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WO2005013748A1 - Clamping device for traction cables, especially traction cable tie-ups in shoes - Google Patents

Clamping device for traction cables, especially traction cable tie-ups in shoes Download PDF

Info

Publication number
WO2005013748A1
WO2005013748A1 PCT/EP2004/051691 EP2004051691W WO2005013748A1 WO 2005013748 A1 WO2005013748 A1 WO 2005013748A1 EP 2004051691 W EP2004051691 W EP 2004051691W WO 2005013748 A1 WO2005013748 A1 WO 2005013748A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
ring gear
handwheel
planet carrier
cable drum
Prior art date
Application number
PCT/EP2004/051691
Other languages
German (de)
French (fr)
Inventor
Shoichi Murabe
Original Assignee
Japana Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japana Co., Ltd. filed Critical Japana Co., Ltd.
Priority to DE502004008495T priority Critical patent/DE502004008495D1/en
Priority to JP2006522353A priority patent/JP4538836B2/en
Priority to EP04766398A priority patent/EP1651073B1/en
Publication of WO2005013748A1 publication Critical patent/WO2005013748A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • 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
    • 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

Definitions

  • the invention relates to a tensioning device for pull cables, in particular pull cord laces on shoes, with at least one cable drum connected or connectable to the pull cable or pull cables, a handwheel for rotating the cable drum or cable drums, one between the handwheel and Cable drum or cable drums arranged gear with slow translated through drive from the handwheel to the cable drum or the cable drums and a switch-off backstop, which only allows rotation of the cable drum or cable drums in the tensioning direction of the pull cable or the pull cable in the effective state.
  • Shoes with pull cord lacing and associated tensioning devices which are operated by means of a handwheel are available on the market.
  • clamping devices on the one hand constructions are known in which the handwheel is forcibly coupled directly to the cable drum at least when rotating in the direction of rotation provided to increase the tension of the pull cable and the cable drum accordingly executes the same angle of rotation as the handwheel.
  • a gear is arranged between the handwheel and cable drum, which translates the rotary movements of the handwheel into slow motion.
  • This object is achieved in that a direct frictional connection is provided between the handwheel and cable drum or cable drums and the transmission is free of forced coupling when the cable drum or cable drums rotate in the tensioning direction in the direction of the handwheel.
  • the invention is based on the general idea of providing two drive connections between the handwheel and the cable drum or cable drums for their movement in the tensioning direction, namely a frictional connection that is only suitable for achieving low savings forces and a positive connection that is suitable in principle for any high tensioning forces.
  • the positive-locking connection has a translation into slow motion relative to the non-positive connection, so that when the tensioning cable is loose, the positive-locking connection first becomes effective and enables the loosening of the tensioning cable to be eliminated quickly, while the positive-locking connection then automatically takes effect when a threshold value of the clamping force specified by the non-positive connection is exceeded and enables a very sensitive adjustment of the desired clamping force.
  • the gear mechanism that realizes the positive-locking connection can be designed in such a way that the cable drum or the cable drums is associated with a freewheel that is effective in the tensioning direction and is inhibited by limited forces.
  • a non-positive locking mechanism can be arranged between the handwheel and cable drum or cable drums.
  • the latching force thus specifies the maximum torque that can be transmitted by frictional connection. Furthermore, it is advantageous that an exceeding of the latching force is clearly perceptible and haptic control is therefore provided for whether the cable drum or cable drum is adjusted in the tensioning direction by the handwheel solely by frictional engagement or via the form-fitting gear mechanism.
  • a planetary gear is arranged between the handwheel and cable drum or cable drums, the sun wheel of which is positively coupled to the handwheel and the planet carrier of which is connected to the cable drum or cable drums and the ring gear of which is in the same direction of rotation as the clamping direction of the planet carrier is rotatable, so that the necessary freewheel is given in order to be able to adjust the cable drum or the cable drums with the handwheel solely via the frictional connection in the tensioning direction.
  • the planet carrier can in a particularly advantageous manner relative to the ring gear against rotation against the clamping direction by a the first lock is locked and the ring gear is assigned a releasable second lock which, in the active state, only permits movement of the ring gear which is in the same direction as the tensioning direction of the planet carrier.
  • the planet carrier and ring gear are coupled via the first lock in the opening direction thereof with a force fit which is greater than the inhibitory forces exerted by the second lock on the ring gear when it rotates in the freewheeling direction of the second lock.
  • the first lock has a double function:
  • the second lock when the second lock is effective, it prevents the cable drum or cable drums from rotating in the direction of relief of the pull cable or the pull cables.
  • the first lock causes a frictional connection between the planet carrier and the ring gear, so that with low tension of the pull cable or the pull cable sun gear planet carrier and ring gear can carry out the same and the same directional rotations in the tensioning direction and accordingly a quick adjustment of the pull cable or the pull cable can take place.
  • FIG. 1 shows a schematic axial section of a tensioning device according to the invention with a planetary gear
  • FIG. 2 shows a schematic cross section corresponding to the sectional plane II-1T in FIGS. 1 and
  • FIG. 3 shows a schematic cross section corresponding to the cutting plane HI-HI in FIG. 1.
