EP3114969A1 - Telescopic rod - Google Patents

Telescopic rod Download PDF

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Publication number
EP3114969A1
EP3114969A1 EP16176318.0A EP16176318A EP3114969A1 EP 3114969 A1 EP3114969 A1 EP 3114969A1 EP 16176318 A EP16176318 A EP 16176318A EP 3114969 A1 EP3114969 A1 EP 3114969A1
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EP
European Patent Office
Prior art keywords
spring
tube
inner tube
pin
outer tube
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Granted
Application number
EP16176318.0A
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German (de)
French (fr)
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EP3114969B1 (en
Inventor
Jean-Luc Ferlotti
Thierry Colmez
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.)
Ridorail SA
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Ridorail SA
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Publication of EP3114969A1 publication Critical patent/EP3114969A1/en
Application granted granted Critical
Publication of EP3114969B1 publication Critical patent/EP3114969B1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H1/00—Curtain suspension devices
    • A47H1/02—Curtain rods
    • A47H1/022—Curtain rods extensible
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H1/00—Curtain suspension devices
    • A47H1/02—Curtain rods
    • A47H2001/0215—Curtain rods being tubular

Definitions

  • the present invention is in the field of telescopic rods.
  • Such a device will find a particular application in the field of rods for supporting a curtain, clothing, a decorative object or a lamp.
  • the telescopic rod can be used horizontally or vertically.
  • the telescopic rod is used as curtain rod, it is necessary to be able to adjust exactly the length of the rod in accordance with the length of the window that is decorated by a curtain.
  • the document EP 2 272 404 discloses a spring device comprising an inner tube slidable in an outer tube.
  • the connection between the two tubes is made by means of a spring present inside the two tubes.
  • One end of the spring is attached to the outer tube, while the other end is free.
  • the inner tube is provided at its end free of an elongated room whose seat is spiral. This elongated piece allows the introduction of the free end of the spring to drive it inside the inner tube.
  • the outer diameter of the spring is smaller than the diameter of the inner tube, so that by screwing it is possible to introduce the spring in the elongate piece. During maximum screwing, the free end of the spring abuts against the end of the inner tube opposite the free end comprising the elongate piece.
  • the elongate piece adjusts the length between the two tubes.
  • this configuration is complex and requires a spring which is of specific diameter to enter both the elongate piece and the inner tube.
  • the handling of the elongate piece is specific to the diameter of the inner tube and the spring.
  • This length adjustment system separating the telescopic tubes is specific to a single dimension of elongate piece and corresponding spring, the setting is not universal and is not suitable for any type of diameter of the tube or spring.
  • the object of the present invention is to create a telescopic rod length adjustable to the millimeter and simplified design.
  • the invention allows by its particular design to achieve a precise adjustment and universal adaptation of the length of the rod.
  • the present invention relates to a telescopic rod 1 of adjustable length.
  • Said telescopic rod 1 can be used horizontally or vertically.
  • It can be used horizontally to support a curtain, decorative objects or clothing. It can be used vertically to support a lamp or clothes.
  • said rod 1 comprises an outer tube 2 and an inner tube 3, one of which can slide in the other.
  • said inner tube 3 slides in said outer tube 2.
  • said inner tube 3 has two ends, one free end 32 of which can engage in said outer tube 2.
  • said outer tube 2 has two ends, one free end 22 for accommodating the free end 32 during the engagement of the inner tube 3 in the outer tube 2, and an end 23 for fixing and immobilizing one of the ends of a spring 4.
  • said rod 1 also comprises a spring 4 with helical turns, positioned at least inside the outer tube 2.
  • said spring 4 can be housed and positioned in both the outer tube 2 and the inner tube 3.
  • one of the ends 43 of the spring 4 is immobilized in the outer tube 2.
  • At least one of the turns of the end 43 of the spring 4 is immobilized in the outer tube 2 by means of locking means 5.
  • the blocking means 5 consists of an expansion blocking system.
  • Said expansion blocking system may be an expansion blocking element 51 or a conical expansion ring 52.
  • the spring 4 is immobilized by means of an expansion locking element 51 having a protrusion 511 coupled to a pin 512.
  • Said pin 512 serves to immobilize one of the turns of the end 43 of the spring 4 within said external tube 2.
  • Said spring 4 is of smaller diameter than the outer tube 2, and of greater diameter than the inner tube 3, so that the spring 4 can not penetrate inside the inner tube 3.
  • the spring 4 is connected by its immobilized end 43 to the inside of the outer tube 2 and by its other end 42 to the outside of the inner tube 3.
  • the spring 4 is immobilized by means of an expansion conical clamping ring 52 belonging to the outer tube 2.
  • the clamping ring 52 has an internal thread and complementary to the turns of the spring 4. The presence of this tapping will allow to immobilize the turns of the end 43 of the spring 4.
  • the number of turns spring 4 which can be immobilized in the conical clamping ring 52 depends on the clamping position of the spring 4 within the outer tube 2.
  • the immobilization of the end 43 of the spring 4 within the outer tube 2 is done by fixing at least the last turn of said end 43 of the spring 4 on the bottom wall 21 of the outer tube 2.
  • the fixing is carried out by any known means, for example by riveting the last turn of the spring 4 on the wall of the bottom 21.
  • the bottom wall 21 of the outer tube 2 is a movable wall 21 bis, by example in the form of flexible sheet, as illustrated on the figure 4 .
  • the end 42 of the spring 4 which is opposite the immobilized end 43 in the outer tube 2 is an end 42 cooperating in abutment with the inner tube 3.
  • the end 42 of the spring 4 cooperates in abutment with the free end 32 of the inner tube 3.
  • the support is carried out using at least one pin 6 secured to the inner tube 3.
  • said pin 6 makes it possible to define both the end 42 and the end 43 of the spring 4. Indeed, the end 43 of the spring 4 is delimited by the immobilized turn 413 closest to the wall 21 of the bottom. the outer tube 2 and the immobilized turn 412 cooperating with the outer tube 2 which is closest to said pin 6.
  • said pin 6 is connected transversely to said inner tube 3.
  • the free end 32 of the inner tube 3 which cooperates with said spring 4 has a protrusion 31, said protrusion 31 being traversed transversely by said pin 6.
  • the end 42 of the spring 4 in support with the inner tube 3 abuts against the free end 32 of said inner tube 3.
  • the free end 32 of the inner tube 3 which cooperates with said spring 4 is in the form of a hollow tube internalising transversely said pin 6.
  • said inner tube 3 internalizes both a part of the end 42 of the spring 4 cooperating with said inner tube 3 and also internalizes said pin 6.
  • said pin 6 is housed transversely at the level of the free end 32 of the inner tube 3.
  • said pin 6 has a length substantially equal to the diameter of the inner tube 3, so as to be internally fixed in said inner tube 3 occupying its entire diameter.
  • the end 42 of the spring 4 is integrally fixed to a member 7.
  • Said member 7 is positioned within the inner tube 3 and has a smaller diameter to said inner tube 3. In this configuration, said member 7 can not leave the tube internal 3 because it is blocked by said pin 6, in this way said spring 4 always allows to connect the inner tube 3 with the outer tube 2, the two tubes 3,4 can not be separated from each other.
  • said inner tube 3 bears on its free end 32 an element 8.
  • the latter is of diameter less than the inner tube 3 allowing its integration into said tube 3.
  • Said element 8 comprises two openings that face each other allowing the transverse positioning of the pin 6.
  • the pin 6 is positioned at the inside the inner tube 3 and cooperates transversely with said element 8 so as to maintain the turns of the spring 4 and allow their screwing or unscrewing.
  • said spring 4 comprises at least one active portion 41 of distance D. Said active portion 41 connecting the inner tube 3 and the outer tube 2.
  • the distance D of said active portion 41 of the spring 4 is defined by the turn 411 traversed by said pin 6, and by the immobilized turn 412 cooperating with the outer tube 2 which is closest to said pin 6.
  • the set of turns of the spring 4 between the turn 411 and the turn 412 represents the active portion 41 of the spring 4.
  • This active portion 41 having a distance D adjustable and adjustable.
  • the distance D depends on the number of turns contained in the active portion 41 and the elasticity of the spring 4.
  • the screwing or unscrewing of said spring 4 around said pin 6 will allow to vary the distance D, that is to say the number of turns forming the active portion 41 of the spring 4.
  • said pin 6 transversely crosses said protrusion 31 present at the free end 32 of the inner tube 3.
  • the screwing or unscrewing of said spring 4 around said pin 6 is possible because said protuberance 31 of the invention is of diameter substantially smaller than the diameter of the spring 4 so as to engage or disengage with said spring 4.
  • said pin 6 is housed transversely at the free end 32 of the inner tube 3 and has a length substantially equal to the diameter of said inner tube 3.
  • the system of the invention has the additional advantage of being easy to manufacture and to be adaptable to several dimensions.
  • the same spring 4 pin 6 can be inserted in telescopic rods 1 having outer tubes 2 of different diameter, said diameter being always greater than the diameter of the turns of the spring 4.
  • the present invention allows a simple rod system to be able to accurately adjust the length of the rod without there being major difficulty for the user.

