EP0889193A1 - Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens - Google Patents

Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens Download PDF

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Publication number
EP0889193A1
EP0889193A1 EP98401644A EP98401644A EP0889193A1 EP 0889193 A1 EP0889193 A1 EP 0889193A1 EP 98401644 A EP98401644 A EP 98401644A EP 98401644 A EP98401644 A EP 98401644A EP 0889193 A1 EP0889193 A1 EP 0889193A1
Authority
EP
European Patent Office
Prior art keywords
cord
pulley
winch
ring
winch according
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.)
Granted
Application number
EP98401644A
Other languages
English (en)
French (fr)
Other versions
EP0889193B1 (de
Inventor
Alain Jeunot
Thierry Steinbauer
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.)
Zurfluh Feller SAS
Original Assignee
Zurfluh Feller 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 Zurfluh Feller SAS filed Critical Zurfluh Feller SAS
Publication of EP0889193A1 publication Critical patent/EP0889193A1/de
Application granted granted Critical
Publication of EP0889193B1 publication Critical patent/EP0889193B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B9/90—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions
    • E06B2009/905—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions using wrap spring clutches

Definitions

  • the present invention relates to a device allowing the operation of the apron door shaft of a roller shutter. It relates more particularly to a system cord winch fitted with a brake on the shaft door apron, a declutching or clutching means active when there is too much torque on the control unit, a limit switch system which acts on the winch when the apron is in position low.
  • cord winch systems having a coupling system between the driving part (winch) and the receiving part (support shaft of the apron of the roller shutter) with ratchets.
  • the wheel system free installed between the winch and the shaft allows to drive the tree in the upward direction, but not downhill. It is the weight of the apron which forces the tree to rotate in the direction of descent.
  • the operator operates a cord, in the direction of lowering, to release a spring positioned in a Bell.
  • the lowering of the flap is only braked by the presence of a brake, placed in a position very withdrawal of the winch part, which increases considerably the overall size.
  • these devices do not include a limit switch, which thanks to mechanical stops, allows to limit the lower stroke of the apron.
  • a limit switch which thanks to mechanical stops, allows to limit the lower stroke of the apron.
  • this is caused by the absence of a freewheel on the tree, which allows the low point to apply a torque in the direction of descent on the tree and so to push on the apron behind the scenes, thanks to the automatic locking system.
  • corded winches equipped both a clutch and disengage system, a limit switch and braking system integrated.
  • these winches have the major drawback of have a brake system whose intensity and endurance are very limited in time considering mainly that braking is provided by a single spring.
  • the clutch / declutch function has the disadvantage to use a mobile pulley system in rotation on a conical bearing, the sliding being caused by a stressing of elastic parts, the reproducibility of the setting is not constant in the time.
  • the present invention therefore aims to overcome these disadvantages of offering a cord winch with a declutching mechanism active in both directions of rotation, which combines both a limit switch system and braking very integrated into the winch mechanism, for a better compactness of the whole.
  • the cord winch comprising a housing receiving a reducing organ between the winch part and the integral with the shaft of the roller shutter deck, the gear train forming the reducing member being fitted with a limit switch system
  • the housing includes a pulley actuated in rotation by a cord, and integral with the reducer by a input shaft coaxial with said pulley, said shaft of entry being surrounded by a lining conforming with the latter a clutch / declutch system, the assembly being trapped inside said pulley, this last and the reducer cooperating with the part secured to the apron shaft, via a anti-reverse braking system comprising at least two elastically deformable members, mounted in tandem.
  • the cord winch according to the invention essentially comprises a casing 1 forming the actual case of the latter.
  • This one comprises two concentric cavities 2, 3; the first 3 has sufficient internal diameter and depth to allow the passage of a movable part 4, forming pulley, around which the cord 5 circulates, reducer 6 and of the clutch and disengage system 7, the other cavity 2 receives the system of braking 8 and protrudes from the first 2 and has a substantially cylindrical shape so that cooperate with the winding tube 9 of the shutter deck rolling.
  • the ring 15 includes a plurality of recesses 23, noticeably oblong, judiciously spaced on its slice, and which under the effect of a certain torque threshold elastically deforms.
  • the ring 15 has a coaxial orifice 24 relative to the orifices 19 of the input half-wheels 10, 14 and whose side walls have a profile epicyclic.
  • the other declutching / clutching member is constituted by an input shaft 25.
  • This input shaft 25 has on one of its front faces 26 of a connection means produced in particular in the form of a fluted part or tooth which cooperates on a planetary level 27 belonging to an epicyclic train forming the reducer 6, the other front face 28 has a shoulder 29 whose dimensions correspond to the diameter of the central orifice 19 of one of the input half-wheels 10 or 14.
  • the outer wall 30 of the input shaft 25 is provided a succession of bosses 31 whose profile is similar to those practiced in the center of the ring elastomer 15, its profiles cooperating with each other so as to ensure the transmission of the torque whatever its meaning.
  • the operation of the clutch / disengage member is the following :
  • the cavities 23 present in the thickness of the ring 15 in elastomer retain their geometry and do not not distort.
  • the ring 15 does not shear between its side wall 21 which is fixed in the recess 16 used in the two input half-wheels 10 and 14 and its internal side wall which cooperates at the level of the shaft input 25.
  • the rotational movement imparted by the cord 5 is transmitted to the input shaft 25 then, by through the reducer 6, to the winding tube 9 of the roller shutter deck.
  • the cavities 23 deform under the action of the couple and induce a shear between the lateral face 21 of the ring 15 which is fixed and that 30 which is located the interface with the input shaft 25.
  • the profile epicyclic of these faces in contact under the presence of these shear forces, causes a slip relative in rotation between the input shaft 25 and the ring 15 in elastomer.
  • the movement printed on the winch is therefore, during the entire phase of sliding between the elastomer ring and input shaft, removed up to what the respective side faces cooperate with new as soon as the intensity torque is removed abnormal.
  • the system clutch / declutching clips these torque values too much important, detrimental to the mechanical strength of the device and of the entire roller shutter, and stabilizes around of an average value.
  • Pulley 4 formed by the assembly of two half-wheels Input 10-14 trapping input shaft 25 and the elastomer ring 15, is positioned inside the large housing cavity having taken take care to couple the sun gear 27 input shaft 25 and satellites 32, 33, 34, number three and at 120 °, which are held in position via a planet carrier 35 which is connected in turn through a brake system 8, which will described below, at the winding axis 9 of the drum of the roller shutter deck.
  • the casing 1 has two notches 36, 37 placed right through a median axis, allowing the passage of the winch cord 5.
  • the main cavity 2 of the casing 1 has at the bottom and on its side wall internal, of a crown 38 with straight teeth on which meshes satellites 32, 33, 34.
  • this brake 8 of irreversibility consists of a device 39 elastically deformable depending on the type of stresses, generally torsion, applied to either end.
  • the braking torque is proportional to the diameter and in order to increase the braking intensity, while ensuring the longevity of the brake system 8, at least two spiral springs are used, mounted in tandem, whose direction of the helix of these springs is such that if the terminal strands become integral with the training dogs, cooperating respectively at the level of the end of the shaft linked to the winding axis 9 of the roller shutter curtain and at the level of the planet carrier 35, thanks to an entry knock, which is connected to the half-wheels input, so that the number of turns of these springs tend to increase, this will tend to decrease the outside diameter of these springs.
  • the planetary reduction gearbox includes an end of stroke in the lower position of the bulkhead.
  • we develops an epicyclic train whose gears forming satellites 32, 33, 34 and planetary 27 have a number of prime teeth between them. If we consider a tooth on each gear with this property, the kinematics of these gears determines a single point of crossing for the two teeth considered, this crossing repeating according to a period of n turns (n integer). he therefore suffices to determine by an adequate choice of number of teeth of the various gears belonging to the train epicyclic, a reduction coefficient between the tree linked to the winch and the shaft secured to the shutter deck rolling, this coefficient also determining the number rotations of the receiving shaft necessary for movement of the race of said apron.
  • the object winch of the invention has a system clutch / disengage, a limit switch system, a brake system and a reduction system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Operated Clutches (AREA)
EP19980401644 1997-07-02 1998-07-01 Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens Expired - Lifetime EP0889193B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9708350 1997-07-02
FR9708350A FR2765618B1 (fr) 1997-07-02 1997-07-02 Treuil a cordon comportant un organe d'embrayage/debrayage destine a manoeuvrer l'arbre porte-tablier d'un volet roulant

