EP0885829B1 - Yarn feeder and clutch apparatus - Google Patents

Yarn feeder and clutch apparatus Download PDF

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Publication number
EP0885829B1
EP0885829B1 EP98110120A EP98110120A EP0885829B1 EP 0885829 B1 EP0885829 B1 EP 0885829B1 EP 98110120 A EP98110120 A EP 98110120A EP 98110120 A EP98110120 A EP 98110120A EP 0885829 B1 EP0885829 B1 EP 0885829B1
Authority
EP
European Patent Office
Prior art keywords
clutch
means according
coupling
elements
halves
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.)
Expired - Lifetime
Application number
EP98110120A
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German (de)
French (fr)
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EP0885829A1 (en
Inventor
Hermann Schmodde
Richard Kaufmann
Alfred Lampprecht
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.)
Memminger IRO GmbH
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Memminger IRO GmbH
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Publication date
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Publication of EP0885829A1 publication Critical patent/EP0885829A1/en
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/94—Driving-gear not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2407/00—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
    • B65H2407/50—Means for protecting parts of handling machine
    • B65H2407/51—Means for making dustproof

Definitions

  • the invention relates to a coupling device the features of the preamble of claim 1, and one equipped with such a coupling device Thread delivery device.
  • coupling devices are often required with which rotatable machine parts can be rotated together if necessary connected or separated from each other in terms of drive can be.
  • Such coupling devices work in usually form-fitting. This is problematic
  • Coupling devices the relatively large pollution. Dust from the processed yarn gets in shape detaching filaments, which are attached to resting and moving machine parts. They also detach themselves from particles from the often relatively quickly moving yarns the impregnation, which can then be used, for example, as a thin paraffin coating put down on the machine parts. From the filaments and if necessary forms the impregnation components then a lint deposit that is often bothersome and impair the function of the coupling device can.
  • coupling devices can be among the River deposits suffer.
  • there is a positive Tooth coupling in the disconnected position for a long time deposit the exposed teeth of the river (disorderly deposited Filaments, dust and other dirt particles, such as paraffin, oil and other), which then when coupling the tooth coupling is compressed.
  • This process repeated several times i.e. the clutch disconnected and engaged again with the river deposited on the teeth, gradually accumulates so much more compacted Flus on the tooth coupling that this can no longer be coupled sufficiently.
  • the thread delivery device has one Holding body 1, with one end 2 on a corresponding Ring of a knitting machine.
  • On the end lying away from the base body has one Approach 3 with a through hole in which means two spaced deep groove ball bearings 4, 5 a shaft 6 which is usually vertically oriented in use is stored. This bears on its lower one in FIG End of a thread delivery wheel 7 in a cage design.
  • On hers the upper end carries the shaft 6 via deep groove ball bearings 8, 9 two drive disks 11 rotatably mounted on the shaft, 12, which are arranged at a distance from each other.
  • the coupling piece 15 on both of them Flat sides provided with tubular projections 21, 22, the corresponding annular spaces 23, 24 of the drive pulleys 11, 12 grip and thus the coupling device cover to the outside.
  • Coupling piece 15 provided locking device 26. This is by a ball in a radial bore or formed a pin that is radially spring-loaded is pressed inside and in corresponding recesses in the hexagon 14 engages. Fitting rust forms here or penetrate fluff, can function properly can no longer be ensured. E.g. can the Coupling piece 15 blocked, i.e. axially no longer displaceable be or the locking action fails and that Coupling piece 15 no longer holds in its intended Positions.
  • Fretting corrosion can also occur between the coupling piece and the hexagon occur, causing the coupling piece can jam.
  • DE 30 42 989 A1 describes a thread delivery device known for textile machines that have a rotatably mounted driven thread delivery wheel.
  • the thread delivery wheel is via a coupling device with a Drive wheel coupled.
  • the coupling device is a switchable positive coupling, one coupling half has bolts extending in the axial direction and their other coupling half corresponding openings for receiving the bolt.
  • Lint can accumulate on the coupling halves, which are compressed when the coupling halves be brought together. Deposited and compressed In the long run, river layers can become so thick that a Coupling the clutch is no longer possible safely.
  • the thread delivery device points a tooth coupling, the coupling halves on the front toothed sleeves coming into contact with mating surfaces or Have approaches. Deposits present here can prevent proper engagement.
  • the coupling device has at least two coupling halves, at least of which one is axially displaceable, so that positive Coupling elements brought in and out of engagement can be.
  • the coupling elements at least one of the coupling halves are free-standing and in addition, both coupling halves are designed that when the clutch is engaged, none of them volume-reducing subspaces are created or partitioned become. This is achieved by the freestanding Coupling elements not locked when engaging clutch Define space. This is in contrast to it in the tooth coupling according to Figure 1, in which the with the toothing 16 provided hub fluff in the corresponding Depresses the drive pulley 11.
  • the coupling device according to the invention an open design, in the immediate Neighborhood of the free-standing coupling elements are present through the lint from the coupling elements be pushed together, exit or at least from the front area of the coupling elements can be removed so that they are not between accumulate to form movable surfaces.
  • the open one Construction is achieved in that the coupling means at least one coupling half is free-standing are. Any bounding area that is with the other Coupling means the free-standing coupling elements in enclosing an (annular) space is in Radial direction as far from the free-standing coupling elements removed that there is a gap, the fluff can emerge unhindered.
  • the free-standing coupling elements are also dimensioned so that they face not in contact with surfaces of the other coupling half come, so that there are no narrowing too far Columns are formed. Contrary to the state of the Technology is therefore not currently being attempted, the clutch to seal to the outside, but by the open construction lint access is possible. Likewise, however the discharge of lint is possible, so when maintenance is required at all by simple Blow out the freely accessible coupling spaces, e.g. with Compressed air is possible. This makes maintenance easier.
  • the free-standing elements are preferred Coupling fingers that are aligned axially, for example and thus with a flank or an edge engage the other coupling agent. This then has corresponding axially arranged grooves that preferably have a length that is the engagement length in coupled state exceeds. It is also possible keep the grooves open at both ends, so here Lint can escape.
  • the fingers are only in a coupled state with a section in contact, the fingers can be relative designed to be strong so that they can withstand the torque have grown.
  • the grooves not very deep, so little fluff from your fingers is to be pushed out of the engagement area of the grooves.
  • the (Radial) discharge of the fluff can be made easier if the fingers are rounded on their front sides.
  • the coupling fingers are preferably on their end faces Somewhat tapered at the end, with the tips in coupled State in the assigned groove. As a result, deposited lint from the Groove excavated and removed. They also make it easier Tips for finding the fingers in the grooves of the toothing the other coupling half, especially if the Teeth are also pointed.
  • the clutch is then self-finding.
  • both coupling halves can be freestanding Be coupling elements provided. However preferably with a toothing on a coupling half free-standing coupling elements on the other coupling half combined. This results in a low backlash Coupling connection in almost any rotational position.
  • the free-standing coupling elements are preferred arranged at greater distances from each other, so that only a few grooves are cleared when coupling. This also prevents larger amounts of flow from being pushed together and be pressed down. Be at one subsequent coupling process lint in other grooves pushed together, the previously formed river packages with which centrifugal force is carried out they leave the coupling device.
  • Fixing device a preferably designed as a catch Tongue is provided by an exempt Section of a hub is formed.
  • the latch is also thus a largely free-standing element that at no fluff is compressed or compressed during its movement.
  • the coupling device is advantageously so trained that only plastic surfaces lie against each other.
  • the entire coupling is made of plastic parts formed so that no fretting corrosion can occur and the coupling device can still be actuated is when it is used for a very long time in a corrosive environment has been without ever been switched his.
  • thread delivery device is as a result the new design of the coupling device easier to wait and is less at risk with Time to become inoperable. It can also be used to supply used by yarns that are too strong Lusse deposits lead without their functionality the coupling device and the switchability affect.
  • the thread delivery device shows how that illustrated in Figure 1 from the prior art known thread delivery device a base or holding body 1 on that for connection and attachment to an equipment carrier ring a knitting machine is set up.
  • the shaft 6 which on their lower end of the thread delivery wheel 7 and at its upper End carries the pulleys 11, 12, which by means of Deep groove ball bearings 8, 9 are rotatably mounted on this.
  • the drive disks 11, 12 are externally toothed or provided with another profile, so that with an appropriate drive belt (toothed belt) be brought into non-hatching connection can.
  • the drive disks 11, 12 and the coupling piece 15 together form a coupling device 30, which is different is formed from the representation in Figure 1.
  • the coupling device 30 goes from Figures 2 to 6 in whole or in part.
  • the coupling device 30 illustrated in FIG. 2 is a changeover clutch, in which the rotationally fixed with the coupled continuous shaft not shown Clutch disc 15 alternatively either with the drive disc 11 or the drive disc 12 to couple is.
  • the drive pulleys 11, 12 are toothed belt pulleys those with different speeds and / or in different Direction of rotation are driven.
  • the structure of the coupling device 30 goes in detail from Figures 2, 2a and 3.
  • the drive pulleys 11, 12 are rotatable with the deep groove ball bearings 8, 9, however axially immovable only on that in Figure 4 indicated by its center line 6 'shaft 6 held.
  • the drive pulleys 11, 12 are among themselves equally trained. They have a camp seat 31 for receiving the outer ring 32 of the respective deep groove ball bearing 8, 9 on.
  • This approximately circular cylindrical Bearing seat 31 is in the radial direction extending web 33 with an annular outer portion 34 connected, which carries the teeth and on its two axial ends with a flange-like edge 35 is provided.
  • the web 33 can be a closed disc be formed or have openings.
  • annular interior 37 bounded in a Axial direction is open.
  • figure 5 illustrates a total of five triangular in cross section trained fingers 38 arranged, which is different from the Bearing seat 31 extend in the axial direction and the Serve coupling elements.
  • the fingers 38 form together with the portion of the drive pulley 12 that holds them a coupling half 12a.
  • the fingers 38 are at a distance from the approximately cylindrical Arranged inner surface of the outer portion 34 and rounded on its side facing the inner surface, as can be seen in particular from FIG. 5. Also are it, as Figure 4 illustrates, at its free end rounded. Each closes axially extending Finger 38 approximately in a plane with the edge 35 of the outer section 34 from. The edge 35 defines one as an abutment serving radial ring surface. On its radially inner Each finger is 38 with a rectangular side or slightly acute-angled edge 39, the with the adjoining flanks 40 for coupling serves with the coupling piece 15.
  • That shown in Figures 3 and 4 and separately coupling piece 15 shown in FIG. 6 is a one-piece plastic body with a central hub 41, which has a central bore 42 with a cylindrical inner surface having.
  • the hub 41 is on its radially outer one Side provided with a toothing 44 which is formed in this way is that with the fingers 38 of the drive pulleys 11, 12 can be brought into engagement. It thus forms a coupling half 15a.
  • the toothing 44 extends itself over the entire length of the hub 41 to one radially outwardly extending disc-shaped Section 45, which is annular at the radially outer edge has thickened portion 46. This points a radial ring surface, which as a sling for Limitation of the clutch stroke is used.
  • the dimensions of the hub 41 and the outer portion 46, i.e. the clutch stroke is in the axial direction matched so that the hub 41 axially some Millimeter protrudes beyond section 46. However is this protrusion is less than the length of the fingers 38 measured from the bearing seat 31 to its front The End. The protrusion defines the depth of engagement of the coupling device 30 firm.
  • the coupling piece 15 To lock the coupling piece 15 in corresponding Coupling or separating positions serve two locking tongues 51, 52, the diametrically opposite one another Make the hub 41 are cut free.
  • the latches 51, 52 are at one end on a radial Face of the hub connected to this while the spring the other end of the locking tongue 51 radially outwards can.
  • the hub is 41 to this end provided with a corresponding cutout 53 which is open radially outwards.
  • the resilient end of the locking tongue 51 (52) is provided with a curved locking section.
  • the cutouts 53 interrupt the toothing 44. However, this does not affect the coupling effect. If a finger 38 is in the region of a recess 53, the power transmission through the other fingers 38 ensured.
  • FIGS 3 and 4 illustrate between the drive disks 11, 12 as the coupling piece 15 sleeve-shaped made of plastic Spacer 57 arranged.
  • the spacer 57 is rotatable with the Coupled shaft 6.
  • the rib-like projections 59 are on their radially outer side with a sequence of transverse provide rounded recesses. Form this Locking recesses 61 for the rounded end of the tongue 51.
  • the deep groove ball bearings 8, 9 are in contrast to that graphical representation in Fig. 3 sealed from the house.
  • 12 cranked metal disks 64, 65 arranged for receiving, centering and storage serve from felt rings 66, 67. These may take from the Deep groove ball bearings 8, 9 towards the coupling device 30 exiting traces of fat, so that as little or no grease in the area of the fingers 38 or the teeth 44 arrives.
  • the coupling device is on this Way kept dry. This counteracts river deposits.
  • the coupling device 30 described so far works as follows:
  • Both drive disks 11, 12 illustrated in Figure 4 Coupling device will be of appropriate Belt driven.
  • the coupling piece 15 is, for example. coupled to the drive pulley 12 by moving it so far the drive pulley 12 is pushed up that its outer Section 46 on the edge 35 of the drive pulley 12 is present.
  • the fingers 38 of the drive pulley grip 12 between the corresponding teeth of the toothing 44, but without with their end faces on the disc-shaped Section 45. Between the end faces of the Finger 38 and section 45 remain a lint space 70, which is not narrowed to a crack. So that will be Avoid fluff pressing into a compact deposit.
  • a lint space 71 also remains between the End face 71 of the hub 41 and the deep groove ball bearing 5 or its sealing. By the left between the fingers 38 The fluff space 71 is radial through gaps open to the outside in the interior 37, which serves as a lint-receiving space can serve.
  • the part of the drive pulley 11 belonging to Coupling device 30 is now open, so that can form deposits here.
  • fluff is deposited on the toothing 44.
  • the upper drive pulley 11 is now activated by the coupling piece 15 is moved up, push the total of five fingers 38 the lint from the corresponding Grooves of the teeth 44 in front of them without them to condense. This is because even in full engaged state a distance between the front ends of the fingers 38 and the disc-shaped Section 45 remains.
  • the fluff pushed away can radially outward due to the rounding of the fingers 38 dodge. This is also supported by the centrifugal force when the clutch device 30 rotates.
  • the fingers 38 can be on the face also have an inclined surface so that the finger 38 has a tip lying in the groove.
  • any fluff packs pushed together can at the latest after switching the clutch if the annulus 37 is opened to the outside again by centrifugal force to be flung outwards so that the clutch device 30 has self-cleaning properties.
  • the fluff spaces 70, 71 are kept clean in this way.
  • the coupling device 30 is because of its open design also easy to clean, for example by using Compressed air is blown out.
  • Embodiment is a simple coupling device 30 'with only one drive pulley 12 '.
  • the main difference from that described above Embodiment consists in the omission of the drive pulley 11.
  • the drive pulley 12 ' is with the drive pulley 12 of the embodiment described above trained accordingly.
  • the coupling piece 15 ' has only on one side a hub with the corresponding For which the description of the Coupling piece 15 applies accordingly.
  • a thread delivery device is with a coupling device 30 provided with a drive pulley 12 if necessary a thread delivery wheel 7 to rotate.
  • the coupling device 30 is designed in an open design, in which every training of condensing Is avoided.
  • a coupling half has this axial fingers in the radially open longitudinal grooves of the grasp other coupling half by a toothing 44 are formed.
  • the grooves of the toothing 44 are longer than the length of engagement between finger 38 and toothing 44.
  • the between the end faces of the fingers 38 and the in The next wall formed in the axial direction is in Radial direction open or stands with a larger interior 37 in connection. This will compress or Avoid pressing of deposited lint.