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

Tringle télescopique (1) de longueur réglable comportant : - un tube externe (2) et un tube interne (3), ledit tube interne (3) coulissant, par l'intermédiaire de son extrémité libre (32), dans ledit tube externe (2) ; - un ressort (4) à spires hélicoïdales positionné au moins à l'intérieur du tube externe (2), et qui coopère en appui par l'une de ses extrémités (42) avec ledit tube interne (3), tandis que son autre extrémité (43) est immobilisée dans le tube externe (2), - et où ledit ressort (4) comporte au moins une portion active (41) de distance D reliant le tube interne (3) avec le tube externe (2), caractérisé en ce qu'il comporte une goupille (6) solidaire dudit tube interne (3) au travers de laquelle est réalisé ledit appui, et qui est reliée transversalement au dit tube interne (3) et traverse transversalement une des spires de la portion active (41) du ressort (4), en sorte que la rotation axiale dudit ressort (4) génère son vissage ou son dévissage sur ladite goupille (6), et permette de faire varier la distance D de ladite portion active (41), distance D qui est délimitée par la spire (411) traversée par ladite goupille (6), et, par la spire immobilisée (412) du tube externe (2) la plus proche de ladite goupille (6).Telescopic rod (1) of adjustable length comprising: an outer tube (2) and an inner tube (3), said inner tube (3) sliding, via its free end (32), into said outer tube (2); a spring (4) with helical turns positioned at least inside the outer tube (2), and which cooperates in abutment by one of its ends (42) with said inner tube (3), while its other end (43) is immobilized in the outer tube (2), - And wherein said spring (4) comprises at least one active portion (41) of distance D connecting the inner tube (3) with the outer tube (2), characterized in that it comprises a pin (6) integral with said tube internal (3) through which is formed said support, and which is connected transversely to said inner tube (3) and transversely crosses one of the turns of the active portion (41) of the spring (4), so that the axial rotation said spring (4) generates its screwing or unscrewing on said pin (6), and makes it possible to vary the distance D of said active portion (41), distance D which is delimited by the turn (411) traversed by said pin ( 6), and by the immobilized turn (412) of the outer tube (2) closest to said pin (6).

Description

La présente invention entre dans le domaine des tringles télescopiques.The present invention is in the field of telescopic rods.

L'invention concerne particulièrement une tringle télescopique de longueur réglable comportant :

  • un tube externe et un tube interne, ledit tube interne coulissant, par l'intermédiaire de son extrémité libre, dans ledit tube externe;
  • un ressort à spires hélicoïdales positionné au moins à l'intérieur du tube externe, et qui coopère en appui par l'une de ses extrémités avec ledit tube interne, tandis que son autre extrémité est immobilisée dans le tube externe,
  • et où ledit ressort comporte au moins une portion active de distance D reliant le tube interne avec le tube externe.
The invention particularly relates to a telescopic rod of adjustable length comprising:
  • an outer tube and an inner tube, said inner tube sliding, through its free end, into said outer tube;
  • a spring with helical turns positioned at least inside the outer tube, and which cooperates in support by one of its ends with said inner tube, while its other end is immobilized in the outer tube,
  • and wherein said spring comprises at least one active portion of distance D connecting the inner tube with the outer tube.

