EP0717166B1 - Dispositif de support et de commande d'un store roulant - Google Patents

Dispositif de support et de commande d'un store roulant Download PDF

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Publication number
EP0717166B1
EP0717166B1 EP95830514A EP95830514A EP0717166B1 EP 0717166 B1 EP0717166 B1 EP 0717166B1 EP 95830514 A EP95830514 A EP 95830514A EP 95830514 A EP95830514 A EP 95830514A EP 0717166 B1 EP0717166 B1 EP 0717166B1
Authority
EP
European Patent Office
Prior art keywords
roller
tubular body
blind
web
coupling
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
EP95830514A
Other languages
German (de)
English (en)
Other versions
EP0717166A1 (fr
Inventor
Pietro Zanusso
Luigi Casavecchia
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.)
Mottura SpA
Original Assignee
Mottura SpA
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 Mottura SpA filed Critical Mottura SpA
Publication of EP0717166A1 publication Critical patent/EP0717166A1/fr
Application granted granted Critical
Publication of EP0717166B1 publication Critical patent/EP0717166B1/fr
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
    • E06B9/80—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
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/50—Bearings specially adapted therefor
    • 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
    • E06B2009/807—Brakes preventing fast screen movement
    • 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 devices for supporting and controlling roller blinds.
  • Such a device is for instance known from EP-A-0 093 289.
  • the object of the present invention is that of providing a device of the above indicated type which is relatively simple and reliable while enabling the user to control lowering and raising of the blind with easy and rapid operations.
  • the invention provides a device for supporting and controlling a roller blind, having the features indicated in the annexed claim 1.
  • reference numeral 1 generally designates a roller blind comprising a blind web 2 having a lower edge strengthened by a bar 3 and an upper edge (not visible in the drawings) anchored to a roller 4 for winding the web which is rotatably supported around a horizontal axis 5 by a fixed support structure 6 (figure 1).
  • the fixed support structure 6 includes a metal profile 7 (see for example figures 4, 5) which is to be anchored by any known fixing means to a ceiling 8 or a wall, for example above a window aperture which blind 1 is to cover.
  • roller 4 has a tubular body which, at its end facing towards head 9 (the end on the left in figure 1) which rotatably supports a disk 18 at its inside which is connected to the conventional spring which biasses the roller towards the position of complete winding of web 2.
  • This spring is not shown in the annexed drawings, since it may be made in any known type and it does not fall, taken alone, within the scope of the present invention.
  • the roller 4 rotates (in an anticlockwise direction with reference to figures 5, 9) causing the loading of said spring, which therefore is able to return the web to its raised position when it is no longer locked in a lowered condition.
  • the knob 33 serves for adjusting the load of the return spring means of roller 4.
  • tab 19 connected to the return spring located inside roller 4 is kept in a fixed position with respect to the end head 9.
  • this rotation cannot be followed by disk 18 and tab 19, since the latter is rotatably connected to disk 21 and disk 21 cannot rotate since abutment surface 27 impinges against the end tail 31 of spring 29 which is tightened around the edge 28 of body 14 (fixed) and therefore prevents a rotation of disk 21.
  • the first tubular body 36 is rotatably supported around axis 5, in a way which will become apparent in the following, on a second fixed tubular body 38 (figures 2, 4) forming part of the end head 10 of the fixed support structure 6. More precisely, the first tubular body 36 is rotatably mounted on the second tubular body 38 with the interposition of a third tubular body 39 (figures 2, 4), which will be illustrated in detail in the following.
  • Shaft 43 is received into an hexagonal cavity 44 (figure 2) formed at one end of a shaft 45 (figures 2, 4) which is freely rotatably mounted within the tubular body 36 and at its opposite end has two deflectable tapered axial wings 46 to receive and lock by a snap action a bush 47 thereon which is received inside the end of the tubular body 36 facing towards the inside of blind roller 4.