Description

Die Erfindung betrifft eine Kupplungseinrichtung mit den Merkmalen des Oberbegriffs des Patentanspruchs 1, sowie ein mit einer solchen Kupplungseinrichtung ausgestattetes Fadenliefergerät.The invention relates to a coupling device the features of the preamble of claim 1, and one equipped with such a coupling device Thread delivery device.

An Textilmaschinen oder an Zubehörgeräten für diese sind häufig Kupplungseinrichtungen erforderlich, mit denen drehbare Maschinenteile bedarfsweise drehfest miteinander verbunden oder antriebsmäßig voneinander getrennt werden können. Solche Kupplungseinrichtungen arbeiten in der Regel formschlüssig. Problematisch ist bei solchen Kupplungseinrichtungen die relativ große Schmutzbelastung. Von den verarbeiteten Garnen geht Staub in Form sich ablösender Filamente aus, der sich an ruhenden und bewegten Maschinenteilen absetzt. Außerdem lösen sich von den häufig relativ schnell bewegten Garnen Partikel aus der Imprägnierung, die sich dann bspw. als dünner Paraffinüberzug an den Maschinenteilen absetzen. Aus den Filamenten und ggf. den Imprägnierungsbestandteilen bildet sich dann eine Flusablagerung, die häufig störend ist und die Funktion der Kupplungseinrichtung beeinträchtigen kann.On textile machines or on accessories for them coupling devices are often required with which rotatable machine parts can be rotated together if necessary connected or separated from each other in terms of drive can be. Such coupling devices work in usually form-fitting. This is problematic Coupling devices the relatively large pollution. Dust from the processed yarn gets in shape detaching filaments, which are attached to resting and moving machine parts. They also detach themselves from particles from the often relatively quickly moving yarns the impregnation, which can then be used, for example, as a thin paraffin coating put down on the machine parts. From the filaments and if necessary forms the impregnation components then a lint deposit that is often bothersome and impair the function of the coupling device can.

Insbesondere Kupplungseinrichtungen können unter den Flusablagerungen leiden. Steht bspw. eine formschlüssige Zahnkupplung längere Zeit in Trennstellung, kann sich auf den offenliegenden Zähnen Flus ablagern (ungeordnet abgelagerte Filamente, Staub sowie sonstige Schmutzpartikel, wie Paraffin, Öl und sonstiges), der dann beim Kuppeln der Zahnkupplung zusammengedrückt wird. Wird dieser Vorgang mehrmals wiederholt, d.h. die Kupplung getrennt und mit auf den Zähnen abgelagertem Flus wieder eingekuppelt, sammelt sich allmählich soviel zusammengeschobener (kompaktierter) Flus auf der Zahnkupplung an, dass diese nicht mehr ausreichend gekuppelt werden kann.In particular, coupling devices can be among the River deposits suffer. For example, there is a positive Tooth coupling in the disconnected position for a long time, deposit the exposed teeth of the river (disorderly deposited Filaments, dust and other dirt particles, such as paraffin, oil and other), which then when coupling the tooth coupling is compressed. This process repeated several times, i.e. the clutch disconnected and engaged again with the river deposited on the teeth, gradually accumulates so much more compacted Flus on the tooth coupling that this can no longer be coupled sufficiently.