Publications (2)

Publication Number Publication Date
EP0889193A1 true EP0889193A1 (de) 1999-01-07
EP0889193B1 EP0889193B1 (de) 2003-05-21

Family

ID=9508746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980401644 Expired - Lifetime EP0889193B1 (de) 1997-07-02 1998-07-01 Seilwinde mit Kupplungs- und Entkupplungsvorrichtung für den Antrieb einer Rolltüre oder eines Rolladens

Country Status (5)

Country Link
EP (1) EP0889193B1 (de)
DE (2) DE889193T1 (de)
ES (1) ES2127174T3 (de)
FR (1) FR2765618B1 (de)
PT (1) PT889193E (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2811013A1 (fr) * 2000-07-03 2002-01-04 Bubendorff Volet Roulant Dispositif d'entrainement de type manuel pour volet roulant
US6474393B1 (en) 1999-07-14 2002-11-05 Hunter Douglas Industries Bv Drive mechanism and head rail for a blind
EP1409828A2 (de) * 2002-03-20 2004-04-21 Rollease, Inc. Kupplung mit innenliegendem getriebe für einen rollvorhang
US6854503B2 (en) * 2002-03-20 2005-02-15 Rollease, Inc. Semi-cordless unbalanced spring driven blind system and methods for adjusting and making same
EP1637693A1 (de) * 2004-09-21 2006-03-22 BUBENDORFF Société Anonyme Vorrichtung zum Antrieb einer Wickelwelle eines Rolladens
GB2418449A (en) * 2004-09-27 2006-03-29 Louver Lite Ltd Control unit for window blind including intermediate gearing
EP1854954A2 (de) * 2002-03-20 2007-11-14 Rollease, Inc. Rouleaukupplung mit internem Getriebe
EP2807322A4 (de) * 2012-01-24 2015-11-25 Rollease Inc Vorrichtung zur bedienung eines fensterelements mit einem zykloidantrieb
US20180044981A1 (en) * 2016-02-04 2018-02-15 Haifeng Wang Curtain controller
GB2562878A (en) * 2017-04-10 2018-11-28 Mechoshade Sys Llc Geared bracket for a window shade
CN113833396A (zh) * 2021-01-28 2021-12-24 型态同步科技股份有限公司 升降控制模块及卷帘升降装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2816016B1 (fr) 2000-10-27 2003-02-07 Zurfluh Feller Dispositif limiteur de couple
US10407983B2 (en) 2016-10-26 2019-09-10 Hunter Douglas Inc. Operating system for an architectural covering

