EP2965647B1 - Device for winding and ratchet locking of a drawstring - Google Patents

Device for winding and ratchet locking of a drawstring Download PDF

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Publication number
EP2965647B1
EP2965647B1 EP15001861.2A EP15001861A EP2965647B1 EP 2965647 B1 EP2965647 B1 EP 2965647B1 EP 15001861 A EP15001861 A EP 15001861A EP 2965647 B1 EP2965647 B1 EP 2965647B1
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EP
European Patent Office
Prior art keywords
bar
fixed support
retention portion
thumb wheel
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15001861.2A
Other languages
German (de)
French (fr)
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EP2965647A1 (en
Inventor
Adeline Grenet
Duncan Ledingham
Charly Signori
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.)
Mavic SAS
Original Assignee
Mavic SAS
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Filing date
Publication date
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Publication of EP2965647A1 publication Critical patent/EP2965647A1/en
Application granted granted Critical
Publication of EP2965647B1 publication Critical patent/EP2965647B1/en
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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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/16—Fastenings secured by wire, bolts, or the like
    • A43C11/165—Fastenings secured by wire, bolts, or the like characterised by a spool, reel or pulley for winding up cables, laces or straps by rotation
    • 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
    • B65H75/4418—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means
    • B65H75/4428—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means acting on the reel or on a reel blocking mechanism
    • B65H75/4431—Manual stop or release button
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field