Un tel dispositif trouvera une application particulière dans le domaine des tringles destinées à supporter un rideau, des vêtements, un objet décoratif ou encore une lampe. La tringle télescopique peut être utilisée à l'horizontale ou à la verticale.Such a device will find a particular application in the field of rods for supporting a curtain, clothing, a decorative object or a lamp. The telescopic rod can be used horizontally or vertically.

On notera que l'utilisation d'une tringle télescopique nécessite un ajustement précis de sa longueur pour l'adapter à l'espace qu'elle occupe.It should be noted that the use of a telescopic rod requires a precise adjustment of its length to adapt it to the space it occupies.

Par exemple, si on utilise la tringle télescopique comme tringle à rideau, il est nécessaire de pouvoir ajuster exactement la longueur de la tringle conformément à la longueur de la fenêtre que l'on décore par un rideau.For example, if the telescopic rod is used as curtain rod, it is necessary to be able to adjust exactly the length of the rod in accordance with the length of the window that is decorated by a curtain.

De manière connue, le document EP 2 272 404 décrit un dispositif à ressort comprenant un tube interne venant coulisser dans un tube externe. La liaison entre les deux tubes est réalisée par l'intermédiaire d'un ressort présent à l'intérieur des deux tubes. L'une des extrémités du ressort est fixée sur le tube externe, tandis que l'autre extrémité est libre. Le tube interne est muni au niveau de son extrémité libre d'une pièce allongée dont le siège est en forme de spirale. Cette pièce allongée permet l'introduction de l'extrémité libre du ressort pour l'entrainer à l'intérieur du tube interne. Le diamètre externe du ressort est inférieur au diamètre du tube interne, de manière à ce que par vissage on peut introduire le ressort dans la pièce allongé. Lors d'un vissage maximal, l'extrémité libre du ressort vient en butée contre l'extrémité du tube interne opposée à l'extrémité libre comprenant la pièce allongée.In known manner, the document EP 2 272 404 discloses a spring device comprising an inner tube slidable in an outer tube. The connection between the two tubes is made by means of a spring present inside the two tubes. One end of the spring is attached to the outer tube, while the other end is free. The inner tube is provided at its end free of an elongated room whose seat is spiral. This elongated piece allows the introduction of the free end of the spring to drive it inside the inner tube. The outer diameter of the spring is smaller than the diameter of the inner tube, so that by screwing it is possible to introduce the spring in the elongate piece. During maximum screwing, the free end of the spring abuts against the end of the inner tube opposite the free end comprising the elongate piece.

Ainsi dans cette configuration, la pièce allongée permet de régler la longueur entre les deux tubes.Thus in this configuration, the elongate piece adjusts the length between the two tubes.

Néanmoins, cette configuration est complexe et nécessite un ressort qui soit de diamètre spécifique pour entrer à la fois dans la pièce allongée et dans le tube interne. La manutention de la pièce allongée est spécifique au diamètre du tube interne et au ressort. Ce système de réglage de la longueur séparant les tubes télescopique est spécifique à une seule dimension de pièce allongée et de ressort correspondant, le réglage n'est pas universel et ne convient pas à tout type de diamètre du tube ou du ressort.Nevertheless, this configuration is complex and requires a spring which is of specific diameter to enter both the elongate piece and the inner tube. The handling of the elongate piece is specific to the diameter of the inner tube and the spring. This length adjustment system separating the telescopic tubes is specific to a single dimension of elongate piece and corresponding spring, the setting is not universal and is not suitable for any type of diameter of the tube or spring.

Le but de la présente invention est de créer une tringle télescopique de longueur réglable au millimètre et de conception simplifiée.The object of the present invention is to create a telescopic rod length adjustable to the millimeter and simplified design.

La présente invention a pour but de pallier les inconvénients de l'état de la technique, en proposant une tringle télescopique de longueur réglable comportant :

  • un tube externe et un tube interne, ledit tube interne coulissant, par l'intermédiaire de son extrémité libre, dans ledit tube externe ;
  • un ressort à spires hélicoïdales positionné au moins à l'intérieur du tube externe, et qui coopère en appui par l'une de ses extrémités avec ledit tube interne, tandis que son autre extrémité est immobilisée dans le tube externe,
  • et où ledit ressort comporte au moins une portion active de distance D reliant le tube interne avec le tube externe, caractérisé en ce qu'il comporte une goupille solidaire dudit tube interne au travers de laquelle est réalisé ledit appui, et qui est reliée transversalement audit tube interne et traverse transversalement une des spires de la portion active du ressort, en sorte que la rotation axiale dudit ressort génère son vissage ou son dévissage sur ladite goupille, et permette de faire varier la distance D de ladite portion active, distance D qui est délimitée par la spire traversée par ladite goupille, et, par la spire immobilisée du tube externe la plus proche de ladite goupille.
The present invention aims to overcome the disadvantages of the state of the art, by proposing a telescopic rod of adjustable length comprising:
  • an outer tube and an inner tube, said inner tube sliding, through its free end, into said outer tube;
  • a spring with helical turns positioned at least inside the outer tube, and which cooperates in support by one of its ends with said inner tube, while its other end is immobilized in the outer tube,
  • and wherein said spring has at least one active portion distance D connecting the inner tube with the outer tube, characterized in that it comprises a pin integral with said inner tube through which is formed said support, and which is connected transversely to said inner tube and transversely crosses one of the turns of the active portion of the spring, so that the axial rotation of said spring generates its screwing or unscrewing on said pin, and allows to vary the distance D of said active portion, distance D which is delimited by the turn traversed by said pin, and by the immobilized turn of the outer tube closest to said pin.

Ainsi, l'invention permet par sa conception particulière de réaliser un réglage précis et d'adaptation universelle de la longueur de la tringle.Thus, the invention allows by its particular design to achieve a precise adjustment and universal adaptation of the length of the rod.