  • Bush 47 is normally tightened within the coils of a helical spring coupling 48 having a radial end tail 49 received in a longitudinal slot 50 (figures 2, 4) of the tubular body 36.
  • the coupling 48 is for connecting the centrifugal mass brake 41 to the blind roller when the latter is returned by its return spring means towards the raised position of web 2 and to discontinue this connection when the web is lowered, so as to avoid that brake 41 renders this operation more difficult.
  • roller 4 rotates in an anticlockwise direction (with reference to figures 3, 4 and 6-8).
  • the slot 50 of tubular body 36 actuates the end tail 49 of spring 48 so as to open the coils of the latter to cause a free rotation thereon around bush 47. Therefore, in this condition, the rotation of the roller is not transmitted to the centrifugal mass brake.
  • the roller is caused to rotate in the opposite direction (i.e.
  • the fixed tubular body 38 forms part of a plate 65 of plastic material which is fixed to the housing 40 by a snap action as well as with the aid of a screw 66 (figure 2).
  • a driving pulley 67 (figure 4) which is rotatably mounted on the tubular body 39 (figure 2) and can be engaged by a flexible driving member 68, which in the illustrated example is formed by a chain of balls 69 adapted to engage seats 70 formed on the periphery of pulley 67.
  • the ball chain 68 has two vertical runs 71, 72 which extend sufficiently downwardly to enable the user to operate the blind easily; these runs are to be pulled downwardly to cause the progressive lowering or the rapid raising of the blind web 2 respectively.
  • the driving pulley 67 has an inner radial tooth 73 which is arranged (figure 6) between the radial tail 61 of spring 60 and the end 58b of the rocking lever 58.
  • the ends 58b and 58a of the rocking lever are for cooperation with the radial tooth 73 of the driving pulley 67 and the tail 64 of spring 62 respectively in order that when the run 72 of chain 68 is pulled, in order to cause the rapid raising of the blind web 2, the tooth 73 rotates the rocking lever 58 so as to cause an opening of spring 62.
  • tubular body 39 The rotation of tubular body 39 is on its turn transmitted by the axial wing 59 to the tail 63 of spring 62 (figures 4 and 7) which is tightened around the portion 36a of the tubular body 36 and therefore transmits its rotation to said tubular body and consequently to the blind roller 4.
  • the roller is caused to rotate in an anticlockwise direction, with reference to figures 6-8, causing thereby the lowering of the web 2 of the blind.
  • the blind Once the blind has been locked in any partially or completely lowered position, it may be unlocked to cause a rapid return of web 2 to the raised condition by pulling the run 72 of chain 68. A short pulling action imparted to this run is sufficient to cause the engagement of the tooth 73, as already discussed, against the end 58b of the rocking lever 58. This rocking lever is thus compelled to rotate so as to bring its opposite end 58a against the tail 64 of spring 62 which is thus opened discontinuing the rigid connection between the tubular body 36 (connected to the blind roller) and the tubular body 39 (locked by spring 60 on the fixed tubular body 38). The tubular body 36 is therefore free to rotate inside the coils of spring 62, along with roller 4, under the action of the return spring means of the latter. In this manner, the web 2 is rapidly wound on roller 4.
  • the slot 50 causes an opening of the coils of spring 48 so as to discontinue the connection between the centrifugal mass brake 41 and the blind roller.
  • the tubular body 36 rotates in the direction tending to tighten the coils of spring 48 over the push 47. Therefore, in this condition, roller 4 is connected in rotation to the centrifugal mass brake 41, that slows down the roller during the winding stage.
  • the device according to the invention enables the user to control the blind with very simple, convenient and rapid operations.
  • it has a relatively simple and reliable structure.
  • the possibility to adjust the load of the return spring means for the roller provided by the device illustrated in figure 5 renders the invention further advantageous.
  • the possibility to snap engage the body 14 into the housing 10 following its coupling with roller 4 renders the assembling operation of the blind particularly simple.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Advancing Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Claims (3)