Definitions

  • the invention relates to a device for winding and locking a tightening lace. It finds a particular application in the field of lacing personal equipment such as clothing, shoes, helmets, protective equipment by allowing a lacing, more generally a clamping, fast and accurate.
  • the document US-A-8,468,657 discloses a device for winding and locking a lace having a coil and means for locking its rotation.
  • the locking means are constituted by three thin engagement rods secured to one end of the coil and the other end comprises a locking surface capable of being embedded in a toothing to block the rotation of the coil.
  • Each engagement rod forms a ratchet.
  • This document also shows a release surface carried by each of the engagement rods and may be brought into contact with a drive pad of the wheel in order to bend the engagement rods.
  • this system is in practice relatively fragile and not adapted to withstand high tension of the lace.
  • the fragility is further accentuated by the fact that the locking and unlocking surfaces are placed close to each other.
  • the patent IT-A-1,220,811 also discloses a device for winding and locking a lace which partially solves the problem of fragility.
  • a single massive ratchet that comes into contact with a peripheral toothing.
  • the means which make it possible to subtract the pawl from its engagement with the toothing consist of a cam surface formed on the pawl, which is placed near the axis. It is also provided a spring pushing the pawl in position.
  • the problem underlying the present invention is to design a device for winding and locking a tightening lace that is simple in design while having improved strength.
  • the contact area of the retention portion is at least as large as that provided by the device according to the state of the art closest.
  • the pawl of the device according to the present invention is urged respectively in tightening and loosening by the wheel in two different places spaced from each other: on the base carried by the first bar, on the one hand, and on the portion actuation carried by the second bar, on the other hand. There is therefore distribution of the forces on a large surface of the pawl which reduces the risk of wear and rupture of the pawl.
  • each engagement rod must be such that the wheel turning can easily bend.
  • Such a dimensioning makes it fragile and not very resistant to retaining a high tension of the lace. It follows that such a device can not be subjected to a too strong lace tension.
  • the positioning of the actuating portion on the second bar preferably at the free end of the second bar, provides a large lever arm which helps to disengage the retention portion of the complementary relief and thus allows an easy unlock.
  • the invention has any of the preceding features that can be used separately or in combination.
  • the actuating portion is disposed in the vicinity of a first end of the second bar, the second bar comprising a second end by which the second bar is secured to the first bar. This allows to have a maximum lever arm for disengagement of the retention portion of the complementary relief and thus the release of the coil.
  • the actuating portion is driven by a first integral drive member of the wheel. This allows a drive limited to the actuating portion and therefore more effective.
  • the first drive member is in the form of a drive stop pushing the actuating portion carried by the second bar for unlocking the rotation of the wheel, this thrust deforming the first bar to disengage the retention portion of the complementary relief of the fixed support.
  • the deformation of the first bar helps the thrust of the drive abutment by not opposing this thrust and decreases the friction and therefore the wear of the stop and the body.
  • the driving abutment in the tightening direction, is configured to push an actuating element integral with the spool in order to rotate the spool in this direction.
  • This drive abutment has the advantage of combining two functions, on the one hand, a thrust function on the drive member in the loosening direction and, on the other hand, a thrust function on an element of the coil in the direction of tightening. This is therefore achieved with the same element hence a decrease in the elements necessary for the operation of the winding device and also a decrease in the total weight of the device, which is important when the personal equipment must be light.
  • the retention portion is in the vicinity of a first end of the first bar, the base being in the vicinity of the second end of the first bar.
  • the base in the direction of loosening, is pushed by a second drive member secured to the wheel.
  • This characteristic relates to the second drive that the wheel exerts on the pawl at a different location from the first, which still allows a distribution of forces on the entire ratchet.
  • the pawl is secured to the coil near the base, a fork carried by the pawl surrounding a fastening element carried by or secured to the coil, the base forming one of the branches of the fork.
  • the place where the pawl is pushed by the second member is also the place of its attachment to the coil which improves the transmission of the forces of the wheel to the pawl and then to the coil.
  • the device comprises a noise element configured to rub against the inner periphery of the fixed support under the action of a rotational force exerted by a user on the wheel in the loosening direction.
  • the sounding element serves to guide the user to the sound during loosening, the retention portion not then rubbing against the inner periphery of the fixed support.
  • the noisemaker element is carried by an arm which extends from the first bar so that the deformation of the arm causes the friction of the noisy element against the inner periphery of the fixed support under the action of said rotational force exerted by a user on the wheel in the loosening direction.
  • the arm comprises a first end by which it is secured to the first bar and a second end which forms the noise element.
  • the device comprises a second drive member integral with the wheel and configured to push the base under the action of said rotational force exerted by a user on the wheel in the tightening direction, and wherein the second drive member also forms said distance stop.
  • the arm is elastically deformable, a distance stop carried by or secured to the wheel now spaced from the inner periphery of the support fixed the free end of the arm, this during tightening. This facilitates the establishment of the arm against the periphery of the fixed support so that it fulfills its role of noise during loosening and its removal from the contact with the periphery to make no noise at the end of tightening.
  • the second drive member when the base is pushed by a second drive member secured to the wheel, the second drive member also forms the distance stop.
  • the second organ performs as the first organ two functions: there is thus simplification of the device and economy of the elements to be implemented for its operation.
  • the complementary relief integral with the fixed support is formed of notches into which a respective tooth carried by the retention portion is inserted.
  • the device is configured so that in the absence of said rotational force exerted by a user on the wheel in the loosening direction, at least one tooth carried by the retention portion fits into a notch.
  • the number of teeth carried by the retention portion may be between 1 and 5.
  • the first bar has at least for its retention portion an external curvature oriented towards the fixed support corresponding to that of the inner periphery of the fixed support.
  • the first bar therefore has a configuration specifically adapted to the inner periphery of the fixed support, which increases the engagement between the retention portion and the complementary relief in the locking position of the coil.
  • the device comprises a single pawl, the single pawl can carry a single retention portion. Compared to the closest state of the art which comprises three engagement rods, this represents a simplification of the device with a saving in manufacturing time and elements that the device contains.
  • the pawl is formed integrally.
  • the base, the first and second bars, the actuating portion and the retention portion form a single piece. They are trained come matter.
  • personal equipment of the clothing, footwear, helmet or protective equipment type having at least one tightening lace, comprising for said at least one lace such a winding and locking device according to the invention.
  • the tightening thus obtained is fast and resistant in position.
  • a device for winding and locking a tightening lace for personal equipment of the clothing, footwear, helmet or protective equipment type comprising a fixed support, a rotating spool relative to at the fixed support, a wheel for driving the spool and elements for blocking the rotation of the spool characterized in that the elements for blocking the rotation of the spool comprise a pawl, said pawl comprising a base, a portion of retention disposed away from the base on a first elastically deformable bar and an actuating portion of the retention portion carried by a second bar being remote from the retention portion.
  • the present invention relates to a device for winding and locking 100 a lace 400 clamping for personal equipment type clothing, shoes, helmet, protective equipment.
  • the device 100 comprises a fixed support 200, a coil 300 rotatable relative to the fixed support 200 and intended to be connected to the lace 400.
  • the lace 400 is wound around the coil 300.
  • a first end (not shown) of lace is fixed at the fixed support, the other end 401 is fixed to the coil.
  • the first strand of the lace, linked to the first end is visible on the left on the figure 1 .
  • the second strand that goes right on the figure 1 wraps around the coil 300 so that the two strands are simultaneously tightened, respectively loosened, during the same rotation of the wheel.
  • the fixed support 200 rests on the personal equipment being attached thereto by a base 221.
  • the fixed support 200 also comprises among other elements a cylindrical portion 220 carried by the base 221.
  • the fixed support 200 may thus comprise several elements integral with each other removably or not, including a central axis 230 for a wheel, which will be described later.
  • the fixed support 200 may comprise a housing portion receiving inside the coil 300, this housing portion can be removable from the base 221. It is this housing portion that is referenced 200 to Figures 1 to 3 .
  • the device 100 also comprises a wheel 500.
  • This wheel 500 is used to drive the coil 300 in rotation.
  • the wheel 500 substantially forms the contour of the device 100 by covering it at its upper face when the device 100 is fixed on the personal equipment and having a substantially circular slice.
  • the wheel 500 rotates about a central axis 230 fixedly or non-detachably fixed support 200.
  • the wheel 500 has an inner cylindrical housing 530 to the device 100 and receiving the central axis 230.
  • the user can operate the wheel 500 by its edge or by an element carried by its upper face and projecting from this face, the latter embodiment being not shown in the figures.
  • the device 100 comprises locking elements 210, 600 of the rotation of the coil 300.
  • the locking elements 210, 600 of the rotation of the coil 300 comprise at least one pawl 600.
  • the or each pawl 600 carries a portion retention member 611 engaging with at least one complementary relief 210 carried by the fixed support 200.
  • the pawl 600 is unique and has a single retention portion 611.
  • the aforementioned housing portion of the fixed support 200 is in the form of a ring and houses inside the pawl 600 and the coil 300.
  • this housing portion being part of the support will be called fixed support 200.
  • the inner periphery of the device 100 of the fixed support 200 carries at least one notch 211, preferably several notches 211.
  • the notches 211 are distributed over the entire inner periphery of the fixed support 200.
  • Each notch 211 when facing the retention portion 611 of the pawl, forms the complementary relief 210.
  • the retention portion 611 carries at least one tooth 612 that can penetrate into said at least one notch 211 of the complementary relief 210.
  • this number of teeth 612 can vary from 1 to 5.
  • the notches 211 are inclined having a substantially radial side to the device 100, this side being oriented in the loosening direction of the coil 300.
  • the other side is inclined by so that the entrance of the notches 211 is larger than their bottom.
  • the retention portion 611 is thus configured to engage with at least the complementary relief 210 secured to the fixed support 200 in order to block the rotation of the coil 300 in the absence of a rotational force. exerted by a user on the wheel 500.
  • This retention portion 611 is also configured to allow the rotation of the coil 300 relative to the fixed support 200 under the action of a rotational force exerted by a user on the wheel 500 in a tightening direction and in a loosening direction, this by elastic deformation as will be described later.
  • the tightening direction corresponds to a rotation of the wheel 300 in the opposite direction of that of the clockwise. This sense is illustrated by the arrows Fs of the figure 1 .
  • the loosening direction corresponds to a rotation of the wheel in the direction of that of clockwise. This meaning is illustrated by the arrow Fd of the figure 3 .
  • the blocking position also referred to as blocking configuration corresponds to the case where the user does not drive the wheel 500 in rotation. In this case, the lace 400 remains blocked when traction is applied thereto.
  • the pawl comprises a first bar 610 which carries the retention portion 611.
  • This first bar 610 is elastically deformable in order to disengage the retention portion 611 of the complementary relief 210 integral with the fixed support 200 when an action of the user is transmitted to it by the wheel 500.
  • bar is meant an elongate member having two ends, this shape is not necessarily straight.
  • the first bar 610 has, on its face facing the fixed support 200, a curved shape corresponding to the curvature of the inner periphery of the fixed support 200, that at least for the retention portion 611 it carries.
  • Deformation of the first bar 610 causes disengagement of the retention portion 611 with respect to said at least one complementary relief 211 carried by the fixed support 200.
  • the actuating portion 622 is disposed away from the retention portion 611.
  • This actuating portion 622 is carried by a second bar 620.
  • the second bar 620 is attached by one of its ends to the first bar 610 in the vicinity of the retention portion 611.
  • the first and second bars 610, 620 are not in the extension of one another but form an angle of approximately 90 ° between them.
  • the second bar 620 may carry the actuating portion 622 near its free end opposite that attached to the first bar 610, this free end may for example form the actuating portion 622.
  • the pawl 600 is configured so that, in a direction of rotation of the wheel 500 corresponding to the loosening, the wheel 500 moves the actuating portion 622, said displacement of the actuating portion 622 causing the disengagement of the portion 611 of the complementary relief 210 of the fixed support 200.
  • the actuating portion 622 is moved under the action of a first drive member 510 integral with the wheel 500.
  • This first drive member 510 is configured to be rotated directly or indirectly by the wheel 500.
  • this actuating member is in the form of a first driving abutment 510.
  • the driving abutment 510 pushes the actuating portion 622 and consequently the second bar 620, which deforms the first bar 610 and disengages the retention portion 611 of the complementary relief 210 of the fixed support 200.
  • the second bar 620 can be connected to a first end of the first bar 610, the retention portion 611 being carried by the first bar 610 in the vicinity of this first end.
  • the first bar 610 of the pawl 600 carries a base 614 configured to be rotated directly or indirectly by the wheel 500 in a direction of rotation of the wheel 500 corresponding to loosening.
  • the base 614 In the loosening direction, the base 614 is pushed by a second drive member 520 integral with the wheel 500.
  • the pawl 600 via its first bar 610, is integral in rotation with the coil 300, this close to the base 614.
  • the base 614 forms one of the branches of the fork 613, this branch being the outermost to the first bar 610.
  • the fork 613 located in the vicinity of the base 614 encloses between the two branches the fixing element 320.
  • the securing element 320 transfers the rotation of the wheel 500 to the coil 300.
  • the first bar 610 is also extended by a noisemaker arm 630, the free end 631 the arm 630 rubbing against the inner periphery of the fixed support 200 under the action of a rotational force exerted by a user on the wheel 500.
  • the free end 631 can then be brought into contact with the inner periphery of the fixed support 200 carrying the notches 211 and emits a noise when the free end 631 slides against the inner periphery of the fixed support 200 carrying at least one notch 211, this for example during the action of a rotational force exerted by a user on the wheel 500 and more particularly to loosening.
  • the user can easily control the loosening done.
  • the arm 630 can be brought into contact with the inner periphery of the fixed support and then be moved away from this periphery.
  • a cavity 616 may be provided in the first bar 610 between the base 614 and the attachment of the arm 630 with the first bar 610 to provide some elasticity to the arm 630 allowing it to easily take the contact positions respectively with the fixed support 200 and away from the fixed support 200.
  • the illustrated embodiment shows a second possible function of the drive member 520 integral with the wheel 500 as a stop away from the free end 631 of the arm 630 the inner periphery of the fixed support 200, this second stop being said distance stop.
  • This distance stop 520 approaches the noisemaker arm 630 by moving away from the base 614 during clamping and prevents the free end 631 of the buzzer 630 from coming into contact with the inner periphery of the fixed support 200 and thus of make a noise when the free end 631 slides along the inner periphery by keeping this end 631 away from the periphery.
  • the user of the equipment provided with at least lace with a winding and locking device 100 according to the invention turns the wheel 500 in the direction of the clamping arrow Fs, of which only one is referenced in this figure.
  • the first and second drive members 510, 520 which are integral with the wheel 500 follow this rotation.
  • the first drive member 510 comes into abutment with the actuating element 310 integral with the coil 300 and pushes the actuating element 310 in rotation in the direction of the clamping arrow Fs.
  • the coil 300 is then driven in the tightening direction.
  • the second drive member 520 does not then carry out a drive function but serves as a stop away from the free end 631 of the noisemaker arm 630 by moving this end 631 away from the inner periphery of the fixed support 200. It is indeed not necessary to use the sounder to evaluate the number of notches 211 of the inner periphery of the fixed support 200 already crossed during the rotation. Indeed, a noise is already emitted by the teeth 612 of the retention portion 611 having been in contact with notches 211 of the inner periphery of the fixed support 200, which allows the user to estimate the rotation achieved by the coil 300 and thus the clamping.
  • the noisering arm 630 and the second bar 620 are in contact at diametrically opposite points of the cylindrical housing 530 for receiving the wheel 500 surrounding the central axis 230 of rotation of the device 100. This allows a centering of the pawl 600 in the device 100.
  • the tightening is finished.
  • the user no longer rotates the wheel 500.
  • a locking is done in the position of the pawl 600 and consequently of the coil 300, because of the interaction of the retention portion 611 of the pawl 600 with the complementary relief 210 at the inner periphery of the fixed support 200, the teeth 612 of the retention portion 611 having penetrated into notches 211 of the complementary relief 210.
  • the coil 300 is rotationally secured to the pawl 600 by the securing element 320 inserted in the fork 613 near the base 614 carried by the first bar 610 of the pawl 600.
  • the securing element 320 inserted in the fork 613 near the base 614 carried by the first bar 610 of the pawl 600.
  • such a connection is permanent, it can also be considered a temporary joining of the coil 300 with the pawl 600.
  • the second drive member 520 of the wheel 500 is always interposed between the free end 631 of the noisemaker arm 630 and the inner periphery of the fixed support 200.
  • the first drive member 510 of the wheel 500 is always in abutment with the actuating element 310 integral with the coil 300 but no longer acts on this element 310.
  • a traction exerted on one or the other of the yarns of yaw 400 is then transferred to the reel in the form of a rotational force, rotational force blocked by the pawl 600, on the one hand rotationally fixed to the reel and secondly secured to the fixed support 200 through the cooperation of the pawl 600 with the reliefs of the fixed support 200.
  • the lace 400 is thus blocked even under the action of a large traction.
  • the user turns the wheel 500 in the direction of the loosening arrow Fd.
  • the first training device 510 of the wheel 500 stops abutting with the actuating element 310 and rotates in the direction of the arrow Fd to come into contact with the actuating portion 622 at the free end of the second bar 620.
  • L drive element 510 pushes the actuating portion 622 in the loosening direction, causing deformation of the first bar 610 and disengagement of the retention portion 610 from the complementary relief: the blocking is then eliminated.
  • the second drive member 520 also follows the rotation of the wheel 500 and no longer performs its stop function away from the free end 631 of the arm 630 forming noisemaker.
  • the free end 631 of the arm 630 then rubs against the inner periphery of the fixed support 200, which allows the arm 630 to perform its function of noise and provide the user with sound guidance for the evaluation of the loosening.
  • the second drive member 520 having ceased to be interposed between the free end 631 and the inner periphery of the fixed support 200 comes into contact with the base 614 towards the end of the first bar 610.
  • This second drive member 520 then performs a rotational drive function according to the loosening arrow Fd of the base 614 and consequently of the pawl 600 and the coil 300, the latter being secured to the base 614 by its securing element 320 received in fork 613 of pawl 600.
  • the invention provides a robust, simple and reliable solution to provide easy and precise clamping and loosening as well as high tensile strength in the locking position.
  • the embodiment described corresponds to a cable winder whose tightening is done by rotation in the counterclockwise direction.
  • this retractor will be placed on a left shoe.
  • a symmetrical embodiment in which the clamping is done by clockwise rotation is also considered in the context of the invention.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention concerne un dispositif d'enroulement et de blocage d'un lacet de serrage. Elle trouve une application particulière dans le domaine du laçage d'équipements personnels de type vêtements, chaussures, casques, équipements de protection en permettant un laçage, plus généralement un serrage, rapide et précis.The invention relates to a device for winding and locking a tightening lace. It finds a particular application in the field of lacing personal equipment such as clothing, shoes, helmets, protective equipment by allowing a lacing, more generally a clamping, fast and accurate.

ÉTAT DE LA TECHNIQUESTATE OF THE ART

Il est connu plusieurs types de dispositifs d'enroulement et de blocage d'un lacet. En général de tels dispositifs comprennent un support fixe relié à l'équipement, une bobine pour l'enroulement ou le déroulement du lacet à sa périphérie et des moyens de blocage de la bobine dans une position d'enroulement. Un élément, fréquemment une molette, est prévu pour que l'utilisateur de l'équipement puisse commander le blocage en position de la bobine.Several types of devices for winding and locking a lace are known. In general such devices comprise a fixed support connected to the equipment, a coil for winding or unwinding of the lace at its periphery and means for locking the coil in a winding position. An element, frequently a wheel, is provided so that the user of the equipment can control the locking position of the coil.

