EP1713096B1 - Flat conductor ribbon cable - Google Patents
Flat conductor ribbon cable Download PDFInfo
- Publication number
- EP1713096B1 EP1713096B1 EP05290830A EP05290830A EP1713096B1 EP 1713096 B1 EP1713096 B1 EP 1713096B1 EP 05290830 A EP05290830 A EP 05290830A EP 05290830 A EP05290830 A EP 05290830A EP 1713096 B1 EP1713096 B1 EP 1713096B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- flat conductor
- flat
- conductors
- stator
- 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.)
- Not-in-force
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0823—Parallel wires, incorporated in a flat insulating profile
Definitions
- the invention relates to a winding tape cassette according to the preamble of the claim ( EP 0 735 632 B1 ).
- Such a device is needed, for example, to supply power to moving parts of a motor vehicle. It is housed in the steering wheel of a motor vehicle. A major problem for this device is the power transmission between fixed and moving parts of the motor vehicle.
- the wound flat conductor strip line - hereinafter referred to as "FL-BL" - divided into an inner and an outer winding region in which the turns have different winding direction.
- the two winding areas are connected by an approximately U-shaped reversal point. Between the two winding areas is a reversal point soudusder, annular guide body which is movable in the circumferential direction of the cassette. It is moved by the wound FL-BL or by its reversal point when the rotor of the cassette is rotated.
- the FL-BL is not only continuously wound up and unwound in the two winding areas, but in particular in the reversal "moving" moves. This requires a high flexibility of the FL-BL and the lowest possible resistance during bending.
- the advantage of the FL-BL lies in the firm embedding of their conductors in insulating material, so that they are largely protected in the same against mechanical damage.
- the FL-BL is constantly dynamically bent over small radii over the long term, it is desirable to thin the insulation of the FL-BL beyond that needed for dynamic bends around larger radii.
- the reduced thickness of the insulating material of the FL-BL also means a lower mechanical stability of the FL-BL total, which can be in the device according to the EP 0 735 632 B1 lead to problems when the windings of the FL-BL push the guide body in one winding direction.
- the invention has for its object to make the initially described winding tape cassette so that the movement of the guide body is not hindered by the FL-BL.
- the FL-BL on the one hand Due to the smaller insulation wall thickness on one flat side of the FL-BL and the larger insulation wall thickness on the other flat side, the FL-BL on the one hand has a high dynamic bending strength even for small radii and on the other hand a sufficient mechanical stability.
- the FL-BL In the case of dynamic bending around the flat side with thinner insulation wall thickness, the FL-BL is permanently more resistant to bending over lines with thick insulation on both sides.
- the mechanical strength of the FL-BL, on the other hand is significantly higher than that of a line with thin insulation on both sides. Because of the thinner insulation wall thickness also results in a reduced use of insulating material.
- the FL-BL can join the constantly reversing with the reversal bending stress permanently unscathed so that it does not hinder the movement of the guide body. Because of its good stability, the FL-BL can even support the movement of the guide body when the turns of the respective winding area push it in one of the directions of movement.
- the FL-BL 1 shown in a plan view in FIG. 1 has four flat electrical conductors 2 with a rectangular cross-section.
- the FL-BL 1 should have at least two conductors. But it can also be three or more than four conductors.
- the conductors 2 are shown in FIGS. 2 and 3 in a plane next to each other. They are separated by spaces and completely embedded in insulating material, which will be referred to as "insulation 3" hereinafter.
- the conductors 2 can be introduced in so-called laminating between two sheets of insulating material, which are firmly connected to the insulation 3 with inclusion of the conductors 2, for example by supplying heat and applying pressure.
- the insulation 3 can also be splashed around the conductor 2 by means of an extruder.
- the conductors 2 are arranged off-center in the insulation 3 as shown in FIG. 2, so that different wall thicknesses for the insulation 3 result at their flat sides.
- the wall thickness W1 of the insulation 3 over the conductors 2 is greater than the wall thickness W2 below the same.
- the dimensions of the wall thickness W 1 and W 2 can behave advantageously as 2: 1.
- the FL-BL 1 is used in the winding tape cassette according to the invention so that it is bent around the flat side with the smaller wall thickness W2.
- the FL-BL 1 is used in a winding tape cassette of a motor vehicle for supplying power to moving parts thereof.