  • a shaft 2 is rotatably mounted, on the outside of the housing 1, a handwheel 3 and within the housing 1, a sun gear 4 of a planetary gear 5 accommodated in the housing 1 is arranged in a rotationally fixed manner.
  • the planetary gear 5 has a ring gear 6 which is rotatably mounted on the shaft 2 and a planet carrier 7 which is also rotatably mounted on the shaft 2. This is rotatably connected via the axes of its planet gears 8 to a cable drum 9 which is rotatably mounted on the shaft 2 and which in turn is connected to pull cables 10 is.
  • the planet gears 8 have a conventional toothing which meshes with corresponding toothing on the outer circumference of the sun gear and on the inner circumferential region of the ring gear 6 assigned to the planet gears 8.
  • a sawtooth-like toothing is arranged on the inner circumference of the ring gear 6 according to FIG. 3, into which spear pawls 11 arranged or molded on the planet carrier 7 engage in one circumferential direction and engage in the other circumferential direction. Accordingly, the planet carrier 7 in the example of FIG. 3 can be rotated clockwise relative to the ring gear 6. Counter-clockwise, the planet carrier 7 can be rotated relative to the ring gear 6 against the latching resistance which the pawls 11 bring about in the aforementioned inner peripheral toothing of the ring gear.
  • the ring gear 6 On the outer circumference of the ring gear 6 is a further sawtooth-like toothing, which interacts with a manually triggered pawl 12 arranged on the housing 1.
  • the ring gear 6 can be rotated relative to the housing 1 in the example of FIG. 3 only counterclockwise, i. H. the possible direction of rotation of the ring gear 6 relative to the housing 1 is directed in the same direction as the possible rotation of the planet carrier 7 relative to the ring gear 6.
  • the locking force which counteracts a rotation of the ring gear 6 counterclockwise by the pawl 12 is less than the master force, which of the pawls 11 of a rotation of the planet carrier relative to the ring gear 6 is opposed.
  • the handwheel 3 When looking in the direction of arrow P in Fig. 1, the handwheel 3 is rotated counterclockwise to tension the cable 10 when the sawtooth-like teeth on the outer and inner circumference of the ring gear are aligned according to FIG. 3.
  • the cables 10 may have a loose, i.e. H. the tensile stress of the cables 10 is initially negligible. If the handwheel 3 is now turned counterclockwise, the locking force caused by the pawls 11 between the planet carrier 7 and the ring gear 6 cannot yet be overcome. Accordingly, the handwheel 3, the sun gear 4, the planet carrier 7 and the ring gear 6 have the same direction of rotation and the same size. This is equivalent to the fact that the cable drum 9, which is connected to the planet carrier 7 in a rotationally fixed manner, executes the same rotational movement as the handwheel 3 in the tensioning direction of the cables 10. As a result, the slack in the cables 10 can be quickly eliminated.
  • the tensile stress of the cables 10 may exceed a threshold value determined by the inhibiting force present between the ring gear 6 and the planet carrier 7. If the handwheel 3 is now rotated further counterclockwise, a sufficiently large torque is transmitted clockwise from the sun gear 4 via the planetary gears 8 to the ring gear 6, such that the ring gear 6 attempts to rotate clockwise; however, such a rotational movement is effective Pawl 12 prevents, ie the ring gear 6 remains stationary relative to the housing 1. Corresponding to the transmission ratio of the planetary gear 5, the planet carrier is now moved further with a slower rotation than the rotation of the handwheel 3, so that the cable drum 9 is also rotated correspondingly slowly in the tensioning direction of the cables 10. As a result, the lengths and tension forces of the pull cable 10 can be set very sensitively.
  • the pawl 12 is pivoted manually in accordance with the arrow Q in FIG. 3, so that the ring gear 6 and thus also the cable drum 9 rotate clockwise and accordingly in the relaxation direction of the cable 10 can turn.
  • This rotation can be supported by a corresponding manual rotation adjustment of the handwheel 3 in the clockwise direction.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Retarders (AREA)
  • Transmission Devices (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Ropes Or Cables (AREA)
  • Electric Cable Installation (AREA)

Abstract

The invention relates to a traction device which produces large transmission when the tension of the traction cable is reduced and/or is zero, such that during rotation of a handwheel, lengths of the traction cable can vary significantly. As soon as the tension of the traction cable exceeds a threshold value, the clamping device produces transmission in a slow manner such that rotation of the handwheel produces comparatively small variations of the length of the traction cable and enables the clamping force to be adjusted in a delicate manner.