Par exemple, le document US-A-8 468 657 décrit un dispositif d'enroulement et de blocage d'un lacet comportant une bobine et des moyens de blocage de sa rotation. Dans ce document, les moyens de blocage sont constitués par trois tiges d'engagement fines solidaires à l'une de leur extrémité de la bobine et dont l'autre extrémité comprend une surface de blocage susceptible de venir s'encastrer dans une denture pour bloquer la rotation de la bobine. Chaque tige d'engagement forme un cliquet. Ce document montre aussi une surface de déblocage portée par chacune des tiges d'engagement et susceptible d'être mise en contact avec un plot d'entraînement de la molette afin de faire fléchir les tiges d'engagement.For example, the document US-A-8,468,657 discloses a device for winding and locking a lace having a coil and means for locking its rotation. In this document, the locking means are constituted by three thin engagement rods secured to one end of the coil and the other end comprises a locking surface capable of being embedded in a toothing to block the rotation of the coil. Each engagement rod forms a ratchet. This document also shows a release surface carried by each of the engagement rods and may be brought into contact with a drive pad of the wheel in order to bend the engagement rods.

La présence des trois tiges d'engagement permet d'équilibrer la bobine et de répartir les efforts de rétention de la rotation en trois points. Par contre cela présente le désavantage de poser des problèmes de complexité de construction et d'hyperstatisme.The presence of the three engagement rods makes it possible to balance the coil and to distribute the retention forces of the rotation in three points. On the other hand, it presents the disadvantage of posing problems of complexity of construction and hyperstatism.

En outre, ce système s'avère en pratique relativement fragile et non adapté pour résister à une forte tension du lacet.In addition, this system is in practice relatively fragile and not adapted to withstand high tension of the lace.

La fragilité est d'autre part accentuée par le fait que les surfaces de blocage et de déblocage sont placées à proximité l'une de l'autre.The fragility is further accentuated by the fact that the locking and unlocking surfaces are placed close to each other.

Le brevet IT-A-1 220 811 décrit également un dispositif d'enroulement et de blocage d'un lacet qui résout partiellement le problème de fragilité. Dans ce document, il est prévu un seul et unique cliquet massif qui entre en contact avec une denture périphérique.The patent IT-A-1,220,811 also discloses a device for winding and locking a lace which partially solves the problem of fragility. In this document, there is provided a single massive ratchet that comes into contact with a peripheral toothing.

Les moyens qui permettent de soustraire le cliquet de son engagement avec la denture sont constitués par une surface de came ménagée sur le cliquet, laquelle est placée à proximité de l'axe. Il est aussi prévu un ressort poussant le cliquet en position.The means which make it possible to subtract the pawl from its engagement with the toothing consist of a cam surface formed on the pawl, which is placed near the axis. It is also provided a spring pushing the pawl in position.

Un tel positionnement est défavorable en termes de moment et l'utilisateur doit exercer un couple relativement important pour procéder au desserrage, ce qui rend ce desserrage malaisé. D'autre part, la présence d'un ressort dans ce dispositif rend la construction du dispositif plus complexe et plus lourde. Or, pour certaines applications, notamment pour des vêtements ou des chaussures ou objets analogues, la légèreté est un paramètre très important.Such positioning is unfavorable in terms of moment and the user must exert a relatively large torque to proceed with loosening, which makes this loosening difficult. On the other hand, the presence of a spring in this device makes the construction of the device more complex and heavier. However, for some applications, especially for clothes or shoes or similar objects, the lightness is a very important parameter.

Le problème à la base de la présente invention est de concevoir un dispositif d'enroulement et de blocage d'un lacet de serrage qui soit simple de conception tout présentant une résistance améliorée.The problem underlying the present invention is to design a device for winding and locking a tightening lace that is simple in design while having improved strength.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

A cet effet, on prévoit selon l'invention un dispositif d'enroulement et de blocage d'un lacet de serrage pour un équipement personnel de type vêtement, chaussure, casque ou équipement de protection, le dispositif comportant un support fixe, une bobine rotative par rapport au support fixe et destinée à être liée au lacet pour son serrage ou desserrage, une molette d'entraînement de la bobine actionnable par un utilisateur et des éléments de blocage de la rotation de la bobine, caractérisé en ce que les éléments de blocage comporte au moins un cliquet présentant :

  • une portion de rétention configurée pour engager, dans une position de blocage en rotation, au moins un relief complémentaire solidaire du support fixe en l'absence d'un effort de rotation exercé par l'utilisateur sur la molette ;
  • un socle configuré pour être entraîné en rotation lorsque la molette est mise en rotation par l'utilisateur dans le sens d'un desserrage ;
  • un premier barreau portant la portion de rétention, le premier barreau étant élastiquement déformable afin de provoquer, quand déformé, le désengagement de la portion de rétention dudit au moins un relief complémentaire. De préférence, le barreau séparant la portion de rétention du socle;
  • une portion d'actionnement de la portion de rétention, cette portion d'actionnement étant portée par un deuxième barreau en étant éloignée de la portion de rétention ;
  • le cliquet étant configuré de manière à ce que, dans un sens de rotation de la molette correspondant au desserrage, la molette, par l'intermédiaire de la portion d'actionnement, provoque le désengagement de la portion de rétention dudit au moins un relief complémentaire.
For this purpose, there is provided according to the invention a device for winding and locking a tightening lace for personal equipment such as clothing, shoes, helmet or protective equipment, the device comprising a fixed support, a rotating spool relative to the fixed support and intended to be connected to the lace for its tightening or loosening, a user-actuable coil drive wheel and rotation rotation locking elements, characterized in that the locking elements has at least one pawl with:
  • a retention portion configured to engage, in a locking position in rotation, at least one complementary relief integral with the fixed support in the absence of a rotational force exerted by the user on the wheel;
  • a base configured to be rotated when the wheel is rotated by the user in the direction of loosening;
  • a first bar carrying the retention portion, the first bar being elastically deformable to cause, when deformed, the disengagement of the retention portion of said at least one complementary relief. Preferably, the bar separating the retention portion of the base;
  • an actuating portion of the retention portion, this actuating portion being carried by a second bar being remote from the retention portion;
  • the pawl being configured so that, in a direction of rotation of the wheel corresponding to the loosening, the wheel, via the actuating portion, causes the disengagement of the retention portion of said at least one complementary relief .

Cela permet d'obtenir un déblocage facilité tout en renforçant la résistance mécanique des moyens de blocage. La surface de contact de la portion de rétention est au moins aussi grande que celle procurée par le dispositif selon l'état de la technique le plus proche.This makes it possible to obtain an easy release while reinforcing the mechanical strength of the locking means. The contact area of the retention portion is at least as large as that provided by the device according to the state of the art closest.

Le cliquet du dispositif selon la présente invention est sollicité respectivement en serrage et en desserrage par la molette en deux endroits différents espacés l'un de l'autre : sur le socle porté par le premier barreau, d'une part, et sur la portion d'actionnement portée par le deuxième barreau, d'autre part. Il y a donc répartition des efforts sur une grande surface du cliquet ce qui réduit les risques d'usure et de rupture du cliquet.The pawl of the device according to the present invention is urged respectively in tightening and loosening by the wheel in two different places spaced from each other: on the base carried by the first bar, on the one hand, and on the portion actuation carried by the second bar, on the other hand. There is therefore distribution of the forces on a large surface of the pawl which reduces the risk of wear and rupture of the pawl.

De plus, le fait d'éloigner la portion d'actionnement de la portion de rétention renforce la résistance du cliquet contrairement à l'état de la technique du document US-A-8 468 657 où les surfaces de blocage et de déblocage sont placées à proximité l'une de l'autre. En effet, dans le cadre du développement de la présente invention, il a été remarqué que la fragilité du dispositif décrit dans le document US-A8 468 657 provient en partie au moins du fait que les surfaces de blocage et de déblocage sont placées à proximité l'une de l'autre.In addition, the fact of moving the actuating portion away from the retention portion strengthens the resistance of the pawl, contrary to the state of the art of the document. US-A-8,468,657 where the blocking and unblocking surfaces are placed close to each other. Indeed, in the context of the development of the present invention, it has been noticed that the fragility of the device described in the document US-A8 468 657 at least in part because the locking and unlocking surfaces are placed close to one another.

Par conséquent, le dimensionnement de chaque tige d'engagement doit être tel que la molette en tournant puisse la faire fléchir facilement. Un tel dimensionnement la rend fragile et peu résistante à retenir une forte tension du lacet. Il s'ensuit qu'un tel dispositif ne peut pas être soumis à une tension du lacet trop forte.Therefore, the sizing of each engagement rod must be such that the wheel turning can easily bend. Such a dimensioning makes it fragile and not very resistant to retaining a high tension of the lace. It follows that such a device can not be subjected to a too strong lace tension.

Enfin, le positionnement de la portion d'actionnement sur le deuxième barreau, de préférence à l'extrémité libre du deuxième barreau, permet d'obtenir un grand bras de levier qui aide au désengagement de la portion de rétention du relief complémentaire et permet ainsi un déblocage facilité.Finally, the positioning of the actuating portion on the second bar, preferably at the free end of the second bar, provides a large lever arm which helps to disengage the retention portion of the complementary relief and thus allows an easy unlock.

De manière facultative, l'invention présente l'une quelconque des caractéristiques précédentes qui peuvent être utilisées séparément ou en combinaison.Optionally, the invention has any of the preceding features that can be used separately or in combination.

Selon un mode de réalisation, la portion d'actionnement est disposée au voisinage d'une première extrémité du deuxième barreau, le deuxième barreau comprenant une deuxième extrémité par laquelle le deuxième barreau est solidaire du premier barreau. Cela permet d'avoir un bras de levier maximal pour le désengagement de la portion de rétention du relief complémentaire et donc du déblocage de la bobine.According to one embodiment, the actuating portion is disposed in the vicinity of a first end of the second bar, the second bar comprising a second end by which the second bar is secured to the first bar. This allows to have a maximum lever arm for disengagement of the retention portion of the complementary relief and thus the release of the coil.

Selon un mode de réalisation, la portion d'actionnement est entraînée par un premier organe d'entraînement solidaire de la molette. Cela permet un entraînement limité à la portion d'actionnement et donc plus efficace.According to one embodiment, the actuating portion is driven by a first integral drive member of the wheel. This allows a drive limited to the actuating portion and therefore more effective.

Selon un mode de réalisation, le premier organe d'entraînement est sous la forme d'une butée d'entraînement poussant la portion d'actionnement portée par le deuxième barreau pour le déblocage de la rotation de la molette, cette poussée déformant le premier barreau afin de désengager la portion de rétention du relief complémentaire du support fixe. La déformation du premier barreau aide à la poussée de la butée d'entraînement en ne s'opposant pas à cette poussée et diminue la friction et donc l'usure de la butée et de l'organe.According to one embodiment, the first drive member is in the form of a drive stop pushing the actuating portion carried by the second bar for unlocking the rotation of the wheel, this thrust deforming the first bar to disengage the retention portion of the complementary relief of the fixed support. The deformation of the first bar helps the thrust of the drive abutment by not opposing this thrust and decreases the friction and therefore the wear of the stop and the body.

