EP2319790B1 - Winding device with manual actuation - Google Patents

Winding device with manual actuation Download PDF

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Publication number
EP2319790B1
EP2319790B1 EP20100354057 EP10354057A EP2319790B1 EP 2319790 B1 EP2319790 B1 EP 2319790B1 EP 20100354057 EP20100354057 EP 20100354057 EP 10354057 A EP10354057 A EP 10354057A EP 2319790 B1 EP2319790 B1 EP 2319790B1
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EP
European Patent Office
Prior art keywords
rotation
axis
drum
winding device
operating handle
Prior art date
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Active
Application number
EP20100354057
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German (de)
French (fr)
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EP2319790A1 (en
Inventor
Alain Perrin
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication date
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Publication of EP2319790A1 publication Critical patent/EP2319790A1/en
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4481—Arrangements or adaptations for driving the reel or the material
    • B65H75/4492—Manual drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4457—Arrangements of the frame or housing
    • B65H75/4468—Tubular frame

Definitions

  • the invention relates to a manually operated winding device comprising an operating handle rotatably mounted about a first axis of rotation integral with a frame.
  • a drum is rotated by said handle through a drive mechanism including latching means having a rotatable ratchet.
  • Said rocker is intended to cooperate with a toothed pinion attached to the drum to drive it in rotation by oscillation of the operating handle.
  • Said pinion and said drum are mounted in rotation about a second axis of rotation integral with the frame.
  • the use of a drum for winding a material such as electric cable or pipe is widespread.
  • the drum is generally mounted on an axis of rotation fixed to a base or a frame.
  • a first solution consists in equipping the manual winder with elastic return means. These elastic return means are armed when the cable is unrolled from the drum.
  • a click system prevents the cable wraps inadvertently under the effect of the elastic means.
  • the reel further comprises unlocking means of the click system allowing the controlled winding of the wire on the drum.
  • This type of retractor is generally fixed on a support so that the user can pull the cable by exerting a force sufficient to oppose that of the elastic means. This type of reel thus has the disadvantage of being non-transportable easily and being relatively heavy.
  • this solution is used for short cable length.
  • a second solution is to manually actuate the rotation of the drum to wind the cable on the drum.
  • the drum generally comprises a more or less ergonomic handle attached directly to a face of said drum. The user activates manually and directly the rotation of the drum about its axis of rotation via the handle.
  • the handle being preferably placed on the periphery of the drum, this forces the user to perform hand and arm rotation movements.
  • This second solution is particularly used when the manual winder is transportable.
  • the invention therefore aims to overcome the drawbacks of the state of the art, so as to provide a manually controlled winding device comprising reliable and effective winding means.
  • the drive mechanism comprises means for intermediate drive of the rotary ratchet rocker, said intermediate means being rotatably mounted about a third axis of fixed rotation and being rotated by the operating handle.
  • the rotating ratchet rocker is rotatably mounted about a fourth movable axis of rotation and is integral with the intermediate drive means.
  • the four axes of rotation are parallel, the first, second and third axes of rotation being arranged in the same plane and the third axis of rotation being placed between two others.
  • the relative position of the fourth axis of rotation with respect to the first, second and third axes of rotation determines a rotational ratio between the angle of rotation of the operating handle and the rotation angle of the drum.
  • the rotation ratio is greater than 1 if the distance between the first and fourth axis of rotation is greater than the distance between the first and second axes of rotation, the distance between the second and third axes of rotation being fixed.
  • the operating handle comprises a guide pin that can move in a guide aperture integral with the frame, the guide opening extends in a circular arc having the center of the first axis of rotation.
  • the guide opening is positioned in a support flange integral with the frame.
  • the operating handle comprises a telescopic arm, the guide pin being carried on a movable section of the telescopic arm and being guided in translation in a locking position to block the rotation of said handle and the drum.
  • the guide opening extends from one end of the arc in a radial direction towards the first axis of rotation.
  • the operating handle comprises disengaging means for releasing the rotary ratchet of the toothed pinion so that the operating handle no longer rotates the drum.
  • the rotary ratchet rocker has a return spring whose one end is secured to the intermediate drive means and the other end of the rotary ratchet rocker, the return spring being intended to push the ratchet rocker rotatable to the toothed pinion so as to engage a tooth of said pinion when the operating handle oscillates from a first to a second position.
  • the manually-operated winding device of a roll-up element comprises a drum 1 rotatably mounted on a frame 5.
  • the drum 1 is rotatably mounted about a second axis of rotation Z2 secured to the frame 5.
  • the frame 5 is constituted by a folded tube comprising at least one seating area, a fixing zone of the drum 1 and an attachment zone.
  • the seating area is intended to rest on the ground and comprises at least two support surfaces spaced apart from each other and interconnected by a section of tube; said tube section connecting the bearing surfaces not in contact with the ground when the winding device is set. This specific bending of the tube at the bearing surfaces makes it possible to guarantee good stability of the winding device when the latter is placed on a non-planar surface.
  • the drum attachment zone allows a nesting of said drum 1.
  • the second axis of rotation Z2 is materialized either by an independent axis fixed on the bent tube of the frame, or by a portion of the bent tube. In the second case, the drum may comprise in its center an oblong hole 55 to allow its mounting.
  • the attachment zone 300 has the shape of a handle allowing the transport of the winding device.
  • the folded tube has the originality of rising to the operating handle 2 on the central axis of the drum. This folding creates a transport handle.
  • the transport handles and maneuver 2 are then placed vertically above the winding device during maneuvers.
