se between the pawl rotation shaft and the pawl or its bearing.
  • These means 9 also comprise, according to the embodiments shown, and by any known means, in particular as shown in FIGS. 5a-c of the means connecting rod 53 establishing an articulated connection between each of the two lateral ends of the primary blade 5 and the winding shaft 2 preferably via its lateral flanges 51, so that the two connecting rods 53 come to prevent, when the apron is completely lowered in the opening as shown in Figure Sa, any relative movement between the deck 1 and the winding shaft 2, this immobilization being for example obtained in position lowered of the deck by bracing or the like of the connecting rods 53 between its own ends, the trunk 50 and the winding shaft 2, as shown in Figure Sa.
  • the connecting rods-primary blade being a connection with a degree of freedom in rotation, the deck is immobilized relative to the winding shaft.
  • the operation of the connecting rods 53 is the following: in FIG. 5a, the connecting rod automatically adopts this position at the end of unwinding of deck 1, and, in combination with the ratchet-wheel device 21, 23 described above, makes it possible to lock the apron in the lowered position, the immobility of the deck 1 relative to the trunk 50 being obtained via the connecting rod elements 53, shaft winding 2, ratchet wheel 21, pawl 23.
  • the winding shaft exerts traction on the flexible fasteners 4 which wrap around the tree, as shown in Figure 5b, driving the deck 1 and the connecting rods 53 which slide in circular slides 54 produced in the flanges 51 so as not to impede the movement of winding the apron around the shaft, the connecting rods 53 being pivotally mounted on the primary blade of the deck; when the primary blade contacts the winding shaft, as shown in the Figure 5c, the rods 53 adopt their respective rest position relative to the flanges 51, stop moving in the circular slides 54, and the apron wraps around the tree when the winding is continued.
  • the means 29 for unlocking the apron to allow it to pass from one lowered position to a raised position comprise means 30 for transforming the first tensile force applied to the strap in a rotational driving force applied to the ratchet to tend to move it from its geared position to its position disengaged.
  • the means 30 for transforming the first tensile force applied to the strap 8 in a rotational driving force applied to the pawl 23 to tend to the move from its engaged position to its disengaged position have means 31 to guide the strap 8 in its movement between two first 32 and second 33 points not confused, these two points being located substantially on either side of the assembly 20, and sliding guide means 34 on a third point 35 on the Figure 1, or a third 35 and a fourth point 60 in Figure 2, defined (s) on the ratchet 23, of the strap part 36 between the first and second points 32, 33, this third point 35 being located outside the straight line 37 passing through the two first and second points 32, 33, Figures 1 and 3, the strap portion 36 between the two first and second points being arranged to slide on the third point.
  • the means 31 for guiding the strap 8 in its movement between two first 32 and second 33 points are for example constituted by the fact that these two points 32 and 33 correspond respectively to the point of the pulley where the strap comes off, which is therefore essentially a fixed point in the space where installed the roller shutter, and at the point from which users maneuver the strap, which is always substantially located vertically above the pulley and can therefore be considered as substantially fixed in this same space.
  • Figures 1 and 3 show the first embodiment of a roller shutter comprising an anti-lift device according to the invention.
  • the third point 35 is located between the two first and second ends 24, 25 of the pawl 23, the strap part 36 between the two first and second points 32, 33 sliding on this third point 35 passing between the ratchet wheel 21 and this third point 35.
  • Figure 2 shows the second embodiment of a roller shutter comprising an anti-lift device according to the invention.
  • the third point is located as described previously with the example in Figure 1, and the fourth point 60 which is added to the third point 35 is located on the pawl 23 beyond its first end 24, the strap portion 36 between the first two and the second points 32, 33 sliding on this fourth point 60 so that the ratchet wheel 21 and this fourth point 60 are located on the same side with respect to this part of strap 3.
  • FIG. 4 only the decomposition of forces due to this fourth point 60, that relating to the third point to be added and being shown in Figure 3.
  • the relative position between the third 35 and fourth 60 points will be such that the separate actions of the strap on each of the points, such as described above, can be added in accordance with Figures 3 and 4.
  • the second point 33 defined in the case of the example of FIG. 1 should be assimilated or identified in the fourth point 60 in the case of the example in the figure 2, the second point 33 actually referenced in FIG. 2 relating to the configuration of this figure relating to the fourth point 60.
  • the first tensile force which has been defined before, is usually given by the users themselves when they grab the strap and that they pull it to tend to move the end 40 of the latter away from the pulley 7.
  • the second opposite tensile force it can be given by the users who pull on the accessible part of the strap but in the opposite direction to tighten away from the end 40 of the strap of the spring box and allow the descent of the flap by gravity, the free part of the strap 8 released from the spring box then coming wind on the pulley 7 as the apron descends from the value of the length of the released strap.
  • the strap is in fact made up of a band, one end of which, in this case the end 40, is connected to a spring box as explained above, known in itself, and of which the other end 41 is fixed to the pulley 7 so that the strap is wrapped around this pulley when the apron moves from its raised position to its lowered position, under the action of its weight when the strap is relieved by its end 40 against the effect of the spring from the spring box 42.
  • the spring from the spring box 42 is banded and the strap wraps around the pulley 7.
  • the apron passes from its lowered position to its raised position, the strap unwinds from the pulley 7 and is wound in the spring box under the action of the banded spring which returns to its original state.
  • the third sliding point 35 or 60 can be advantageously constituted, as illustrated in the figures, by a roller mounted to rotate idly or the like on which the strap rests.
  • the flap comprises a box 50, the winding shaft 2 and the pawl 23 being pivotally mounted relative to the trunk 50 or the like which is itself fixed on the walls in which the openings are made.
  • the pawl 23 is advantageously limited in its movement aimed at the disengage the ratchet wheel 21 by a suitable stop 38 fixed to the shutter box rolling, as shown in figure 1.
  • roller shutter described above and illustrated in Figures 1 and 3, operates from the as follows:
  • the strap part 36 is not bandaged and the pawl 23 is in its meshed position, its end 25 abuts against a steep blank of a toothing 22, position shown in solid lines in FIG. 1.

