EP1672164B1 - Arrêt pour chaîne - Google Patents

Arrêt pour chaîne Download PDF

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Publication number
EP1672164B1
EP1672164B1 EP20050257181 EP05257181A EP1672164B1 EP 1672164 B1 EP1672164 B1 EP 1672164B1 EP 20050257181 EP20050257181 EP 20050257181 EP 05257181 A EP05257181 A EP 05257181A EP 1672164 B1 EP1672164 B1 EP 1672164B1
Authority
EP
European Patent Office
Prior art keywords
chain
stopper
ball
balls
length
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.)
Not-in-force
Application number
EP20050257181
Other languages
German (de)
English (en)
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EP1672164A2 (fr
EP1672164A3 (fr
Inventor
Lars Koop
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.)
Hunter Douglas Industries BV
Original Assignee
Hunter Douglas Industries BV
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 Hunter Douglas Industries BV filed Critical Hunter Douglas Industries BV
Priority to EP20050257181 priority Critical patent/EP1672164B1/fr
Publication of EP1672164A2 publication Critical patent/EP1672164A2/fr
Publication of EP1672164A3 publication Critical patent/EP1672164A3/fr
Application granted granted Critical
Publication of EP1672164B1 publication Critical patent/EP1672164B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/324—Cord-locks
    • 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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/326—Details of cords, e.g. buckles, drawing knobs

Definitions

  • the invention relates to a chain stopper for a ball chain, particularly for an operating system of a window blind, such as a horizontal or vertical venetian blind, a roller blind or the like.
  • Ball chain operating systems for window blinds are known in the art, for example, in DE 87 00 548 , DE 297 11893 . They generally include a sprocket or drive wheel for driving a driven blind member such as a drive shaft, a ball chain operatively engaging the sprocket wheel, a cover on the sprocket wheel and a chain stopper on the ball chain.
  • the sprocket wheel is drivingly connected to a driven member of a blind; in DE 87 00 548 , the blind is a roller blind, and in DE 297 11 893 , the blind is a vertical venetian blind.
  • a sprocket wheel can also drive other blinds, such as a horizontal venetian blind or a roman shade.
  • the driven member can be a conventional drive shaft of a roller blind, a central control shaft of a roman shade, a lift or tilt shaft of a horizontal venetian blind or a traverse or tilt shaft of a vertical venetian blind, or the like.
  • the ball chain in such systems, comprises a plurality of spaced apart balls.
  • the ball chain is looped over the sprocket wheel to operatively engage it, so that first and second depending portions of the ball chain are on either side of the sprocket wheel.
  • the sprocket wheel is rotated in either a clockwise or counter-clockwise direction, and the driven shaft also is rotated. This results in a roller blind being rolled up or unrolled, a venetian blind being tilted or lifted or lowered, a vertical venetian blind being traversed or tilted or a roman shade being lifted or lowered.
  • the sprocket wheel in such systems, is provided with a cover.
  • the cover generally is over at least the part of the sprocket wheel where the ball chain is looped over it, but open top covers are also known (e.g., US 2,577,046 ).
  • the cover is open at the bottom for passage of the opposite depending portions of the ball chain.
  • the cover acts as a guiding means to guide the ball chain into engagement with the sprocket wheel and prevent the ball chain from disengaging from the sprocket wheel.
  • ball chains have been provided with one or more separate members which act as chain stoppers.
  • the stoppers have been adapted to block movement of the ball chains, thus stopping the rotation of the sprocket wheels and operating movement of the blinds. They have also been used to prevent ball chain from being pulled further than necessary for performing desired operating movements of the blinds, for example, for preventing further than a maximum tilt of a venetian blind or preventing a roller blind from being rolled-up too far whereby its bottom bar would bang against its roller or its housing.
  • the stoppers of DE 87 00 548 , DE 297 11 893 grip two adjacent balls of their ball chains and have a cross-section that is bigger than the cross-section of the balls. These stoppers thus block the ball chains at the bottom of their covers and prevent the ball chains from being further pulled over their sprocket wheels. Such stoppers also connect the separate ends of the ball chains by gripping over and connecting together the last ball of each ball chain end.
  • cord weights such as are generally used on vertical blinds.
  • a cord weight is described, for example, in US 6,325,132 , and comprises a pulley rotatably mounted within a weighted outer shell.