De plus, selon d'autres caractéristiques :

  • ladite tringle comporte un moyen de blocage qui immobilise dans le tube externe au moins une des spires de l'extrémité du ressort;
  • le moyen de blocage consiste en un système de blocage a expansion ;
  • ladite tringle comporte une goupille qui immobilise dans le tube externe au moins une des spires de l'extrémité du ressort;
  • l'extrémité du ressort en appui avec le tube interne vient en butée contre l'extrémité libre dudit tube interne ;
  • une goupille traverse transversalement une protubérance présente au niveau de l'extrémité libre du tube interne, ladite protubérance étant de diamètre sensiblement inférieure au diamètre du ressort de manière à s'engager ou se désengager dans ledit ressort par vissage ou dévissage dudit ressort autour de ladite goupille;
  • ladite goupille se loge transversalement au niveau de l'extrémité libre du tube interne et présente une longueur sensiblement égale au diamètre du tube interne, de manière à ce que par vissage ou dévissage du ressort autour de ladite goupille, ledit ressort s'insère dans ledit tube interne.
In addition, according to other characteristics:
  • said rod comprises a locking means which immobilizes in the outer tube at least one of the turns of the end of the spring;
  • the blocking means consists of an expansion blocking system;
  • said rod comprises a pin which immobilizes in the outer tube at least one of the turns of the end of the spring;
  • the end of the spring bearing with the inner tube abuts against the free end of said inner tube;
  • a pin transversely traverses a protuberance present at the free end of the inner tube, said protrusion being of diameter substantially smaller than the diameter of the spring so as to engage or disengage in said spring by screwing or unscrewing said spring around said pin;
  • said pin is housed transversely at the free end of the inner tube and has a length substantially equal to the diameter of the inner tube, so that by screwing or unscrewing the spring around said pin, said spring is inserted into said inner tube.

D'autres caractéristiques et avantages de l'invention ressortiront de la description détaillée qui va suivre des modes de réalisation non limitatifs de l'invention, en référence aux figures annexées, dans lesquelles :

  • la figure 1 représente schématiquement une vue en coupe de profil d'une tringle télescopique selon un premier mode de réalisation de l'invention comprenant un élément de blocage à expansion;
  • la figure 2 représente schématiquement une vue en coupe de profil d'une tringle télescopique selon un second mode de réalisation de l'invention comprenant dans le tube externe une bague de serrage conique à expansion;
  • la figure 3 représente schématiquement une vue en coupe de profil d'une tringle télescopique selon un troisième mode de réalisation de l'invention, dépourvu de système de blocage à expansion ;
  • la figure 4 représente schématiquement une vue en coupe de profil d'une tringle télescopique selon un quatrième mode de réalisation de l'invention dans lequel l'appui est réalisé à l'aide d'un élément 8.
Other characteristics and advantages of the invention will emerge from the following detailed description of non-limiting embodiments of the invention, with reference to the appended figures, in which:
  • the figure 1 schematically represents a sectional sectional view of a telescopic rod according to a first embodiment of the invention comprising an expansion blocking element;
  • the figure 2 schematically represents a sectional sectional view of a telescopic rod according to a second embodiment of the invention comprising in the outer tube a conical expansion ring;
  • the figure 3 schematically represents a profile sectional view of a telescopic rod according to a third embodiment of the invention, without expansion blocking system;
  • the figure 4 schematically represents a profile sectional view of a telescopic rod according to a fourth embodiment of the invention in which the support is carried out using an element 8.

La présente invention concerne une tringle télescopique 1 de longueur réglable.The present invention relates to a telescopic rod 1 of adjustable length.

Ladite tringle télescopique 1 peut être utilisée à l'horizontale ou à la verticale.Said telescopic rod 1 can be used horizontally or vertically.

Elle peut être utilisée à l'horizontale pour supporter un rideau, des objets décoratifs ou des vêtements. Elle peut être utilisée à la verticale pour supporter une lampe ou des vêtements.It can be used horizontally to support a curtain, decorative objects or clothing. It can be used vertically to support a lamp or clothes.

Tel qu'illustrée sur les figures 1 à 3, ladite tringle 1 comporte un tube externe 2 et un tube interne 3, l'un pouvant coulisser dans l'autre. En d'autres termes, ledit tube interne 3 coulisse dans ledit tube externe 2.As illustrated on Figures 1 to 3 said rod 1 comprises an outer tube 2 and an inner tube 3, one of which can slide in the other. In other words, said inner tube 3 slides in said outer tube 2.

Selon l'invention, ledit tube interne 3 comporte deux extrémités, dont une extrémité libre 32 susceptible de venir s'engager dans ledit tube externe 2.According to the invention, said inner tube 3 has two ends, one free end 32 of which can engage in said outer tube 2.

De la même manière, ledit tube externe 2 comporte deux extrémités, dont une extrémité libre 22 permettant le logement de l'extrémité libre 32 lors de l'engagement du tube interne 3 dans le tube externe 2, et, une extrémité 23 permettant la fixation et l'immobilisation de l'une des extrémités d'un ressort 4.In the same way, said outer tube 2 has two ends, one free end 22 for accommodating the free end 32 during the engagement of the inner tube 3 in the outer tube 2, and an end 23 for fixing and immobilizing one of the ends of a spring 4.

En effet, selon l'invention, ladite tringle 1 comporte également un ressort 4 à spires hélicoïdales, positionné au moins à l'intérieur du tube externe 2.Indeed, according to the invention, said rod 1 also comprises a spring 4 with helical turns, positioned at least inside the outer tube 2.

Selon un mode de réalisation spécifique illustrée à la figure 3, ledit ressort 4 peut se loger et être positionné à la fois dans le tube externe 2 et le tube interne 3.According to a specific embodiment illustrated in figure 3 said spring 4 can be housed and positioned in both the outer tube 2 and the inner tube 3.

Selon l'invention, l'une des extrémités 43 du ressort 4 est immobilisée dans le tube externe 2.According to the invention, one of the ends 43 of the spring 4 is immobilized in the outer tube 2.

En d'autres termes, au moins une des spires de l'extrémité 43 du ressort 4 est immobilisée dans le tube externe 2 par l'intermédiaire de moyen de blocage 5.In other words, at least one of the turns of the end 43 of the spring 4 is immobilized in the outer tube 2 by means of locking means 5.

Avantageusement, le moyen de blocage 5 consiste en un système de blocage à expansion. Ledit système de blocage à expansion pouvant être un élément de blocage à expansion 51 ou encore une bague de serrage conique à expansion 52.Advantageously, the blocking means 5 consists of an expansion blocking system. Said expansion blocking system may be an expansion blocking element 51 or a conical expansion ring 52.