  • the winding device comprises an operating handle 2 rotatably mounted about a first fixed axis of rotation Z1.
  • the drum 1 is actuated in rotation by said handle via a drive mechanism.
  • Said first axis of rotation is integral with the frame 5.
  • said first axis can be secured to the frame 5 by means of a flange 6.
  • Said drive mechanism comprises latching means comprising a pinion gear 31 secured directly or indirectly to the drum 1.
  • Said pinion has teeth 36 distributed on a radial face of the drum 1.
  • Said pinion and the drum are mounted in rotation about the second axis of rotation Z2 integral with the frame 5.
  • the toothed pinion 31 is directly attached to the drum 1.
  • the drum is made of molded plastic and the teeth 36 are molded concomitantly with the drum and therefore part of the drum 1.
  • the latching means further comprise a rotary ratchet rocker 32 intended to cooperate with the pinion gear 31 to drive it in rotation by oscillation of the operating handle 2 between a first and a second operating position.
  • the drive mechanism comprises intermediate drive means 34 of the rotary ratchet rocker 32.
  • Said intermediate drive means 34 are rotatably mounted about a third axis of rotation Z3 fixed and are rotated by the handle maneuver 2.
  • the rotary ratchet rocker 32 is secured to the rotary intermediate drive means 34.
  • Said rocker is then rotated at least partially around a fourth axis of rotation Z4 mobile.
  • the rotary ratchet rocker 32 comprises a first notch intended to collaborate with teeth 36 of the pinion gear.
  • the rotary ratchet rocker 32 has a return spring 33, one end of which is integral with the intermediate drive means 34 and the other of the rotary ratchet rocker 32.
  • the return spring 33 is intended to push the rocker to rotary ratchet 32 towards the toothed pinion 31 so as to engage a tooth 36 of said pinion 31 when the operating handle 2 oscillates from a first to a second operating position.
  • the first, second and third axes of rotation Z1, Z2, Z3 are arranged in the same plane and the third axis of rotation Z3 is preferably placed between two other axes.
  • the four axes of rotation Z1, Z2, Z3, Z4 are advantageously parallel.
  • the third axis of rotation Z3 is separated from the second axis of rotation Z2 by a distance Z1Z2.
  • the relative position of the fourth axis of rotation Z4 vis-à-vis the first, second and third axes of rotation Z1, Z2, Z3 determines a rotational ratio R between the angle of rotation of the operating handle 2 and the rotation angle of the drum 1.
  • the rotational ratio R is greater than one (R> 1) if the distance Z1 Z4 between the first and fourth axes of rotation is greater than the distance Z1Z2 between the first and second axes of rotation , the length of the ratchet rocker being fixed and the distance between the second and third axes of rotation Z2 and Z3 being fixed. The movement of the operating handle 2 is then multiplied.
  • the rotational ratio R is less than one (R ⁇ 1) if the distance Z1Z4 between the first and fourth axes of rotation is smaller than the distance Z1Z2 between the first and second axes of rotation. The movement of the operating handle is then under-multiplied.
  • the operation of the manually operated winding device is as follows.
  • the drum 1 is then rotated. Due to the inertia of the drum and the fact that it is freely mounted on the second axis of rotation Z2, this rotational movement continues at the end of the first movement of the handle.
  • the drum is already rotating.
  • a first actuation phase if the movement of the operating handle 2 is regular then an acceleration of the rotation of the drum 1 is observed and thereby an increase in the rotational ratio R.
  • a second phase if the movement of the operating handle 2 is regular then the rotational speed of the drum has a tendency to stabilize substantially.
  • said rocker and said teeth have specific shapes and specially studied.
  • optimal operation is achieved by minimizing the distance between the second and third axis of rotation Z2Z3. Reducing said distance makes it possible to avoid a deceleration at the end of the movement and consequently a tactile sensation of relaxation of the motor.
  • the operating handle 2 comprises a guide pin 21 for limiting the rotational travel of the operating handle 2 between the first and second operating position.
  • This lug is positioned in a guide opening 61.
  • Said guide opening is integral with the frame and is preferably positioned in a support flange 6 secured to the frame 5.
  • the guide opening 61 extends in a circular arc having for center the first axis of rotation Z1. Said pin can then move in a rotational movement between the first and the second operating position. At each operating position, said lug is abutting against the ends of the guide opening 61.
  • the size of the circular arc conditions the amplitude of the movement of the operating handle 2.
  • the arc of circle is equal to 60 °.
  • the operating handle 2 comprises a telescopic arm, the guide pin 21 being carried on a movable portion of the telescopic arm 22.
  • the guide opening 61 extends from one end of the telescopic arm 22. arc in a radial direction relative to the first axis of rotation Z1. The axial displacement of the movable section towards said axis of rotation causes the displacement of the guide pin in the guide opening 61 to a locking position.
  • the guide pin 21 is then guided in translation in the locking position.
  • a locking pin 25 positioned on the movable portion of the telescopic arm 22 is placed between two locking tabs 38 to block any movement of said handle 2 and the drum 1.
  • the drum preferably comprises a plurality of locking tabs 38 arranged uniformly on a circle having as a center the second axis of rotation Z2.
  • the device comprises disengagement means 100 for releasing the rotary ratchet rocker 32 of the toothed pinion 31.
  • the actuation of the disengagement means 100 prevents the drum from rotating between the second and first positions. operating by the operating handle 2.
  • the winding device comprises a hooking system to ensure a stable position of the winding device on a support such as including the bars 570 of a scale.
  • said system comprises a first element having a hooking zone 580 of a bar 570.
  • the hooking zone 580 is preferably delimited by an upper stop 540 and a lower stop 530.
  • said stops 540 530 are projecting from the tube constituting the frame 5 of the winding device.
  • the space separating the two stops 530, 540 is substantially equal to the section of a bar 570 scale.
  • Said hooking system comprises a second element 520 allowing a locking of the winding device on the support, in particular on the bar 570.
  • the second element comprises a retractable elastic arm projecting relative to the first element so that it retracts when the winding device comes picking the bar 570 and that it folds behind said bar to ensure a secure hooking.
  • the center of gravity of the winding device is advantageously placed so that an area of the frame 5 of the winding device can rest on the back of the ladder in a stable position.