  • EP 0 565 379 A describes a ball chain for interior decoration, sprocket drive or the like which comprises a connecting means in the form of a wire or yarn, a multiplicity of chain balls secured in place at equally spaced intervals along a length of the connecting means, and a coupling means interposed between adjacent chain balls.
  • a splicing means provided for splicing the ball chain comprises a socket having a cavity dimensioned to receive the coupling means.
  • US 5,230,665 describes a light driving force transmission apparatus which performs driving force transmission without the use of friction and with high lubrication, application, for example; in a space environment.
  • a plurality of connection members are secured to an endless rope to form a ball chain.
  • the ball chain is stretched between a pair of sprockets each of which has on the periphery thereof a guide groove for guiding the endless rope and recesses engageable with the connection members.
  • Driving shafts and driven shafts of at least two sprocket pairs are respectively coaxially located.
  • a connecting rod is bridged between the endless ropes by securing the two ends thereof to two opposed connection members.
  • the driving shafts of the sprocket pairs are rotated to cause a specific rotational reciprocating motion of the connecting rod so as to move a hook member of an object in a desired direction.
  • WO 03/033853 describes an operating rope wound on a sprocket of clutch for operating a sunshade.
  • the operating rope comprises a primary rope and a plurality of beads being integrally fixed on the primary rope with equidistant intervals.
  • the primary rope passes through the center of the beads being made of plastic.
  • the beads are also formed with the directional indicators to avoid the wrong operation of the sunshade.
  • the plurality of beads having a different cross section at the top and bottom with respect to the center is aligned in series to indicate an operating direction.
  • US 1,522,297 describes a necklace, such as a pearl necklace, having an identification disc of ornamental design inserted between adjacent beads of the necklace.
  • the stopper has a length, along the length of the chain, that is equal to or less than the distance between the maximum cross-sections of any two adjacent balls along the length of the chain.
  • the stopper has a top and a bottom, an outer surface and a hollow interior extending between the top and bottom. It is especially advantageous that the stopper is generally cylindrical. It is also especially advantageous that the hollow interior of the stopper has a general hour-glass shape, with a top bowl-like socket, a bottom bowl-like socket and a bore or passage connecting the two sockets. It is also especially advantageous that the stopper has a slot that extends between its top and bottom and extends from its outer surface to its hollow interior. Also advantageously, the stopper comprises two parts.
  • a ball chain having a plurality of balls which are spaced apart along the length of the chain and are interconnected by a plurality of intermediate chain members that extend along the length of the chain between adjacent balls; and the chain being characterized by a chain stopper of this invention, attached to the chain about an intermediate chain member between two adjacent balls.
  • a blind operating system comprising: a sprocket wheel for driving a driven blind member; a ball chain looped over the sprocket wheel and operatively engaging it; and a cover over at least a portion of the sprocket wheel that is in contact with the ball chain; the chain having a plurality of balls which are spaced apart along the length of the chain and are interconnected by a plurality of intermediate chain members that extend along the length of the chain between adjacent balls; and the system being characterized by at least one chain stopper of this invention, attached to the chain about an intermediate chain member between two adjacent balls.
  • Figure 1 shows a portion of the length of a conventional ball chain 1 with a plurality of balls 3 that are spaced apart along the length of the chain 1.
  • an intermediate chain member 5 Connecting each pair of adjacent balls 3 and extending between them, along the length of the chain 1, is an intermediate chain member 5.
  • the intermediate chain members 5 are all of equal length along the length of the chain 1.
  • the distance between two adjacent balls 3 along the length of the chain 1 is a function of the length of the intermediate chain member 5 between them.
  • Each ball 3 is preferably spherical as shown in Figures 1-6 but can have another shapes as described below.
  • the maximum cross-section of each ball 3, perpendicular to the length of the ball chain 1, is indicated as “MC ball " in the Figures.
  • the location of this maximum cross-section MC ball on a spherical ball 3 coincides with the meridian 3A of the ball.
  • their maximum cross-section MC ball will be described in relation to their meridians as explained below.
  • a first embodiment of a chain stopper 7 of this invention is provided on the ball chain 1, between a pair of adjacent balls 3, 3' and about the intermediate chain member 5, between them.
  • the stopper 7 has a length, parallel to the length of the chain 1, that is indicated as “L stopper " and is preferably equal to or less than the distance, along the length of the chain 1, between the maximum cross-section MC ball at the meridians 3A, 3A' of its adjacent balls 3, 3'.