Selon un mode de réalisation, dans le sens du serrage, la butée d'entraînement est configurée pour pousser un élément d'actionnement solidaire de la bobine afin d'effectuer la rotation de la bobine dans ce sens. Cette butée d'entraînement présente l'avantage de combiner deux fonctions, d'une part, une fonction de poussée sur l'organe d'entraînement dans le sens du desserrage et, d'autre part, une fonction de poussée sur un élément de la bobine dans le sens du serrage. Ceci est donc obtenu avec le même élément d'où une diminution des éléments nécessaires pour le fonctionnement du dispositif d'enroulement et aussi une diminution du poids total du dispositif, ce qui est important quand l'équipement personnel doit être léger.According to one embodiment, in the tightening direction, the driving abutment is configured to push an actuating element integral with the spool in order to rotate the spool in this direction. This drive abutment has the advantage of combining two functions, on the one hand, a thrust function on the drive member in the loosening direction and, on the other hand, a thrust function on an element of the coil in the direction of tightening. This is therefore achieved with the same element hence a decrease in the elements necessary for the operation of the winding device and also a decrease in the total weight of the device, which is important when the personal equipment must be light.

Selon un mode de réalisation pouvant être combiné avec le précédent mode ou mis en oeuvre individuellement, la portion de rétention se trouve au voisinage d'une première extrémité du premier barreau, le socle se trouvant au voisinage de la seconde extrémité du premier barreau. Il y a donc répartition des efforts sur la totalité du cliquet afin que le cliquet soit sollicité sur tout son pourtour, ce qui le fragilise moins.According to an embodiment that can be combined with the previous mode or implemented individually, the retention portion is in the vicinity of a first end of the first bar, the base being in the vicinity of the second end of the first bar. There is therefore distribution of efforts on the entire pawl so that the pawl is solicited all around its periphery, which weakens it less.

Selon un mode de réalisation, dans le sens d'un desserrage, le socle est poussé par un second organe d'entraînement solidaire de la molette. Cette caractéristique concerne le second entraînement que la molette exerce sur le cliquet à un endroit différent du premier, ce qui permet encore une répartition des efforts sur la totalité du cliquet.According to one embodiment, in the direction of loosening, the base is pushed by a second drive member secured to the wheel. This characteristic relates to the second drive that the wheel exerts on the pawl at a different location from the first, which still allows a distribution of forces on the entire ratchet.

Selon un mode de réalisation, le cliquet est solidaire de la bobine à proximité du socle, une fourche portée par le cliquet entourant un élément de solidarisation porté par ou solidaire de la bobine, le socle formant une des branches de la fourche. Ainsi, l'endroit où le cliquet est poussé par le second organe est aussi l'endroit de sa solidarisation avec la bobine ce qui améliore la transmission des efforts de la molette vers le cliquet puis vers la bobine.According to one embodiment, the pawl is secured to the coil near the base, a fork carried by the pawl surrounding a fastening element carried by or secured to the coil, the base forming one of the branches of the fork. Thus, the place where the pawl is pushed by the second member is also the place of its attachment to the coil which improves the transmission of the forces of the wheel to the pawl and then to the coil.

Selon un mode de réalisation, le dispositif comprend un élément bruiteur configuré pour frotter contre la périphérie interne du support fixe sous l'action d'un effort de rotation exercé par un utilisateur sur la molette dans le sens du desserrage. L'élément bruiteur sert à guider au bruit l'utilisateur lors du desserrage, la portion de rétention ne frottant alors pas contre la périphérie interne du support fixe.According to one embodiment, the device comprises a noise element configured to rub against the inner periphery of the fixed support under the action of a rotational force exerted by a user on the wheel in the loosening direction. The sounding element serves to guide the user to the sound during loosening, the retention portion not then rubbing against the inner periphery of the fixed support.

Cela représente un avantage significatif par rapport à une solution du type décrit dans le document US-A-8 468 658 . Dans cette solution de l'art antérieur, étant donné qu'il n'y a pas de contact entre la tige d'engagement et la denture lorsqu'on tourne la molette dans le sens du desserrage, l'utilisateur n'a pas d'indication sonore de la longueur de lacet qui est déroulé, la tige d'engagement ne produisant aucun bruit de frottement sur la denture.This represents a significant advantage over a solution of the type described in the document US-A-8,468,658 . In this solution of the prior art, since there is no contact between the engagement rod and the toothing when turns the wheel in the direction of loosening, the user does not have an audible indication of the length of lace that is unrolled, the engagement rod producing no friction noise on the toothing.

Selon un mode de réalisation, l'élément formant bruiteur est porté par un bras qui s'étend depuis le premier barreau de manière à ce que la déformation du bras provoque le frottement de l'élément bruiteur contre la périphérie interne du support fixe sous l'action dudit effort de rotation exercé par un utilisateur sur la molette dans le sens du desserrage. De préférence, le bras comprend une première extrémité par laquelle il est solidaire du premier barreau et une deuxième extrémité qui forme l'élément bruiteur.According to one embodiment, the noisemaker element is carried by an arm which extends from the first bar so that the deformation of the arm causes the friction of the noisy element against the inner periphery of the fixed support under the action of said rotational force exerted by a user on the wheel in the loosening direction. Preferably, the arm comprises a first end by which it is secured to the first bar and a second end which forms the noise element.

Selon un mode de réalisation, le dispositif comprend un second organe d'entraînement solidaire de la molette et configuré pour pousser le socle sous l'action dudit effort de rotation exercé par un utilisateur sur la molette dans le sens du serrage, et dans lequel le second organe d'entraînement forme aussi ladite butée d'éloignement.According to one embodiment, the device comprises a second drive member integral with the wheel and configured to push the base under the action of said rotational force exerted by a user on the wheel in the tightening direction, and wherein the second drive member also forms said distance stop.

Selon un mode de réalisation, le bras est élastiquement déformable, une butée d'éloignement portée par ou solidaire de la molette maintenant à distance de la périphérie interne du support fixe l'extrémité libre du bras, ceci lors du serrage. Cela permet de faciliter la mise en place du bras contre la périphérie du support fixe pour qu'il remplisse son rôle de bruiteur lors du desserrage et son éloignement du contact avec la périphérie pour ne faire aucun bruit en fin de serrage.According to one embodiment, the arm is elastically deformable, a distance stop carried by or secured to the wheel now spaced from the inner periphery of the support fixed the free end of the arm, this during tightening. This facilitates the establishment of the arm against the periphery of the fixed support so that it fulfills its role of noise during loosening and its removal from the contact with the periphery to make no noise at the end of tightening.

Selon une forme préférée de ce mode de réalisation, quand le socle est poussé par un second organe d'entraînement solidaire de la molette, le second organe d'entraînement forme aussi la butée d'éloignement. Le second organe accomplit comme le premier organe deux fonctions : il y a donc simplification du dispositif et économie des éléments à mettre en oeuvre pour son fonctionnement.According to a preferred form of this embodiment, when the base is pushed by a second drive member secured to the wheel, the second drive member also forms the distance stop. The second organ performs as the first organ two functions: there is thus simplification of the device and economy of the elements to be implemented for its operation.

Selon un mode de réalisation, le relief complémentaire solidaire du support fixe est formé d'encoches dans lesquelles s'insère une dent respective portée par la portion de rétention. Le dispositif est configuré de manière à ce qu'en l'absence dudit effort de rotation exercé par un utilisateur sur la molette dans le sens du desserrage, au moins une dent portée par la portion de rétention s'insère dans une encoche. Par exemple, le nombre de dents portées par la portion de rétention peut être compris entre 1 et 5. Le contact entre relief complémentaire et portion de rétention est donc renforcé par rapport à celui obtenu selon l'état de la technique le plus proche entre la tige d'engagement et le support fixe qui est unique.According to one embodiment, the complementary relief integral with the fixed support is formed of notches into which a respective tooth carried by the retention portion is inserted. The device is configured so that in the absence of said rotational force exerted by a user on the wheel in the loosening direction, at least one tooth carried by the retention portion fits into a notch. For example, the number of teeth carried by the retention portion may be between 1 and 5. The contact between complementary relief and retention portion is thus reinforced compared to that obtained according to the state of the art closest to the engagement rod and fixed bracket which is unique.

Selon un mode de réalisation, le premier barreau présente au moins pour sa portion de rétention une courbure externe orientée vers le support fixe correspondant à celle de la périphérie interne du support fixe. Le premier barreau a donc une configuration spécifiquement adaptée à la périphérie interne du support fixe, ce qui accroît l'engagement entre la portion de rétention et le relief complémentaire en position de blocage de la bobine.According to one embodiment, the first bar has at least for its retention portion an external curvature oriented towards the fixed support corresponding to that of the inner periphery of the fixed support. The first bar therefore has a configuration specifically adapted to the inner periphery of the fixed support, which increases the engagement between the retention portion and the complementary relief in the locking position of the coil.

Selon un mode de réalisation, le dispositif comprend un unique cliquet, l'unique cliquet pouvant porter une unique portion de rétention. Comparé à l'état de la technique le plus proche qui comprend trois tiges d'engagement, ceci représente une simplification du dispositif avec une économie de temps de fabrication et d'éléments que contient le dispositif.According to one embodiment, the device comprises a single pawl, the single pawl can carry a single retention portion. Compared to the closest state of the art which comprises three engagement rods, this represents a simplification of the device with a saving in manufacturing time and elements that the device contains.

Selon un mode de réalisation, le cliquet est formé venu de matière. En particulier, le socle, les premier et deuxième barreaux, la portion d'actionnement et la portion de rétention forment une pièce unique. Ils sont formés venu de matière.According to one embodiment, the pawl is formed integrally. In particular, the base, the first and second bars, the actuating portion and the retention portion form a single piece. They are trained come matter.

Selon un autre objet de l'invention, on prévoit un équipement personnel de type vêtement, chaussure, casque ou équipement de protection présentant au moins un lacet de serrage, comprenant pour ledit au moins un lacet un tel dispositif d'enroulement et de blocage selon l'invention. Le serrage ainsi obtenu est rapide et résistant en position.According to another object of the invention, there is provided personal equipment of the clothing, footwear, helmet or protective equipment type having at least one tightening lace, comprising for said at least one lace such a winding and locking device according to the invention. The tightening thus obtained is fast and resistant in position.