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  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention est relative à un dispositif d'enroulement à commande manuelle comprenant une poignée de manoeuvre montée en rotation autour d'un premier axe de rotation solidaire d'un bâti. Un tambour est actionné en rotation par ladite poignée par l'intermédiaire d'un mécanisme d'entrainement comprenant des moyens d'encliquetage ayant un basculeur à cliquet rotatif. Ledit basculeur est destiné à coopérer avec un pignon denté assujetti au tambour pour l'entrainer en rotation par oscillation de la poignée de manoeuvre. Ledit pignon et ledit tambour sont montés en rotation autour d'un second axe de rotation solidaire du bâti.The invention relates to a manually operated winding device comprising an operating handle rotatably mounted about a first axis of rotation integral with a frame. A drum is rotated by said handle through a drive mechanism including latching means having a rotatable ratchet. Said rocker is intended to cooperate with a toothed pinion attached to the drum to drive it in rotation by oscillation of the operating handle. Said pinion and said drum are mounted in rotation about a second axis of rotation integral with the frame.

ETAT DE LA TECHNIQUESTATE OF THE ART

L'utilisation d'un tambour pour enrouler un matériau tel que du câble électrique ou du tuyau est largement répandue. Le tambour est généralement monté sur un axe de rotation fixé à un socle ou un bâti.The use of a drum for winding a material such as electric cable or pipe is widespread. The drum is generally mounted on an axis of rotation fixed to a base or a frame.

Lorsque le tambour est à commande manuelle, le déroulement ou dévidage du câble se fait généralement en tirant directement sur le câble. En outre, concernant l'enroulement du câble sur le tambour, plusieurs solutions connues s'offrent à l'utilisateur.When the drum is manually operated, unwinding or unwinding the cable is usually done by pulling directly on the cable. In addition, concerning the winding of the cable on the drum, several known solutions are available to the user.

Une première solution consiste à équiper l'enrouleur manuel de moyens élastiques de rappel. Ces moyens élastiques de rappel sont armés lorsque le câble est déroulé du tambour. Un système à cliquer permet d'éviter que le câble s'enroule malencontreusement sous l'effet des moyens élastiques. L'enrouleur comporte en outre des moyens de déverrouillage du système à cliquer autorisant l'enroulement contrôlé du fil sur le tambour. Ce type d'enrouleur est généralement fixé sur un support afin que l'utilisateur puisse tirer le câble en exerçant une force suffisante pour s'opposer à celle des moyens élastiques. Ce type d'enrouleur présente ainsi l'inconvénient d'être non transportable facilement et d'être relativement lourd. En outre, de part la limite élastique du ressort et de l'encombrement du système, cette solution est utilisée pour de faible longueur de câble.A first solution consists in equipping the manual winder with elastic return means. These elastic return means are armed when the cable is unrolled from the drum. A click system prevents the cable wraps inadvertently under the effect of the elastic means. The reel further comprises unlocking means of the click system allowing the controlled winding of the wire on the drum. This type of retractor is generally fixed on a support so that the user can pull the cable by exerting a force sufficient to oppose that of the elastic means. This type of reel thus has the disadvantage of being non-transportable easily and being relatively heavy. In addition, from the elastic limit of the spring and the size of the system, this solution is used for short cable length.

Une seconde solution consiste à actionner manuellement la rotation du tambour pour enrouler le câble sur le tambour. Le tambour comporte généralement une poignée plus ou moins ergonomique fixée directement sur une face dudit tambour. L'utilisateur actionne entraine manuellement et directement la rotation du tambour autour de son axe de rotation via la poignée. La poignée étant placée de préférence sur la périphérie du tambour, cela oblige l'utilisateur a effectué des mouvements de rotation de main et du bras. Cette seconde solution est particulière utilisé lorsque l'enrouleur manuel est transportable.A second solution is to manually actuate the rotation of the drum to wind the cable on the drum. The drum generally comprises a more or less ergonomic handle attached directly to a face of said drum. The user activates manually and directly the rotation of the drum about its axis of rotation via the handle. The handle being preferably placed on the periphery of the drum, this forces the user to perform hand and arm rotation movements. This second solution is particularly used when the manual winder is transportable.

D'autres solutions existent pour résoudre les problématiques d'enroulement mais elles sont peu robustes vis-à-vis des conditions d'utilisations difficiles car elles sont réalisées avec des mécanismes sensibles. La corde collecte la poussière est coince rapidement le mécanisme.Other solutions exist to solve winding problems but they are not very robust with regard to the difficult conditions of use because they are made with sensitive mechanisms. The rope collecting the dust is quickly jamming the mechanism.

Le document US 2 755 035 décrit un dispositif d'enroulement à commande manuelle, selon le préambule de la revendication 1.The document US 2,755,035 discloses a manually operated winding device according to the preamble of claim 1.

EXPOSE DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention vise donc à remédier aux inconvénients de l'état de la technique, de manière à proposer un dispositif d'enroulement à commande manuelle comportant des moyens d'enroulement fiables et efficaces.The invention therefore aims to overcome the drawbacks of the state of the art, so as to provide a manually controlled winding device comprising reliable and effective winding means.