Selon un premier mode de réalisation illustré par la figure 1, le ressort 4 est immobilisé à l'aide d'un élément de blocage à expansion 51 présentant une protubérance 511 couplée à une goupille 512. Ladite goupille 512 permet d'immobiliser une des spires de l'extrémité 43 du ressort 4 au sein dudit tube externe 2. Ledit ressort 4 est de diamètre inférieur au tube externe 2, et de diamètre supérieur au tube interne 3, de sorte que le ressort 4 ne puisse pas pénétrer à l'intérieur du tube interne 3. Selon ce premier mode de réalisation, le ressort 4 est relié par son extrémité 43 immobilisée à l'intérieur du tube externe 2 et par son autre extrémité 42 à l'extérieur du tube interne 3.According to a first embodiment illustrated by the figure 1 the spring 4 is immobilized by means of an expansion locking element 51 having a protrusion 511 coupled to a pin 512. Said pin 512 serves to immobilize one of the turns of the end 43 of the spring 4 within said external tube 2. Said spring 4 is of smaller diameter than the outer tube 2, and of greater diameter than the inner tube 3, so that the spring 4 can not penetrate inside the inner tube 3. According to this first embodiment the spring 4 is connected by its immobilized end 43 to the inside of the outer tube 2 and by its other end 42 to the outside of the inner tube 3.

Selon un second mode de réalisation illustré par la figure 2, le ressort 4 est immobilisé à l'aide d'une bague de serrage conique à expansion 52 appartenant au tube externe 2. Ledit tube externe 2, grâce à la bague de serrage conique 52, forme un cône de réception du ressort 4 au niveau de son extrémité 23. Plus précisément, la bague de serrage 52 présente un taraudage interne et complémentaire aux spires du ressort 4. La présence de ce taraudage va permettre d'immobiliser les spires de l'extrémité 43 du ressort 4. Le nombre de spires du ressort 4 qui vont pouvoir être immobilisées dans la bague de serrage conique 52 dépend de la position de serrage du ressort 4 au sein du tube externe 2.According to a second embodiment illustrated by the figure 2 the spring 4 is immobilized by means of an expansion conical clamping ring 52 belonging to the outer tube 2. Said outer tube 2, thanks to the conical clamping ring 52, forms a cone for receiving the spring 4 at the level its end 23. More specifically, the clamping ring 52 has an internal thread and complementary to the turns of the spring 4. The presence of this tapping will allow to immobilize the turns of the end 43 of the spring 4. The number of turns spring 4 which can be immobilized in the conical clamping ring 52 depends on the clamping position of the spring 4 within the outer tube 2.

Selon un troisième mode de réalisation illustré dans la figure 3, l'immobilisation de l'extrémité 43 du ressort 4 au sein du tube externe 2 se fait en fixant au moins la dernière spire de ladite extrémité 43 du ressort 4 sur la paroi du fond 21 du tube externe 2. La fixation est réalisée par tout moyen connu, par exemple par rivetage de la dernière spire du ressort 4 sur la paroi du fond 21. Selon un mode de réalisation particulier de l'invention, la paroi du fond 21 du tube externe 2 est une paroi déplaçable 21 bis, par exemple sous la forme de tôle flexible, tel qu'illustré sur la figure 4.According to a third embodiment illustrated in the figure 3 , the immobilization of the end 43 of the spring 4 within the outer tube 2 is done by fixing at least the last turn of said end 43 of the spring 4 on the bottom wall 21 of the outer tube 2. The fixing is carried out by any known means, for example by riveting the last turn of the spring 4 on the wall of the bottom 21. According to a particular embodiment of the invention, the bottom wall 21 of the outer tube 2 is a movable wall 21 bis, by example in the form of flexible sheet, as illustrated on the figure 4 .

Selon l'invention, l'extrémité 42 du ressort 4 qui est opposée à l'extrémité immobilisée 43 dans le tube externe 2, est une extrémité 42 coopérant en appui avec le tube interne 3.According to the invention, the end 42 of the spring 4 which is opposite the immobilized end 43 in the outer tube 2, is an end 42 cooperating in abutment with the inner tube 3.

Avantageusement et comme indiqué sur les figures 1 et 2, l'extrémité 42 du ressort 4 coopère en appui avec l'extrémité libre 32 du tube interne 3.Advantageously and as indicated on Figures 1 and 2 , the end 42 of the spring 4 cooperates in abutment with the free end 32 of the inner tube 3.

Selon l'invention, l'appui est réalisé à l'aide d'au moins une goupille 6 solidaire du tube interne 3.According to the invention, the support is carried out using at least one pin 6 secured to the inner tube 3.

Ainsi, ladite goupille 6 permet de définir à la fois l'extrémité 42 et l'extrémité 43 du ressort 4. En effet, l'extrémité 43 du ressort 4 est délimitée par la spire immobilisée 413 la plus proche de la paroi 21 du fond du tube externe 2 et par la spire immobilisée 412 coopérant avec le tube externe 2 qui est la plus proche de ladite goupille 6.Thus, said pin 6 makes it possible to define both the end 42 and the end 43 of the spring 4. Indeed, the end 43 of the spring 4 is delimited by the immobilized turn 413 closest to the wall 21 of the bottom. the outer tube 2 and the immobilized turn 412 cooperating with the outer tube 2 which is closest to said pin 6.

Avantageusement, ladite goupille 6 est reliée transversalement audit tube interne 3.Advantageously, said pin 6 is connected transversely to said inner tube 3.

Selon les modes de réalisation illustrés en figure 1 et en figure 2, l'extrémité libre 32 du tube interne 3 qui coopère avec ledit ressort 4 présente une protubérance 31, ladite protubérance 31 étant traversée transversalement par ladite goupille 6. Ainsi, selon ces deux modes de réalisation, l'extrémité 42 du ressort 4 en appui avec le tube interne 3 vient en butée contre l'extrémité libre 32 dudit tube interne 3.According to the embodiments illustrated in figure 1 and in figure 2 , the free end 32 of the inner tube 3 which cooperates with said spring 4 has a protrusion 31, said protrusion 31 being traversed transversely by said pin 6. Thus, according to these two embodiments, the end 42 of the spring 4 in support with the inner tube 3 abuts against the free end 32 of said inner tube 3.