Mit dem in Figur 1 veranschaulichten aus der Praxis bekannten Fadenliefergerät ist versucht worden, diesem Problem zu begegnen. Das Fadenliefergerät weist einen Haltekörper 1 auf, der mit einem Ende 2 an einem entsprechenden Ring einer Strickmaschine zu befestigen ist. An dem davon abliegenden Ende weist der Grundkörper einen Ansatz 3 mit einer Durchgangsbohrung auf, in der mittels zweier voneinander beabstandeter Rillenkugellager 4, 5 eine in Gebrauch meist vertikal orientierte Welle 6 drehbar gelagert ist. Diese trägt an ihrem in Figur 1 unteren Ende ein Fadenlieferrad 7 in Käfigbauweise. An ihrem oberen Ende trägt die Welle 6 über Rillenkugellager 8, 9 zwei drehbar auf der Welle gelagerte Antriebsscheiben 11, 12, die im Abstand zueinander angeordnet sind. Zwischen den Antriebsscheiben 11, 12 sitzt auf einem drehfest mit der Welle 6 verbundenen Sechskantabschnitt 14, drehfest ein Kupplungsstück 15. Dieses ist an seinen beiden einander gegenüberliegenden Flachseiten (Oberseite und Unterseite) mit Naben 16, 17 versehen, die eine Außenverzahnung tragen. Die Außenverzahnung paßt jeweils zu einer an den Antriebsscheiben 11, 12 ausgebildeten Innenverzahnung 18, 19, so dass die jeweilige Antriebsscheibe 11 oder 12 drehfest mit der Welle 6 gekuppelt ist, wenn das Kupplungsstück 15 mit der betreffenden Antriebsscheibe 11 oder 12 in Eingriff gebracht wird.With that illustrated in Figure 1 from practice known thread delivery device has been tried this Counter problem. The thread delivery device has one Holding body 1, with one end 2 on a corresponding Ring of a knitting machine. On the end lying away from the base body has one Approach 3 with a through hole in which means two spaced deep groove ball bearings 4, 5 a shaft 6 which is usually vertically oriented in use is stored. This bears on its lower one in FIG End of a thread delivery wheel 7 in a cage design. On hers the upper end carries the shaft 6 via deep groove ball bearings 8, 9 two drive disks 11 rotatably mounted on the shaft, 12, which are arranged at a distance from each other. Between the drive disks 11, 12 are seated on a non-rotatable the shaft 6 connected hexagon section 14, rotatably a coupling piece 15. This is on his two each other opposite flat sides (top and bottom) provided with hubs 16, 17 which have an external toothing wear. The external toothing fits one internal teeth formed on the drive disks 11, 12 18, 19, so that the respective drive pulley 11 or 12 is rotatably coupled to the shaft 6, if that Coupling piece 15 with the relevant drive disk 11 or 12 is engaged.

Um einen Zutritt von Staub, Flusen oder sonstigen Ablagerungen zu den Verzahnungen 16, 17, 18 und 19 zu verhindern, ist das Kupplungsstück 15 an seinen beiden Flachseiten mit rohrförmigen Ansätzen 21, 22 versehen, die in entsprechende Ringräume 23, 24 der Antriebsscheiben 11, 12 greifen und die Kupplungseinrichtung somit nach außen abdecken.To prevent dust, fluff or other Deposits to the teeth 16, 17, 18 and 19 too prevent, the coupling piece 15 on both of them Flat sides provided with tubular projections 21, 22, the corresponding annular spaces 23, 24 of the drive pulleys 11, 12 grip and thus the coupling device cover to the outside.

Zwischen dem jeweiligen Ansatz 21, 22 und den Wandungen des jeweiligen Ringraumes 23, 24 muß ein gewisses Spiel vorhanden sein, um eine Mitnahme oder reibschlüssige Kupplung der Kupplungseinrichtung in Trennstellung zu verhindern. Dadurch kann die Abdichtung naturgemäß nur unvollständig sein. Außerdem können sich in den Ringräumen 23, 24 Flusen ansammeln, die am Ende ein axiales Verschieben des Kupplungsstücks 15 verhindern. Während Flusen mit der Zeit also durchaus durch die Ringräume 23, 24 eindringen können, sind sie beim Einkuppeln, also Verengen der Ringräume 23, 24 in diesen gefangen. Obwohl die Ringräume 23, 24 nicht hermetisch dicht sind, lassen sie bei Einkuppeln die Flusen nicht heraus und sind insoweit dicht.Between the respective approach 21, 22 and the walls of the respective annular space 23, 24 must have a certain Game to be present to take away or friction Coupling of the coupling device in the disconnected position prevent. As a result, the seal can only to be incomplete. They can also be found in the annuli 23, 24 accumulate lint, which in the end will move axially prevent the coupling piece 15. During lint over time through the annular spaces 23, 24 can penetrate, they are when engaging, i.e. narrowing the annular spaces 23, 24 caught in these. Although the Annuli 23, 24 are not hermetically sealed, let them when engaging the fluff does not come out and is so far tight.

Ein weiteres Problem ergibt sich aus einer an dem Kupplungsstück 15 vorgesehenen Rasteinrichtung 26. Diese wird durch eine in einer Radialbohrung gelagerte Kugel oder einen Stift gebildet, der federbelastet radial nach innen gedrückt wird und in entsprechende Ausnehmungen in dem Sechskant 14 greift. Bildet sich hier Passungsrost oder dringen Flusen ein, kann eine ordnungsgemäße Funktion nicht mehr sichergestellt werden. Bspw. kann das Kupplungsstück 15 blockiert, d.h. axial nicht mehr verschiebbar sein oder die Rastwirkung fällt aus und das Kupplungsstück 15 hält nicht mehr in seinen vorgesehenen Stellungen.Another problem arises from one at that Coupling piece 15 provided locking device 26. This is by a ball in a radial bore or formed a pin that is radially spring-loaded is pressed inside and in corresponding recesses in the hexagon 14 engages. Fitting rust forms here or penetrate fluff, can function properly can no longer be ensured. E.g. can the Coupling piece 15 blocked, i.e. axially no longer displaceable be or the locking action fails and that Coupling piece 15 no longer holds in its intended Positions.

Passungsrost kann außerdem zwischen dem Kupplungsstück und dem Sechskant auftreten, wodurch das Kupplungsstück verklemmen kann.Fretting corrosion can also occur between the coupling piece and the hexagon occur, causing the coupling piece can jam.

Aus der DE 30 42 989 A1 ist eine Fadenliefervorrichtung für Textilmaschinen bekannt, die ein drehbar gelagertes angetriebenes Fadenlieferrad aufweist. Das Fadenlieferrad ist über eine Kupplungseinrichtung mit einem Antriebsrad gekoppelt. Die Kupplungseinrichtung ist eine schaltbare formschlüssige Kupplung, deren eine Kupplungshälfte sich in Axialrichtung erstreckende Bolzen aufweist und deren andere Kupplungshälfte entsprechende Öffnungen zur Aufnahme der Bolzen aufweist.DE 30 42 989 A1 describes a thread delivery device known for textile machines that have a rotatably mounted driven thread delivery wheel. The thread delivery wheel is via a coupling device with a Drive wheel coupled. The coupling device is a switchable positive coupling, one coupling half has bolts extending in the axial direction and their other coupling half corresponding openings for receiving the bolt.

An den Kupplungshälften können sich Flusen ablagern, die zusammengedrückt werden, wenn die Kupplungshälften zusammengeführt werden. Abgelagerte und zusammengedrückte Flusschichten können auf Dauer so dick werden, dass ein Kuppeln der Kupplung nicht mehr sicher möglich ist.Lint can accumulate on the coupling halves, which are compressed when the coupling halves be brought together. Deposited and compressed In the long run, river layers can become so thick that a Coupling the clutch is no longer possible safely.

Dies gilt entsprechend für das aus der TW 108049 A1 bekannte Fadenliefergerät. Das Fadenliefergerät weist eine Zahnkupplung auf, deren Kupplungshälften stirnseitig mit Gegenflächen in Anlage kommende verzahnte Muffen oder Ansätze aufweisen. Hier vorhandene Ablagerungen können ein ordnungsgemäßes Einkuppeln verhindern.This applies accordingly to that from TW 108049 A1 known thread delivery device. The thread delivery device points a tooth coupling, the coupling halves on the front toothed sleeves coming into contact with mating surfaces or Have approaches. Deposits present here can prevent proper engagement.

Davon ausgehend ist es Aufgabe der Erfindung, ein Fadenliefergerät und eine Kupplungseinrichtung zu schaffen, die weniger empfindlich gegen Verschmutzung sind und/oder weniger Wartung erfordern.Based on this, it is an object of the invention to To create thread delivery device and a coupling device that are less sensitive to pollution and / or require less maintenance.

Diese Aufgabe wird durch eine Kupplungseinrichtung mit den Merkmalen des Patentanspruchs 1 und durch ein Fadenliefergerät mit den Merkmalen des Patentanspruchs 25 gelöst.This task is accomplished by a coupling device with the features of claim 1 and by a Thread delivery device with the features of claim 25 solved.