- the winding tape cassette - hereinafter referred to as "cassette K" - is constructed in a so-called reverse technique, in which the FL-BL 1 is divided into an outer and an inner winding area and with each rotation of the steering wheel with progressing or decreasing in the circumferential direction is claimed on bending.
- FIG. 4 A section through such a cassette K is shown in FIG. 4:
- Fig. 4 shows schematically two, for example, circular walls 4 and 5 of a substantially annular cassette K.
- the wall 4 should in the illustrated embodiment belong to a rotatable in the cassette K rotor, while the wall 5 is part of a fixed stator thereof.
- the FL-BL 1 is arranged in the cassette K 1 in turns.
- the cassette K has a terminal 8 belonging to the rotor and a terminal 9 formed as a fixed point belonging to the stator.
- the terminal 8 is movable with the rotor of the cassette K in the direction of the double arrow 10.
- the FL-BL 1 - as already mentioned - arranged in turns, which are divided into an outer winding portion 11 and an inner winding portion 12.
- the two winding areas 11 and 12 are marked by brackets. In the middle position shown in FIG. 4 or in the mounting position of the cassette K, they each comprise two to three turns. In the two winding regions 11 and 12, the turns of the FL-BL 1 have opposite winding directions.
- the winding areas 11 and 12 are interconnected by an approximately U-shaped reversing point 13 of the FL-BL 1. Between the two winding areas 11 and 12, a ring-shaped guide body 14 is attached to this cassette K, which passes the FL-BL 1 at the reversal point 13.
- the guide body 14 is in the circumferential direction of the cassette K, ie in the direction of the double arrow 10, easily movable. During its movement, it takes with it the FL-BL 1 or its windings, via its reversal point 13, in which the FL-BL 1 is bent by a relatively small radius. The FL-BL 1 is thus taken on a movement of the rotor of the cassette K and the associated movement of the guide body 14 at its bent reversal point 13, whereby the Reversing point 13 in the course of the FL-BL 1 and the turns thereof constantly back and forth wanders.
- the FL-BL 1 is mounted in the cassette K so that the thinner flat side of its insulation 3 faces the guide body 14. So it is also at the reversal point 13 "inside" and so can join the constantly migrating bending stress permanently unscathed.
Landscapes
- Insulated Conductors (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Wickelbandkassette gemäß dem Oberbegriff des Patentanspruchs (
Eine derartige Vorrichtung wird beispielsweise zur Stromzuführung an bewegliche Teile eines Kraftfahrzeugs benötigt. Sie ist im Lenkrad eines Kraftfahrzeugs untergebracht. Ein wesentliches Problem für diese Vorrichtung ist die Stromübertragung zwischen feststehenden und beweglichen Teilen des Kraftfahrzeugs.Such a device is needed, for example, to supply power to moving parts of a motor vehicle. It is housed in the steering wheel of a motor vehicle. A major problem for this device is the power transmission between fixed and moving parts of the motor vehicle.
Bei der Vorrichtung nach der eingangs erwähnten
Der Vorteil der FL-BL liegt in der festen Einbettung ihrer Leiter in Isoliermaterial, so daß sie in derselben weitestgehend gegen mechanische Beschädigungen geschützt sind. Bei Anwendungen, in denen die FL-BL langfristig immer wieder - dynamisch - um kleine Radien gebogen wird, ist es zweckmäßig, die Isolierung derselben dünner auszuführen, als dies bei dynamischen Biegungen um größere Radien erforderlich ist. Die verminderte Dicke des Isoliermaterials der FL-BL bedeutet allerdings auch eine geringere mechanische Stabilität der FL-BL insgesamt, Das kann bei der Vorrichtung nach der
Der Erfindung liegt die Aufgabe zugrunde, die eingangs geschilderte Wickelbondkassette so zu gestalten, daß die Bewegung des Führungskörpers durch die FL-BL nicht behindert wird.The invention has for its object to make the initially described winding tape cassette so that the movement of the guide body is not hindered by the FL-BL.