Description

Beschreibung SPANNVORRICHTUNG FÜR ZUGKABEL, INSBESONDERE VON ZUGKABEL-SCHNÜRUNGEN AN SCHUHEN Description TENSIONING DEVICE FOR TOWING CABLES, ESPECIALLY TOWING CABLE LACING ON SHOES
[001] Die Erfindung bezieht sich auf eine Spannvorrichtung für Zugkabel, insbesondere von Zugkabel-Schnürungen an Schuhen, mit zumindest einer mit dem Zugkabel oder den Zugkabeln verbundenen bzw. verbindbaren Kabeltrommel, einem Handrad zur Drehung der Kabeltrommel bzw. Kabeltrommeln, einem zwischen Handrad und Kabeltrommel bzw. Kabeltrommeln angeordneten Getriebe mit ins Langsame übersetztem Durchtrieb vom Handrad zu der Kabeltrommel bzw. den Kabeltrommeln und einer ausschaltbaren Rücklaufsperrung, die im wirksamen Zustand nur eine Drehung der Kabeltrommel bzw. Kabeltrommeln in Spannrichtung des Zugkabels bzw. der Zugkabel zuläßt. [002] Schuhe mit Zugkabel-Schnürungen und zugeordneten Spannvoπichtungen, die mittels eines Handrades betätigt werden, sind auf dem Markt erhältlich. [003] Bei diesen Spannvorrichtungen sind einerseits Konstruktionen bekannt, bei denen das Handrad zumindest bei Drehung in der zur Erhöhung der Spannung des Zugkabels vorgesehenen Drehrichtung unmittelbar mit der Kabeltrommel zwangsgekoppelt ist und die Kabeltrommel dementsprechend gleiche Drehwinkel wie das Handrad ausführt. In diesem Zusammenhang kann beispielhaft auf die EP 0 651 954 Bl, die EP 0 540251 AI sowie die AT-PS 195751 verwiesen werden. Bei derartigen Konstruktionen ist vorteilhaft, dass mit vergleichsweise geringer Drehverstellung des • Handrades eine größere Veränderung der Länge des Zugkabels erreichbar ist. [004] Andererseits sind auch Spannvorrichtungen bekannt, bei denen zwischen Handrad und Kabeltrommel ein Getriebe angeordnet ist, welches die Drehbewegungen des Handrades ins Langsame übersetzt. Bei Verkürzung des Zugkabels führt also die Kabeltrommel relativ zum Handrad einen deutlich verminderten Drehhub aus. Hinsichtlich solcher Konstruktionen kann beispielhaft auf die US 4,961,544, die US 6,202,953 Bl sowie die US 6,289,558 Bl verwiesen werden. Vorteilhaft an solchen mit Getriebe versehenen Spaunvorrichtungen ist, dass auch sehr kleine Längenänderungen des Zugkabels und dementsprechend geringfügige Änderungen der Zugspannung leicht einstellbar sind. [005] Die Firma BOA Technology, Inc. bietet auch mit Planetengetriebe versehene Spaimvorrichtungen an, so dass trotz des Getriebes nur ein geringes Bauvolumen benötigt wird. [006] Aufgabe der Erfindung ist es nun, bei einer Spannvorrichtung der eingangs angegebenen Art eine besonders komfortable und schnelle Bedienung zu ermöglichen.The invention relates to a tensioning device for pull cables, in particular pull cord laces on shoes, with at least one cable drum connected or connectable to the pull cable or pull cables, a handwheel for rotating the cable drum or cable drums, one between the handwheel and Cable drum or cable drums arranged gear with slow translated through drive from the handwheel to the cable drum or the cable drums and a switch-off backstop, which only allows rotation of the cable drum or cable drums in the tensioning direction of the pull cable or the pull cable in the effective state. Shoes with pull cord lacing and associated tensioning devices which are operated by means of a handwheel are available on the market. In these clamping devices on the one hand constructions are known in which the handwheel is forcibly coupled directly to the cable drum at least when rotating in the direction of rotation provided to increase the tension of the pull cable and the cable drum accordingly executes the same angle of rotation as the handwheel. In this context, reference can be made, for example, to EP 0 651 954 B1, EP 0 540251 AI and AT-PS 195751. With such constructions it is advantageous that a greater change in the length of the pull cable can be achieved with a comparatively small rotation adjustment of the handwheel. On the other hand, clamping devices are also known in which a gear is arranged between the handwheel and cable drum, which translates the rotary movements of the handwheel into slow motion. When the pull cable is shortened, the cable drum performs a significantly reduced turning stroke relative to the handwheel. With regard to such constructions, reference can be made, for example, to US 4,961,544, US 6,202,953 B1 and US 6,289,558 B1. An advantage of such tensioning devices provided with gears is that even very small changes in the length of the pull cable and correspondingly minor changes in the tension can be easily adjusted. [005] The company BOA Technology, Inc. also offers spa devices provided with planetary gears, so that, despite the gearing, only a small construction volume is required. The object of the invention is now to enable a particularly convenient and fast operation in a tensioning device of the type specified.
[007] Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass zwischen Handrad und Kabeltrommel bzw. Kabeltrommeln ein direkter Kraftschluß vorgesehen und das Getriebe bei Drehung der Kabeltrommel bzw. Kabeltrommeln in Spannrichtung in Richtung des Handrades zwangskopplungsfrei ist.This object is achieved in that a direct frictional connection is provided between the handwheel and cable drum or cable drums and the transmission is free of forced coupling when the cable drum or cable drums rotate in the tensioning direction in the direction of the handwheel.