Le mécanisme d'entrainement selon l'invention comporte des moyens d'entrainement intermédiaires du basculeur à cliquet rotatif, lesdits moyens intermédiaires étant montés en rotation autour d'un troisième axe de rotation fixe et étant entrainés en rotation par la poignée de manoeuvre. Le basculeur à cliquet rotatif est monté en rotation autour d'un quatrième axe de rotation mobile et étant solidaire des moyens d'entrainement intermédiaires. Les quatre axes de rotation sont parallèles, les premier, second et troisième axes de rotation étant disposés dans un même plan et le troisième axe de rotation étant placé entre deux autres. La position relative du quatrième axe de rotation vis-à-vis des premier, second et troisième axes de rotation détermine un rapport de rotation entre l'angle de rotation de la poignée de manoeuvre et l'angle de rotation du tambour.The drive mechanism according to the invention comprises means for intermediate drive of the rotary ratchet rocker, said intermediate means being rotatably mounted about a third axis of fixed rotation and being rotated by the operating handle. The rotating ratchet rocker is rotatably mounted about a fourth movable axis of rotation and is integral with the intermediate drive means. The four axes of rotation are parallel, the first, second and third axes of rotation being arranged in the same plane and the third axis of rotation being placed between two others. The relative position of the fourth axis of rotation with respect to the first, second and third axes of rotation determines a rotational ratio between the angle of rotation of the operating handle and the rotation angle of the drum.

Selon un mode de développement de l'invention, le rapport de rotation est supérieur à 1 si la distance entre le premier et quatrième axe de rotation est supérieure à la distance entre les premier et second axes de rotation, la distance entre les second et troisième axes de rotations étant fixes.According to a development mode of the invention, the rotation ratio is greater than 1 if the distance between the first and fourth axis of rotation is greater than the distance between the first and second axes of rotation, the distance between the second and third axes of rotation being fixed.

Avantageusement, la poignée de manoeuvre comporte un ergot de guidage pouvant se déplacer dans une ouverture de guidage solidaire du bâti, l'ouverture de guidage s'étend selon un arc de cercle ayant pour centre le premier axe de rotation.Advantageously, the operating handle comprises a guide pin that can move in a guide aperture integral with the frame, the guide opening extends in a circular arc having the center of the first axis of rotation.

De préférence, l'ouverture de guidage est positionnée dans un flasque de support solidaire du bâti.Preferably, the guide opening is positioned in a support flange integral with the frame.

Selon un mode particulier de réalisation, la poignée de manoeuvre comporte un bras télescopique, l'ergot de guidage étant porté sur un tronçon mobile du bras télescopique et étant guidée en translation dans une position de verrouillage pour bloquer la rotation de la dite poignée et du tambour.According to a particular embodiment, the operating handle comprises a telescopic arm, the guide pin being carried on a movable section of the telescopic arm and being guided in translation in a locking position to block the rotation of said handle and the drum.

Avantageusement, l'ouverture de guidage s'étend depuis une extrémité de l'arc de cercle selon une direction radiale en direction du premier axe de rotation.Advantageously, the guide opening extends from one end of the arc in a radial direction towards the first axis of rotation.

De préférence, la poignée de manoeuvre comporte des moyens de débrayage destinés à libérer le basculeur à cliquet rotatif du pignon denté de manière à ce que la poignée de manoeuvre n'entraine plus en rotation le tambour.Preferably, the operating handle comprises disengaging means for releasing the rotary ratchet of the toothed pinion so that the operating handle no longer rotates the drum.

De préférence, le basculeur à cliquet rotatif présente un ressort de rappel dont l'une des extrémités est solidaire des moyens d'entrainement intermédiaires et l'autre extrémité du basculeur à cliquet rotatif, le ressort de rappel étant destiné à pousser le basculeur à cliquet rotatif vers le pignon denté de manière à engrener une dent dudit pignon lorsque la poignée de manoeuvre oscille d'une première vers une seconde position.Preferably, the rotary ratchet rocker has a return spring whose one end is secured to the intermediate drive means and the other end of the rotary ratchet rocker, the return spring being intended to push the ratchet rocker rotatable to the toothed pinion so as to engage a tooth of said pinion when the operating handle oscillates from a first to a second position.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode particulier de réalisation de l'invention, donné à titre d'exemple non limitatif, et représenté aux dessins annexés sur lesquels :

  • La figure 1 représente une vue de coté d'un dispositif d'enroulement à commande manuelle selon un mode préférentiel de réalisation de l'invention ;
  • La figure 2 représente une vue en perspective du dispositif d'enroulement à commande manuelle selon la figure 1 ;
  • Les figures 3 et 4 représentent des vues éclatées en perspective de moyens d'entrainement du dispositif d'enroulement selon la figure 1 ;
  • Les figures 5 et 6 représentent des vues en perspective d'un dispositif d'enroulement selon un mode préférentiel de réalisation de l'invention ;
  • La figure 7 représente un vue d'un dispositif d'enroulement selon l'invention positionné sur un support.
Other advantages and features will emerge more clearly from the following description of a particular embodiment of the invention, given by way of non-limiting example, and represented in the accompanying drawings in which:
  • The figure 1 represents a side view of a manually controlled winding device according to a preferred embodiment of the invention;
  • The figure 2 represents a perspective view of the manually operated winding device according to the figure 1 ;
  • The Figures 3 and 4 represent exploded perspective views of driving means of the winding device according to the figure 1 ;
  • The Figures 5 and 6 represent perspective views of a winding device according to a preferred embodiment of the invention;
  • The figure 7 represents a view of a winding device according to the invention positioned on a support.

DESCRIPTION DETAILLEE D'UN MODE DE REALISATIONDETAILED DESCRIPTION OF AN EMBODIMENT

Selon un mode de réalisation de l'invention, le dispositif d'enroulement à commande manuelle d'un élément enroulable comporte un tambour 1 monté en rotation sur un bâti 5. Le tambour 1 est monté en rotation autour d'un second axe de rotation Z2 solidaire du bâti 5.According to one embodiment of the invention, the manually-operated winding device of a roll-up element comprises a drum 1 rotatably mounted on a frame 5. The drum 1 is rotatably mounted about a second axis of rotation Z2 secured to the frame 5.