Die erfindungsgemäße Kupplungseinrichtung weist wenigstens zwei Kupplungshälften auf, von denen wenigstens eine axial verschiebbar gelagert ist, so dass formschlüssige Kupplungselemente in- und außer Eingriff gebracht werden können. Die Kupplungselemente wenigstens einer der Kupplungshälften sind dabei freistehend ausgebildet und zusätzlich sind beide Kupplungshälften so ausgebildet, dass beim Einrücken der Kupplung keine sich volumenmäßig verringernden Teilräume entstehen oder abgeteilt werden. Dies wird erreicht, indem die freistehenden Kupplungselemente beim Einrücken der Kupplung keinen abgeschlossenen Raum definieren. Dies ist im Gegensatz dazu bei der Zahnkupplung nach Figur 1 der Fall, bei der die mit der Verzahnung 16 versehene Nabe Flusen in die entsprechende Ausnehmung der Antriebsscheibe 11 eindrückt. Demgegenüber weist die erfindungsgemäße Kupplungseinrichtung eine offene Bauweise auf, bei der in unmittelbarer Nachbarschaft der freistehenden Kupplungselemente Freiräume vorhanden sind, durch die Flusen, die von den Kupplungselementen zusammengeschoben werden, austreten oder wenigstens aus dem Stirnbereich der Kupplungselemente entfernt werden können, so dass sie sich nicht zwischen aufeinander zu bewegbaren Flächen ansammeln. Die offene Bauweise wird dadurch erreicht, dass die Kupplungsmittel wenigstens einer Kupplungshälfte freistehend ausgebildet sind. Jegliche begrenzende Fläche, die mit dem anderen Kupplungsmittel die freistehenden Kupplungselemente in einem (ringförmigen) Zwischenraum einschliesst, ist in Radialrichtung so weit von den freistehenden Kupplungselementen entfernt, dass ein Spalt entsteht, der Flusen ungehindert austreten lässt. Die freistehenden Kupplungselemente sind außerdem so bemessen, dass sie stirnseitig nicht mit Flächen der anderen Kupplungshälfte in Anlage kommen, so dass auch dort keine sich zu weit verengenden Spalten ausgebildet sind. Im Gegensatz zu dem Stand der Technik wird somit gerade nicht versucht, die Kupplung nach außen abzudichten, sondern durch die offene Bauweise ist ein Flusenzutritt möglich. Gleichermaßen ist jedoch das Austragen von Flusen möglich, so dass, wenn eine Wartung überhaupt erforderlich ist, diese durch einfaches Ausblasen der frei zugänglichen Kupplungsräume bspw. mit Druckluft möglich ist. Dies erleichtert die Wartung.The coupling device according to the invention has at least two coupling halves, at least of which one is axially displaceable, so that positive Coupling elements brought in and out of engagement can be. The coupling elements at least one of the coupling halves are free-standing and in addition, both coupling halves are designed that when the clutch is engaged, none of them volume-reducing subspaces are created or partitioned become. This is achieved by the freestanding Coupling elements not locked when engaging clutch Define space. This is in contrast to it in the tooth coupling according to Figure 1, in which the with the toothing 16 provided hub fluff in the corresponding Depresses the drive pulley 11. In contrast, the coupling device according to the invention an open design, in the immediate Neighborhood of the free-standing coupling elements are present through the lint from the coupling elements be pushed together, exit or at least from the front area of the coupling elements can be removed so that they are not between accumulate to form movable surfaces. The open one Construction is achieved in that the coupling means at least one coupling half is free-standing are. Any bounding area that is with the other Coupling means the free-standing coupling elements in enclosing an (annular) space is in Radial direction as far from the free-standing coupling elements removed that there is a gap, the fluff can emerge unhindered. The free-standing coupling elements are also dimensioned so that they face not in contact with surfaces of the other coupling half come, so that there are no narrowing too far Columns are formed. Contrary to the state of the Technology is therefore not currently being attempted, the clutch to seal to the outside, but by the open construction lint access is possible. Likewise, however the discharge of lint is possible, so when maintenance is required at all by simple Blow out the freely accessible coupling spaces, e.g. with Compressed air is possible. This makes maintenance easier.

Die freistehend angeordneten Elemente sind vorzugsweise Kupplungsfinger, die bspw. axial ausgerichtet sind und somit jeweils mit einer Flanke oder einer Kante mit dem anderen Kupplungsmittel in Eingriff kommen. Dieses weist dann entsprechende axial angeordnete Nuten auf, die vorzugsweise eine Länge haben, die die Eingriffslänge in gekuppeltem Zustand übersteigt. Außerdem ist es möglich, die Nuten an beiden Enden offen zu halten, so dass hier Flusen austreten können.The free-standing elements are preferred Coupling fingers that are aligned axially, for example and thus with a flank or an edge engage the other coupling agent. This then has corresponding axially arranged grooves that preferably have a length that is the engagement length in coupled state exceeds. It is also possible keep the grooves open at both ends, so here Lint can escape.

Stehen die Finger in gekuppeltem Zustand lediglich mit einem Abschnitt in Berührung können die Finger relativ stark ausgelegt werden, so dass sie der Drehmomentbeanspruchung gewachsen sind. Andererseits sind die Nuten nicht sehr tief, so dass nur wenig Flus von den Fingern aus dem Eingriffsbereich der Nuten zu schieben ist. Der (radiale) Austritt der Flusen kann dabei erleichtert werden wenn die Finger an ihren Stirnseiten verrundet sind. Vorzugsweise sind die Kupplungsfinger an ihrem stirnseitigen Ende etwas zugespitzt, wobei die Spitzen in gekuppeltem Zustand in der jeweils zugeordneten Nut liegen. Dadurch werden beim Einkuppeln abgelagerte Flusen aus der Nut ausgehoben und entfernt. Außerdem erleichtern die Spitzen das Einfinden der Finger in die Nuten der Verzahnung der anderen Kupplungshälfte, insbesondere wenn die Zähne ebenfalls zugespitzt sind. Die Kupplung ist dann selbsteinfindend.The fingers are only in a coupled state with a section in contact, the fingers can be relative designed to be strong so that they can withstand the torque have grown. On the other hand, the grooves not very deep, so little fluff from your fingers is to be pushed out of the engagement area of the grooves. The (Radial) discharge of the fluff can be made easier if the fingers are rounded on their front sides. The coupling fingers are preferably on their end faces Somewhat tapered at the end, with the tips in coupled State in the assigned groove. As a result, deposited lint from the Groove excavated and removed. They also make it easier Tips for finding the fingers in the grooves of the toothing the other coupling half, especially if the Teeth are also pointed. The clutch is then self-finding.

Außerdem können die Finger an ihrer jeweils mit den anderen Kupplungselementen in Eingriff zu bringenden Seite verrundet sein, wodurch das Hängenbleiben von Flusen weitgehend vermieden wird. Ansonsten ist der Querschnitt jedoch vorzugsweise dreieckig wobei die Nuten entsprechend geformt sind.In addition, the fingers on each of them with the other coupling elements to be brought into engagement Side be rounded, causing the lint to get caught is largely avoided. Otherwise the cross section but preferably triangular with the grooves are shaped accordingly.

Prinzipiell können beide Kupplungshälften mit freistehenden Kupplungselementen versehen sein. Jedoch wird vorzugsweise eine Verzahnung an einer Kupplungshälfte mit freistehenden Kupplungselementen an der anderen Kupplungshälfte kombiniert. Damit ergibt sich eine spielarme Kupplungsverbindung in nahezu beliebigen Drehstellungen. Die freistehenden Kupplungselemente sind dabei vorzugsweise in größeren Abständen zueinander angeordnet, so dass beim Kuppeln lediglich wenige Nuten geräumt werden. Auch dadurch wird vermieden, dass größere Flusmengen zusammengeschoben und festgedrückt werden. Werden bei einem nachfolgenden Kupplungsvorgang Flusen in anderen Nuten zusammengeschoben, können die zuvor gebildeten Fluspakete durch die Fliehkraft nach außen befördert werden womit sie die Kupplungseinrichtung verlassen.In principle, both coupling halves can be freestanding Be coupling elements provided. However preferably with a toothing on a coupling half free-standing coupling elements on the other coupling half combined. This results in a low backlash Coupling connection in almost any rotational position. The free-standing coupling elements are preferred arranged at greater distances from each other, so that only a few grooves are cleared when coupling. This also prevents larger amounts of flow from being pushed together and be pressed down. Be at one subsequent coupling process lint in other grooves pushed together, the previously formed river packages with which centrifugal force is carried out they leave the coupling device.

Dem sich bei herkömmlichen Rasteinrichtungen ergebenden Verschmutzungsproblem wird begegnet, indem als Fixiereinrichtung eine vorzugsweise als Raste ausgebildete Zunge vorgesehen wird, die von einem freigestellten Abschnitt einer Nabe gebildet ist. Auch die Rastzunge ist somit ein weitgehend freistehendes Element, das bei seiner Bewegung keine Flusen zusammenschiebt oder verdichtet.The result of conventional locking devices Pollution problem is addressed by as Fixing device a preferably designed as a catch Tongue is provided by an exempt Section of a hub is formed. The latch is also thus a largely free-standing element that at no fluff is compressed or compressed during its movement.