Selon le mode de réalisation illustré par la figure 3, l'extrémité libre 32 du tube interne 3 qui coopère avec ledit ressort 4 se présente sous la forme d'un tube creux internalisant transversalement ladite goupille 6. Sous cette configuration, ledit tube interne 3 internalise à la fois une partie de l'extrémité 42 du ressort 4 coopérant avec ledit tube interne 3 et internalise également ladite goupille 6. Selon le mode de réalisation particulier de la figure 3, ladite goupille 6 se loge transversalement au niveau de l'extrémité libre 32 du tube interne 3.According to the embodiment illustrated by the figure 3 , the free end 32 of the inner tube 3 which cooperates with said spring 4 is in the form of a hollow tube internalising transversely said pin 6. In this configuration, said inner tube 3 internalizes both a part of the end 42 of the spring 4 cooperating with said inner tube 3 and also internalizes said pin 6. According to the particular embodiment of the figure 3 said pin 6 is housed transversely at the level of the free end 32 of the inner tube 3.

Avantageusement, ladite goupille 6 présente une longueur sensiblement égale au diamètre du tube interne 3, de manière à pouvoir être internalisée fixement dans ledit tube interne 3 en occupant tout son diamètre.Advantageously, said pin 6 has a length substantially equal to the diameter of the inner tube 3, so as to be internally fixed in said inner tube 3 occupying its entire diameter.

Selon le mode de réalisation de la figure 3, l'extrémité 42 du ressort 4 est fixée solidairement à un organe 7. Ledit organe 7 est positionné au sein du tube interne 3 et présente un diamètre inférieure audit tube interne 3. Sous cette configuration, ledit organe 7 ne peut pas sortir du tube interne 3 car il est bloqué par ladite goupille 6, de cette manière ledit ressort 4 permet toujours de relier le tube interne 3 avec le tube externe 2, les deux tubes 3,4 ne pouvant pas se désolidariser entre eux.According to the embodiment of the figure 3 , the end 42 of the spring 4 is integrally fixed to a member 7. Said member 7 is positioned within the inner tube 3 and has a smaller diameter to said inner tube 3. In this configuration, said member 7 can not leave the tube internal 3 because it is blocked by said pin 6, in this way said spring 4 always allows to connect the inner tube 3 with the outer tube 2, the two tubes 3,4 can not be separated from each other.

Selon un autre mode de réalisation de l'invention de la figure 4, ledit tube interne 3 présente en appui sur son extrémité libre 32 un élément 8. Ce dernier est de diamètre inférieur au tube interne 3 permettant son intégration dans ledit tube 3. Ledit élément 8 comprend deux ouvertures qui se font face permettant la mise en place transversale de la goupille 6. Ainsi, dans ce mode de réalisation, la goupille 6 est positionnée à l'intérieur du tube interne 3 et coopère transversalement avec ledit élément 8 de manière à maintenir les spires du ressort 4 et à permettre leur vissage ou dévissage.According to another embodiment of the invention of the figure 4 , said inner tube 3 bears on its free end 32 an element 8. The latter is of diameter less than the inner tube 3 allowing its integration into said tube 3. Said element 8 comprises two openings that face each other allowing the transverse positioning of the pin 6. Thus, in this embodiment, the pin 6 is positioned at the inside the inner tube 3 and cooperates transversely with said element 8 so as to maintain the turns of the spring 4 and allow their screwing or unscrewing.

De manière spécifique, ledit ressort 4 comporte au moins une portion active 41 de distance D. Ladite portion active 41 reliant le tube interne 3 et le tube externe 2.Specifically, said spring 4 comprises at least one active portion 41 of distance D. Said active portion 41 connecting the inner tube 3 and the outer tube 2.

Plus particulièrement, selon l'invention, la distance D de ladite portion active 41 du ressort 4 est délimitée par la spire 411 traversée par ladite goupille 6, et, par la spire immobilisée 412 coopérant avec le tube externe 2 qui est la plus proche de ladite goupille 6.More particularly, according to the invention, the distance D of said active portion 41 of the spring 4 is defined by the turn 411 traversed by said pin 6, and by the immobilized turn 412 cooperating with the outer tube 2 which is closest to said pin 6.

L'ensemble des spires du ressort 4 comprises entre la spire 411 et la spire 412 représente la portion active 41 du ressort 4. Cette portion active 41 présentant une distance D modulable et réglable.The set of turns of the spring 4 between the turn 411 and the turn 412 represents the active portion 41 of the spring 4. This active portion 41 having a distance D adjustable and adjustable.

En effet, la distance D dépend du nombre de spires que contient la portion active 41 et de l'élasticité du ressort 4.Indeed, the distance D depends on the number of turns contained in the active portion 41 and the elasticity of the spring 4.

Plus le nombre de spires de la portion active 41 sera faible, plus la distance D sera faible, la majorité du tube interne 3 sera alors engagée dans le tube externe 2. Ainsi, si la distance D est faible, la longueur totale de la tringle 1 est courte par rapport à la longueur maximum possible.The smaller the number of turns of the active portion 41, the smaller the distance D, the majority of the inner tube 3 will then be engaged in the outer tube 2. Thus, if the distance D is small, the total length of the rod 1 is short in relation to the maximum possible length.

Plus le nombre de spires de la portion active 41 sera élevé, plus la distance D sera grande. Seulement une partie de l'extrémité libre 32 du tube interne 3 sera alors engagée dans le tube externe 2. Ainsi, si la distance D est élevée, la longueur totale de la tringle 1 est grande et va se rapprocher de son maximum possible.The higher the number of turns of the active portion 41, the greater the distance D will be. Only a portion of the free end 32 of the inner tube 3 will then be engaged in the outer tube 2. Thus, if the distance D is high, the total length of the rod 1 is large and will approach its maximum possible.