Selon un mode particulier de réalisation tel que représenté sur les figures 1 et 2, le bâti 5 est constitué un tube plié comportant au moins une zone d'assise, une zone de fixation du tambour 1 et une zone d'accrochage. La zone d'assise est destinée à reposer sur le sol et comporte au moins deux surfaces d'appui distantes l'une de l'autre et reliées entre elles par une section de tube ; ladite section de tube reliant les surfaces d'appui n'étant pas au contact du sol lorsque le dispositif d'enroulement est posé. Ce pliage spécifique du tube au niveau des surfaces d'appui permet de garantir une bonne stabilité du dispositif d'enroulement lorsque ce dernier est placé sur une surface non plane. La zone de fixation du tambour autorise un emboitement dudit tambour 1. Le second axe de rotation Z2 est matérialisé soit par un axe indépendant fixé sur le tube plié du bâti, soit par une partie du tube plié. Dans le second cas, le tambour peut comporter en son centre un trou oblong 55 pour autoriser son montage.According to a particular embodiment as represented on the Figures 1 and 2 , the frame 5 is constituted by a folded tube comprising at least one seating area, a fixing zone of the drum 1 and an attachment zone. The seating area is intended to rest on the ground and comprises at least two support surfaces spaced apart from each other and interconnected by a section of tube; said tube section connecting the bearing surfaces not in contact with the ground when the winding device is set. This specific bending of the tube at the bearing surfaces makes it possible to guarantee good stability of the winding device when the latter is placed on a non-planar surface. The drum attachment zone allows a nesting of said drum 1. The second axis of rotation Z2 is materialized either by an independent axis fixed on the bent tube of the frame, or by a portion of the bent tube. In the second case, the drum may comprise in its center an oblong hole 55 to allow its mounting.

La zone d'accrochage 300 présente la forme d'une poignée autorisant le transport du dispositif d'enroulement. Selon un mode de développement de l'invention tel que représenté sur les figures 1 et 2, le tube plié présente l'originalité de remontée vers la poignée de manoeuvre 2 sur l'axe médian du tambour. Ce pliage permet de créer une poignée de transport. Les poignées de transport et de manoeuvre 2 sont alors placées à l'aplomb du dispositif d'enroulement lors des manoeuvres.The attachment zone 300 has the shape of a handle allowing the transport of the winding device. According to a development mode of the invention as represented on the Figures 1 and 2 , the folded tube has the originality of rising to the operating handle 2 on the central axis of the drum. This folding creates a transport handle. The transport handles and maneuver 2 are then placed vertically above the winding device during maneuvers.

Le dispositif d'enroulement comprend une poignée de manoeuvre 2 montée en rotation autour d'un premier axe de rotation Z1 fixe. Le tambour 1 est actionné en rotation par ladite poignée par l'intermédiaire d'un mécanisme d'entrainement. Ledit premier axe de rotation est solidaire du bâti 5. Selon un mode particulier de réalisation, ledit premier axe peut être solidaire du bâti 5 par l'intermédiaire d'un flasque 6.The winding device comprises an operating handle 2 rotatably mounted about a first fixed axis of rotation Z1. The drum 1 is actuated in rotation by said handle via a drive mechanism. Said first axis of rotation is integral with the frame 5. According to a particular embodiment, said first axis can be secured to the frame 5 by means of a flange 6.

Ledit mécanisme d'entrainement comprend des moyens d'encliquetage comportant un pignon denté 31 assujetti directement ou indirectement au tambour 1. Ledit pignon comporte des dents 36 réparties sur une face radiale du tambour 1. Ledit pignon et le tambour sont montés en rotation autour du second axe de rotation Z2 solidaire du bâti 5.Said drive mechanism comprises latching means comprising a pinion gear 31 secured directly or indirectly to the drum 1. Said pinion has teeth 36 distributed on a radial face of the drum 1. Said pinion and the drum are mounted in rotation about the second axis of rotation Z2 integral with the frame 5.

Selon un mode particulier de réalisation de l'invention représenté sur la figure 1, le pignon denté 31 est assujetti directement au tambour 1. En pratique, le tambour est réalisé en plastique moulé et les dents 36 sont moulées concomitamment avec le tambour et fond donc partie du tambour 1.According to a particular embodiment of the invention shown in the figure 1 , the toothed pinion 31 is directly attached to the drum 1. In practice, the drum is made of molded plastic and the teeth 36 are molded concomitantly with the drum and therefore part of the drum 1.

Les moyens d'encliquetage comportent en outre un basculeur à cliquet rotatif 32 destiné à coopérer avec le pignon denté 31 pour l'entrainer en rotation par oscillation de la poignée de manoeuvre 2 entre une première et une seconde position de fonctionnement.The latching means further comprise a rotary ratchet rocker 32 intended to cooperate with the pinion gear 31 to drive it in rotation by oscillation of the operating handle 2 between a first and a second operating position.

Selon un mode préférentiel de réalisation de l'invention tel que représenté sur les figures 1, 3 et 4, le mécanisme d'entrainement comporte des moyens d'entrainement intermédiaires 34 du basculeur à cliquet rotatif 32. Lesdits moyens d'entrainement intermédiaires 34 sont montés en rotation autour d'un troisième axe de rotation Z3 fixe et sont entrainés en rotation par la poignée de manoeuvre 2. Le basculeur à cliquet rotatif 32 est solidaire des moyens d'entrainement intermédiaires rotatif 34. Ledit basculeur est alors monté en rotation au moins partielle autour d'un quatrième axe de rotation Z4 mobile.According to a preferred embodiment of the invention as represented on the figures 1 , 3 and 4 , the drive mechanism comprises intermediate drive means 34 of the rotary ratchet rocker 32. Said intermediate drive means 34 are rotatably mounted about a third axis of rotation Z3 fixed and are rotated by the handle maneuver 2. The rotary ratchet rocker 32 is secured to the rotary intermediate drive means 34. Said rocker is then rotated at least partially around a fourth axis of rotation Z4 mobile.