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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)
EP03352002A 2002-01-29 2003-01-28 Rolladen mit Gurtbetätigung und Vorrichting gegen das Hochschieben Withdrawn EP1331354A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0201031A FR2835277B1 (fr) 2002-01-29 2002-01-29 Volet roulant a manoeuvre par sangle avec dispositif anti-relevage
FR0201031 2002-01-29

Publications (1)

Publication Number Publication Date
EP1331354A1 true EP1331354A1 (de) 2003-07-30

Family

ID=8871424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03352002A Withdrawn EP1331354A1 (de) 2002-01-29 2003-01-28 Rolladen mit Gurtbetätigung und Vorrichting gegen das Hochschieben

Country Status (2)

Country Link
EP (1) EP1331354A1 (de)
FR (1) FR2835277B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6953074B2 (en) * 2000-10-17 2005-10-11 Mike Cardinal Antibandit shutter
FR2887580A1 (fr) * 2005-06-24 2006-12-29 Raymond Mitjavila Dispositif pour le blocage de l'ouverture des stores
CN102767329A (zh) * 2012-07-23 2012-11-07 李七妹 一种窗帘用单拉绳驱动装置
CN107061651A (zh) * 2017-05-10 2017-08-18 宁波先锋新材料股份有限公司 一种拉珠式窗帘驱动器
US10443302B2 (en) * 2016-07-06 2019-10-15 Teh Yor Co., Ltd. Window shade
CN113100807A (zh) * 2021-03-29 2021-07-13 华中科技大学同济医学院附属协和医院 一种血管造影装置和方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1977979U (de) * 1967-04-19 1968-02-01 Erich Jachmann Sicherung fuer rollaeden.
DE7242333U (de) * 1973-03-15 Gebr Eizenhoefer Ohg Vorrichtung zur Sicherung eines Rolladens gegen unbefugtes Hochschieben von außen
WO1985002439A1 (en) * 1983-11-22 1985-06-06 Wissmann, Jean Device for locking a blind controlled by means of an actuation belt
JPH08121061A (ja) * 1994-10-20 1996-05-14 Jiyatsuku:Kk 手動式シャッタにおける操作ロープのロック機構

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2789436B1 (fr) 1999-02-05 2001-04-13 Midi Moulages Plast Dispositif anti-relevage de securite de volet roulant
FR2789437B1 (fr) 1999-02-05 2001-06-08 Midi Moulages Plast Dispositif anti-relevage de securite de volet roulant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7242333U (de) * 1973-03-15 Gebr Eizenhoefer Ohg Vorrichtung zur Sicherung eines Rolladens gegen unbefugtes Hochschieben von außen
DE1977979U (de) * 1967-04-19 1968-02-01 Erich Jachmann Sicherung fuer rollaeden.
WO1985002439A1 (en) * 1983-11-22 1985-06-06 Wissmann, Jean Device for locking a blind controlled by means of an actuation belt
JPH08121061A (ja) * 1994-10-20 1996-05-14 Jiyatsuku:Kk 手動式シャッタにおける操作ロープのロック機構

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 09 30 September 1996 (1996-09-30) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6953074B2 (en) * 2000-10-17 2005-10-11 Mike Cardinal Antibandit shutter
FR2887580A1 (fr) * 2005-06-24 2006-12-29 Raymond Mitjavila Dispositif pour le blocage de l'ouverture des stores
CN102767329A (zh) * 2012-07-23 2012-11-07 李七妹 一种窗帘用单拉绳驱动装置
US10443302B2 (en) * 2016-07-06 2019-10-15 Teh Yor Co., Ltd. Window shade
CN107061651A (zh) * 2017-05-10 2017-08-18 宁波先锋新材料股份有限公司 一种拉珠式窗帘驱动器
CN107061651B (zh) * 2017-05-10 2023-10-03 宁波先锋新材料股份有限公司 一种拉珠式窗帘驱动器
CN113100807A (zh) * 2021-03-29 2021-07-13 华中科技大学同济医学院附属协和医院 一种血管造影装置和方法

Also Published As

Publication number Publication date
FR2835277B1 (fr) 2005-02-18
FR2835277A1 (fr) 2003-08-01

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