De manière spécifique à l'invention, le vissage ou le dévissage dudit ressort 4 autour de ladite goupille 6 va permettre de faire varier la distance D, c'est-à-dire le nombre de spires formant la portion active 41 du ressort 4.Specifically to the invention, the screwing or unscrewing of said spring 4 around said pin 6 will allow to vary the distance D, that is to say the number of turns forming the active portion 41 of the spring 4.

Selon les modes de réalisation des figures 1 et 2 de l'invention, ladite goupille 6 traverse transversalement ladite protubérance 31 présente au niveau de l'extrémité libre 32 du tube interne 3. Le vissage ou le dévissage dudit ressort 4 autour de ladite goupille 6 est possible car ladite protubérance 31 de l'invention est de diamètre sensiblement inférieur au diamètre du ressort 4 de manière à s'engager ou se désengager avec ledit ressort 4.According to the embodiments of the Figures 1 and 2 of the invention, said pin 6 transversely crosses said protrusion 31 present at the free end 32 of the inner tube 3. The screwing or unscrewing of said spring 4 around said pin 6 is possible because said protuberance 31 of the invention is of diameter substantially smaller than the diameter of the spring 4 so as to engage or disengage with said spring 4.

Selon le mode de réalisation de la figure 3 de l'invention, ladite goupille 6 se loge transversalement au niveau de l'extrémité libre 32 du tube interne 3 et présente une longueur sensiblement égale au diamètre dudit tube interne 3. En conséquence, par vissage ou dévissage du ressort 4 autour de ladite goupille 6 ledit ressort 4 s'insère dans ledit tube interne 3.According to the embodiment of the figure 3 of the invention, said pin 6 is housed transversely at the free end 32 of the inner tube 3 and has a length substantially equal to the diameter of said inner tube 3. As a result, by screwing or unscrewing the spring 4 around said pin Said spring 4 is inserted into said inner tube 3.

La seule condition pour que le vissage et le dévissage du ressort 4 autour de ladite goupille 6 soit réalisable, consiste en ce que la longueur totale de ladite goupille 6 soit sensiblement supérieure au diamètre des spires du ressort 4.The only condition for the screwing and unscrewing of the spring 4 around said pin 6 is feasible, is that the total length of said pin 6 is substantially greater than the diameter of the turns of the spring 4.

Ainsi selon la configuration de l'invention, par vissage ou dévissage de ladite goupille 6 autour du ressort 4, un opérateur va pouvoir ajuster exactement la longueur de la tringle 1, c'est-à-dire ajuster la longueur de la partie du tube interne 3 qui s'engage dans le tube externe 2.Thus according to the configuration of the invention, by screwing or unscrewing said pin 6 around the spring 4, an operator will be able to adjust exactly the length of the rod 1, that is to say, adjust the length of the tube part internal 3 which engages in the outer tube 2.

L'ajustement de la longueur de la tringle se fera très facilement.The adjustment of the length of the rod will be very easy.

En outre, le système de l'invention présente comme avantage supplémentaire d'être facile à fabriquer et d'être adaptable à plusieurs dimensions. En effet, un même couple ressort 4 goupille 6 peut être inséré dans des tringles télescopique 1 présentant des tubes externes 2 de diamètre différent, ledit diamètre étant toujours supérieur au diamètre des spires du ressort 4.In addition, the system of the invention has the additional advantage of being easy to manufacture and to be adaptable to several dimensions. Indeed, the same spring 4 pin 6 can be inserted in telescopic rods 1 having outer tubes 2 of different diameter, said diameter being always greater than the diameter of the turns of the spring 4.

Ainsi selon l'invention, sous l'action des spires de la portion active 41 du ressort 4 tendant à éloigner ou rapprocher les deux tubes 2, 3 l'un de l'autre, on va pouvoir bloquer la tringle qui ne pourra pas glisser, la distance D de ladite portion active 41 étant ajustée précisément par vissage ou dévissage.Thus according to the invention, under the action of the turns of the active portion 41 of the spring 4 tending to move away or closer the two tubes 2, 3 from one another, we will be able to lock the rod that can not slip, the distance D of said active portion 41 being adjusted precisely by screwing or unscrewing.

La présente invention permet par un système de tringle simple de pouvoir adapter avec précision la longueur de la tringle sans qu'il y ait de difficulté majeure pour l'utilisateur.The present invention allows a simple rod system to be able to accurately adjust the length of the rod without there being major difficulty for the user.

Claims (7)