Diese Aufgabe wird gemäß den kennzeichnenden Merkmalen des Patentanspruchs 1 gelöst.This object is achieved according to the characterizing features of
Durch die kleinere Isolationswandstärke auf der einen Flachseite der FL-BL und die größere Isolationswandstärke auf deren anderer Flachseite hat die FL-BL einerseits eine hohe dynamische Biegefestigkeit auch um kleine Radien und andererseits eine ausreichende mechanische Stabilität. Die FL-BL ist bei dynamischer Biegung um die Flachseite mit dünnerer Isolationswandstärke auf Dauer deutlich biegefester als Leitungen mit beidseitig dicker Isolierung. Die mechanische Festigkeit der FL-BL ist andererseits deutlich höher als die einer Leitung mit beidseitig dünner Isolierung. Wegen der dünneren Isolationswandstärke ergibt sich außerdem ein verminderter Einsatz an Isoliermaterial. Diese Eigenschaften der FL-BLwirken sich bei der Wickelbandkassette noch der Erfindung mit besonderem Vorteil aus, da die FL-BL die mit der Umkehrstelle ständig wandernde Biegebeanspruchung auf Dauer unbeschadet mitmachen kann, so daß sie die Bewegung des Führungskörpers nicht behindert. Die FL-BL kann wegen ihrer guten Stabilität sogar die Bewegung des Führungskörpers unterstützen, wenn die Windungen des jeweiligen Wickelbereichs denselben in einer der Bewegungsrichtungen schieben.Due to the smaller insulation wall thickness on one flat side of the FL-BL and the larger insulation wall thickness on the other flat side, the FL-BL on the one hand has a high dynamic bending strength even for small radii and on the other hand a sufficient mechanical stability. In the case of dynamic bending around the flat side with thinner insulation wall thickness, the FL-BL is permanently more resistant to bending over lines with thick insulation on both sides. The mechanical strength of the FL-BL, on the other hand, is significantly higher than that of a line with thin insulation on both sides. Because of the thinner insulation wall thickness also results in a reduced use of insulating material. These properties of the FL-BL effect in the winding tape cassette nor the invention with particular advantage, since the FL-BL can join the constantly reversing with the reversal bending stress permanently unscathed so that it does not hinder the movement of the guide body. Because of its good stability, the FL-BL can even support the movement of the guide body when the turns of the respective winding area push it in one of the directions of movement.
Ein Ausführungsbeispiel des Erfindungsgegenstandes ist in den Zeichnungen dargestellt.An embodiment of the subject invention is shown in the drawings.
Es zeigen:
- Fig. 1 eine Draufsicht auf eine in der Wickelbandkassette nach der Erfindung verwendbare FL-BL.
- Fig. 2 einen Schnitt durch Fig. 1 längs der Linie II - II in vergrößerter Darstellung.
- Fig. 3 einen Schnitt durch eine gegenüber Fig. 2 andere Ausführungsform einer FL-BL.
- Fig. 4 einen Schnitt durch eine Wickelbandkassette nach der Erfindung.
- Fig. 1 is a plan view of a usable in the winding tape cassette according to the invention FL-BL.
- Fig. 2 shows a section through Fig. 1 along the line II - II in an enlarged view.
- Fig. 3 is a section through a comparison with FIG. 2 other embodiment of a FL-BL.
- Fig. 4 is a section through a winding tape cassette according to the invention.