Vorteilhafterweise ist die Kupplungseinrichtung so ausgebildet, das nur Kunststoffoberflächen aneinander anliegen. Bspw. ist die gesamte Kupplung aus Kunststoffteilen gebildet, so dass kein Passungsrost entstehen kann und die Kupplungseinrichtung auch dann noch betätigbar ist wenn sie sehr lange auch in korrosiver Umgebung benutzt worden ist, ohne jemals umgeschaltet worden zu sein.The coupling device is advantageously so trained that only plastic surfaces lie against each other. E.g. the entire coupling is made of plastic parts formed so that no fretting corrosion can occur and the coupling device can still be actuated is when it is used for a very long time in a corrosive environment has been without ever been switched his.

Ein mit einer wie vorstehend beschriebenen Kupplungseinrichtung versehenes Fadenliefergerät ist infolge der neuartigen Bauweise der Kupplungseinrichtung einfacher zu warten und unterliegt weniger der Gefahr, mit der Zeit funktionsunfähig zu werden. Es kann auch zum Zuliefern von Garnen verwendet werden, die zu relativ starken Flusablagerungen führen, ohne dass diese die Funktionsfähigkeit der Kupplungseinrichtung und der Schaltbarkeit beeinträchtigen.One with a coupling device as described above provided thread delivery device is as a result the new design of the coupling device easier to wait and is less at risk with Time to become inoperable. It can also be used to supply used by yarns that are too strong Lusse deposits lead without their functionality the coupling device and the switchability affect.

Weitere Einzelheiten vorteilhafter Ausführungsformen der erfindungsgemäßen Kupplungseinrichtung bzw. des erfindungsgemäßen Fadenliefergeräts ergeben sich aus Unteransprüchen, der Beschreibung und der dazugehörigen Zeichnung. In der Zeichnung veranschaulichen:

  • Figur 1 ein Fadenliefergerät nach dem Stand der Technik in längsgeschnittener, schematisierter Darstellung,
  • Figur 2 eine erfindungsgemäße Kupplungseinrichtung für das Fadenliefergerät nach Figur 1, in Perspektivdarstellung,
  • Figur 2a die Kupplungseinrichtung nach Figur 2, in Seitenansicht,
  • Figur 3 die Kupplungseinrichtung nach Figur 2, in perspektivischer Explosionsdarstellung, in einem anderen Maßstab,
  • Figur 4 die Kupplungseinrichtung nach Figur 2 und 3, in schematisierter Längsschnittdarstellung und in einem anderen Maßstab,
  • Figur 5 eine freistehende Kupplungselemente aufweisende Kupplungshälfte der Kupplungseinrichtung nach den Figuren 2 bis 4, in einer Vorderansicht,
  • Figur 6 eine axial verschiebbar gelagerte Kupplungshälfte der Kupplungseinrichtung nach den Figuren 2 bis 4 in einer Draufsicht,
  • Figur 7 eine abgewandelte Ausführungsform der erfindungsgemäßen Kupplungseinrichtung, in Seitenansicht und
  • Figur 8 die Kupplungseinrichtung nach Figur 7, in einer perspektivischen Explosionsdarstelllung.
    • Further details of advantageous embodiments of the coupling device according to the invention or of the thread delivery device according to the invention result from subclaims, the description and the associated drawing. Illustrate in the drawing:
  • FIG. 1 shows a thread delivery device according to the prior art in a longitudinally sectioned, schematic representation,
  • FIG. 2 shows a coupling device according to the invention for the thread delivery device according to FIG. 1, in a perspective view,
  • FIG. 2a, the coupling device according to FIG. 2, in a side view,
  • 3 shows the coupling device according to FIG. 2, in a perspective exploded view, on a different scale,
  • FIG. 4 the coupling device according to FIGS. 2 and 3, in a schematic longitudinal sectional illustration and on a different scale,
  • FIG. 5 shows a free-standing coupling half of the coupling device according to FIGS. 2 to 4, in a front view,
  • 6 shows an axially displaceably mounted coupling half of the coupling device according to FIGS. 2 to 4 in a top view,
  • Figure 7 shows a modified embodiment of the coupling device according to the invention, in side view and
  • Figure 8 shows the coupling device of Figure 7, in a perspective exploded view.

    • Beschreibungdescription

    Das erfindungsgemäße Fadenliefergerät weist wie das in Figur 1 veranschaulichte, aus dem Stand der Technik bekannte Fadenliefergerät einen Grund- oder Haltekörper 1 auf, der zur Verbindung und Befestigung an einem Geräteträgerring einer Strickmaschine eingerichtet ist. An dem Grundkörper 1 ist mittels der Rillenkugellager 4, 5 bzw. anderweitiger Wälzlager die Welle 6 gelagert, die an ihrem unteren Ende das Fadenlieferrad 7 und an ihrem oberen Ende die Antriebsscheiben 11, 12 trägt, die mittels der Rillenkugellager 8, 9 drehbar auf dieser gelagert sind. Die Antriebsscheiben 11, 12 sind außen mit einer Verzahnung oder mit einer sonstigen Profilierung versehen, so dass sie mit einem entsprechenden Antriebsriemen (Zahnriemen) in nichtschlüpfende Verbindung gebracht werden können.The thread delivery device according to the invention shows how that illustrated in Figure 1 from the prior art known thread delivery device a base or holding body 1 on that for connection and attachment to an equipment carrier ring a knitting machine is set up. To the Base body 1 is by means of deep groove ball bearings 4, 5 or otherwise roller bearings, the shaft 6, which on their lower end of the thread delivery wheel 7 and at its upper End carries the pulleys 11, 12, which by means of Deep groove ball bearings 8, 9 are rotatably mounted on this. The drive disks 11, 12 are externally toothed or provided with another profile, so that with an appropriate drive belt (toothed belt) be brought into non-hatching connection can.

    Die Antriebsscheiben 11, 12 und das Kupplungsstück 15 bilden gemeinsam eine Kupplungeinrichtung 30, die abweichend von der Darstellung in Figur 1 ausgebildet ist.The drive disks 11, 12 and the coupling piece 15 together form a coupling device 30, which is different is formed from the representation in Figure 1.

    Die erfindungsgemäße Kupplungseinrichtung 30 geht aus den Figuren 2 bis 6 im Ganzen bzw. in Teilen hervor. Die in Figur 2 veranschaulichte Kupplungseinrichtung 30 ist eine Umschaltkupplung, bei der die drehfest mit der nicht weiter dargestellten durchlaufenden Welle gekuppelte Kupplungsscheibe 15 alternativ entweder mit der Antriebsscheibe 11 oder der Antriebsscheibe 12 zu kuppeln ist. Die Antriebsscheiben 11, 12 sind Zahnriemenscheiben die mit unterschiedlichen Drehzahlen und/oder in unterschiedlichen Drehrichtungen angetrieben sind.The coupling device 30 according to the invention goes from Figures 2 to 6 in whole or in part. The coupling device 30 illustrated in FIG. 2 is a changeover clutch, in which the rotationally fixed with the coupled continuous shaft not shown Clutch disc 15 alternatively either with the drive disc 11 or the drive disc 12 to couple is. The drive pulleys 11, 12 are toothed belt pulleys those with different speeds and / or in different Direction of rotation are driven.

    Der Aufbau der Kupplungseinrichtung 30 geht im Einzelnen aus den Figuren 2, 2a und 3 hervor. Die Antriebsscheiben 11, 12 sind mit den Rillenkugellagern 8, 9 drehbar, jedoch axial unverschiebbar auf der in Figur 4 lediglich durch ihre Mittellinie 6' angedeuteten Welle 6 gehalten. Die Antriebsscheiben 11, 12 sind dabei untereinander gleich ausgebildet. Sie weisen einen Lagersitz 31 zur Aufnahme des Außenrings 32 des jeweiligen Rillenkugellagers 8, 9 auf. Dieser etwa ringförmige zylindrische Lagersitz 31 ist über einen sich in Radialrichtung erstreckenden Steg 33 mit einem ringförmigen Außenabschnitt 34 verbunden, der die Verzahnung trägt und an seinen beiden axialen Enden mit einem flanschartigen Rand 35 versehen ist. Der Steg 33 kann als geschlossene Scheibe ausgebildet sein oder Öffnungen aufweisen.The structure of the coupling device 30 goes in detail from Figures 2, 2a and 3. The drive pulleys 11, 12 are rotatable with the deep groove ball bearings 8, 9, however axially immovable only on that in Figure 4 indicated by its center line 6 'shaft 6 held. The drive pulleys 11, 12 are among themselves equally trained. They have a camp seat 31 for receiving the outer ring 32 of the respective deep groove ball bearing 8, 9 on. This approximately circular cylindrical Bearing seat 31 is in the radial direction extending web 33 with an annular outer portion 34 connected, which carries the teeth and on its two axial ends with a flange-like edge 35 is provided. The web 33 can be a closed disc be formed or have openings.

    Zwischen dem Außenabschnitt 34 und der Welle 6 (6') ist ein ringförmiger Innenraum 37 begrenzt, der in einer Axialrichtung offen ist. In dem Innenraum sind, wie Figur 5 veranschaulicht, insgesamt fünf im Querschnitt dreiekkig ausgebildete Finger 38 angeordnet, die sich von dem Lagersitz 31 in Axialrichtung weg erstrecken und die als Kupplungselemente dienen. Die Finger 38 bilden gemeinsam mit dem sie haltenden Abschnitt der Antriebsscheibe 12 eine Kupplungshälfte 12a.Between the outer section 34 and the shaft 6 (6 ') is an annular interior 37 bounded in a Axial direction is open. In the interior are like figure 5 illustrates a total of five triangular in cross section trained fingers 38 arranged, which is different from the Bearing seat 31 extend in the axial direction and the Serve coupling elements. The fingers 38 form together with the portion of the drive pulley 12 that holds them a coupling half 12a.