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620808A1 (de) * 1976-05-11 1977-11-17 Selve Fa Ernst Vorrichtung zur betaetigung von rollaeden
EP0692605A1 (de) * 1994-07-11 1996-01-17 Zurfluh Feller S.A. Entkuppelbare Seilwinde

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620808A1 (de) * 1976-05-11 1977-11-17 Selve Fa Ernst Vorrichtung zur betaetigung von rollaeden
EP0692605A1 (de) * 1994-07-11 1996-01-17 Zurfluh Feller S.A. Entkuppelbare Seilwinde

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6474393B1 (en) 1999-07-14 2002-11-05 Hunter Douglas Industries Bv Drive mechanism and head rail for a blind
US6637492B2 (en) 1999-07-14 2003-10-28 Hunter Douglas Industries B.V. Drive mechanism and head rail for a blind
FR2811013A1 (fr) * 2000-07-03 2002-01-04 Bubendorff Volet Roulant Dispositif d'entrainement de type manuel pour volet roulant
EP1170459A1 (de) * 2000-07-03 2002-01-09 Bubendorff Volet Roulant Société Anonyme Handantrieb für Rollladen
EP1854954A2 (de) * 2002-03-20 2007-11-14 Rollease, Inc. Rouleaukupplung mit internem Getriebe
EP1409828A4 (de) * 2002-03-20 2004-12-15 Rollease Inc Kupplung mit innenliegendem getriebe für einen rollvorhang
US6854503B2 (en) * 2002-03-20 2005-02-15 Rollease, Inc. Semi-cordless unbalanced spring driven blind system and methods for adjusting and making same
EP1409828A2 (de) * 2002-03-20 2004-04-21 Rollease, Inc. Kupplung mit innenliegendem getriebe für einen rollvorhang
EP1854954A3 (de) * 2002-03-20 2008-03-26 Rollease, Inc. Rouleaukupplung mit internem Getriebe
EP1717399A3 (de) * 2002-03-20 2008-04-09 Rollease, Inc. Kupplung mit innenliegendem Getriebe für einen Rollvorhang
EP1637693A1 (de) * 2004-09-21 2006-03-22 BUBENDORFF Société Anonyme Vorrichtung zum Antrieb einer Wickelwelle eines Rolladens
FR2875531A1 (fr) * 2004-09-21 2006-03-24 Bubendorff Sa Dispositif d'entrainement pour tablier de volet roulant.
GB2418449A (en) * 2004-09-27 2006-03-29 Louver Lite Ltd Control unit for window blind including intermediate gearing
EP2807322A4 (de) * 2012-01-24 2015-11-25 Rollease Inc Vorrichtung zur bedienung eines fensterelements mit einem zykloidantrieb
US20180044981A1 (en) * 2016-02-04 2018-02-15 Haifeng Wang Curtain controller
GB2562878A (en) * 2017-04-10 2018-11-28 Mechoshade Sys Llc Geared bracket for a window shade
US10337243B2 (en) 2017-04-10 2019-07-02 Mechoshade Systems, Llc Geared bracket for a window shade
GB2562878B (en) * 2017-04-10 2019-08-14 Mechoshade Sys Llc Geared bracket for a window shade
GB2573894A (en) * 2017-04-10 2019-11-20 Mechoshade Sys Llc Geared bracket for a window shade
GB2573894B (en) * 2017-04-10 2020-06-24 Mechoshade Sys Llc Geared bracket for a window shade
US10808457B2 (en) 2017-04-10 2020-10-20 Mechoshade Systems, Llc Planetary gear with bead stop
US11230885B2 (en) 2017-04-10 2022-01-25 Mechoshade Systems, Llc Geared window shade bracket with bead stop
CN113833396A (zh) * 2021-01-28 2021-12-24 型态同步科技股份有限公司 升降控制模块及卷帘升降装置

Also Published As

Publication number Publication date
PT889193E (pt) 2003-10-31
ES2127174T1 (es) 1999-04-16
ES2127174T3 (es) 2003-12-01
DE69814744D1 (de) 2003-06-26
DE889193T1 (de) 1999-06-10
DE69814744T2 (de) 2003-11-20
EP0889193B1 (de) 2003-05-21
FR2765618B1 (fr) 1999-08-27
FR2765618A1 (fr) 1999-01-08

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