[008] Die Erfindung beruht auf dem allgemeinen Gedanken, zwischen Handrad und Kabeltrommel bzw. Kabeltrommeln für deren Bewegung in Spannrichtung zwei Antriebsverbindungen vorzusehen, und zwar eine nur zur Erzielung geringer Sparnkräfte geeignete Kraftschlußverbindung sowie eine prinzipiell für beliebig hohe Spannkräfte geeignete Formschlußverbindung. Die Formschlußverbindung weist relativ zur Kraftschlußverbindung eine Übersetzung ins Langsame auf, so dass bei losem Spannkabel zunächst die Kraftschlußverbindung wirksam wird und eine schnelle Beseitigung der Lose des Spannkabels ermöglicht, während danach bei Überschreitung eines durch den Kraftschluß vorgegebenen Schwellwertes der Spannkraft automatisch die Formschlußverbindung wirksam wird und eine sehr feinfühlige Einstellung der gewünschten Spannkraft ermöglicht. Zur Verwirklichung dieses Konzeptes kann das die Formschlußverbindung verwirklichende Getriebe derart ausgebildet sein, dass die Kabeltrommel bzw. den Kabeltrommeln ein in Spannrichtung wirksamer, durch begrenzte Kräfte gehemmter Freilauf zugeordnet ist.The invention is based on the general idea of providing two drive connections between the handwheel and the cable drum or cable drums for their movement in the tensioning direction, namely a frictional connection that is only suitable for achieving low savings forces and a positive connection that is suitable in principle for any high tensioning forces. The positive-locking connection has a translation into slow motion relative to the non-positive connection, so that when the tensioning cable is loose, the positive-locking connection first becomes effective and enables the loosening of the tensioning cable to be eliminated quickly, while the positive-locking connection then automatically takes effect when a threshold value of the clamping force specified by the non-positive connection is exceeded and enables a very sensitive adjustment of the desired clamping force. To implement this concept, the gear mechanism that realizes the positive-locking connection can be designed in such a way that the cable drum or the cable drums is associated with a freewheel that is effective in the tensioning direction and is inhibited by limited forces.
[009] Gemäß einer besonders bevorzugten Ausführungsform der Erfindung kann zwischen Handrad und Kabeltrommel bzw. Kabeltrommeln ein den Kraftschluß bewirkendes Rastwerk angeordnet sein. Damit gibt die Rastkraft das durch Kraftschluß übertragbare Maximalmoment vor. Des weiteren ist vorteilhaft, dass eine Überschreitung der Rastkraft gut fühlbar ist und somit auch eine haptische Kontrolle dafür geboten wird, ob die Kabeltrommel bzw. Kabeltrommehi vom Handrad allein durch Kraftschluß oder über das formschlüssig arbeitende Getriebe in Spannrichtung verstellt werden.According to a particularly preferred embodiment of the invention, a non-positive locking mechanism can be arranged between the handwheel and cable drum or cable drums. The latching force thus specifies the maximum torque that can be transmitted by frictional connection. Furthermore, it is advantageous that an exceeding of the latching force is clearly perceptible and haptic control is therefore provided for whether the cable drum or cable drum is adjusted in the tensioning direction by the handwheel solely by frictional engagement or via the form-fitting gear mechanism.
[010] Gemäß einer besonders zweckmäßigen und kompakten Ausführungsform der Erfindung ist zwischen Handrad und Kabeltrommel bzw. Kabeltrommeln ein Planetengetriebe angeordnet, dessen Sonnenrad mit dem Handrad und dessen Planetenträger mit der Kabeltrommel bzw. den Kabeltrommeln zwangsgekoppelt und dessen Hohlrad in zur Spannrichtung des Planetenträgers gleichgerichteter Drehrichtung drehbar ist, so dass der notwendige Freilauf gegeben ist, um die Kabeltrommel bzw. die Kabeltrommeln mit dem Handrad allein über den Kraftschluß in Spannrichtung verstellen zu können.According to a particularly expedient and compact embodiment of the invention, a planetary gear is arranged between the handwheel and cable drum or cable drums, the sun wheel of which is positively coupled to the handwheel and the planet carrier of which is connected to the cable drum or cable drums and the ring gear of which is in the same direction of rotation as the clamping direction of the planet carrier is rotatable, so that the necessary freewheel is given in order to be able to adjust the cable drum or the cable drums with the handwheel solely via the frictional connection in the tensioning direction.
[011] Bei dieser Ausführungsform kann in besonders vorteilhafter Weise der Planetenträger relativ zum Hohlrad gegen Drehung entgegen der Spannrichtung durch eine erste Sperre gesperrt und dem Hohlrad eine auslösbare zweite Sperre zugeordnet sein, die im wirksamen Zustand nur eine zur Spannrichtung des Planetenträgers gleich gerichtete Bewegung des Hohlrades zuläßt.In this embodiment, the planet carrier can in a particularly advantageous manner relative to the ring gear against rotation against the clamping direction by a the first lock is locked and the ring gear is assigned a releasable second lock which, in the active state, only permits movement of the ring gear which is in the same direction as the tensioning direction of the planet carrier.
[012] Insbesondere kann vorgesehen sein, dass Planetenträger und Hohlrad über die erste Sperre in deren Öffnungsrichtung mit Kraftschluß gekoppelt sind, welcher größer ist als die Hemmkräfte, die von der zweiten Sperre auf das Hohlrad bei dessen Drehung in Freilaufrichtung der zweiten Sperre ausgeübt werden.In particular, it can be provided that the planet carrier and ring gear are coupled via the first lock in the opening direction thereof with a force fit which is greater than the inhibitory forces exerted by the second lock on the ring gear when it rotates in the freewheeling direction of the second lock.