    Die Finger 38 sind im Abstand zu der etwa zylindrischen Innenfläche des Außenabschnitts 34 angeordnet und an ihrer zu der Innenfläche weisenden Seite abgerundet, wie insbesondere aus Figur 5 hervorgeht. Außerdem sind sie, wie Figur 4 veranschaulicht, an ihrem freien Ende verrundet. Dabei schliesst jeder sich axial erstreckende Finger 38 etwa in einer Ebene mit dem Rand 35 des Außenabschnittes 34 ab. Der Rand 35 definiert eine als Widerlager dienende radiale Ringfläche. An seiner radial innenliegenden Seite ist jeder Finger 38 mit einer rechtwinkligen oder leicht spitzwinkligen Kante 39 versehen, die mit den daran anschliessenden Flanken 40 zur Kupplung mit dem Kupplungsstück 15 dient.The fingers 38 are at a distance from the approximately cylindrical Arranged inner surface of the outer portion 34 and rounded on its side facing the inner surface, as can be seen in particular from FIG. 5. Also are it, as Figure 4 illustrates, at its free end rounded. Each closes axially extending Finger 38 approximately in a plane with the edge 35 of the outer section 34 from. The edge 35 defines one as an abutment serving radial ring surface. On its radially inner Each finger is 38 with a rectangular side or slightly acute-angled edge 39, the with the adjoining flanks 40 for coupling serves with the coupling piece 15.

    Das aus den Figuren 3 und 4 hervorgehende sowie separat in Figur 6 dargestellte Kupplungsstück 15 ist ein einstückiger Kunststoffkörper mit einer zentralen Nabe 41, die eine zentrale Bohrung 42 mit zylindrischer Innenfläche aufweist. Die Nabe 41 ist an ihrer radial äußeren Seite mit einer Verzahnung 44 versehen, die so ausgebildet ist, dass sie mit den Fingern 38 der Antriebsscheiben 11, 12 in Eingriff gebracht werden kann. Sie bildet somit eine Kupplungshälfte 15a. Die Verzahnung 44 erstreckt sich dabei über die gesamte Länge der Nabe 41 bis zu einem sich radial nach außen erstreckenden scheibenförmigen Abschnitt 45, der an dem radial äußeren Rand einen ringförmig verdickten Abschnitt 46 aufweist. Dieser weist eine radiale Ringfläche auf, die als Anschlagmittel zur Begrenzung des Kupplungshubs dient.That shown in Figures 3 and 4 and separately coupling piece 15 shown in FIG. 6 is a one-piece plastic body with a central hub 41, which has a central bore 42 with a cylindrical inner surface having. The hub 41 is on its radially outer one Side provided with a toothing 44 which is formed in this way is that with the fingers 38 of the drive pulleys 11, 12 can be brought into engagement. It thus forms a coupling half 15a. The toothing 44 extends itself over the entire length of the hub 41 to one radially outwardly extending disc-shaped Section 45, which is annular at the radially outer edge has thickened portion 46. This points a radial ring surface, which as a sling for Limitation of the clutch stroke is used.

    Die Abmessungen der Nabe 41 und des äußeren Abschnitts 46, d.h. der Kupplungshub, ist in Axialrichtung so aufeinander abgestimmt, dass die Nabe 41 axial einige Millimeter über den Abschnitt 46 hinaussteht. Jedoch ist dieser Überstand geringer als die Länge der Finger 38 gemessen von dem Lagersitz 31 bis zu ihrem stirnseitigen Ende. Der Überstand legt die Eingriffstiefe der Kupplungseinrichtung 30 fest.The dimensions of the hub 41 and the outer portion 46, i.e. the clutch stroke is in the axial direction matched so that the hub 41 axially some Millimeter protrudes beyond section 46. However is this protrusion is less than the length of the fingers 38 measured from the bearing seat 31 to its front The End. The protrusion defines the depth of engagement of the coupling device 30 firm.

    Wie Figur 2a veranschaulicht, liegt die Verzahnung 44 der Nabe 41 somit zum Teil von außen sichtbar frei.As Figure 2a illustrates, the toothing lies 44 of the hub 41 thus partially visible from the outside.

    Zur Arretierung des Kupplungsstücks 15 in entsprechenden Kupplungs- oder Trennstellungen dienen zwei Rastzungen 51, 52, die aneinander diametral gegenüberliegenden Stellen der Nabe 41 freigeschnitten sind. Die Rastzungen 51, 52 sind mit einem Ende an einer radialen Stirnseite der Nabe mit dieser verbunden, während das andere Ende der Rastzunge 51 radial frei nach außen federn kann. Wie Figur 6 veranschaulicht, ist die Nabe 41 dazu mit einem entsprechenden Ausschnitt 53 versehen, der radial nach außen offen ist. Das federnde Ende der Rastzunge 51 (52) ist mit einem gewölbten Rastabschnitt versehen. Die Ausschnitte 53 unterbrechen die Verzahnung 44. Jedoch beeinträchtigt dies die Kupplungswirkung nicht. Sollte ein Finger 38 im Bereich einer Ausnehmung 53 stehen, wird die Kraftübertragung durch die anderen Finger 38 sichergestellt.To lock the coupling piece 15 in corresponding Coupling or separating positions serve two locking tongues 51, 52, the diametrically opposite one another Make the hub 41 are cut free. The latches 51, 52 are at one end on a radial Face of the hub connected to this while the spring the other end of the locking tongue 51 radially outwards can. As illustrated in FIG. 6, the hub is 41 to this end provided with a corresponding cutout 53 which is open radially outwards. The resilient end of the locking tongue 51 (52) is provided with a curved locking section. The cutouts 53 interrupt the toothing 44. However, this does not affect the coupling effect. If a finger 38 is in the region of a recess 53, the power transmission through the other fingers 38 ensured.

    Wie die Figuren 3 und 4 veranschaulichen, ist zwischen den Antriebsscheiben 11, 12 ein wie das Kupplungsstück 15 aus Kunststoff bestehendes hülsenförmiges Distanzstück 57 angeordnet. Dieses weist an seiner ansonsten zylindrischen Außenseite 58, auf der das Kupplungsstück 15 mit geringem Spiel gleiten kann, zwei an einander diametral gegenüberliegenden Stellen angeordnete leistenartige Vorsprünge 59 auf. Diese greifen in die Ausschnitte 53 der Nabe 41 und dienen der drehfesten Kupplung zwischen dem Distanzstück 57 und dem Kupplungsstück 15. Außerdem ist das Distanzstück 57 drehfest mit der Welle 6 gekuppelt.As Figures 3 and 4 illustrate between the drive disks 11, 12 as the coupling piece 15 sleeve-shaped made of plastic Spacer 57 arranged. This points to his otherwise cylindrical outside 58 on which the coupling piece 15 can slide with little play, two against each other strip-like strips arranged diametrically opposite Projections 59 on. These reach into the cutouts 53 of the hub 41 and serve the rotationally fixed coupling between the spacer 57 and the coupling piece 15. In addition, the spacer 57 is rotatable with the Coupled shaft 6.

    Zusätzlich sind die rippenartigen Vorsprünge 59 an ihrer radial äußeren Seite mit einer Folge quer verlaufender verrundeter Ausnehmungen versehen. Diese bilden Rastvertiefungen 61 für das verrundete Ende der Zunge 51.In addition, the rib-like projections 59 are on their radially outer side with a sequence of transverse provide rounded recesses. Form this Locking recesses 61 for the rounded end of the tongue 51.

    Die Rillenkugellager 8, 9 sind im Gegensatz zu der zeichnerischen Darstellung in Fig. 3 von Haus aus abgedichtet. Zusätzlich sind zwischen dem Distanzstück 57 und den Antriebsscheiben 11, 12 gekröpfte Metallscheiben 64, 65 angeordnet, die zur Aufnahme, Zentrierung und Lagerung von Filzringen 66, 67 dienen. Diese nehmen evtl. aus den Rillenkugellagern 8, 9 zu der Kupplungseinrichtung 30 hin austretende Fettspuren auf, so dass möglichst wenig oder kein Fett in den Bereich der Finger 38 bzw. der Verzahnung 44 gelangt. Die Kupplungseinrichtung wird auf diese Weise trocken gehalten. Dies wirkt Flusablagerungen entgegen.The deep groove ball bearings 8, 9 are in contrast to that graphical representation in Fig. 3 sealed from the house. In addition, between the spacer 57 and the drive disks 11, 12 cranked metal disks 64, 65 arranged for receiving, centering and storage serve from felt rings 66, 67. These may take from the Deep groove ball bearings 8, 9 towards the coupling device 30 exiting traces of fat, so that as little or no grease in the area of the fingers 38 or the teeth 44 arrives. The coupling device is on this Way kept dry. This counteracts river deposits.