Le basculeur à cliquet rotatif 32 comporte un premier cran destiné à collaborer avec des dents 36 du pignon denté. Le basculeur à cliquet rotatif 32 présente un ressort de rappel 33 dont l'une des extrémités est solidaire des moyens d'entrainement intermédiaires 34 et l'autre du basculeur à cliquet rotatif 32. Le ressort de rappel 33 est destiné à pousser le basculeur à cliquet rotatif 32 vers le pignon denté 31 de manière à engrener une dent 36 dudit pignon 31 lorsque la poignée de manoeuvre 2 oscille d'une première vers une seconde position de fonctionnement.The rotary ratchet rocker 32 comprises a first notch intended to collaborate with teeth 36 of the pinion gear. The rotary ratchet rocker 32 has a return spring 33, one end of which is integral with the intermediate drive means 34 and the other of the rotary ratchet rocker 32. The return spring 33 is intended to push the rocker to rotary ratchet 32 towards the toothed pinion 31 so as to engage a tooth 36 of said pinion 31 when the operating handle 2 oscillates from a first to a second operating position.

Les premier, second et troisième axes de rotation Z1, Z2, Z3 sont disposés dans un même plan et le troisième axe de rotation Z3 est de préférence placé entre deux autres axes. Les quatre axes de rotation Z1, Z2, Z3, Z4 sont avantageusement parallèles.The first, second and third axes of rotation Z1, Z2, Z3 are arranged in the same plane and the third axis of rotation Z3 is preferably placed between two other axes. The four axes of rotation Z1, Z2, Z3, Z4 are advantageously parallel.

Selon un mode préférentiel de réalisation de l'invention, le troisième axe de rotation Z3 est séparé du second axe de rotation Z2 par une distance Z1Z2. En outre, la position relative du quatrième axe de rotation Z4 vis-à-vis des premier, second et troisième axes de rotation Z1, Z2, Z3 détermine un rapport de rotation R entre l'angle de rotation de la poignée de manoeuvre 2 et l'angle de rotation du tambour 1. Le rapport de rotation R est supérieur à un (R>1) si la distance Z1 Z4 entre le premier et quatrième axe de rotation est supérieure à la distance Z1Z2 entre les premier et second axes de rotation, la longueur du basculeur à cliquet étant fixe et la distance entre les second et troisième axes de rotations Z2 et Z3 étant fixes. Le mouvement de la poignée de manoeuvre 2 est alors démultiplié.According to a preferred embodiment of the invention, the third axis of rotation Z3 is separated from the second axis of rotation Z2 by a distance Z1Z2. In addition, the relative position of the fourth axis of rotation Z4 vis-à-vis the first, second and third axes of rotation Z1, Z2, Z3 determines a rotational ratio R between the angle of rotation of the operating handle 2 and the rotation angle of the drum 1. The rotational ratio R is greater than one (R> 1) if the distance Z1 Z4 between the first and fourth axes of rotation is greater than the distance Z1Z2 between the first and second axes of rotation , the length of the ratchet rocker being fixed and the distance between the second and third axes of rotation Z2 and Z3 being fixed. The movement of the operating handle 2 is then multiplied.

Inversement, le rapport de rotation R est inférieur à un (R<1) si la distance Z1Z4 entre le premier et quatrième axe de rotation est inférieure à la distance Z1Z2 entre les premier et second axes de rotation. Le mouvement de la poignée de manoeuvre est alors sousmultiplié.Conversely, the rotational ratio R is less than one (R <1) if the distance Z1Z4 between the first and fourth axes of rotation is smaller than the distance Z1Z2 between the first and second axes of rotation. The movement of the operating handle is then under-multiplied.

Le fonctionnement du dispositif d'enroulement à commande manuelle est le suivant. Lorsque la poignée de manoeuvre 2 est actionnée une première fois et se déplace de la première à la seconde position de fonctionnement, le tambour 1 est alors entrainé en rotation. Du fait de l'inertie du tambour et du fait qu'il soit monté librement sur le second axe de rotation Z2, ce mouvement de rotation se poursuit à la fin de la première course de déplacement de la poignée. Lorsque la poignée de manoeuvre 2 débute un deuxième déplacement entre la première position et la seconde position, le tambour est déjà en rotation. Ainsi, dans une première phase d'actionnement, si le mouvement de la poignée de manoeuvre 2 est régulier alors on observe une accélération de la rotation du tambour 1 et de ce fait une augmentation du rapport de rotation R. Dans une seconde phase, si le mouvement de la poignée de manoeuvre 2 est régulier alors la vitesse de rotation du tambour a sensiblement tendance à se stabiliser.The operation of the manually operated winding device is as follows. When the operating handle 2 is actuated a first time and moves from the first to the second operating position, the drum 1 is then rotated. Due to the inertia of the drum and the fact that it is freely mounted on the second axis of rotation Z2, this rotational movement continues at the end of the first movement of the handle. When the operating handle 2 starts a second movement between the first position and the second position, the drum is already rotating. Thus, in a first actuation phase, if the movement of the operating handle 2 is regular then an acceleration of the rotation of the drum 1 is observed and thereby an increase in the rotational ratio R. In a second phase, if the movement of the operating handle 2 is regular then the rotational speed of the drum has a tendency to stabilize substantially.

Afin d'assurer le fonctionnement d'autoriser un glissement optimal du basculeur à cliquet 32 sur les dents 36 en fin de course, ledit basculeur et lesdites dents possèdent des formes spécifiques et spécialement étudiées.In order to ensure the operation to allow an optimal sliding of the ratchet rocker 32 on the teeth 36 at the end of stroke, said rocker and said teeth have specific shapes and specially studied.