[013] Bei dieser Ausführungsfoπn hat die erste Sperre eine Doppelfunktion:In this embodiment, the first lock has a double function:
[014] Einerseits verhindert sie bei wirksamer zweiter Sperre, dass sich die Kabeltrommel bzw. Kabeltrommeln in Entlastungsrichtung des Zugkabels bzw. der Zugkabel drehen können. Andererseits bewirkt die erste Sperre einen Kraftschluß zwischen Planetenträger und Hohlrad, so dass bei geringer Zugspannung des Zugkabels bzw. der Zugkabel Sonnenrad- Planetenträger und Hohlrad gleiche und gleich gerichtete Drehungen in Spannrichtung ausführen können und dementsprechend eine Schnellverstellung des Zugkabels bzw. der Zugkabel erfolgen kann.On the one hand, when the second lock is effective, it prevents the cable drum or cable drums from rotating in the direction of relief of the pull cable or the pull cables. On the other hand, the first lock causes a frictional connection between the planet carrier and the ring gear, so that with low tension of the pull cable or the pull cable sun gear planet carrier and ring gear can carry out the same and the same directional rotations in the tensioning direction and accordingly a quick adjustment of the pull cable or the pull cable can take place.
[015] Im übrigen wird hinsichtlich bevorzugter Merkmale der Erfindung auf die Ansprüche sowie die nachfolgende Erläuterung der Zeichnung verwiesen, anhand der besonders bevorzugte Ausführungsformen der Erfindung näher beschrieben werden. Der Schutzumfang ist selbstverständlich nicht auf die ausdrücklich beanspruchten oder dargestellten Merkmalskombinationen beschränkt, vielmehr wird Schutz auch für prinzipiell beliebige Unterkombinationen der Merkmale beansprucht.For the rest, with regard to preferred features of the invention, reference is made to the claims and the following explanation of the drawing, on the basis of which particularly preferred embodiments of the invention are described in more detail. The scope of protection is of course not limited to the expressly claimed or shown combinations of features, rather protection is also claimed for basically any sub-combinations of the features.
[016] In der Zeichnung zeigt:[016] In the drawing:
[017] Fig. 1 Einen schematisierten Axialschnitt einer erfindungsgemäßen Spannvorrichtung mit Planetengetriebe,1 shows a schematic axial section of a tensioning device according to the invention with a planetary gear,
[018] Fig. 2 einen schematisierten Querschnitt entsprechend der Schnittebene II-1T in Fig. 1 und[018] FIG. 2 shows a schematic cross section corresponding to the sectional plane II-1T in FIGS. 1 and
[019] Fig. 3 einen schematisierten Querschnitt entsprechend der Schnittebene HI-HI in Fig. 1.3 shows a schematic cross section corresponding to the cutting plane HI-HI in FIG. 1.
[020] Innerhalb eines Gehäuses 1 ist eine Welle 2 drehgelagert, auf der außerhalb des Gehäuses 1 ein Handrad 3 und innerhalb des Gehäuses 1 ein Sonnenrad 4 eines im Gehäuse 1 untergebrachten Planetengetriebes 5 drehfest angeordnet ist. Das Planetengetriebe 5 besitzt ein auf der Welle 2 drehbar gelagertes Hohlrad 6 sowie einen ebenfalls auf der Welle 2 drehgelagerten Planetenträger 7. Dieser ist über die Achsen seiner Planetenräder 8 drehfest mit einer auf der Welle 2 drehgelagerten Kabeltrommel 9 verbunden, die ihrerseits mit Zugkabeln 10 verbunden ist.Within a housing 1, a shaft 2 is rotatably mounted, on the outside of the housing 1, a handwheel 3 and within the housing 1, a sun gear 4 of a planetary gear 5 accommodated in the housing 1 is arranged in a rotationally fixed manner. The planetary gear 5 has a ring gear 6 which is rotatably mounted on the shaft 2 and a planet carrier 7 which is also rotatably mounted on the shaft 2. This is rotatably connected via the axes of its planet gears 8 to a cable drum 9 which is rotatably mounted on the shaft 2 and which in turn is connected to pull cables 10 is.
[021] Die Planetenräder 8 besitzen eine übliche Verzahnung, die mit entsprechenden Verzahnungen am Außenumfang des Sonnenrades sowie am den Planetenrädern 8 zugeordneten Innenumfangsbereich des Hohlrades 6 kämmt. [022] Im Axialbereich des Planetenträgers 7 ist am Innenumfang des Hohlrades 6 gemäß Fig. 3 eine sägezahnartige Verzahnung angeordnet, in die am Planetenträger 7 angeordnete bzw. angeformte Speirklinken 11 in einer Umfangsrichtung sperrend und in der anderen Umfangsrichtung rastend eingreifen. Dementsprechend ist der Planetenträger 7 im Beispiel der Fig. 3 relativ zum Hohlrad 6 im Uhrzeigersinn undrehbar. Entgegen dem Uhrzeigersinn läßt sich der Planetenträger 7 gegen den Rastwiderstand, den die Sperrklinken 11 in der genannten Innenumfangsverzahnung des Hohlrades bewirken, relativ zum Hohlrad 6 drehen.The planet gears 8 have a conventional toothing which meshes with corresponding toothing on the outer circumference of the sun gear and on the inner circumferential region of the ring gear 6 assigned to the planet gears 8. In the axial region of the planet carrier 7, a sawtooth-like toothing is arranged on the inner circumference of the ring gear 6 according to FIG. 3, into which spear pawls 11 arranged or molded on the planet carrier 7 engage in one circumferential direction and engage in the other circumferential direction. Accordingly, the planet carrier 7 in the example of FIG. 3 can be rotated clockwise relative to the ring gear 6. Counter-clockwise, the planet carrier 7 can be rotated relative to the ring gear 6 against the latching resistance which the pawls 11 bring about in the aforementioned inner peripheral toothing of the ring gear.