Die in Fig. 1 in einer Draufsicht dargestellte FL-BL 1 hat vier flache elektrische Leiter 2 mit rechteckigem Querschnitt. Die FL-BL 1 soll mindestens zwei Leiter haben. Es können aber auch drei oder mehr als vier Leiter sein. Die Leiter 2 liegen gemäß den Fig. 2 und 3 in einer Ebene nebeneinander. Sie sind durch Zwischenräume voneinander getrennt und vollständig in Isoliermaterial eingebettet, das im folgenden als "Isolierung 3" bezeichnet wird.The FL-BL 1 shown in a plan view in FIG. 1 has four flat
Zur Herstellung einer FL-BL 1 können die Leiter 2 in sogenannter Kaschiertechnik zwischen zwei Folien aus Isoliermaterial eingebracht werden, die unter Einschluß der Leiter 2 beispielsweise durch Wärmezufuhr und unter Anwendung von Druck fest zur Isolierung 3 miteinander verbunden werden. Die Isolierung 3 kann aber auch mittels eines Extruders um die Leiter 2 herumgespritzt werden.To produce a FL-
Die Leiter 2 sind gemäß Fig. 2 außermittig in der Isolierung 3 angeordnet, so daß sich an deren Flachseiten unterschiedliche Wandstärken für die Isolierung 3 ergeben. Im dargestellten Ausführungsbeispiel ist die Wandstärke W1 der Isolierung 3 über den Leitern 2 größer als die Wandstärke W2 unter denselben. Die Maße der Wandstärken W 1 und W2 können sich mit Vorteil wie 2 : 1 verhalten. Die FL-BL 1 wird in der Wickelbandkassette nach der Erfindung so eingesetzt, daß sie um die Flachseite mit der kleineren Wandstärke W2 gebogen wird.The
Der gleiche Sachverhalt gilt für die FL-BL 1 gemäß Fig. 3, bei welcher die Isolierung 3 zwischen den Leitern 2 an ihrer äußeren Oberfläche eingedellt ist.The same situation applies to the FL-BL 1 according to FIG. 3, in which the
Die FL-BL 1 wird in einer Wickelbandkassette eines Kraftfahrzeugs zur Stromzuführung an bewegliche Teile desselben eingesetzt. Die Wickelbandkassette - im folgenden kurz "Kassette K" genannt - ist in sogenannter Reverse-Technik aufgebaut, bei welcher die FL-BL 1 in einen äußeren und in einen inneren Wickelbereich unterteilt ist und bei jeder Drehung des Lenkrades mit in Umfangsrichtung fortschreitender oder zurückgehender Bewegung auf Biegung beansprucht wird. Ein Schnitt durch eine solche Kassette K ist in Fig. 4 dargestellt:The FL-BL 1 is used in a winding tape cassette of a motor vehicle for supplying power to moving parts thereof. The winding tape cassette - hereinafter referred to as "cassette K" - is constructed in a so-called reverse technique, in which the FL-
Fig. 4 zeigt schematisch zwei beispielsweise kreisförmig ausgebildete Wände 4 und 5 einer im wesentlichen kreisringförmigen Kassette K. Die Wand 4 soll im dargestellten Ausführungsbeispiel zu einem in der Kassette K drehbaren Rotor gehören, während die Wand 5 Teil eines feststehenden Stators derselben ist. Zur Stromversorgung einer Elektronik 6 aus einer Batterie 7 eines Kraftfahrzeugs ist die FL-BL 1 in der Kassette K 1 in Windungen angeordnet. Die Kassette K hat eine zum Rotor gehörende Endstelle 8 und eine als Festpunkt ausgebildete, zum Stator gehörende Endstelle 9. Die Endstelle 8 ist mit dem Rotor der Kassette K in Richtung des Doppelpfeiles 10 bewegbar.Fig. 4 shows schematically two, for example,
Zwischen den beiden Endstellen 8 und 9 ist die FL-BL 1 - wie schon erwähnt - in Windungen angeordnet, die in einen äußeren Wickelbereich 11 und einen inneren Wickelbereich 12 unterteilt sind. Die beiden Wickelbereiche 11 und 12 sind durch Klammern gekennzeichnet. Sie umfassen in der aus Fig. 4 ersichtlichen Mittelstellung bzw. in der Montageposition der Kassette K jeweils zwei bis drei Windungen. In den beiden Wickelbereichen 11 und 12 haben die Windungen der FL-BL 1 entgegengesetzte Wickelrichtungen. Die Wickelbereiche 11 und 12 sind durch eine etwa U-förmig ausgeführte Umkehrstelle 13 der FL-BL 1 miteinander verbunden. Zwischen den beiden Wickelbereichen 11 und 12 ist bei dieser Kassette K ein ringförmig ausgeführter Führungkörper 14 angebracht, der die FL-BL 1 an der Umkehrstelle 13 durchläßt.Between the two
Der Führungskörper 14 ist in Umfangsrichtung der Kassette K, also in Richtung des Doppelpfeils 10, leicht beweglich. Er nimmt bei seiner Bewegung die FL-BL 1 bzw. deren Windungen mit, und zwar über ihre Umkehrstelle 13, in welcher die FL-BL 1 um einen relativ kleinen Radius gebogen verläuft. Die FL-BL 1 wird also bei einer Bewegung des Rotors der Kassette K und der damit verbundenen Bewegung des Führungskörpers 14 an ihrer gebogenen Umkehrstelle 13 mitgenommen, wodurch die Umkehrstelle 13 im Verlauf der FL-BL 1 bzw. der Windungen derselben ständig vor und zurück wandert. Die FL-BL 1 ist in der Kassette K so angebracht, daß die dünnere Flachseite ihrer Isolierung 3 dem Führungskörper 14 zugewandt ist. Sie liegt also auch an der Umkehrstelle 13 "innen" und kann so die ständig wandernde Biegebeanspruchung auf Dauer unbeschadet mitmachen.The