Dans le cadre de l'invention, on prévoit enfin un dispositif d'enroulement et de blocage d'un lacet de serrage pour un équipement personnel de type vêtement, chaussure, casque, équipement de protection comportant un support fixe, une bobine rotative par rapport au support fixe, une molette d'entraînement de la bobine et des éléments de blocage de la rotation de la bobine caractérisé en ce que les éléments de blocage de la rotation de la bobine comporte un cliquet, ledit cliquet comprenant un socle, une portion de rétention disposée éloignée du socle sur un premier barreau élastiquement déformable et une portion d'actionnement de la portion de rétention portée par un deuxième barreau en étant éloignée de la portion de rétention.In the context of the invention, there is finally provided a device for winding and locking a tightening lace for personal equipment of the clothing, footwear, helmet or protective equipment type comprising a fixed support, a rotating spool relative to at the fixed support, a wheel for driving the spool and elements for blocking the rotation of the spool characterized in that the elements for blocking the rotation of the spool comprise a pawl, said pawl comprising a base, a portion of retention disposed away from the base on a first elastically deformable bar and an actuating portion of the retention portion carried by a second bar being remote from the retention portion.

BRÈVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :

  • la figure 1 est une représentation schématique d'une vue en coupe transversale d'un exemple de dispositif d'enroulement et de blocage d'un lacet selon la présente invention, le dispositif étant à cette figure en cours de serrage du lacet ;
  • la figure 2 est une représentation schématique d'une vue en coupe transversale du dispositif illustré en figure 1, le dispositif étant à cette figure en position de blocage de la rotation de sa bobine ;
  • la figure 3 est une représentation schématique d'une vue en coupe transversale du dispositif illustré en figure 1, le dispositif étant à cette figure en cours de desserrage du lacet ;
  • la figure 4 est une représentation schématique d'une vue latérale du dispositif illustré en figure 1.
Other characteristics and advantages of the invention will emerge clearly from the description which is given hereinafter, by way of indication and in no way limitative, with reference to the appended drawings, in which:
  • the figure 1 is a schematic representation of a cross-sectional view of an example of winding device and locking a lace according to the present invention, the device being in this figure during tightening of the lace;
  • the figure 2 is a schematic representation of a cross-sectional view of the device illustrated in FIG. figure 1 , the device being in this figure in the locking position of the rotation of its coil;
  • the figure 3 is a schematic representation of a cross-sectional view of the device illustrated in FIG. figure 1 , the device being in this figure during loosening of the lace;
  • the figure 4 is a schematic representation of a side view of the device illustrated in figure 1 .

Les dessins sont donnés à titre d'exemples et ne sont pas limitatifs de l'invention. Ils constituent des représentations schématiques de principe destinées à faciliter la compréhension de l'invention et ne sont pas nécessairement à l'échelle des applications pratiques.The drawings are given by way of examples and are not limiting of the invention. They constitute schematic representations of principle intended to facilitate the understanding of the invention and are not necessarily at the scale of practical applications.

DESCRIPTION DÉTAILLÉE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

En se référant à toutes les figures, la présente invention concerne un dispositif d'enroulement et de blocage 100 d'un lacet 400 de serrage pour un équipement personnel de type vêtement, chaussure, casque, équipement de protection. Le dispositif 100 comporte un support fixe 200, une bobine 300 rotative par rapport au support fixe 200 et destinée à être liée au lacet 400. Le lacet 400 est enroulé autour de la bobine 300. Une première extrémité (non représentée) de lacet est fixée au support fixe, l'autre extrémité 401 est fixée à la bobine. Le premier brin du lacet, lié à la première extrémité est visible à gauche sur la figure 1. Le deuxième brin qui entre à droite sur la figure 1 s'enroule autour de la bobine 300 de manière à ce que les deux brins soient simultanément serrés, respectivement desserrés, lors d'une même rotation de la molette.Referring to all the figures, the present invention relates to a device for winding and locking 100 a lace 400 clamping for personal equipment type clothing, shoes, helmet, protective equipment. The device 100 comprises a fixed support 200, a coil 300 rotatable relative to the fixed support 200 and intended to be connected to the lace 400. The lace 400 is wound around the coil 300. A first end (not shown) of lace is fixed at the fixed support, the other end 401 is fixed to the coil. The first strand of the lace, linked to the first end is visible on the left on the figure 1 . The second strand that goes right on the figure 1 wraps around the coil 300 so that the two strands are simultaneously tightened, respectively loosened, during the same rotation of the wheel.

Comme illustré en figure 4, le support fixe 200 repose sur l'équipement personnel en étant fixé à celui-ci par une embase 221. Le support fixe 200 comprend aussi entre autres éléments une portion cylindrique 220 portée par l'embase 221. En se référant à toutes les figures, le support fixe 200 peut ainsi comprendre plusieurs éléments solidaires les uns des autres de manière amovible ou non, notamment un axe central 230 pour une molette, ce qui sera décrit ultérieurement.As illustrated in figure 4 , the fixed support 200 rests on the personal equipment being attached thereto by a base 221. The fixed support 200 also comprises among other elements a cylindrical portion 220 carried by the base 221. Referring to all the figures , the fixed support 200 may thus comprise several elements integral with each other removably or not, including a central axis 230 for a wheel, which will be described later.

Par exemple, le support fixe 200 peut comprendre une portion de logement recevant en son intérieur la bobine 300, cette portion de logement pouvant être amovible de l'embase 221. C'est cette portion de logement qui est référencée 200 aux figures 1 à 3.For example, the fixed support 200 may comprise a housing portion receiving inside the coil 300, this housing portion can be removable from the base 221. It is this housing portion that is referenced 200 to Figures 1 to 3 .

En se référant plus particulièrement aux figures 1 à 3, le dispositif 100 comprend aussi une molette 500. Cette molette 500 sert à l'entraînement de la bobine 300 en rotation. La molette 500 forme sensiblement le contour du dispositif 100 en le recouvrant au niveau de sa face supérieure quand le dispositif 100 est fixé sur l'équipement personnel et en présentant une tranche sensiblement circulaire.With particular reference to Figures 1 to 3 the device 100 also comprises a wheel 500. This wheel 500 is used to drive the coil 300 in rotation. The wheel 500 substantially forms the contour of the device 100 by covering it at its upper face when the device 100 is fixed on the personal equipment and having a substantially circular slice.

La molette 500 tourne autour d'un axe central 230 solidaire de manière amovible ou non du support fixe 200. Pour cela la molette 500 présente un logement cylindrique interne 530 au dispositif 100 et recevant l'axe central 230. L'utilisateur peut actionner la molette 500 par sa tranche ou par un élément porté par sa face supérieure et faisant saillie de cette face, ce dernier mode de réalisation n'étant pas montré sur les figures.The wheel 500 rotates about a central axis 230 fixedly or non-detachably fixed support 200. For this the wheel 500 has an inner cylindrical housing 530 to the device 100 and receiving the central axis 230. The user can operate the wheel 500 by its edge or by an element carried by its upper face and projecting from this face, the latter embodiment being not shown in the figures.

Enfin, le dispositif 100 comprend des éléments de blocage 210, 600 de la rotation de la bobine 300. Les éléments de blocage 210, 600 de la rotation de la bobine 300 comportent au moins un cliquet 600. Le ou chaque cliquet 600 porte une portion de rétention 611 s'engageant avec au moins un relief complémentaire 210 porté par le support fixe 200. Dans le mode de réalisation préféré illustré sur les figures, le cliquet 600 est unique et présente une unique portion de rétention 611.Finally, the device 100 comprises locking elements 210, 600 of the rotation of the coil 300. The locking elements 210, 600 of the rotation of the coil 300 comprise at least one pawl 600. The or each pawl 600 carries a portion retention member 611 engaging with at least one complementary relief 210 carried by the fixed support 200. In the preferred embodiment illustrated in the figures, the pawl 600 is unique and has a single retention portion 611.

Toujours selon le mode de réalisation montré aux figures, la portion de logement précédemment mentionnée du support fixe 200 est sous forme d'une couronne et loge en son intérieur le cliquet 600 et la bobine 300. Pour simplification, cette portion de logement étant partie du support sera dénommée support fixe 200.Still according to the embodiment shown in the figures, the aforementioned housing portion of the fixed support 200 is in the form of a ring and houses inside the pawl 600 and the coil 300. For simplicity, this housing portion being part of the support will be called fixed support 200.

La périphérie interne au dispositif 100 du support fixe 200 porte au moins une encoche 211, de préférence plusieurs encoches 211. Les encoches 211 sont réparties sur la totalité de la périphérie interne du support fixe 200. Chaque encoche 211, quand elle fait face à la portion de rétention 611 du cliquet, forme le relief complémentaire 210.The inner periphery of the device 100 of the fixed support 200 carries at least one notch 211, preferably several notches 211. The notches 211 are distributed over the entire inner periphery of the fixed support 200. Each notch 211, when facing the retention portion 611 of the pawl, forms the complementary relief 210.

La portion de rétention 611 porte au moins une dent 612 pouvant pénétrer dans ladite au moins une encoche 211 du relief complémentaire 210. A titre d'exemple, sans que cela soit limitatif, ce nombre de dents 612 peut varier de 1 à 5.The retention portion 611 carries at least one tooth 612 that can penetrate into said at least one notch 211 of the complementary relief 210. By way of example, without this being limiting, this number of teeth 612 can vary from 1 to 5.

Aux figures 1 à 3, il est montré quatre dents 612 pour la portion de rétention 611. Les encoches 211 sont inclinées en présentant un côté sensiblement radial au dispositif 100, ce côté étant orienté dans le sens du desserrage de la bobine 300. L'autre côté est incliné de sorte que l'entrée des encoches 211 soit plus grande que leur fond.To the Figures 1 to 3 , there are shown four teeth 612 for the retention portion 611. The notches 211 are inclined having a substantially radial side to the device 100, this side being oriented in the loosening direction of the coil 300. The other side is inclined by so that the entrance of the notches 211 is larger than their bottom.

La portion de rétention 611 est donc configurée pour, dans une configuration de blocage, venir en prise avec au moins le relief complémentaire 210 solidaire du support fixe 200 afin de bloquer la rotation de la bobine 300 en l'absence d'un effort de rotation exercée par un utilisateur sur la molette 500. Cette portion de rétention 611 est aussi configurée pour permettre la rotation de la bobine 300 relativement au support fixe 200 sous l'action d'un effort de rotation exercée par un utilisateur sur la molette 500 dans un sens de serrage et dans un sens de desserrage, ceci par déformation élastique comme il sera décrit ultérieurement.The retention portion 611 is thus configured to engage with at least the complementary relief 210 secured to the fixed support 200 in order to block the rotation of the coil 300 in the absence of a rotational force. exerted by a user on the wheel 500. This retention portion 611 is also configured to allow the rotation of the coil 300 relative to the fixed support 200 under the action of a rotational force exerted by a user on the wheel 500 in a tightening direction and in a loosening direction, this by elastic deformation as will be described later.