  • the maximum cross-section of the stopper 7, perpendicular to the length of the chain 1, is indicated as "MC stopper " in the Figures.
  • MC stopper of the stopper 7 is equal to or less than MC ball of the balls 3 of the chain 1.
  • Figure 2 shows the stopper 7 as comprising a generally hollow cylindrical body 9 with a top 11, a bottom 13, an inner surface 15, an outer surface 17 and a slot 19 that extends lengthwise between the stopper's top and bottom 11, 13 and also extends from the stopper's outer surface 17 to its inner surface 15 and its hollow interior 21.
  • the hollow interior 21 is of an hour-glass like shape having a upper bowl-like socket portion 23 at the top 11 of the stopper, a lower bowl-like socket portion 25 at the bottom 13 of the stopper and a connecting passage or bore 27 between the two socket portions 23, 25.
  • the top bowl-like socket portion 23 is suitably shaped to accommodate a portion of the upper adjacent ball 3 in a ball-socket jointed type connection, and likewise, the bottom bowl-like socket portion 25 is suitably shaped to accommodate a portion of the lower adjacent ball 3'.
  • the bore 27 within the stopper's hollow interior 21 extends parallel to the length of the chain and can accommodate the intermediate chain member 5 between the adjacent balls 3, 3' when the stopper is attached to the chain 1.
  • the slot 19 of the stopper 7 connects its outer surface 17 with its hollow interior 21, the slot 19 allows the stopper to be removably assembled to the ball chain 1 between any pair of adjacent balls 3, 3'.
  • the slot 19 can be slid over an intermediate chain member 5, so that the stopper 7 surrounds the intermediate chain member which then lies in its hollow interior 21.
  • the slot 19 also allows for slight movement of the adjacent balls 3,3' relative to the sockets 23, 25.
  • the slot 19 of the stopper 7 preferably has a wedge shape -- larger at the opening 18 in the stopper's outer surface 17 and much narrower at its inner surface 15 about its hollow interior 21. This shape facilitates the attachment of the stopper 7 to the chain 1. Also instead of simple straight edges in the stopper's outer surface 17, about the opening 18 in the lengthwise slot 19, such edges 29 preferably form an hour-glass like contour in the stopper's outer surface 17, about the slot 19.
  • the hour-glass contour of slot 19 has a top width 19A, an intermediate width 19B and a bottom width 19C.
  • the top width 19A is sufficient for passage of the upper adjacent ball 3 onto the upper socket 23 of the stopper body, and the bottom width 19C is likewise sufficient for passage of the lower adjacent ball 3' onto the lower socket 25 of the stopper body.
  • the intermediate width 19B is for passage of the intermediate chain member 5 into the bore 27 of the stopper's hollow interior 21.
  • Figure 3 shows an operating system 30 for a roller blind (not shown) with the ball chain 1 and the stopper 7 of Figures 1 and 2 .
  • the system 30 is shown from a front side, on which the system will be attached to the blind's drive shaft (also not shown).
  • the operating system 30 has a conventional drive or sprocket wheel 40 that is at least partially covered by a conventional cover or housing 60.
  • the chain 1 is looped over, and thereby operatively connected to, the sprocket wheel 40.
  • a left or first depending chain portion 1A and a right or second depending chain portion 1 B of the chain 1 are on opposite sides of the sprocket wheel 40.
  • a portion of an optional cord weight or tensioner 80 is shown, suspended from the chain portions 1A, 1B.
  • the sprocket wheel 40 has a front web 41 and a rear web 43 (not shown) and an circumferential outer surface 45 between the front and rear webs.
  • the front and rear webs 41, 43 each have a plurality of radially-extending sprocket teeth 47 that alternate with pockets 49 suitable for accommodating the balls 3 of the chain 1.
  • a base 61 rotatably connected to, and supporting, the rear side of the sprocket wheel (not visible).
  • a flange 63 extends axially and frontwardly from the base 61.
  • the flange 63 is dimensioned and shaped to cover at least a radial portion of the circumferential surface of the sprocket wheel 40.
  • a gap 65 between an inner surface 67 of the flange 63 and the outer surface 45 of the sprocket wheel 40 is sufficiently wide to allow the sprocket wheel, with the ball chain 1 looped over it, to rotate within the cover 60 but is sufficiently narrow to prevent the chain 1 from disengaging from the sprocket wheel.
