EP0899414B1 - Seilwinde mit versetztem Antrieb - Google Patents

Seilwinde mit versetztem Antrieb Download PDF

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Publication number
EP0899414B1
EP0899414B1 EP19980402046 EP98402046A EP0899414B1 EP 0899414 B1 EP0899414 B1 EP 0899414B1 EP 19980402046 EP19980402046 EP 19980402046 EP 98402046 A EP98402046 A EP 98402046A EP 0899414 B1 EP0899414 B1 EP 0899414B1
Authority
EP
European Patent Office
Prior art keywords
pulley
ring
cord
orifice
roller shutter
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
Application number
EP19980402046
Other languages
English (en)
French (fr)
Other versions
EP0899414A1 (de
Inventor
Jean-Marie Allemand
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
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Filing date
Publication date
Application filed by Zurfluh Feller SAS filed Critical Zurfluh Feller SAS
Publication of EP0899414A1 publication Critical patent/EP0899414A1/de
Application granted granted Critical
Publication of EP0899414B1 publication Critical patent/EP0899414B1/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-carrying shaft of a roller shutter. It relates more particularly to a system cord winch fitted with a brake on the shaft apron holder, 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 low position, and which also has the characteristic of offering an offset maneuver for bring the cord control mechanism out of the reduced width zone which is generally located in end of the shaft of the roller shutter deck.
  • the present invention aims to reduce the size of the complete winch device with clutch and declutching, by proposing an operating cord winch offset that can be used in an application particular to the assembly of roller shutter box for the rehabilitation of bay windows. Indeed, in this type application, we keep the old frame on which we comes to bring a new frame which covers the previous. There is therefore little space between the new and the former sleeping right behind the scenes. The space remained free is simply filled by one of the gables of the reducer, which therefore requires shifting to the side of the housing the other mechanisms, including the organ clutch and disengage.
  • the cable winch with offset control, object of the invention comprising, within a cheek cavity for rolling shutter, pulley on which runs a cord, a clutch and clutch having the function of torque limiter and a member reducer, between the pulley and a winding axis of the roller shutter deck, a non-return device preventing the weight of the deck and rotate the body operation without operator action on the cord, a non-return brake system, characterized in that it has two material reserves within the cheek serving as bearings for, on the one hand, the axis of rotation of the pulley, and on the other hand, the axis of rotation of the shaft for rolling up the roller shutter, the axes being offset in two separate horizontal planes and in two planes separate verticals, and in that the clutch member and clutch release, on the one hand, a foam lining elastomer which is shaped into a ring whose face lateral is in contact with an orifice made in the pulley, this ring being provided with a plurality rece
  • Figure 1 there is shown at 1 the axis of the deck of the rolling shutter, in 2 the axis of the cord winch, in 3 the new frame, in 4 the old frame, in 5 the backstage, in 6 the pulley of the cord winch, in 7 'the space available between the two frames, the part drawn in dotted line delimiting the device, object of the invention.
  • this first includes a cheek 7 obtained in particular by an injection technology of plastic material.
  • the axis of rotation 11 of the pulley 17 and the axis of rotation 12 of the roller shutter shaft are positioned according to two separate horizontal planes.
  • the axis of rotation of the pulley 11 and the axis of rotation of the shaft 12 are positioned in two separate vertical planes.
  • Cheek 7 which is symmetrical to be mounted either left or right of the shutter box rolling, thanks to a console, has in the walls lateral 13, 14 lower and upper, an orifice 15 allowing the passage of the cord 16 and opening to the right of the bearing ensuring the mounting of the pulley 17.
  • This last 17 is positioned at the back of the cheek 7 at within the cavity 8, so as to present the route of the bead with regard to orifice 15.
  • This pulley 17 has in its center an orifice 18 whose dimensions are compatible with a body of clutch / clutch 19.
  • This member 19 is produced from a gasket elastomer foam which is shaped into a ring 20.
  • This ring 20 has, at its lateral face 21 in contact with the orifice 18 formed in the pulley 17, zones combined with the projecting zones which participate to its radial immobilization.
  • the ring 20 includes a plurality of recesses 22, noticeably oblong, judiciously spaced on its slice, and which under the effect of a certain torque threshold elastically deforms.