[023] Am Außenumfang des Hohlrades 6 ist eine weitere sägezahnartige Verzahnung, die mit einer am Gehäuse 1 angeordneten, manuell auslösbaren Sperrklinke 12 zusammenwirkt. Im wirksamen Zustand der Sperrklinke 12 läßt sich das Hohlrad 6 relativ zum Gehäuse 1 im Beispiel der Fig. 3 nur entgegen dem Uhrzeigersinn drehen, d. h. die mögliche Drehrichtung des Hohlrades 6 relativ zum Gehäuse 1 ist gleich gerichtet zu der möglichen Drehung des Planetenträgers 7 relativ zum Hohlrad 6. Die durch die Sperrklinke 12 einer Drehung des Hohlrades 6 entgegen dem Uhrzeigersinn entgegen wirkende Hemmkraft ist geringer, als die Herrnnkraft, welche von den Sperrklinken 11 einer Drehung des Planetenträgers relativ zum Hohlrad 6 entgegengesetzt wird.On the outer circumference of the ring gear 6 is a further sawtooth-like toothing, which interacts with a manually triggered pawl 12 arranged on the housing 1. In the effective state of the pawl 12, the ring gear 6 can be rotated relative to the housing 1 in the example of FIG. 3 only counterclockwise, i. H. the possible direction of rotation of the ring gear 6 relative to the housing 1 is directed in the same direction as the possible rotation of the planet carrier 7 relative to the ring gear 6. The locking force which counteracts a rotation of the ring gear 6 counterclockwise by the pawl 12 is less than the master force, which of the pawls 11 of a rotation of the planet carrier relative to the ring gear 6 is opposed.
[024] Die dargestellte Anordnung funktioniert wie folgt:The arrangement illustrated works as follows:
[025] Bei Ansicht in Pfeilrichtung P in Fig. 1 wird das Handrad 3 zum Spannen der Kabel 10 entgegen dem Uhrzeigersinn gedreht, wenn die sägezahnartigen Verzahnungen am Außen- und Innenumfang des Hohlrades entsprechend Fig. 3 ausgerichtet sind.When looking in the direction of arrow P in Fig. 1, the handwheel 3 is rotated counterclockwise to tension the cable 10 when the sawtooth-like teeth on the outer and inner circumference of the ring gear are aligned according to FIG. 3.
[026] Zunächst mögen die Kabel 10 eine Lose aufweisen, d. h. die Zugspannung der Kabel 10 ist zunächst verschwindend gering. Wenn nun das Handrad 3 entgegen dem Uhrzeigersinn gedreht wird, kann die zwischen Planetenträger 7 und Hohlrad 6 durch die Sperrklinken 11 bewirkte Hemmkraft noch nicht überwunden werden. Dementsprechend führen das Handrad 3, das Sonnenrad 4, der Planetenträger 7 sowie das Hohlrad 6 gleich gerichtete und größenmäßig gleiche Drehwinkel aus. Dies ist gleichbedeutend damit, dass die mit dem Planetenträger 7 drehfest verbundene Kabeltrommel 9 in Spannrichtung der Kabel 10 die gleiche Drehbewegung wie das Handrad 3 ausführt. Im Ergebnis kann also die Lose der Kabel 10 schnell beseitigt werden.[026] First, the cables 10 may have a loose, i.e. H. the tensile stress of the cables 10 is initially negligible. If the handwheel 3 is now turned counterclockwise, the locking force caused by the pawls 11 between the planet carrier 7 and the ring gear 6 cannot yet be overcome. Accordingly, the handwheel 3, the sun gear 4, the planet carrier 7 and the ring gear 6 have the same direction of rotation and the same size. This is equivalent to the fact that the cable drum 9, which is connected to the planet carrier 7 in a rotationally fixed manner, executes the same rotational movement as the handwheel 3 in the tensioning direction of the cables 10. As a result, the slack in the cables 10 can be quickly eliminated.