  • the flange 63 does not cover the lower radial portion of the outer surface 45 of the sprocket wheel 40, thus allowing the balls 3 to sequentially engage separate pockets 49 of the sprocket wheel as one of the depending chain portions 1A, 1 B is pulled and the sprocket wheel is rotated.
  • the cover 60 at the lower radial portion of the outer surface 45 of the sprocket wheel, also includes a lower left flange portion 69 and a lower right flange portion 71, and between them extends an open portion or flange free portion 73 of the base 61.
  • the open portion 73 can be a unitary or single portion wide enough for both depending chain portions 1A, 1 B, or it can include an intermediate flange portion (not shown), creating separate, left and right channels, one for each depending chain portion.
  • the base 61 of the cover 60 also preferably includes means (not shown) for attaching the cover to a conventional mounting bracket for the blind that is to be attached to the system 30.
  • the cord weight 80 includes a rotatable pulley 81 and a weighted or tensioned shell 83.
  • the stopper 7 can pass through the pulley 81 unhindered, because the pulley is not a sprocket wheel.
  • the ball-socket connection 23, 25 between the stopper 7 and the adjacent balls 3, 3' adds flexibility to the ball chain 1, allowing the stopper to pass even more easily with the chain through the cord weight 80 and around its pulley 81.
  • the chain stopper 7 is shown in Figures 3 and 4 in a left stop position P. In this stop position, even if the left depending chain portion 1A is pulled downwardly, the sprocket wheel 40 will not rotate. From this position, the sprocket wheel can only be rotated in an opposite direction by pulling downwardly the right depending chain portion 1B. In the left stop position P, the stopper 7 is caught between a tooth 47 of the sprocket wheel 40 and an inner surface 67 of the lower right flange portion 71 of the cover 60.
  • Figures 5 to 7 show alternative embodiments 107, 207, 307 and 407 of the chain stopper of the invention which are similar to the stopper 7 of Figures 1-4 and for which corresponding reference numerals (greater by 100, 200, 300 and 400, respectively) are used below for describing the same parts or corresponding parts.
  • Figure 5A shows a second embodiment 107 of the chain stopper assembled to a ball chain 101.
  • Figure 5B shows that the stopper 107 has a hollow cylindrical body 109 with a top 111, a bottom 113, an inner surface 115, an outer surface 117 and a slot 119 that extends lengthwise between its top 111 and bottom 113 and which also extends from its outer surface 117 to its inner surface 115 and its hollow interior 121.
  • the hollow interior 121 has a general cylindrical bore 127 for accommodating an intermediate portion 105 of the ball chain 101, between two of its adjacent balls 103, 103'.
  • the stopper 107 has a slot 119 which allows the stopper 107 to be removably assembled to the chain 101 between any pair of adjacent balls 103, 103' and about intermediate chain member 105.
  • the slot 119 is preferably shaped like a wedge that is wider at the outer surface of 117 of the stopper than at its inner surface 115, about its hollow interior 121, so as to allow for easy attachment of the stopper to the chain.
  • the length of the stopper between its top 111 and bottom 113 is equal or less then the length of the intermediate chain member 105 between two adjacent balls 103, 103'.
  • Figure 6A shows a third embodiment 207 of the chain stopper having a hollow cylindrical body 209 with a top 211, a bottom 213, an inner surface 215, an outer surface 217 and a hollow interior 221.
  • the two-part stopper 207 has a left body half 209A and a right body half 209B, enclosing an intermediate portion 205 between two adjacent balls 203, 203' of a ball chain 201.
  • the body halves 209A, 209B can have a flexible joint between them at one side, shaping the stopper into a book-like member. No slot extending lengthwise between the stopper's top and bottom 211, 213 and from its outer surface 217 to its inner surface 215 is necessary.
  • the two halves 209A, 209B of the stopper 207 can be closed about the intermediate chain member 205 in any conventional manner, for example with an adhesive.
  • the stopper halves 209A, 209B can also be made so that they can be reopened as described below with regard to Figure 7 .
  • Figure 6B shows a fourth embodiment 307 of the chain stopper, having a hollow cylindrical body 309 with a top 311, a bottom 313, an inner surface 315, an outer surface 317 and a hollow interior 321.