Dans un mode de réalisation non limitatif, un fonctionnement optimal est obtenu en réduisant au maximum la distance entre le second et troisième axe de rotation Z2Z3. Le fait de réduire ladite distance permet d'éviter une décélération en fin de mouvement et par conséquence une sensation tactile de relâchement de la motricité.In a non-limiting embodiment, optimal operation is achieved by minimizing the distance between the second and third axis of rotation Z2Z3. Reducing said distance makes it possible to avoid a deceleration at the end of the movement and consequently a tactile sensation of relaxation of the motor.

Selon un mode particulier de réalisation tel que représenté sur la figure 3, la poignée de manoeuvre 2 comporte un ergot de guidage 21 destiné à limiter la course en rotation de la poignée de manoeuvre 2 entre la première et seconde position de fonctionnement. Cet ergot est positionné dans une ouverture de guidage 61. Ladite ouverture de guidage est solidaire du bâti et est de préférence positionnée dans un flasque de support 6 solidaire du bâti 5. L'ouverture de guidage 61 s'étend selon un arc de cercle ayant pour centre le premier axe de rotation Z1. Ledit ergot peut alors se déplacer dans un mouvement de rotation entre la première et la seconde position de fonctionnement. A chaque position de fonctionnent, ledit ergot est en buter contre les extrémités de l'ouverture de guidage 61. La taille de l'arc de cercle conditionne l'amplitude du mouvement de la poignée de manoeuvre 2. A titre d'exemple de réalisation, l'arc de cercle est égal à 60°.According to a particular embodiment as shown in the figure 3 , the operating handle 2 comprises a guide pin 21 for limiting the rotational travel of the operating handle 2 between the first and second operating position. This lug is positioned in a guide opening 61. Said guide opening is integral with the frame and is preferably positioned in a support flange 6 secured to the frame 5. The guide opening 61 extends in a circular arc having for center the first axis of rotation Z1. Said pin can then move in a rotational movement between the first and the second operating position. At each operating position, said lug is abutting against the ends of the guide opening 61. The size of the circular arc conditions the amplitude of the movement of the operating handle 2. As an example of embodiment , the arc of circle is equal to 60 °.

Selon une variante de réalisation, la poignée de manoeuvre 2 comporte un bras télescopique, l'ergot de guidage 21 étant porté sur un tronçon mobile du bras télescopique 22. En outre, l'ouverture de guidage 61 s'étend depuis une extrémité de l'arc de cercle selon une direction radiale par rapport au premier axe de rotation Z1. Le déplacement axial du tronçon mobile en direction dudit axe de rotation entraine le déplacement de l'ergot de guidage dans l'ouverture de guidage 61 vers une position de verrouillage. L'ergot de guidage 21 est alors guidé en translation dans la position de verrouillage. Concomitamment, un ergot de blocage 25 positionné sur le tronçon mobile du bras télescopique 22 se place entre deux taquets de blocage 38 pour bloquer tout mouvement de la dite poignée 2 et du tambour 1. Comme représenté sur la figure 3, le tambour comporte de préférence plusieurs taquets de blocage 38 disposés uniformément sur un cercle ayant pour centre le second axe de rotation Z2.According to an alternative embodiment, the operating handle 2 comprises a telescopic arm, the guide pin 21 being carried on a movable portion of the telescopic arm 22. In addition, the guide opening 61 extends from one end of the telescopic arm 22. arc in a radial direction relative to the first axis of rotation Z1. The axial displacement of the movable section towards said axis of rotation causes the displacement of the guide pin in the guide opening 61 to a locking position. The guide pin 21 is then guided in translation in the locking position. Concomitantly, a locking pin 25 positioned on the movable portion of the telescopic arm 22 is placed between two locking tabs 38 to block any movement of said handle 2 and the drum 1. As shown in FIG. figure 3 , the drum preferably comprises a plurality of locking tabs 38 arranged uniformly on a circle having as a center the second axis of rotation Z2.

Selon un mode particulier de réalisation, le dispositif comporte des moyens de débrayage 100 destinés à libérer le basculeur à cliquet rotatif 32 du pignon denté 31. L'actionnement des moyens de débrayage 100 interdit la mise en rotation du tambour entre la seconde et première position de fonctionnement par la poignée de manoeuvre 2.According to a particular embodiment, the device comprises disengagement means 100 for releasing the rotary ratchet rocker 32 of the toothed pinion 31. The actuation of the disengagement means 100 prevents the drum from rotating between the second and first positions. operating by the operating handle 2.

Selon un mode particulier de réalisation, le dispositif d'enroulement comporte un système de crochetage pour assurer une position stable du dispositif d'enroulement sur un support tel que notamment des barreaux 570 d'une échelle. Comme représenté sur les figures 6 et 7, ledit système comporte un premier élément ayant une zone de crochetage 580 d'un barreau 570. La zone de crochetage 580 est de préférence délimitée par une butée haute 540 et une butée basse 530. A titre d'exemple de réalisation, lesdites butées 540, 530 sont placées en saillie du tube constituant le bâti 5 du dispositif d'enroulement. L'espace séparant les deux butées 530, 540 est sensiblement égale à la section d'un barreau 570 d'échelle. Ledit système de crochetage comporte un second élément 520 autorisant un verrouillage du dispositif d'enroulement sur le support, notamment sur le barreau 570. A titre d'exemple de réalisation, le second élément comporte un bras élastique escamotable placé en saillie par rapport au premier élément de manière à ce qu'il s'escamote lorsque le dispositif d'enroulement vient crocheter le barreau 570 et qu'il se rabatte derrière ledit barreau pour assurer un accrochage sécurisé. Enfin le centre de gravité du dispositif d'enroulement est avantageusement placé de manière à ce qu'une zone du bâti 5 du dispositif d'enroulement puisse reposer sur le verso de l'échelle dans une position stable.According to a particular embodiment, the winding device comprises a hooking system to ensure a stable position of the winding device on a support such as including the bars 570 of a scale. As shown on figures 6 and 7 said system comprises a first element having a hooking zone 580 of a bar 570. The hooking zone 580 is preferably delimited by an upper stop 540 and a lower stop 530. By way of example embodiment, said stops 540 530 are projecting from the tube constituting the frame 5 of the winding device. The space separating the two stops 530, 540 is substantially equal to the section of a bar 570 scale. Said hooking system comprises a second element 520 allowing a locking of the winding device on the support, in particular on the bar 570. As an example of embodiment, the second element comprises a retractable elastic arm projecting relative to the first element so that it retracts when the winding device comes picking the bar 570 and that it folds behind said bar to ensure a secure hooking. Finally, the center of gravity of the winding device is advantageously placed so that an area of the frame 5 of the winding device can rest on the back of the ladder in a stable position.