    Die insoweit beschriebene Kupplungseinrichtung 30 arbeitet wie folgt: The coupling device 30 described so far works as follows:

    Beide Antriebsscheiben 11, 12 der in Figur 4 veranschaulichten Kupplungseinrichtung werden von entsprechenden Riemen angetrieben. Das Kupplungsstück 15 ist bspw. mit der Antriebsscheibe 12 gekuppelt, indem es so weit an die Antriebsscheibe 12 herangeschoben ist, dass sein äußerer Abschnitt 46 an dem Rand 35 der Antriebsscheibe 12 anliegt. Dabei greifen die Finger 38 der Antriebsscheibe 12 zwischen die entsprechenden Zähne der Verzahnung 44, ohne jedoch mit ihren Stirnseiten an dem scheibenförmigen Abschnitt 45 anzuliegen. Zwischen den Stirnseiten der Finger 38 und dem Abschnitt 45 verbleibt ein Flusenraum 70, der nicht zu einem Spalt verengt wird. Damit wird das Festdrücken von Flusen zu einer kompakten Ablagerung vermieden.Both drive disks 11, 12 illustrated in Figure 4 Coupling device will be of appropriate Belt driven. The coupling piece 15 is, for example. coupled to the drive pulley 12 by moving it so far the drive pulley 12 is pushed up that its outer Section 46 on the edge 35 of the drive pulley 12 is present. The fingers 38 of the drive pulley grip 12 between the corresponding teeth of the toothing 44, but without with their end faces on the disc-shaped Section 45. Between the end faces of the Finger 38 and section 45 remain a lint space 70, which is not narrowed to a crack. So that will be Avoid fluff pressing into a compact deposit.

    Ebenso verbleibt ein Flusenraum 71 zwischen der Stirnseite 71 der Nabe 41 und dem Rillenkugellager 5 bzw. dessen Abdichtung. Durch die zwischen den Fingern 38 gelassenen Lücken hindurch ist der Flusenraum 71 radial nach außen in den Innenraum 37 geöffnet, der als Flusenaufnahmeraum dienen kann.A lint space 71 also remains between the End face 71 of the hub 41 and the deep groove ball bearing 5 or its sealing. By the left between the fingers 38 The fluff space 71 is radial through gaps open to the outside in the interior 37, which serves as a lint-receiving space can serve.

    Wegen der drehfesten Kupplung zwischen dem Kupplungsstück 15 und der Welle 6 sowie wegen der durch den Zahneingriff drehfesten Kupplung zwischen der Antriebsscheibe 12 und dem Kupplungsstück 15 wird das bspw. aus Figur 1 ersichtliche Fadenlieferrad nun von der Antriebsscheibe 12 her angetrieben.Because of the non-rotating coupling between the coupling piece 15 and the shaft 6 as well as because of the Tooth engagement non-rotating coupling between the drive pulley 12 and the coupling piece 15, for example Figure 1 visible yarn delivery wheel now from the drive pulley 12 ago driven.

    Der der Antriebsscheibe 11 zugehörige Teil der Kupplungseinrichtung 30 steht nun offen, so dass sich hier Ablagerungen bilden können. Insbesondere ist es möglich, dass sich Flusen auf der Verzahnung 44 ablagern. Wird nun die obere Antriebsscheibe 11 aktiviert, indem das Kupplungsstück 15 nach oben verschoben wird, schieben die insgesamt fünf Finger 38 die Flusen aus den entsprechenden Nuten der Verzahnung 44 vor sich her ohne diese zu verdichten. Dies liegt daran, dass selbst in vollständig eingekuppeltem Zustand ein Abstand zwischen den stirnseitigen Enden der Finger 38 und dem scheibenförmigen Abschnitt 45 verbleibt. Die weggeschobenen Flusen können infolge der Rundung der Finger 38 radial nach außen ausweichen. Dies wird auch durch die Fliehkraft unterstützt, wenn die Kupplungseinrichtung 30 dreht. Anstelle der Rundungen können die Finger 38 stirnseitig auch eine Schrägfläche aufweisen, so dass der Finger 38 eine in der Nut liegende Spitze aufweist.The part of the drive pulley 11 belonging to Coupling device 30 is now open, so that can form deposits here. In particular, it is possible that fluff is deposited on the toothing 44. If the upper drive pulley 11 is now activated by the coupling piece 15 is moved up, push the total of five fingers 38 the lint from the corresponding Grooves of the teeth 44 in front of them without them to condense. This is because even in full engaged state a distance between the front ends of the fingers 38 and the disc-shaped Section 45 remains. The fluff pushed away can radially outward due to the rounding of the fingers 38 dodge. This is also supported by the centrifugal force when the clutch device 30 rotates. Instead of of the curves, the fingers 38 can be on the face also have an inclined surface so that the finger 38 has a tip lying in the groove.

    Etwaige zusammengeschobene Flusenpakete können spätestens nach dem Umschalten der Kupplung wenn der Ringraum 37 nach außen wieder geöffnet ist durch die Fliehkraft nach außen geschleudert werden, so dass die Kupplungseinrichtung 30 Selbstreinigungseigenschaften aufweist. Die Flusenräume 70, 71 werden so saubergehalten. Die Kupplungseinrichtung 30 ist wegen ihrer offenen Bauweise außerdem einfach zu reinigen, indem sie bspw. mit Druckluft ausgeblasen wird.Any fluff packs pushed together can at the latest after switching the clutch if the annulus 37 is opened to the outside again by centrifugal force to be flung outwards so that the clutch device 30 has self-cleaning properties. The fluff spaces 70, 71 are kept clean in this way. The coupling device 30 is because of its open design also easy to clean, for example by using Compressed air is blown out.

    Sich ablagernde Flusen können auch nicht die Rastzunge 51 in ihrer Beweglichkeit hindern. Diese steht in dem nach außen offenen Ausschnitt 53 und ist in diesem frei beweglich. Es existiert keine nahe Wand, auf die sich die Rastzungen bewegen würden.Deposited fluff also cannot catch the latch 51 hinder their mobility. This is in the cutout 53 open to the outside and is in this versatile. There is no near wall on that the latches would move.

    Infolge der Kunststoffbauweise der Kupplungseinrichtung 30 ist außerdem jede Bildung von Passungsrost ausgeschlossen, der ansonsten die Schaltbarkeit der Kupplungseinrichtung 30 beeinträchtigen könnte.Due to the plastic construction of the coupling device 30 is also any formation of fretting corrosion excluded, otherwise the switchability of the Coupling device 30 could impair.

    Bei der in den Figuren 7 und 8 veranschaulichten Ausführungsform handelt es sich um eine einfache Kupplungseinrichtung 30' mit lediglich einer Antriebsscheibe 12'. Der Hauptunterschied zu der vorstehend beschriebenen Ausführungsform besteht in der Weglassung der Antriebsscheibe 11. Die Antriebsscheibe 12' ist mit der Antriebsscheibe 12 der vorstehend beschriebenen Ausführungsform übereinstimmend ausgebildet. Das Kupplungsstück 15' weist lediglich an einer Seite eine Nabe mit entsprechender Verzahnung auf, für die die Beschreibung des Kupplungsstücks 15 entsprechend gilt.In the illustrated in Figures 7 and 8 Embodiment is a simple coupling device 30 'with only one drive pulley 12 '. The main difference from that described above Embodiment consists in the omission of the drive pulley 11. The drive pulley 12 'is with the drive pulley 12 of the embodiment described above trained accordingly. The coupling piece 15 'has only on one side a hub with the corresponding For which the description of the Coupling piece 15 applies accordingly.

    Ein Fadenliefergerät ist mit einer Kupplungseinrichtung 30 versehen, um eine Antriebsscheibe 12 bedarfsweise mit einem Fadenlieferrad 7 drehfest zu kuppeln. Die Kupplungseinrichtung 30 ist in einer offenen Bauform ausgeführt, bei der jede Ausbildung von sich verdichtenden Räumen vermieden ist. Dazu weist eine Kupplungshälfte axiale Finger auf, die in radial offene Längsnuten der anderen Kupplungshälfte greifen, die von einer Verzahnung 44 gebildet sind. Die Nuten der Verzahnung 44 sind länger als die Eingriffslänge zwischen Finger 38 und Verzahnung 44. Der zwischen den Stirnseiten der Finger 38 und der in Axialrichtung nächsten Wand gebildete Zwischenraum ist in Radialrichtung offen oder steht mit einem größeren Innenraum 37 in Verbindung. Dadurch wird das Verdichten oder Festdrücken abgelagerter Flusen vermieden.A thread delivery device is with a coupling device 30 provided with a drive pulley 12 if necessary a thread delivery wheel 7 to rotate. The coupling device 30 is designed in an open design, in which every training of condensing Is avoided. A coupling half has this axial fingers in the radially open longitudinal grooves of the grasp other coupling half by a toothing 44 are formed. The grooves of the toothing 44 are longer than the length of engagement between finger 38 and toothing 44. The between the end faces of the fingers 38 and the in The next wall formed in the axial direction is in Radial direction open or stands with a larger interior 37 in connection. This will compress or Avoid pressing of deposited lint.