  • the stopper 307 has top and bottom sockets 323, 325 which are very shallow, Thereby, the lengthwise slot (not shown), between the stopper's top and bottom 311, 313 and from its outer surface 317 to its inner surface 315, can have the shape of the slot 119 of the stopper 107 of Figures 5A and 5B .
  • Figure 6C shows a fifth embodiment 407 of the chain stopper, having a hollow cylindrical body 409 with a top 411, a bottom 413, an inner surface 415, an outer surface 417 and a hollow interior 421.
  • the stopper 407 is shaped like a ball. Indeed, the stopper 407 could be an additional ball between two adjacent balls 403, 403' of the ball chain 401, provided the intermediate chain member 405 is long enough to accommodate such an extra ball.
  • Figure 7 shows details of the two-part stopper 207 of Figure 6A .
  • the left and right body halves 209A, 209B have a snap-locking mechanism 275 for releasable opening of the stopper.
  • the snap-lock mechanism includes a left snap-lug 277A (not shown) on the left body half 209A, and a complementary right snap-lug retainer 279B on the right body half 209B.
  • a tool like a screw-driver or a pen
  • a tool can be inserted in the opening between the body halves 209A, 209B to push the snap-retainers 279A, 279B and the snap-lugs 277A, 277B out of operative engagement.
  • the ball chains 1, 101, etc. could be shaped by balls formed on a chain or cord, in which case the intermediate chain members 5, 105, etc. would be portions of the chain or cord material.
  • the ball chains could be shaped by balls and the intermediate chain members that are assembled to form the ball chain.
  • the ball chains includes a cord and plastic balls that are formed on the cord, but the balls could also be crimped on a braided cord or the ball chains could be integrally formed by injection molding.
  • non-spherical balls such as balls of oblong cross-sections
  • I ball chains of this invention For example, conical, tetrahedonical or cylindrical balls as shown in WO 03/033853 ( Figures 5-8 ) could be used.
  • the size and spacing of such balls in ball chains will have to be appropriate for the type and size of the sprocket wheels, with which such ball chains are to be used.
  • any non-spherical ball that has, along its length, a constant maximum cross-section MC ball it can be assumed that its meridian is at the middle of its length. This can be the case for balls of oblong, rectangular or square cross-sections. Any non-spherical ball that has its maximum cross-section MC ball at a certain point along its length, that point can be assumed to be the meridian. This can be the case for conical, pyramidical or tetrahedonical shaped balls.
  • Such uncommon non-spherical balls can be made into ball chains of this invention and suitable sprocket wheels can be made to co-operate with such ball chains.
  • the chain stopper of the invention will be suitable for ball chains comprising such non-round ball members.
  • the chain stoppers 7, 107, etc. have cross-sections that are no bigger than the cross-sections of the balls 3, 103, etc. of the ball chains 1, 101, etc., with which the stoppers are to be used.
  • their cross-section also has to be at least somewhat bigger than the distance between the teeth 47 of the sprocket wheel 40 and the inner surface 67of a lower flange portion 71 of the cover 60. This distance is usually designed to let the intermediate chain members 5, 105, etc. closely pass without problem, but it can be larger.
  • the thinnest possible chain stopper 7, 107, etc. can have a cross-section that is just slightly thicker than the cross-section of the intermediate chain members 5, 105, etc. of the ball chains 1, 101, etc.

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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)
  • Rolling Contact Bearings (AREA)
  • Blinds (AREA)

Claims (11)

  1. Arrêt pour chaîne (7, 107, 207, 307, 407) adapté pour s'attacher à et pour bloquer le mouvement d'une chaînette à boules (1, 101, 201, 301, 401), arrêtant ainsi la rotation d'une roue dentée, ladite chaînette à boules comportant une pluralité de boules (3, 103, 203, 303, 403) qui sont espacées le long de la longueur de la chaînette et qui sont interconnectées par une pluralité d'éléments de chaînette intermédiaires (5, 105, 205, 305, 405) qui s'étendent le long de la longueur de la chaînette entre les boules adjacentes, l'arrêt étant adapté pour être attaché à la chaînette entre deux boules adjacentes, autour d'un élément de chaînette intermédiaire entre les deux boules adjacentes, et étant caractérisé par une taille maximale en section transversale (MCstopper) qui est inférieure ou égale à la taille de la section maximale des boules (MCball) de la chaînette.