[027] Nunmehr möge die Zugspannung der Kabel 10 einen durch die zwischen Hohlrad 6 und Planetenträger 7 vorliegende Hemmkraft bestimmten Schwellwert überschreiten. Wenn nun das Handrad 3 entgegen dem Uhrzeigersinn weiter gedreht wird, wird vom Sonnenrad 4 über die Planetenräder 8 auf das Hohlrad 6 ein hinreichend großes Drehmoment im Uhrzeigersinn übertragen, derart, dass sich das Hohlrad 6 im Uhrzeigersinn zu drehen sucht; eine solche Drehbewegung wird jedoch von der wirksamen Sperrklinke 12 verhindert, d. h. das Hohlrad 6 bleibt relativ zum Gehäuse 1 stationär. Entsprechend dem Übersetzungsverhältnis des Planetengetriebes 5 wird nunmehr der Planetenträger mit gegenüber der Drehung des Handrades 3 verlangsamter Drehung weiterbewegt, so dass auch die Kabeltrommel 9 entsprechend langsam in Spannrichtung der Kabel 10 gedreht wird. Im Ergebnis lassen sich damit die Längen und Spannkräfte der Zugkabel 10 sehr feinfühlig einstellen.Now the tensile stress of the cables 10 may exceed a threshold value determined by the inhibiting force present between the ring gear 6 and the planet carrier 7. If the handwheel 3 is now rotated further counterclockwise, a sufficiently large torque is transmitted clockwise from the sun gear 4 via the planetary gears 8 to the ring gear 6, such that the ring gear 6 attempts to rotate clockwise; however, such a rotational movement is effective Pawl 12 prevents, ie the ring gear 6 remains stationary relative to the housing 1. Corresponding to the transmission ratio of the planetary gear 5, the planet carrier is now moved further with a slower rotation than the rotation of the handwheel 3, so that the cable drum 9 is also rotated correspondingly slowly in the tensioning direction of the cables 10. As a result, the lengths and tension forces of the pull cable 10 can be set very sensitively.
[028] Wenn die Zugkabel 10 gelockert bzw. gelöst werden sollen, wird die Sperrklinke 12 entsprechend dem Pfeil Q in Fig. 3 manuell geschwenkt, so dass sich das Hohlrad 6 und damit auch die Kabeltrommel 9 im Uhrzeigersinn und dementsprechend in Entspannrichtung der Kabel 10 drehen können. Diese Drehung kann durch eine entsprechende manuelle Drehverstellung des Handrades 3 im Uhrzeigersinn unterstützt werden.If the pull cable 10 is to be loosened or released, the pawl 12 is pivoted manually in accordance with the arrow Q in FIG. 3, so that the ring gear 6 and thus also the cable drum 9 rotate clockwise and accordingly in the relaxation direction of the cable 10 can turn. This rotation can be supported by a corresponding manual rotation adjustment of the handwheel 3 in the clockwise direction.
[029] [029]

Claims

AnsprücheExpectations
[001] Spannvorrichtung für Zugkabel (10), insbesondere von Zugkabel-Schnürungen an Schuhen, mit - zumindest einer mit dem Zugkabel oder den Zugkabeln verbundenen bzw. verbindbaren Kabeltrommel (9), - einem Handrad (3) zur Drehung der Kabeltrommel bzw. Kabeltrommeln, - einem zwischen Handrad und Kabeltrommel bzw. Kabeltrommeln angeordneten Getriebe (5) mit ins Langsame übersetztem Durchtrieb vom Handrad zu der Kabeltrommel bzw. den Kabeltrommeln und - einer ausschaltbaren Rücklaufsperrung (11, 12), die im wirksamen Zustand nur eine Drehung der Kabeltrommel bzw. Kabeltrommeln in Spannrichtang des Zugkabels bzw. der Zugkabel zuläßt, dadurch gekennzeichnet, dass zwischen Handrad und Kabeltrommel bzw. Kabeltrommeln ein direkter Kraftschluß (6, 11) vorgesehen und das Getriebe bei Drehung der Kabeltrommel bzw. Kabeltrommeln in Spannrichtung in Richtung zum Handrad zwangskopp- lungsfrei ist.Tensioning device for pull cable (10), in particular of pull cable lacing on shoes, with - at least one cable drum (9) connected or connectable to the pull cable or the pull cables - a handwheel (3) for rotating the cable drum or cable drums , - a gearbox (5) arranged between the handwheel and cable drum or cable drums with slow through-drive from the handwheel to the cable drum or cable drums and - a reversible backstop (11, 12), which in the effective state only rotates the cable drum or Allows cable drums in the tensioning direction of the pull cable or pull cables, characterized in that a direct frictional connection (6, 11) is provided between the handwheel and the cable drum or cable drums and the gearbox is force-coupled when the cable drum or cable drums rotate in the tensioning direction in the direction of the handwheel. is lung-free.
[002] Spannvorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass zwischen Handrad (3) und Kabeltrommel (9) bzw. Kabeltrommeln ein den Kraftschluß bewirkendes Rastwerk (6, 11) angeordnet ist.Clamping device according to claim 1, characterized in that a non-positive locking mechanism (6, 11) is arranged between the handwheel (3) and cable drum (9) or cable drums.
[003] Spannvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zwischen Handrad (3) und Kabeltrommel (9) bzw. Kabeltrommeln ein Planetengetriebe (5) angeordnet ist, dessen Sonnenrad (4) mit dem Handrad und dessen Planetenträger (7) mit der Kabeltrommel bzw. den Kabeltrommeln zwangsgekoppelt und dessen Hohlrad (6) in zur Spannrichtung des Planetenträgers gleich gerichteter Drehrichtung drehbar ist.Clamping device according to claim 1 or 2, characterized in that between the handwheel (3) and cable drum (9) or cable drums a planetary gear (5) is arranged, the sun gear (4) with the handwheel and the planet carrier (7) with the cable drum or the cable drums are forcibly coupled and the ring gear (6) thereof can be rotated in the same direction of rotation as the clamping direction of the planet carrier.