Tringle télescopique (1) de longueur réglable comportant : - un tube externe (2) et un tube interne (3), ledit tube interne (3) coulissant, par l'intermédiaire de son extrémité libre (32), dans ledit tube externe (2) ; - un ressort (4) à spires hélicoïdales positionné au moins à l'intérieur du tube externe (2), et qui coopère en appui par l'une de ses extrémités (42) avec ledit tube interne (3), tandis que son autre extrémité (43) est immobilisée dans le tube externe (2), - et où ledit ressort (4) comporte au moins une portion active (41) de distance D reliant le tube interne (3) avec le tube externe (2), caractérisé en ce qu'il comporte une goupille (6) solidaire dudit tube interne (3) au travers de laquelle est réalisé ledit appui, et qui est reliée transversalement au dit tube interne (3) et traverse transversalement une des spires de la portion active (41) du ressort (4), en sorte que la rotation axiale dudit ressort (4) génère son vissage ou son dévissage sur ladite goupille (6), et permette de faire varier la distance D de ladite portion active (41), distance D qui est délimitée par la spire (411) traversée par ladite goupille (6), et, par la spire immobilisée (412) du tube externe (2) la plus proche de ladite goupille (6). Telescopic rod (1) of adjustable length comprising: an outer tube (2) and an inner tube (3), said inner tube (3) sliding, via its free end (32), into said outer tube (2); a spring (4) with helical turns positioned at least inside the outer tube (2), and which cooperates in abutment by one of its ends (42) with said inner tube (3), while its other end (43) is immobilized in the outer tube (2), - And wherein said spring (4) comprises at least one active portion (41) of distance D connecting the inner tube (3) with the outer tube (2), characterized in that it comprises a pin (6) integral with said tube internal (3) through which is formed said support, and which is connected transversely to said inner tube (3) and transversely crosses one of the turns of the active portion (41) of the spring (4), so that the axial rotation said spring (4) generates its screwing or unscrewing on said pin (6), and makes it possible to vary the distance D of said active portion (41), distance D which is delimited by the turn (411) traversed by said pin ( 6), and by the immobilized turn (412) of the outer tube (2) closest to said pin (6). Tringle télescopique (1) de longueur réglable selon la revendication 1 caractérisée en ce qu'elle comporte un moyen de blocage qui immobilise dans le tube externe (2) au moins une des spires de l'extrémité (43) du ressort (4).Telescopic rod (1) of adjustable length according to claim 1 characterized in that it comprises a locking means which immobilizes in the outer tube (2) at least one of the turns of the end (43) of the spring (4). Tringle télescopique (1) de longueur réglable selon la revendication 2, caractérisée en ce que le moyen de blocage consiste en un système de blocage a expansion.Telescopic rod (1) of adjustable length according to claim 2, characterized in that the locking means consists of an expansion locking system. Tringle télescopique (1) de longueur réglable selon la revendication 1, caractérisée en ce qu'elle comporte une goupille (512) qui immobilise dans le tube externe (2) au moins une des spires de l'extrémité (43) du ressort (4).Telescopic rod (1) of adjustable length according to claim 1, characterized in that it comprises a pin (512) which immobilizes in the outer tube (2) at least one of the turns of the end (43) of the spring (4). ). Tringle télescopique (1) de longueur réglable selon la revendication 1 caractérisée en ce que l'extrémité (42) du ressort (4) en appui avec le tube interne (3) vient en butée contre l'extrémité libre (32) dudit tube interne (3).Telescopic rod (1) of adjustable length according to claim 1 characterized in that the end (42) of the spring (4) bearing with the inner tube (3) abuts against the free end (32) of said inner tube (3). Tringle télescopique (1) de longueur réglable selon la revendication 1, caractérisée en ce que une goupille (6) traverse transversalement une protubérance (31) présente au niveau de l'extrémité libre (32) du tube interne (3), ladite protubérance (31) étant de diamètre sensiblement inférieur au diamètre du ressort (4) de manière à s'engager ou se désengager dans ledit ressort (4) par vissage ou dévissage dudit ressort (4) autour de ladite goupille (6).Telescopic rod (1) of adjustable length according to claim 1, characterized in that a pin (6) transversely crosses a protuberance (31) present at the free end (32) of the inner tube (3), said protuberance ( 31) being of diameter substantially smaller than the diameter of the spring (4) so as to engage or disengage in said spring (4) by screwing or unscrewing said spring (4) around said pin (6). Tringle télescopique (1) de longueur réglable selon la revendication 1 caractérisée en ce que ladite goupille (6) se loge transversalement au niveau de l'extrémité libre (32) du tube interne (3) et présente une longueur sensiblement égale au diamètre du tube interne (3), de manière à ce que par vissage ou dévissage du ressort (4) autour de ladite goupille (6) ledit ressort (4) s'insère dans ledit tube interne (3).Telescopic rod (1) of adjustable length according to claim 1 characterized in that said pin (6) is housed transversely at the free end (32) of the inner tube (3) and has a length substantially equal to the diameter of the tube internal (3), so that by screwing or unscrewing the spring (4) around said pin (6) said spring (4) is inserted into said inner tube (3).
EP16176318.0A 2015-07-06 2016-06-27 Telescopic rod Active EP3114969B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1556362A FR3038504B1 (en) 2015-07-06 2015-07-06 TELESCOPIC TRINGLE

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EP3114969A1 true EP3114969A1 (en) 2017-01-11
EP3114969B1 EP3114969B1 (en) 2018-06-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107347848A (en) * 2017-07-17 2017-11-17 重庆锐进蔬菜种植股份合作社 A kind of agricultural pesticide dispersal equipment
CN108741961A (en) * 2018-05-26 2018-11-06 芜湖英特杰智能科技有限公司 A kind of sale apparatus that convenience stores bolt
CN109823148A (en) * 2019-03-05 2019-05-31 宁波吉利汽车研究开发有限公司 Article shading curtain structure and vehicle for vehicle

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Publication number Priority date Publication date Assignee Title
FR463745A (en) * 1913-08-22 1914-03-03 Victor Maximilien Michenaud Curtain rods
FR1337034A (en) * 1962-10-18 1963-09-06 Western Newell Mfg Co Hanging rod for curtains or draperies
EP2272404A2 (en) 2009-06-12 2011-01-12 Home Connexion S.r.l. A spring device for a support rod, in particular for curtains
FR2991156A1 (en) * 2012-06-01 2013-12-06 Luance Telescopic curtain rod for fixing curtain in frame of window, has elastic body providing elastic force in spacing between inner and outer tubes, to exert effort against fixed planes to maintain position of rod

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR463745A (en) * 1913-08-22 1914-03-03 Victor Maximilien Michenaud Curtain rods
FR1337034A (en) * 1962-10-18 1963-09-06 Western Newell Mfg Co Hanging rod for curtains or draperies
EP2272404A2 (en) 2009-06-12 2011-01-12 Home Connexion S.r.l. A spring device for a support rod, in particular for curtains
FR2991156A1 (en) * 2012-06-01 2013-12-06 Luance Telescopic curtain rod for fixing curtain in frame of window, has elastic body providing elastic force in spacing between inner and outer tubes, to exert effort against fixed planes to maintain position of rod

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107347848A (en) * 2017-07-17 2017-11-17 重庆锐进蔬菜种植股份合作社 A kind of agricultural pesticide dispersal equipment
CN107347848B (en) * 2017-07-17 2023-11-03 阳朔七仙峰茶业发展有限公司 Agricultural pesticide spraying equipment
CN108741961A (en) * 2018-05-26 2018-11-06 芜湖英特杰智能科技有限公司 A kind of sale apparatus that convenience stores bolt
CN109823148A (en) * 2019-03-05 2019-05-31 宁波吉利汽车研究开发有限公司 Article shading curtain structure and vehicle for vehicle
CN109823148B (en) * 2019-03-05 2020-12-01 宁波吉利汽车研究开发有限公司 A hide thing curtain structure and vehicle for vehicle

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FR3038504A1 (en) 2017-01-13
FR3038504B1 (en) 2017-07-28
EP3114969B1 (en) 2018-06-06

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