  1. Dispositif de support et de commande d'un rideau à rouleau (1) caractérisé par le fait qu'il comprend, en combinaison :
    - une structure de support (6), destinée à être fixée au plafond (8) ou à un mur,
    - un rouleau de rideau (4) sur lequel une toile de rideau (2) est enroulée et qui est supporté dans une position giratoire autour d'un axe horizontal (5) par la susdite structure de support (6), dite rouleau (4) étant pourvu d'éléments élastiques qui le rappellent dans une position de repos dans laquelle la toile (2) est entièrement enroulée autour de celui-ci,
    - un frein à masses centrifuges (41) porté par la structure de support (6) et fixé en rotation à une extrémité du rouleau (4) du rideau (1) pour ralentir la rotation de ce dernier quand celui-ci est rappelé dans sa position de repos par les susdits éléments élastiques,
    - ledit dispositif étant, en outre, caractérisé par le fait que :
    a) une extrémité du rouleau (4) du rideau est reliée de façon rigide en rotation à un premier corps tubulaire (36),
    b) ledit premier corps tubulaire (36) est relié audit frein à masses centrifuges (41) au moyen de l'interposition d'un premier joint unidirectionnel à ressort hélicoïdal (48) qui effectue ladite jonction uniquement quand le rouleau (4) tourne dans la direction d'enroulement de la toile (2),
    c) ledit premier corps tubulaire (36) est monté dans une position giratoire par rapport à un deuxième corps tubulaire fixe (38), faisant partie de la structure de support (6) au moyen de l'interposition d'un deuxième joint unidirectionnel à ressort hélicoïdal (60) qui bloque le premier corps tubulaire (36) sur le deuxième corps tubulaire fixe (38) quand le rouleau (4) tend à tourner dans la direction d'enroulement de la toile, de manière à bloquer cette dernière dans une position quelconque après que celle-ci ait été abaissée,
    d) sur la structure de support (6), une poulie de commande (67) du rideau est montée dans une position giratoire, engagée par un organe de commande (68), par exemple, un organe de commande flexible tel qu'une chaîne à billes ou tout élément similaire, ladite poulie de commande (67) ayant au minimum une dent interne (73) servant à bloquer ledit deuxième joint (60) et à transmettre la rotation de la poulie (67) au rouleau (4) du rideau quand la poulie (67) est commandée en rotation dans le sens de l'abaissement de la toile (2) du rideau,
    e) entre le premier corps tubulaire (36) et ledit deuxième joint (60) est interposé un troisième corps tubulaire (39) qui est relié audit deuxième corps tubulaire (38) au moyen dudit deuxième joint (60) ainsi qu'audit premier corps tubulaire (36) au moyen d'un troisième joint à ressort hélicoïdal (62) qui maintient ladite jonction quand le rideau est abaissé ou quand celui-ci est laissé dans une condition stationnaire quelconque,
    f) ledit troisième corps tubulaire (39) est pourvu d'un levier à balancier (58) ayant une première extrémité (58a) coopérant avec ladite dent interne (73) de la poulie de commande (67) et une deuxième extrémité (58b) coopérant avec ledit troisième joint (62) de manière à ce que, quand l'on tend à faire tourner la poulie de commande (67) dans la direction d'enroulement de la toile (2), la susdite dent (73) provoque une oscillation dudit levier à balancier (58) provoquant le déblocage dudit troisième joint (62) de manière à ce que, alors que le troisième corps tubulaire (39) reste bloqué sur le deuxième corps tubulaire fixe (38) par ledit deuxième joint (60), le premier corps tubulaire (36), et avec celui-ci le rouleau (4) du rideau, est libre de tourner sous l'action de ses éléments élastiques de rappel dans la position d'enroulement complet de la toile (2) du rideau.
  2. Dispositif selon la revendication 1, caractérisé par le fait que, à sa deuxième extrémité opposée à ladite première extrémité, le rouleau (4) est pourvu d'éléments de réglage (33, 35, 29, 21) de la charge de ses éléments élastiques de rappel.
  3. Dispositif selon la revendication 1, caractérisé par le fait que la susdite structure de support (6) comprend un profilé (7) et deux têtes d'extrémité (9, 10) montées sur le profilé (7), l'une desdites têtes d'extrémité (9) comprenant un boîtier (9a) et un corps (14) qui supporte en mode giratoire le rouleau (4) du rideau et est monté avec un cran sur le susdit boîtier. (9a).
EP95830514A 1994-12-16 1995-12-13 Dispositif de support et de commande d'un store roulant Expired - Lifetime EP0717166B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT94TO001021A IT1267206B1 (it) 1994-12-16 1994-12-16 Dispositivo di sopporto e comando per una tenda a rullo.
ITTO941021 1994-12-16