  • the ring 20 has a coaxial opening 23 relative to the orifice 18 of the pulley 17, the side walls of which have an epicyclic profile.
  • the other declutching / clutching member is constituted by an input shaft 24.
  • This input shaft 24 has, on one of its front faces, a connection means produced in particular in the form of a fluted part or tooth which cooperates at the axis of rotation 11 of the pulley 17.
  • the outer wall of the input shaft 24 is provided with a succession of bosses whose profile is similar to those made in the center 23 of the elastomer ring 20, its profiles cooperating with each other so as to ensure the transmission of the torque regardless of its meaning.
  • the operation of the clutch / disengage member is the following :
  • the cavities 22 present in the thickness of the ring 20 elastomer retain their geometry and do not not distort.
  • the ring 20 does not shear between its side wall, which is fixed in the recess 18 made in the pulley 17, and its internal side wall which cooperates at the input shaft 24.
  • the movement of rotation printed by the cord 16 is transmitted to the shaft entrance 24 then, via a train of gears 25, 26 forming a reducer, to the tube winding 27 of the roller shutter deck.
  • the cavities 22 are deformed under the action of the couple and induce a shear between the lateral face of the ring 20 which is fixed and that which is located the interface with the input shaft 24.
  • the profile epicyclic of these faces in contact under the presence of these shear forces causes sliding relative in rotation between the input shaft 24 and the ring 20 in elastomer.
  • the movement printed on the winch is therefore, during the entire phase of sliding between the elastomer ring 20 and input shaft 24, removed until the respective side faces cooperate again as soon as the intensity torque is removed abnormal.
  • the input shaft 24 is provided with a protuberance 28 projecting in a direction substantially perpendicular to the lateral faces of the pulley 17, of so as to conform an entry knock allowing the drive of a spring 29.
  • the direction of the propeller of this spring is such that if the terminal strands become integral with the training knots 28, 30, cooperating respectively at the level of the pulley 17 and at the level of one 26 of the reducer gears, so that the number of turns of this spring 29 tends to increase, this will tend to decrease the diameter outside of this spring.
  • This spring 29 can therefore rotate freely and will not come into contact with a bell 31 surrounding it, this bell 31 being in turn secured to a support frame 32 (which is fixed in rotation) by external grooves, or simply by nesting.
  • This bell 31 prepared in a strip metal constitutes the lining which will allow the friction braking of the turns of the spring 29 against she.
  • the support frame 32 which allows the maintenance of the bell 31, is positioned coaxially to the axis of rotation 11 of the pulley 17, and is held in the cavity 8 of the play.
  • This frame 32 of substantially elliptical shape, has an orifice 33 for the passage of one of the pinions 26 of the gear train, this one also playing the role of the output toc connected to the spring 29.
  • the gear train 25, 26 forming a reducer comprises a limit switch system in the lower position of the deck.
  • This limit switch system is developed from characteristics of the gears. So the gears 25, 26 forming the reducer have a number of teeth first between them. If we consider a tooth on each gear having this property, the kinematics of these gears determines a single cross point for the two teeth considered, this crossing being repeated according to a period of n turns (n integer). So it is enough to determine, by an adequate choice of the number of teeth various gears belonging to the reducer, a reduction coefficient between the tree linked to the winch at cord and the shaft secured to the roller shutter deck, this coefficient also determining the number of turns of the receiving shaft necessary to move the race of said apron.
  • the reducer can also be produced from a planetary gear.
  • the remote control cord winch has, within of the cavity 8 of the cheek 7, on the one hand a stack constituted by the pulley 17, the elastomer lining 20, the support frame 32, the input shaft 24, the bell 31, the spring 29, the drive bar 28, the wheel 26, which are carried by the axis 11 of the pulley 17, and other share another stack coaxial with axis 12 of the shaft of the roller shutter and provided with another gear 25 forming the reducer and integral with the winding shaft 27 of the apron. All these parts are trapped inside of the cheek cavity and are held in place by through a flange 34.
  • This flange 34 is fixed to the casing by members suitable (screws, rivets ).