    Claims (25)

    1. A clutch means (30), in particular for yarn feed apparatus,
      having at least one first clutch half (12a), which is mounted rotatably and connected with a drive means (34) and which is provided with a first form-fitting clutch element (38),
      having a second clutch half (15a), which is connected with a driven means (6) and is mounted so as to rotate concentrically to the first clutch half and which is provided with a second form-fitting clutch element (44),
      at least one of the clutch halves (15a) being mounted so as to be axially movable, such that it may be displaced towards the respective other clutch half (12a) and away therefrom, in order to bring the clutch elements (38, 44) in and out of engagement,
         characterised in that
      the clutch halves (12a, 15a) are constructed in such a way that an open fluff space (70, 71) is left between surfaces of the clutch halves (12a, 15a) in the engaged state, which surfaces are provided on the clutch elements (38, 44) or adjoining them, are moved towards each other during engagement and are accessible for fluff deposition, said fluff space (70, 71) being connected to a larger receiving chamber (37) separate from the surrounding area or to the surrounding area in both the engaged and the disengaged state.
    2. A clutch means according to claim 1, characterised in that the open fluff space (70, 71) is defined in the axial direction by the surfaces of the clutch halves (12a, 15a) moved towards and away from one another and is open in the radial direction.
    3. A clutch means according to claim 1, characterised in that the axial movement of the axially movably mounted clutch half (15a) is defined by at least one stop means (46), which is connected with the clutch half (15a) and rests in the engaged state against a corresponding abutment (35), which is connected with the other clutch half (12a).
    4. A clutch means according to claim 3, characterised in that the stop means (46) is at least one radially outwardly arranged surface, which comes to rest against an associated surface forming the abutment and blocks further axial movement of the clutch halves (12a, 15a) after engagement of the clutch halves (12a, 15a).
    5. A clutch means according to claim 4, characterised in that the stop means (46) and the abutment (35) are annular surfaces.
    6. A clutch means according to claim 4, characterised in that, if need be, the stop means (46) and the abutment (35), when in the completely engaged state, seal the receiving chamber (37) off externally from the surrounding area.
    7. A clutch means according to claim 1, characterised in that the clutch elements (38) are free-standing, axially oriented fingers.
    8. A clutch means according to claim 7, characterised in that the second clutch element (44) takes the form of axially disposed grooves.
    9. A clutch means according to claim 7 and claim 8, characterised in that, in the engaged state, the fingers (38) are in engagement with the grooves (44) only in a radially inward or outward area.
    10. A clutch means according to claim 7 and claim 8, characterised in that the clutch means (30) is so constructed that, in the engaged state, the fingers (38) are in engagement with the grooves (44) over a length which is shorter than the length of the grooves (44).
    11. A clutch means according to claim 1, characterised in that the clutch elements (38) are arranged in a receiving chamber (37) closed radially on the outside, which is defined in the engaged state in the axial direction by the clutch halves (12a, 15a).
    12. A clutch means according to claim 1, characterised in that the free-standing clutch elements (38) are rounded at their end facing the other clutch half (15).
    13. A clutch means according to claim 12, characterised in that the free-standing clutch elements (38) are bevelled, rounded or pointed at their side remote from the associated clutch elements (44).
    14. A clutch means according to claim 6, characterised in that the free-standing clutch elements (38) exhibit a triangular cross-section.
    15. A clutch means according to claim 14, characterised in that the clutch elements (44) provided to accommodate the clutch elements (38) are triangular grooves.
    16. A clutch means according to claim 1, characterised in that the clutch elements provided to accommodate the clutch elements (38) are formed by teeth (44).
    17. A clutch means according to claim 1, characterised in that the clutch elements (38) are arranged at distances from one another which are larger than the width of each clutch element (38) measured in the circumferential direction.
    18. A clutch means according to claim 1, characterised in that the axially displaceably mounted clutch half (15) may be fixed axially in its axial position with a fixing means (51) at least in the coupled position and in the separated position.
    19. A clutch means according to claim 18, characterised in that the fixing means (51, 61) comprises at least one tongue constructed on a clutch half (15), which tongue extends in the axial direction and which is mounted so as to be resilient in the radial direction.
    20. A clutch means according to claim 19, characterised in that the tongue takes the form of an exposed portion of a hub (41).
    21. A clutch means according to claim 18, characterised in that the fixing means (51, 61) is a catch means.
    22. A clutch means according to claim 1, characterised in that the clutch halves (12, 15) are mounted rotatably on one another by means of at least one rolling bearing (9) and in that the rolling bearing (9) is sealed relative to the clutch elements (38, 44) and is provided with a receiving means (66, 67) for lubricant which nonetheless escapes.
    23. A clutch means according to claim 22, characterised in that the rolling bearing (9) is seated with its inner ring on a shaft (6) preferably serving as a driven means, which shaft (6) carries one of the clutch elements (15), and with its outer ring carries the other of the clutch halves (12) and in that the rolling bearing (12) is sealed by means of a felt disk (67), which is clamped between the inner ring of the rolling bearing (9) and at least one profile member (57) seated on the shaft (6), on which profile member (57) one of the clutch halves (15) is mounted displaceably.
    24. A clutch means according to claim 1, characterised in that the clutch means (30) consists of plastics parts.
    25. A yarn feed apparatus, characterised in that it comprises at least one clutch means (30) according to one of the preceding claims.
    EP98110120A 1997-06-19 1998-06-03 Yarn feeder and clutch apparatus Expired - Lifetime EP0885829B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19726027A DE19726027C2 (en) 1997-06-19 1997-06-19 Thread delivery device and coupling device
    DE19726027 1997-06-19

    Publications (2)

    Publication Number Publication Date
    EP0885829A1 EP0885829A1 (en) 1998-12-23
    EP0885829B1 true EP0885829B1 (en) 2001-11-21

    Family

    ID=7833019

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98110120A Expired - Lifetime EP0885829B1 (en) 1997-06-19 1998-06-03 Yarn feeder and clutch apparatus

    Country Status (24)

    Country Link
    US (1) US5996756A (en)
    EP (1) EP0885829B1 (en)
    JP (1) JP3015341B2 (en)
    KR (1) KR100324841B1 (en)
    CN (1) CN1064643C (en)
    BR (1) BR9802026A (en)
    CA (1) CA2239527C (en)
    CO (1) CO4750734A1 (en)
    CZ (1) CZ190298A3 (en)
    DE (2) DE19726027C2 (en)
    EA (1) EA000446B1 (en)
    EG (1) EG22032A (en)
    ES (1) ES2163829T3 (en)
    HK (1) HK1017029A1 (en)
    ID (1) ID20464A (en)
    MY (1) MY132990A (en)
    PE (1) PE93298A1 (en)
    PL (1) PL185966B1 (en)
    PT (1) PT885829E (en)
    SG (1) SG65069A1 (en)
    SK (1) SK284516B6 (en)
    TR (1) TR199801108A3 (en)
    TW (2) TW500130U (en)
    UA (1) UA45427C2 (en)

    Families Citing this family (7)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US6157721A (en) 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
    US7133846B1 (en) 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
    US5943422A (en) 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
    US5892900A (en) 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
    CN111295271B (en) * 2017-10-31 2022-04-05 工机控股株式会社 Power tool
    CN111874743B (en) * 2020-08-11 2022-05-17 岳西神农氏农业科技有限公司 Warp roller winding guide mechanism of textile machine
    CN113062036B (en) * 2021-03-17 2022-10-18 慈溪市赛美格自动化科技有限公司 Speed-adjustable anti-blocking yarn feeder

    Family Cites Families (7)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2992715A (en) * 1959-08-27 1961-07-18 Oster Mfg Co John Readily separable torque transmitting coupling
    DE1245654B (en) * 1965-02-17 1967-07-27 Maag Zahnraeder & Maschinen Ag Tooth coupling
    DE2312933A1 (en) * 1973-03-15 1974-09-19 Iro Ab THREAD DELIVERY DEVICE FOR TEXTILE MACHINERY
    DE3042989A1 (en) * 1980-11-14 1982-07-01 Memminger Gmbh, 7290 Freudenstadt THREAD DELIVERY DEVICE FOR TEXTILE MACHINES
    US4667867A (en) * 1986-07-01 1987-05-26 Gte Products Corporation Wire bonding tool
    DE4141712A1 (en) * 1991-12-18 1993-06-24 Heinz Fabschitz Yarn delivery unit for textile machines - has arrangement of yarn delivery devices, each with at least one deliver device
    US5497867A (en) * 1993-12-27 1996-03-12 Eaton Corporation Synchronizer with cone cup locater pins

    Also Published As

    Publication number Publication date
    HK1017029A1 (en) 1999-11-12
    JP3015341B2 (en) 2000-03-06
    TR199801108A2 (en) 1999-10-21
    TW500130U (en) 2002-08-21
    PL326692A1 (en) 1998-12-21
    JPH11140750A (en) 1999-05-25
    EG22032A (en) 2002-06-30
    UA45427C2 (en) 2002-04-15
    CZ190298A3 (en) 1999-01-13
    PE93298A1 (en) 1999-01-14
    MY132990A (en) 2007-10-31
    CN1064643C (en) 2001-04-18
    EA199800456A1 (en) 1998-12-24
    CA2239527C (en) 2004-03-16
    SK284516B6 (en) 2005-05-05
    PT885829E (en) 2002-05-31
    EA000446B1 (en) 1999-08-26
    DE59802687D1 (en) 2002-02-21
    US5996756A (en) 1999-12-07
    CN1204706A (en) 1999-01-13
    TW503276B (en) 2002-09-21
    DE19726027A1 (en) 1999-01-28
    BR9802026A (en) 1999-07-13
    KR19990007075A (en) 1999-01-25
    ES2163829T3 (en) 2002-02-01
    TR199801108A3 (en) 1999-10-21
    DE19726027C2 (en) 1999-05-06
    PL185966B1 (en) 2003-09-30
    SG65069A1 (en) 1999-05-25
    CA2239527A1 (en) 1998-12-19
    SK86998A3 (en) 1999-03-12
    ID20464A (en) 1998-12-24
    KR100324841B1 (en) 2002-08-14
    CO4750734A1 (en) 1999-03-31
    EP0885829A1 (en) 1998-12-23

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