  2. Arrêt pour chaîne selon la revendication 1, ayant une longueur (Lstopper), le long de la longueur de la chaînette, qui est inférieure ou égale à la distance entre les sections maximales (MCball) de deux boules adjacentes quelconques le long de la longueur de la chaînette.
  3. Arrêt pour chaîne selon la revendication 1 ou 2, comportant une partie supérieure (11, 111, 211, 311, 411), une partie inférieure (13, 113, 213, 313, 413), une surface extérieure (17, 117, 217, 317, 417) et un intérieur creux (21, 121, 221, 321, 421) s'étendant entre les parties supérieure et inférieure.
  4. Arrêt pour chaîne selon la revendication 3, qui est de forme générale cylindrique.
  5. Arrêt pour chaîne (7, 307) selon la revendication 3 ou 4, dans lequel l'intérieur creux (21, 321) a une forme générale de sablier, avec une douille supérieure en forme de bol (23, 323), une douille inférieure en forme de bol (25, 325) et un alésage (27, 327) reliant les deux douilles.
  6. Arrêt pour chaîne (107) selon la revendication 3 ou 4, dans lequel ledit intérieur creux (121) est un alésage cylindrique.
  7. Arrêt pour chaîne selon l'une quelconque des revendications 1 à 6, comportant une fente (19, 119, 219, 319, 419) qui s'étend entre ses parties supérieure et inférieure et qui s'étend de sa surface extérieure vers son intérieur creux.
  8. Arrêt pour chaîne selon la revendication 7, dans lequel ladite fente (19, 119, 219, 319, 419) est en forme de coin et est plus large au niveau de la surface extérieure de l'arrêt (17, 117, 217, 317, 417) et bien plus étroite au niveau de son intérieur creux (21, 121, 221, 321, 421).
  9. Arrêt pour chaîne (207) selon l'une quelconque des revendications 1 à 4, comprenant deux parties (209A, 209B).
  10. Chaînette à boules (1, 101, 201, 301, 401) comportant une pluralité de boules (3, 103, 203, 303, 403) qui sont espacées le long de la longueur de la chaînette et qui sont interconnectées par une pluralité d'éléments de chaînette intermédiaires (5, 105, 205, 305, 405) qui s'étendent le long de la longueur de la chaînette entre les boules adjacentes ; la chaînette étant caractérisée par un arrêt pour chaîne (7, 107, 207, 307, 407) selon l'une quelconque des revendications 1 à 9, attaché à la chaînette autour d'un élément de chaînette intermédiaire entre deux boules adjacentes.
  11. Système d'actionnement de store comprenant : une roue dentée (40) pour entraîner un élément de store entraîné ; une chaînette à boules (1, 101, 201, 301, 401) enroulée autour de la roue dentée et fonctionnellement en prise avec elle ; et un couvercle (60) qui recouvre au moins une partie de la roue dentée et qui est en contact avec la chaînette à boules ; la chaînette comportant une pluralité de boules (3, 103, 203, 303, 403) qui sont espacées le long de la longueur de la chaînette et qui sont interconnectées par une pluralité d'éléments de chaînette intermédiaires (5, 105, 205, 305, 405) qui s'étendent le long de la longueur de la chaînette entre les boules adjacentes ; et le système étant caractérisé par au moins un arrêt pour chaîne (7, 107, 207, 307, 407) selon l'une quelconque des revendications 1 à 9, attaché à la chaînette autour d'un élément de chaînette intermédiaire entre deux boules adjacentes.
EP20050257181 2004-12-17 2005-11-22 Arrêt pour chaîne Not-in-force EP1672164B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050257181 EP1672164B1 (fr) 2004-12-17 2005-11-22 Arrêt pour chaîne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04078428 2004-12-17
EP20050257181 EP1672164B1 (fr) 2004-12-17 2005-11-22 Arrêt pour chaîne

Publications (3)

Publication Number Publication Date
EP1672164A2 EP1672164A2 (fr) 2006-06-21
EP1672164A3 EP1672164A3 (fr) 2011-05-04
EP1672164B1 true EP1672164B1 (fr) 2012-08-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0808706B1 (pt) * 2007-03-09 2018-04-10 Hunter Douglas Industries B.V. Sistema de operação para cobertura arquitetônica
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EP1672164A3 (fr) 2011-05-04

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