Landscapes

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

Claims (4)

  1. Seilwinde mit versetztem Antrieb, welche im Inneren eines Hohlraums (8) eines Seitenteils (7) für den Rolladen eine Rolle (17), über welche sich ein Seil (16) bewegt, eine Ein- und Auskuppeleinrichtung (20), welche die Aufgabe eines Drehmomentbegrenzers und einer Untersetzung zwischen der Rolle (17) und einer Wickelwelle (27) für den Rolladenpanzer hat, ein Rückdrehsicherungsmittel, das verhindert, daß sich das Betätigungsmittel durch das Gewicht des Rolladenpanzers ohne menschliche Einwirkung auf das Seil dreht, und ein Rückdrehsicherungs-Bremssystem umfaßt, dadurch gekennzeichnet, daß sie im Seitenteil (7) mit zwei Materialausnahmen versehen ist, die als Lager für einerseits die Drehachse (11) der Rolle (17) und andererseits die Drehachse (12) der Wickelwelle (27) des Rolladenpanzers dienen, wobei die Achsen (11, 12) in jeweils zwei voneinander verschiedenen horizontalen und vertikalen Ebenen versetzt sind, und daß die Ein- und Auskuppeleinrichtung einerseits eine Elastomerschaumstoffdichtung, die zu einem Ring (20) ausgebildet ist, dessen Seitenfläche (21) sich mit einer Öffnung (18), die in der Rolle (17) angebracht ist, in Berührung befindet, wobei der Ring (20) mit einer Vielzahl von Aussparungen (22) versehen ist, die im großen und ganzen länglich und sorgfältig über seine Kreisringfläche beabstandet sind, und dieser Ring (20) sich unter dem Einfluß eines bestimmten Drehmomentgrenzwertes elastisch verformt und außerdem eine in bezug auf die Öffnung (18) der Rolle (17) koaxiale Öffnung (23) enthält, und andererseits eine Eingangswelle (24) in der Öffnung (18) der Rolle umfaßt, wobei die Außenwand der Eingangswelle (24) mit einer Abfolge von Buckeln versehen ist, deren Profil denjenigen ähnlich ist, die in der Mitte (23) des Elastomerrings (20) angebracht sind, wobei diese Profile untereinander derart zusammenwirken, daß die Übertragung des Drehmoments unabhängig von dessen Richtung sichergestellt wird.
  2. Seilwinde nach Anspruch 1, dadurch gekennzeichnet, daß die Seitenwände der Öffnung (23) des Rings über ein epizykloidisches Profil verfügen.
  3. Seilwinde nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Rückdrehsicherungs-Bremssystem mit der Drehachse (11) der Rolle (17) koaxial ist und eine Eingangswelle (24) enthält, welche in einer Feder (29) aufgenommen ist, die ins Innere eines Rings (31) führt, der an seiner Stelle über einen Halterahmen (32) gehalten wird, der im Seitenteil (7) blockiert ist, wobei der Halterahmen (32) mit einer Öffnung (33) versehen ist, durch welche ein Zahnrad (26) führt, das mit der Feder (29) zusammenwirkt.
  4. Seilwinde nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Untersetzung ein Getriebe (25, 26) enthält, wobei das Ritzel (25) im Eingriff mit der Wickelwelle (27) des Rolladenpanzers steht und das Zahnrad (26) mit der Rolle (17) zusammenwirkt.
EP19980402046 1997-08-26 1998-08-12 Seilwinde mit versetztem Antrieb Expired - Lifetime EP0899414B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9710652A FR2767859B1 (fr) 1997-08-26 1997-08-26 Treuil a cordon a commande decalee
FR9710652 1997-08-26

Publications (2)

Publication Number Publication Date
EP0899414A1 EP0899414A1 (de) 1999-03-03
EP0899414B1 true EP0899414B1 (de) 2004-02-11

Family

ID=9510499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980402046 Expired - Lifetime EP0899414B1 (de) 1997-08-26 1998-08-12 Seilwinde mit versetztem Antrieb

Country Status (4)

Country Link
EP (1) EP0899414B1 (de)
DE (2) DE899414T1 (de)
ES (1) ES2127714T3 (de)
FR (1) FR2767859B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2167177B1 (es) * 1999-10-21 2003-10-01 Asensio Manuel Sierra Cinta o cordon circular para persianas y aplicacion sobre polea con fondo antideslizante.
FR2816016B1 (fr) * 2000-10-27 2003-02-07 Zurfluh Feller Dispositif limiteur de couple
WO2003080981A2 (en) * 2002-03-20 2003-10-02 Rollease Inc A roller shade clutch with internal gearing
KR101109136B1 (ko) 2009-07-01 2012-02-24 좋은금속(주) 롤 블라인드
CN102765673B (zh) * 2012-07-11 2014-09-03 宁波联达绞盘有限公司 改进型绞盘刹车装置及其安装方法
CN105401870A (zh) * 2015-12-17 2016-03-16 郑州名扬窗饰材料有限公司 自锁弹簧制头

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673668B1 (fr) * 1991-03-06 1994-08-26 Richard Bubendorff Dispositif d'entrainement en rotation de l'arbre d'enroulement et de deroulement d'un tablier correspondant a un volet roulant.
FR2722183B1 (fr) * 1994-07-11 1996-09-13 Zurfluh Feller Sa Treuil debrayable a cordon

Also Published As

Publication number Publication date
FR2767859A1 (fr) 1999-03-05
EP0899414A1 (de) 1999-03-03
FR2767859B1 (fr) 1999-10-29
ES2127714T3 (es) 2004-10-16
ES2127714T1 (es) 1999-05-01
DE899414T1 (de) 1999-08-19
DE69821561T2 (de) 2004-07-01
DE69821561D1 (de) 2004-03-18

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