Claims (8)

  1. A winding device with manual control comprising:
    - an operating handle (2) mounted rotating around a first axis of rotation (Z1) securedly attached to a frame (5),
    - a drum (1) actuated in rotation by said handle by means of a drive mechanism comprising clip-fastening means having a rotary ratchet rocker arm (32) designed to collaborate with a cog-wheel (31) securedly attached to the drum (1) to drive it in rotation by oscillation of the operating handle (2), said cog-wheel and said drum being fitted rotating around the second axis of rotation (Z2) securedly attached to the frame (5),
    characterized in that the drive mechanism comprise intermediate drive means (34) of the rotary ratchet rocker arm (32), said intermediate means being fitted rotating around a fixed third axis of rotation (Z3) and being driven in rotation by the operating handle,
    - the rotary ratchet rocker arm (32) being mounted rotating around a mobile fourth axis of rotation (Z4) and being securedly attached to the intermediate drive means (34),
    - the four axes of rotation (Z1, Z2, Z3, Z4) being parallel, the first, second and third axes of rotation (Z1, Z2, Z3) being located in the same plane and the third axis of rotation (Z3) being placed between the first and second axes (Z1, Z2),
    - the relative position of the fourth axis of rotation (Z4) with respect to the first, second and third axes of rotation (Z1, Z2, Z3) determining a rotation ratio (R) between the angle of rotation of the operating handle (2) and the angle of rotation of the drum (1).
  2. The winding device with manual control according to claim 1, characterized in that the rotation ratio (R) is more than 1 if the distance (Z1Z4) between the first and fourth axis of rotation is greater than the distance (Z1Z2) between the first and second axes of rotation, the distance between the second and third axes of rotation (Z2) and (Z3) being fixed.
  3. The winding device with manual control according to claim 1 or 2, characterized in that the operating handle (2) comprises a guide pin (21) being able to move in a guiding opening (61) securedly attached to the frame (5), the guiding opening (61) extending according to an arc of a circle the centre of which is formed by the first axis of rotation (Z1).
  4. The winding device with manual control according to claim 3, characterized in that the guiding opening (61) is positioned in a support flange (6) securedly attached to the frame (5).
  5. The winding device with manual control according to claim 3 or 4, characterized in that the operating handle (2) comprises a telescopic arm (22), the guide pin (21) being supported on a movable section of the telescopic arm (22) and being guided in translation in a locked position to disable rotation of said handle (2) and of the drum (1).
  6. The winding device with manual control according to claim 5, characterized in that the guiding opening (61) extends from one end of the arc of the circle in a radial direction in the direction of the first axis of rotation (Z1).
  7. The winding device with manual control according to one of the foregoing claims, characterized in that the operating handle (2) comprises disengagement means (100) designed to release the rotary ratchet rocker arm (32) from the cog-wheel (31) so that the operating handle (2) no longer drives the drum (1) in rotation.
  8. The winding device with manual control according to one of the foregoing claims, characterized in that the rotary ratchet rocker arm (32) presents a biasing spring (33) having one end securedly attached to the intermediate drive means (34) and the other end securedly attached to the rotary ratchet rocker arm (32), the biasing spring (33) being designed to push the rotary ratchet rocker arm (32) towards the cog-wheel (31) so as to engage a tooth of said cog-wheel when the operating handle oscillates from a first to a second position.
EP20100354057 2009-11-05 2010-10-01 Winding device with manual actuation Active EP2319790B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0905302A FR2952045B1 (en) 2009-11-05 2009-11-05 MANUAL CONTROL WINDING DEVICE

Publications (2)

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EP2319790A1 EP2319790A1 (en) 2011-05-11
EP2319790B1 true EP2319790B1 (en) 2013-08-07

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EP20100354057 Active EP2319790B1 (en) 2009-11-05 2010-10-01 Winding device with manual actuation

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EP (1) EP2319790B1 (en)
ES (1) ES2428850T3 (en)
FR (1) FR2952045B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107381253A (en) * 2017-08-10 2017-11-24 国网湖北省电力公司武汉市江夏区供电公司 A kind of portable power source automatic line receiver

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191422190A (en) * 1914-11-07 1915-08-12 Tom Bass O'brien A New or Improved Machine for Hauling, Lifting and other analogous purposes.
US2363138A (en) * 1943-07-15 1944-11-21 Schuler Engineering Company Reversible hand-operated windlass
US2755035A (en) * 1954-05-14 1956-07-17 Harry H Moulder Combined hose reel and sprinkler
US4045001A (en) * 1975-07-10 1977-08-30 Harvey Jr Thomas G Pumping ratchet winch
JP3824501B2 (en) * 2001-05-16 2006-09-20 Ｎｔｎ株式会社 Winding unit
EP1680344A1 (en) * 2003-10-09 2006-07-19 Great Stuff, Inc. Hand crank assembly for a reel
CN2900445Y (en) * 2006-05-09 2007-05-16 黄健 Tubular line winder

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EP2319790A1 (en) 2011-05-11
ES2428850T3 (en) 2013-11-11
FR2952045A1 (en) 2011-05-06
FR2952045B1 (en) 2011-11-11

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