Dans l'exemple illustré en figures 1 à 3, le sens de serrage correspond à une rotation de la molette 300 dans le sens inverse de celui des aiguilles d'une montre. Ce sens est illustré par les flèches Fs de la figure 1. Le sens de desserrage correspond à une rotation de la molette dans le sens de celui des aiguilles d'une montre. Ce sens est illustré par la flèche Fd de la figure 3.In the example shown in Figures 1 to 3 , the tightening direction corresponds to a rotation of the wheel 300 in the opposite direction of that of the clockwise. This sense is illustrated by the arrows Fs of the figure 1 . The loosening direction corresponds to a rotation of the wheel in the direction of that of clockwise. This meaning is illustrated by the arrow Fd of the figure 3 .

La position de blocage également désignée configuration de blocage correspond au cas où l'utilisateur n'entraîne pas la molette 500 en rotation. Dans ce cas, le lacet 400 reste bloqué lorsqu'une traction lui est appliquée.The blocking position also referred to as blocking configuration corresponds to the case where the user does not drive the wheel 500 in rotation. In this case, the lace 400 remains blocked when traction is applied thereto.

Il va ci-après être décrit la composition du cliquet 600.Hereinafter the composition of the pawl 600 will be described.

Le cliquet comprend un premier barreau 610 qui porte la portion de rétention 611. Ce premier barreau 610 est élastiquement déformable afin de désengager la portion de rétention 611 du relief complémentaire 210 solidaire du support fixe 200 quand une action de l'utilisateur lui est transmise par la molette 500.The pawl comprises a first bar 610 which carries the retention portion 611. This first bar 610 is elastically deformable in order to disengage the retention portion 611 of the complementary relief 210 integral with the fixed support 200 when an action of the user is transmitted to it by the wheel 500.

Par barreau, il est entendu un organe de forme allongée présentant deux extrémités, cette forme n'étant pas forcément rectiligne.By bar, is meant an elongate member having two ends, this shape is not necessarily straight.

Dans le mode de réalisation montré aux figures, le premier barreau 610 présente, sur sa face en vis-à-vis du support fixe 200, une forme incurvée correspondant à la courbure de la périphérie interne du support fixe 200, cela au moins pour la portion de rétention 611 qu'il porte.In the embodiment shown in the figures, the first bar 610 has, on its face facing the fixed support 200, a curved shape corresponding to the curvature of the inner periphery of the fixed support 200, that at least for the retention portion 611 it carries.

Le fait que barreau désigne un organe de forme généralement allongée s'applique aussi pour un deuxième barreau 620 qui sera décrit ultérieurement.The fact that the bar designates a generally elongate shaped member also applies to a second bar 620 which will be described later.

La déformation du premier barreau 610 provoque le désengagement de la portion de rétention 611 par rapport audit au moins un relief complémentaire 211 porté par le support fixe 200.Deformation of the first bar 610 causes disengagement of the retention portion 611 with respect to said at least one complementary relief 211 carried by the fixed support 200.

Pour déformer le premier barreau 610, lorsque la molette 500 est entraînée dans le sens de desserrage, et en conséquence désengager la portion de rétention 611, il est prévu sur le cliquet 600 une portion d'actionnement 622.To deform the first bar 610, when the wheel 500 is driven in the loosening direction, and consequently disengage the retention portion 611, there is provided on the pawl 600 an actuating portion 622.

Dans le mode de réalisation illustré aux figures, la portion d'actionnement 622 est disposée en étant éloignée de la portion de rétention 611. Cette portion d'actionnement 622 est portée par un deuxième barreau 620. Dans ce mode de réalisation, le deuxième barreau 620 est rattaché par une de ses extrémités au premier barreau 610 au voisinage de la partie de rétention 611. Les premier et deuxième barreaux 610, 620 ne sont pas dans le prolongement l'un de l'autre mais forment un angle d'approximativement 90° entre eux.In the embodiment illustrated in the figures, the actuating portion 622 is disposed away from the retention portion 611. This actuating portion 622 is carried by a second bar 620. In this embodiment, the second bar 620 is attached by one of its ends to the first bar 610 in the vicinity of the retention portion 611. The first and second bars 610, 620 are not in the extension of one another but form an angle of approximately 90 ° between them.

Le deuxième barreau 620 peut porter la portion d'actionnement 622 au voisinage de son extrémité libre opposée à celle rattachée au premier barreau 610, cette extrémité libre pouvant par exemple former la portion d'actionnement 622.The second bar 620 may carry the actuating portion 622 near its free end opposite that attached to the first bar 610, this free end may for example form the actuating portion 622.

Le cliquet 600 est configuré de manière à ce que, dans un sens de rotation de la molette 500 correspondant au desserrage, la molette 500 déplace la portion d'actionnement 622, ledit déplacement de la portion d'actionnement 622 provoquant le désengagement de la portion de rétention 611 du relief complémentaire 210 du support fixe 200.The pawl 600 is configured so that, in a direction of rotation of the wheel 500 corresponding to the loosening, the wheel 500 moves the actuating portion 622, said displacement of the actuating portion 622 causing the disengagement of the portion 611 of the complementary relief 210 of the fixed support 200.

La portion d'actionnement 622 est déplacée sous l'action d'un premier organe d'entraînement 510 solidaire de la molette 500. Ce premier organe d'entraînement 510 est configuré pour être entraîné en rotation directement ou indirectement par la molette 500.The actuating portion 622 is moved under the action of a first drive member 510 integral with the wheel 500. This first drive member 510 is configured to be rotated directly or indirectly by the wheel 500.

Dans le mode de réalisation des figures, cet organe d'actionnement est sous la forme d'une première butée d'entraînement 510. La butée d'entraînement 510 pousse la portion d'actionnement 622 et en conséquence le deuxième barreau 620, ce qui déforme le premier barreau 610 et désengage la portion de rétention 611 du relief complémentaire 210 du support fixe 200. Il est prévu une cavité 615 dans le premier barreau 610 à proximité de la portion de rétention 611 qui lui permet d'être flexible.In the embodiment of the figures, this actuating member is in the form of a first driving abutment 510. The driving abutment 510 pushes the actuating portion 622 and consequently the second bar 620, which deforms the first bar 610 and disengages the retention portion 611 of the complementary relief 210 of the fixed support 200. There is provided a cavity 615 in the first bar 610 near the retention portion 611 which allows it to be flexible.

Comme précédemment mentionné, le deuxième barreau 620 peut être raccordé à une première extrémité du premier barreau 610, la portion de rétention 611 étant portée par le premier barreau 610 au voisinage de cette première extrémité. Au voisinage de l'extrémité opposée du premier barreau 610 dite seconde extrémité, donc l'extrémité du barreau 610 ne portant pas la portion de rétention 611, le premier barreau 610 du cliquet 600 porte un socle 614 configuré pour être entraîné en rotation directement ou indirectement par la molette 500 dans un sens de rotation de la molette 500 correspondant au desserrage.As previously mentioned, the second bar 620 can be connected to a first end of the first bar 610, the retention portion 611 being carried by the first bar 610 in the vicinity of this first end. In the vicinity of the opposite end of the first bar 610 called the second end, so the end of the bar 610 does not bear the retention portion 611, the first bar 610 of the pawl 600 carries a base 614 configured to be rotated directly or indirectly by the wheel 500 in a direction of rotation of the wheel 500 corresponding to loosening.

Dans le sens de desserrage, le socle 614 est poussé par un second organe d'entraînement 520 solidaire de la molette 500.In the loosening direction, the base 614 is pushed by a second drive member 520 integral with the wheel 500.

Dans le mode de réalisation montré aux figures, le cliquet 600, par l'intermédiaire de son premier barreau 610, est solidaire en rotation de la bobine 300, ceci à proximité du socle 614. Ceci est réalisé par une fourche 613 portée par le premier barreau 610 du cliquet 600 entourant un élément de solidarisation 320 porté par ou solidaire de la bobine 300. Comme illustré sur les figures, le socle 614 forme une des branches de la fourche 613, cette branche pouvant être la plus extérieure au premier barreau 610.In the embodiment shown in the figures, the pawl 600, via its first bar 610, is integral in rotation with the coil 300, this close to the base 614. This is achieved by a fork 613 carried by the first bar 610 of the pawl 600 surrounding a securing element 320 carried by or integral with the coil 300. As illustrated in the figures, the base 614 forms one of the branches of the fork 613, this branch being the outermost to the first bar 610.

La fourche 613 se trouvant au voisinage du socle 614 enserre entre deux branches l'élément de fixation 320. L'élément de solidarisation 320 permet de transférer la rotation de la molette 500 à la bobine 300.The fork 613 located in the vicinity of the base 614 encloses between the two branches the fixing element 320. The securing element 320 transfers the rotation of the wheel 500 to the coil 300.

En dérivation du socle 614, au voisinage de sa seconde extrémité, le premier barreau 610 est aussi prolongé par un bras 630 formant bruiteur, l'extrémité libre 631 du bras 630 frottant contre la périphérie interne du support fixe 200 sous l'action d'un effort de rotation exercée par un utilisateur sur la molette 500. L'extrémité libre 631 peut alors être mise en contact avec la périphérie interne du support fixe 200 portant les encoches 211 et émet un bruit lorsque l'extrémité libre 631 glisse contre la périphérie interne du support fixe 200 portant au moins une encoche 211, ceci par exemple lors de l'action d'un effort de rotation exercée par un utilisateur sur la molette 500 et plus particulièrement au desserrage.In branch of the base 614, near its second end, the first bar 610 is also extended by a noisemaker arm 630, the free end 631 the arm 630 rubbing against the inner periphery of the fixed support 200 under the action of a rotational force exerted by a user on the wheel 500. The free end 631 can then be brought into contact with the inner periphery of the fixed support 200 carrying the notches 211 and emits a noise when the free end 631 slides against the inner periphery of the fixed support 200 carrying at least one notch 211, this for example during the action of a rotational force exerted by a user on the wheel 500 and more particularly to loosening.

L'utilisateur peut ainsi aisément contrôler le desserrage effectué.The user can easily control the loosening done.

Le bras 630 peut être mis en contact de la périphérie interne du support fixe puis être éloigné de cette périphérie. Une cavité 616 peut être prévue dans le premier barreau 610 entre le socle 614 et l'attache du bras 630 avec le premier barreau 610 pour procurer une certaine élasticité au bras 630 lui permettant de prendre aisément les positions de contact respectivement avec le support fixe 200 et d'éloignement par rapport au support fixe 200.The arm 630 can be brought into contact with the inner periphery of the fixed support and then be moved away from this periphery. A cavity 616 may be provided in the first bar 610 between the base 614 and the attachment of the arm 630 with the first bar 610 to provide some elasticity to the arm 630 allowing it to easily take the contact positions respectively with the fixed support 200 and away from the fixed support 200.