[004] Spannvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Planetenträger (7) relativ zum Hohlrad (6) gegen Drehung entgegen der Spannrichtung durch eine erste Sperre (11) gesperrt und dem Hohlrad eine auslösbare zweite Sperre (12) zugeordnet ist, die im wirksamen Zustand nur eine zur Spannrichtung des Planetenträgers gleich gerichtete Drehung des Hohlrades zuläßt.Clamping device according to claim 3, characterized in that the planet carrier (7) relative to the ring gear (6) locked against rotation against the clamping direction by a first lock (11) and the ring gear is assigned a releasable second lock (12) in the active state only allows the ring gear to rotate in the same direction as the clamping direction of the planet carrier.
[005] Spannvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass Planetenträger (7) und Hohlrad (6) in Öffnungsrichtung der ersten Sperre (11) mit Kraftschluß gekoppelt sind, welcher größer ist als die Hemmkräfte, die von der zweiten Sperre (12) auf das Hohlrad bei dessen Drehung in Freilaufrichtung der zweiten Sperre ausgeübt werden.[005] Clamping device according to claim 4, characterized in that that planet carrier (7) and ring gear (6) in the opening direction of the first lock (11) are coupled with a force fit which is greater than the inhibiting forces exerted by the second lock (12) on the ring gear when it rotates in the freewheeling direction of the second lock become.
[006] Spannvorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass am Planetenträger (7) federnde Sperrklinken (11) angeordnet oder angeformt sind, die mit einer zugeordneten, unsymmetrische Zahnform aufweisenden Innenumfangsverzahnung am Hohlrad (6) zusammenwirken und Relativdrehungen von Planetenträger und Hohlrad in einer Richtung durch Formschluß sperren und in der anderen Richtung gegen durch Rastwiderstand erzeugten Kraftschluß zulassen.Clamping device according to claim 4 or 5, characterized in that resilient pawls (11) are arranged or formed on the planet carrier (7), which cooperate with an associated, asymmetrical tooth shape having inner peripheral teeth on the ring gear (6) and relative rotations of the planet carrier and ring gear Lock in one direction by positive locking and allow in the other direction against frictional engagement generated by locking resistance.
[007] Spannvorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass eine manuell auslösbare Sperrklinkenanordnung (12) mit einer unsymmetrische Zahnform aufweisenden Außenumfangsverzahnung am Hohlrad (6) zusammenwirkt und Drehungen des Hohlrades in einer Richtung durch Formschluß sperrt und Drehungen in der anderen Richtung nur mit einem geringen, durch Rastwiderstand erzeugten Kraftschluß hemmt, welcher geringer als der Kraftschluß zwischen Handrad (3) und Kabeltrommel (9) bzw. Kabeltrommeln und/oder zwischen Planetenträger (7) und Hohlrad (6) ist. Clamping device according to claim 5 or 6, characterized in that a manually releasable pawl arrangement (12) with an asymmetrical tooth shape having external peripheral teeth on the ring gear (6) cooperates and rotations of the ring gear in one direction by positive locking and rotations in the other direction only inhibits with a small frictional connection generated by latching resistance, which is less than the frictional connection between handwheel (3) and cable drum (9) or cable drums and / or between planet carrier (7) and ring gear (6).
PCT/EP2004/051691 2003-08-04 2004-08-02 Clamping device for traction cables, especially traction cable tie-ups in shoes WO2005013748A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE502004008495T DE502004008495D1 (en) 2003-08-04 2004-08-02 GABEL CROPPING AT SHOES
JP2006522353A JP4538836B2 (en) 2003-08-04 2004-08-02 Equipment for attaching tension cables, especially bundles of multiple tension cables in cable-type shoes
EP04766398A EP1651073B1 (en) 2003-08-04 2004-08-02 Clamping device for traction cables, especially traction cable tie-ups in shoes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10335940.0 2003-08-04
DE10335940A DE10335940A1 (en) 2003-08-04 2003-08-04 Tensioning device for pull cables, in particular pull cable laces on shoes

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EP (1) EP1651073B1 (en)
JP (1) JP4538836B2 (en)
KR (1) KR100804588B1 (en)
CN (1) CN100409785C (en)
AT (1) ATE414437T1 (en)
DE (2) DE10335940A1 (en)
WO (1) WO2005013748A1 (en)

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KR100804588B1 (en) 2008-02-20
EP1651073A1 (en) 2006-05-03
JP2007501038A (en) 2007-01-25
ATE414437T1 (en) 2008-12-15
DE10335940A1 (en) 2005-03-10
JP4538836B2 (en) 2010-09-08
EP1651073B1 (en) 2008-11-19
KR20060024377A (en) 2006-03-16
DE502004008495D1 (en) 2009-01-02
CN1826065A (en) 2006-08-30
CN100409785C (en) 2008-08-13

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