Publications (2)

Publication Number Publication Date
EP0717166A1 EP0717166A1 (fr) 1996-06-19
EP0717166B1 true EP0717166B1 (fr) 1997-07-09

Family

ID=11412970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95830514A Expired - Lifetime EP0717166B1 (fr) 1994-12-16 1995-12-13 Dispositif de support et de commande d'un store roulant

Country Status (5)

Country Link
EP (1) EP0717166B1 (fr)
AT (1) ATE155201T1 (fr)
DE (1) DE69500418T2 (fr)
ES (1) ES2105864T3 (fr)
IT (1) IT1267206B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458129A1 (fr) 2010-11-26 2012-05-30 MOTTURA S.p.A. Dispositif pour commander un store
DE202010017913U1 (de) 2010-11-26 2013-02-14 Mottura S.P.A. Vorrichtung zum Betätigen eines Rollos
EP3623566B1 (fr) * 2018-09-17 2022-12-21 GEST Holding GmbH Installation de pare-soleil pour une ouverture architectonique

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9609929D0 (en) * 1996-05-13 1996-07-17 Louver Lite Ltd Roller blind
GB2326183B (en) * 1997-06-13 2001-05-30 Rsl Bristol Ltd Roller shutters
SE507105C3 (sv) * 1997-06-13 1998-05-04 Markisol Ab Sidodrag foer rullgardin
CA2277603C (fr) * 1998-07-15 2007-01-09 Konrad Welfonder Mecanisme d'enroulement et de deroulement pour stores
ES1046085Y (es) * 2000-04-12 2001-05-01 Bandalux Ind S A Conjunto para enrollador de persianas.
AU2003285801A1 (en) 2003-05-14 2004-12-03 Chang-Ryeol Kim Roman shade
GB2392703B (en) * 2003-08-19 2004-06-23 Louver Lite Ltd Improvements in control units
AU2004200411B2 (en) * 2003-08-19 2004-03-25 Louver-Lite Limited Improvements in control units
FR2898393B1 (fr) * 2006-03-08 2009-02-20 Bernard Sa L Antidevireur a ressort.
GB0914161D0 (en) * 2009-08-13 2009-09-16 Turnils Uk Ltd Locking system for blinds
CN102102485B (zh) * 2010-02-25 2012-09-26 宁波先锋新材料股份有限公司 一种安全窗帘卷绕结构

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165188U (ja) * 1982-04-30 1983-11-02 ト−ソ−株式会社 ロ−ルブラインドの減速装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458129A1 (fr) 2010-11-26 2012-05-30 MOTTURA S.p.A. Dispositif pour commander un store
DE202010017913U1 (de) 2010-11-26 2013-02-14 Mottura S.P.A. Vorrichtung zum Betätigen eines Rollos
EP3623566B1 (fr) * 2018-09-17 2022-12-21 GEST Holding GmbH Installation de pare-soleil pour une ouverture architectonique

Also Published As

Publication number Publication date
IT1267206B1 (it) 1997-01-28
ITTO941021A0 (it) 1994-12-16
EP0717166A1 (fr) 1996-06-19
ATE155201T1 (de) 1997-07-15
DE69500418T2 (de) 1997-10-23
ITTO941021A1 (it) 1996-06-16
ES2105864T3 (es) 1997-10-16
DE69500418D1 (de) 1997-08-14

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