Le mode de réalisation illustré montre une deuxième fonction possible de l'organe d'entraînement 520 solidaire de la molette 500 en tant que butée d'éloignement de l'extrémité libre 631 du bras 630 la périphérie interne du support fixe 200, cette deuxième butée étant dite butée d'éloignement. Cette butée d'éloignement 520 se rapproche du bras 630 formant bruiteur en s'écartant du socle 614 lors du serrage et empêche l'extrémité libre 631 du bruiteur 630 d'entrer en contact avec la périphérie interne du support fixe 200 et donc d'émettre un bruit lorsque l'extrémité libre 631 glisse le long de la périphérie interne en maintenant cette extrémité 631 à distance de la périphérie. Cela permet de ne pas user le bras formant bruiteur alors même qu'un bruit de cliquet peut être obtenu par le frottement des dents 312 sur les reliefs de la couronne.The illustrated embodiment shows a second possible function of the drive member 520 integral with the wheel 500 as a stop away from the free end 631 of the arm 630 the inner periphery of the fixed support 200, this second stop being said distance stop. This distance stop 520 approaches the noisemaker arm 630 by moving away from the base 614 during clamping and prevents the free end 631 of the buzzer 630 from coming into contact with the inner periphery of the fixed support 200 and thus of make a noise when the free end 631 slides along the inner periphery by keeping this end 631 away from the periphery. This makes it possible not to use the noisemaker arm while a ratchet noise can be obtained by the friction of the teeth 312 on the reliefs of the crown.

En se référant aux figures 1 à 3, les différentes phases de serrage, de blocage puis de desserrage du lacet 400 par le dispositif d'enroulement et de blocage 100 vont maintenant être décrites. Ce mode de réalisation n'est pas limitatif.Referring to Figures 1 to 3 the various phases of tightening, locking and then loosening of the lace 400 by the winding and locking device 100 will now be described. This embodiment is not limiting.

A la figure 1, lors du serrage, l'utilisateur de l'équipement muni d'au moins lacet avec un dispositif d'enroulement et de blocage 100 selon l'invention tourne la molette 500 dans le sens de la flèche de serrage Fs, dont une seule est référencée à cette figure.To the figure 1 when tightening, the user of the equipment provided with at least lace with a winding and locking device 100 according to the invention turns the wheel 500 in the direction of the clamping arrow Fs, of which only one is referenced in this figure.

Lors de cette rotation de la molette 500, les premier et second organes d'entraînement 510, 520 qui sont solidaires de la molette 500 suivent cette rotation. Le premier organe d'entraînement 510 arrive en butée avec l'élément d'actionnement 310 solidaire de la bobine 300 et pousse cet élément d'actionnement 310 en rotation dans le sens de la flèche de serrage Fs. La bobine 300 est alors entraînée dans le sens de serrage.During this rotation of the wheel 500, the first and second drive members 510, 520 which are integral with the wheel 500 follow this rotation. The first drive member 510 comes into abutment with the actuating element 310 integral with the coil 300 and pushes the actuating element 310 in rotation in the direction of the clamping arrow Fs. The coil 300 is then driven in the tightening direction.

Le deuxième organe d'entraînement 520 n'effectue pas alors une fonction d'entraînement mais sert de butée d'éloignement de l'extrémité libre 631 du bras 630 formant bruiteur en éloignant cette extrémité 631 de la périphérie interne du support fixe 200. Il n'est en effet pas nécessaire d'utiliser le bruiteur pour évaluer le nombre d'encoches 211 de la périphérie interne du support fixe 200 déjà franchies lors de la rotation. En effet, un bruit est déjà émis par les dents 612 de la portion de rétention 611 ayant été en contact avec des encoches 211 de la périphérie interne du support fixe 200, ce qui permet à l'utilisateur d'estimer la rotation accomplie par la bobine 300 et donc le serrage.The second drive member 520 does not then carry out a drive function but serves as a stop away from the free end 631 of the noisemaker arm 630 by moving this end 631 away from the inner periphery of the fixed support 200. it is indeed not necessary to use the sounder to evaluate the number of notches 211 of the inner periphery of the fixed support 200 already crossed during the rotation. Indeed, a noise is already emitted by the teeth 612 of the retention portion 611 having been in contact with notches 211 of the inner periphery of the fixed support 200, which allows the user to estimate the rotation achieved by the coil 300 and thus the clamping.

Lors du serrage, le bras bruiteur 630 et le deuxième barreau 620 sont en contact en des points diamétralement opposés du logement cylindrique 530 de réception de la molette 500 entourant l'axe central 230 de rotation du dispositif 100. Ceci permet un centrage du cliquet 600 dans le dispositif 100.During tightening, the noisering arm 630 and the second bar 620 are in contact at diametrically opposite points of the cylindrical housing 530 for receiving the wheel 500 surrounding the central axis 230 of rotation of the device 100. This allows a centering of the pawl 600 in the device 100.

A la figure 2, le serrage est terminé. L'utilisateur ne tourne plus la molette 500. Il est effectué un blocage en position du cliquet 600 et en conséquence de la bobine 300, du fait de l'interaction de la portion de rétention 611 du cliquet 600 avec le relief complémentaire 210 à la périphérie interne du support fixe 200, les dents 612 de la portion de rétention 611 ayant pénétré dans des encoches 211 du relief complémentaire 210.To the figure 2 , the tightening is finished. The user no longer rotates the wheel 500. A locking is done in the position of the pawl 600 and consequently of the coil 300, because of the interaction of the retention portion 611 of the pawl 600 with the complementary relief 210 at the inner periphery of the fixed support 200, the teeth 612 of the retention portion 611 having penetrated into notches 211 of the complementary relief 210.

Comme montré à la figure 2, la bobine 300 est solidaire en rotation avec le cliquet 600 de par l'élément de solidarisation 320 intercalé dans la fourche 613 à proximité du socle 614 porté par le premier barreau 610 du cliquet 600. Cependant si une telle solidarisation est permanente, il peut aussi être envisagé une solidarisation temporaire de la bobine 300 avec le cliquet 600.As shown in figure 2 , the coil 300 is rotationally secured to the pawl 600 by the securing element 320 inserted in the fork 613 near the base 614 carried by the first bar 610 of the pawl 600. However, if such a connection is permanent, it can also be considered a temporary joining of the coil 300 with the pawl 600.

Dans la position de blocage, le deuxième organe d'entraînement 520 de la molette 500 est toujours intercalé entre l'extrémité libre 631 du bras 630 formant bruiteur et la périphérie interne du support fixe 200. Le premier organe d'entraînement 510 de la molette 500 est toujours en butée avec l'élément d'actionnement 310 solidaire de la bobine 300 mais n'effectue plus d'action sur cet élément 310.In the locking position, the second drive member 520 of the wheel 500 is always interposed between the free end 631 of the noisemaker arm 630 and the inner periphery of the fixed support 200. The first drive member 510 of the wheel 500 is always in abutment with the actuating element 310 integral with the coil 300 but no longer acts on this element 310.

Une traction exercée sur l'un ou l'autre des brins du lacet 400 est alors transférée à la bobine sous forme d'un effort de rotation, effort de rotation bloqué par le cliquet 600, d'une part solidaire en rotation de la bobine et d'autre part solidaire du support fixe 200 par le biais d la coopération du cliquet 600 avec les reliefs du support fixe 200. Le lacet 400 est ainsi bloqué même sous l'action d'une traction importante.A traction exerted on one or the other of the yarns of yaw 400 is then transferred to the reel in the form of a rotational force, rotational force blocked by the pawl 600, on the one hand rotationally fixed to the reel and secondly secured to the fixed support 200 through the cooperation of the pawl 600 with the reliefs of the fixed support 200. The lace 400 is thus blocked even under the action of a large traction.

Comme montré à la figure 3, lors du desserrage, l'utilisateur tourne la molette 500 dans le sens de la flèche de desserrage Fd. Le premier organe d'entraînement 510 de la molette 500 cesse d'être en butée avec l'élément d'actionnement 310 et tourne dans le sens de la flèche Fd pour arriver en contact de la portion d'actionnement 622 à l'extrémité libre du second barreau 620. L'élément d'entraînement 510 pousse la portion d'actionnement 622 dans le sens du desserrage, ce qui provoque la déformation du premier barreau 610 et le désengagement de la portion de rétention 610 hors du relief complémentaire : le blocage est alors supprimé.As shown in figure 3 when loosening, the user turns the wheel 500 in the direction of the loosening arrow Fd. The first training device 510 of the wheel 500 stops abutting with the actuating element 310 and rotates in the direction of the arrow Fd to come into contact with the actuating portion 622 at the free end of the second bar 620. L drive element 510 pushes the actuating portion 622 in the loosening direction, causing deformation of the first bar 610 and disengagement of the retention portion 610 from the complementary relief: the blocking is then eliminated.

Le deuxième organe d'entraînement 520 suit aussi la rotation de la molette 500 et n'effectue plus sa fonction de butée d'éloignement de l'extrémité libre 631 du bras 630 formant bruiteur. L'extrémité libre 631 du bras 630 frotte alors contre la périphérie interne du support fixe 200, ce qui permet au bras 630 d'exercer sa fonction de bruiteur et de procurer à l'utilisateur un guidage sonore pour l'évaluation du desserrage.The second drive member 520 also follows the rotation of the wheel 500 and no longer performs its stop function away from the free end 631 of the arm 630 forming noisemaker. The free end 631 of the arm 630 then rubs against the inner periphery of the fixed support 200, which allows the arm 630 to perform its function of noise and provide the user with sound guidance for the evaluation of the loosening.

Le deuxième organe d'entraînement 520 ayant cessé d'être intercalé entre l'extrémité libre 631 et la périphérie interne du support fixe 200 vient en contact avec le socle 614 vers l'extrémité du premier barreau 610.The second drive member 520 having ceased to be interposed between the free end 631 and the inner periphery of the fixed support 200 comes into contact with the base 614 towards the end of the first bar 610.

Ce deuxième organe d'entraînement 520 effectue alors une fonction d'entraînement en rotation selon la flèche de desserrage Fd du socle 614 et en conséquence du cliquet 600 et de la bobine 300, cette dernière étant solidaire du socle 614 par son élément de solidarisation 320 reçu dans la fourche 613 du cliquet 600.This second drive member 520 then performs a rotational drive function according to the loosening arrow Fd of the base 614 and consequently of the pawl 600 and the coil 300, the latter being secured to the base 614 by its securing element 320 received in fork 613 of pawl 600.

Au vu de la description ci-dessus, il ressort certainement que l'invention offre une solution robuste, simple et fiable pour procurer un serrage et un desserrage aisés et précis ainsi qu'une résistance à la traction élevée en position de blocage.In view of the above description, it is clear that the invention provides a robust, simple and reliable solution to provide easy and precise clamping and loosening as well as high tensile strength in the locking position.

Le mode de réalisation décrit correspond à un enrouleur de câble dont le serrage se fait par rotation dans le sens anti-horaire. On placera par exemple cet enrouleur sur une chaussure gauche. Une réalisation symétrique dans laquelle le serrage se fait par rotation horaire est également envisagée dans le cadre de l'invention.The embodiment described corresponds to a cable winder whose tightening is done by rotation in the counterclockwise direction. For example, this retractor will be placed on a left shoe. A symmetrical embodiment in which the clamping is done by clockwise rotation is also considered in the context of the invention.

L'invention n'est pas limitée au mode de réalisation précédemment décrit et s'étend à tous les modes de réalisation couverts par les revendications.The invention is not limited to the embodiment previously described and extends to all the embodiments covered by the claims.

REFERENCESREFERENCES

100.100.
Dispositif d'enroulement et de blocageWinding and locking device
200.200.
Support fixeFixed support
210.210.
Relief complémentaireComplementary relief
211.211.
Encochenick
220.220.
Portion cylindriqueCylindrical portion
230.230.
Axe centralCentral axis
221.221.
EmbaseSocket
300.300.
BobineCoil
310.310.
Elément d'actionnementActuating element
320.320.
Elément de solidarisationSolidarity element
400.400.
LacetLace
401401
ExtrémitéEnd
500.500.
MoletteScroll wheel
510.510.
Premier organe d'entraînementFirst training device
520.520.
Deuxième organe d'entraînementSecond training member
530.530.
Logement cylindriqueCylindrical housing
600.600.
CliquetPawl
610.610.
Premier barreauFirst Bar
611.611.
Portion de rétentionPortion of retention
612.612.
DentTooth
613.613.
FourcheFork
614.614.
SocleBasement
615.615.
CavitéCavity
616.616.
CavitéCavity
620.620.
Deuxième barreauSecond Bar
622.622.
Portion d'actionnementActuation portion
630.630.
BrasArms
631.631.
Extrémité libreFree end
Fs.Fs.
Flèche de serrageClamping boom
Fd.Fd.
Flèche de desserrageRelease arrow

Claims (19)

  1. Device for winding and locking (100) a drawstring (400) for a personal item of equipment of clothing, footwear, protection helmet or equipment type, the device (100) comprising a fixed support (200), a reel (300) that is rotary relative to the fixed support (200) and intended to be linked to the drawstring (400) for the tightening or loosening thereof, a thumb wheel (500) for driving the reel (300) that can be actuated by a user and elements (210, 600) for locking the rotation of the reel (300), characterized in that the locking elements (210, 600) comprise at least one ratchet (600) having:
    - a block (614) configured to be driven in rotation when the thumb wheel (500) is rotated by the user in the loosening direction;
    - a retention portion (611) configured to engage, in a rotation locking position, at least one complementary relief (210) integral to the fixed support (200) in the absence of a rotation force exerted by the user on the thumb wheel (500);
    - a first bar (610) bearing the retention portion (611) and separating the retention portion (611) from the block (614), the first bar (610) being elastically deformable in order to provoke, when deformed, the disengagement of the retention portion (611) from said at least one complementary relief (210);
    - an actuation portion (622) for the retention portion (611), this actuation portion (622) being borne by a second bar (620) by being at a distance from the retention portion (611);
    - the ratchet (600) being configured so that, in a direction of rotation of the thumb wheel (500) corresponding to loosening, the thumb wheel (500), via the actuation portion (622), provokes the disengagement of the retention portion (611) from said at least one complementary relief (210).
  2. Device (100) according to the preceding claim, in which the actuation portion (622) is arranged in the vicinity of a first end of the second bar (620), the second bar (620) comprising a second end by which the second bar (620) is secured to the first bar (610).
  3. Device (100) according to the preceding claim, in which the actuation portion (622) is driven by a first driving member (510) integral to the thumb wheel (500).
  4. Device (100) according to the preceding claim, in which the first driving member is in the form of a driving abutment (510) configured to push the actuation portion (622) borne by the second bar (620) to unlock the rotation of the thumb wheel (500), this push deforming the first bar (610) in order to disengage the retention portion (611) from the complementary relief (210) of the fixed support (200).
  5. Device (100) according to the preceding claim, in which, in the tightening direction, the driving abutment (510) is configured to push an actuation element (310) integral to the reel (300) in order to drive the rotation of the reel (300) in this direction.
  6. Device (100) according to any one of the preceding claims, in which the retention portion (611) is located in the vicinity of a first end of the first bar (610), the block (614) being located in the vicinity of a second end of the first bar (610).
  7. Device (100) according to the preceding claim, in which, in the loosening direction, the block (614) is pushed by a second driving member (520) integral to the thumb wheel (500).
  8. Device (100) according to the preceding claim, in which the ratchet (600) is integral to the reel (300) in proximity to the block (614), a fork (613) borne by the ratchet (600) surrounding a securing element (320) borne by or integral to the reel (300), the block (614) forming one of the branches of the fork (613).
  9. Device (100) according to any one of the preceding claims, comprising a noise-making element configured to rub against the internal periphery of the fixed support (200) under the action of a rotation force exerted by a user on the thumb wheel (500) in the loosening direction.
  10. Device (100) according to the preceding claim, in which, the noise-maker-forming element is borne by an arm (630) which extends from the first bar (610) so that the deformation of the arm (630) provokes the rubbing of the noise-making element against the internal periphery of the fixed support (200) in the loosening direction.
  11. Device (100) according to the preceding claim, in which the arm (630) is elastically deformable, a distancing abutment (520) borne by or integral to the thumb wheel (500) keeping the free end (631) of the arm (630) at a distance from the internal periphery of the fixed support (200) under the action of a rotation force exerted by a user on the thumb wheel (500) in the tightening direction.
  12. Device (100) according to the preceding claim, comprising a second driving member (520) integral to the thumb wheel (500) and configured to push the block (614) under the action of said rotation force exerted by a user on the thumb wheel (500) in the loosening direction, and in which the second driving member (520) also forms said distancing abutment.
  13. Device (100) according to any one of the preceding claims, in which the complementary relief (210) integral to the fixed support (200) is formed by notches (211), the device being configured so that, in the absence of said rotation force exerted by a user on the thumb wheel (500) in the loosening direction, at least one tooth (612) borne by the retention portion (611) is inserted into a notch (211).
  14. Device (100) according to the preceding claim, in which the number of teeth borne by the retention portion (611) lies between 1 and 5.
  15. Device (100) according to any one of the preceding claims, in which the first bar (610) has, at least for its retention portion (611), an outer curvature oriented towards the fixed support (200) and corresponding to that of the internal periphery of said support (200).
  16. Device (100) according to any one of the preceding claims, which comprises a single ratchet (600).
  17. Device (100) according to the preceding claim, in which the single ratchet (600) bears a single retention portion (611).
  18. Device (100) according to any one of the preceding claims, in which the ratchet (600) is formed of a single piece.
  19. Personal equipment of clothing, footwear, protective helmet or equipment type having at least one drawstring (400) and a winding and locking device (100) according to any one of the preceding claims.
EP15001861.2A 2014-07-08 2015-06-23 Device for winding and ratchet locking of a drawstring Active EP2965647B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1401529A FR3023455B1 (en) 2014-07-08 2014-07-08 DEVICE FOR ROLLING AND LOCKING A CLAMP OF A CLAMPING LACQUER

Publications (2)

Publication Number Publication Date
EP2965647A1 EP2965647A1 (en) 2016-01-13
EP2965647B1 true EP2965647B1 (en) 2017-05-17

Family

ID=51905171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15001861.2A Active EP2965647B1 (en) 2014-07-08 2015-06-23 Device for winding and ratchet locking of a drawstring

Country Status (4)

Country Link
US (1) US9511975B2 (en)
EP (1) EP2965647B1 (en)
FR (1) FR3023455B1 (en)
TW (1) TW201609013A (en)

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DE112014003135B4 (en) * 2013-07-02 2020-12-24 Boa Technology Inc. ROLL FOR USE WITH AN OBJECT TIGHTENING SYSTEM AND DEVICES THEREFORE AND METHOD OF ASSEMBLING AN OBJECTIVE TIGHTENING DEVICE
TWI561453B (en) * 2014-02-17 2016-12-11 Chin Chu Chen A device for tightening and loosening a lace
US10271460B2 (en) * 2016-01-11 2019-04-23 Quanta Computer Inc. Server system
FR3051334B1 (en) * 2016-05-18 2018-06-15 Mavic Sas WINDING AND LOCKING DEVICE FOR A CLAMPING LACQUER
US11026472B2 (en) 2016-07-22 2021-06-08 Nike, Inc. Dynamic lacing system
CN106723663B (en) 2017-01-24 2019-05-24 深圳市悠宁科技有限公司 Shoestring draw off gear
CN114680426A (en) * 2017-03-01 2022-07-01 Boa科技股份有限公司 Reel-based tensioning device
CN108163646B (en) * 2017-12-29 2019-07-12 湖州品创孵化器有限公司 A kind of power cable wire rewinding and paying off machine
CN108451098B (en) * 2018-03-09 2019-11-01 深圳市菲特奥科技有限公司 Rope band adjusts device and component
CN108791997A (en) * 2018-08-14 2018-11-13 深圳市爱康伟达智能医疗科技有限公司 A kind of strap arrangement
CN111115388B (en) * 2018-10-30 2021-11-19 陈金柱 Fastening device
AU2019408359B2 (en) * 2018-12-18 2022-09-08 Touchstone International Medical Science Co., Ltd. Knob assembly and circular stapler
TWI807194B (en) * 2020-06-23 2023-07-01 宏正自動科技股份有限公司 Reel device

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IT1220811B (en) * 1988-03-11 1990-06-21 Signori Dino Sidi Sport WINCH SYSTEM FOR CLOSING SHOE FOR CYCLISTS
US8468658B1 (en) 2008-07-28 2013-06-25 Kimiko Chapman Rife Adjustable belt assembly
US8468657B2 (en) 2008-11-21 2013-06-25 Boa Technology, Inc. Reel based lacing system
US8434200B2 (en) * 2011-07-13 2013-05-07 Chin-Chu Chen Adjusting device for tightening or loosing laces and straps
US9101181B2 (en) * 2011-10-13 2015-08-11 Boa Technology Inc. Reel-based lacing system
CN104394730B (en) * 2012-11-30 2016-09-28 彪马欧洲公司 Rotating type locking device for footwear

Also Published As

Publication number Publication date
US9511975B2 (en) 2016-12-06
FR3023455B1 (en) 2016-08-26
FR3023455A1 (en) 2016-01-15
EP2965647A1 (en) 2016-01-13
TW201609013A (en) 2016-03-16
US20160009524A1 (en) 2016-01-14

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