Claims (1)
- A cable winding cassette for supplying electrical current to moving parts of a motor car, which comprises a stator and a rotor which is rotatable around a common axis with the stator, between which stator and rotor an electrical line running in turns and formed as a flat conductor-ribbon line (1) is arranged which has at least two flat electrical conductors (2) embedded into insulating material and lying parallel to one another and spaced apart, wherein both the stator and the rotor carry an end point (8,9), which is connected to the flat conductor-ribbon line (1), for connecting extending lines, wherein the flat conductor-ribbon line (1) running in turns is subdivided into an outer winding area (11) and an inner winding area (12) which have opposite winding directions and are connected to one another at a reversing point (13), and wherein between the two winding areas (11, 12) an annular guide body (14) is arranged which allows the flat conductor-ribbon line (1) to pass through at the reversing point (13), characterized in- that the wall thickness of the insulating material (3) in which the conductors (2) of the flat conductor-ribbon line (1) are embedded is less on one flat side of the conductors than on the opposite flat side and- that the flat conductor-ribbon line (1) is arranged in the cable winding cassette (K) in such a manner that its flat side having the lesser wall thickness of the insulating material faces the guide body (14) in both winding areas (11,12).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT05290830T ATE366988T1 (en) | 2005-04-14 | 2005-04-14 | FLAT CONDUCTOR STRIP LEAD |
EP05290830A EP1713096B1 (en) | 2005-04-14 | 2005-04-14 | Flat conductor ribbon cable |
DE502005001018T DE502005001018D1 (en) | 2005-04-14 | 2005-04-14 | Flat conductor-ribbon line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05290830A EP1713096B1 (en) | 2005-04-14 | 2005-04-14 | Flat conductor ribbon cable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1713096A1 EP1713096A1 (en) | 2006-10-18 |
EP1713096B1 true EP1713096B1 (en) | 2007-07-11 |
Family
ID=34942133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05290830A Not-in-force EP1713096B1 (en) | 2005-04-14 | 2005-04-14 | Flat conductor ribbon cable |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1713096B1 (en) |
AT (1) | ATE366988T1 (en) |
DE (1) | DE502005001018D1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009023527A1 (en) | 2009-05-30 | 2010-12-02 | Bayerische Motoren Werke Aktiengesellschaft | Steering device for motor vehicle, has steering wheel, which is pivotably connected with continuous hollow steering shaft, where electric conductor is guided through steering shaft for electric connection of steering wheel-sided gear |
DE102010043120A1 (en) | 2010-10-29 | 2012-05-03 | Bayerische Motoren Werke Aktiengesellschaft | Steering device for motor vehicles |
DE102010062885A1 (en) | 2010-12-13 | 2012-06-14 | Bayerische Motoren Werke Aktiengesellschaft | Electrically conductive connecting unit for flat cable conductor for motor car to electrically connect steering wheel-side control equipments, has cable connector connecting conductor to electric lines, where conductor is folded at ends |
DE102011006943A1 (en) | 2011-04-07 | 2012-10-11 | Bayerische Motoren Werke Aktiengesellschaft | Steering device for motor vehicle, has flat band cable with electric conductors which are provided against effect of surrounding magnetic field, electric field and/or electromagnetic field |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0735632B1 (en) * | 1995-03-30 | 2002-07-24 | Alcatel Kabel AG & Co. | Device for signal transmission between two terminals |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH541216A (en) * | 1972-06-16 | 1973-08-31 | Alusuisse | Process for the production of insulated electrical conductors, in particular strip-shaped multiple conductors |
DE2643838B1 (en) * | 1976-09-29 | 1977-12-08 | Kabel Metallwerke Ghh | Flat conductor ribbon cable |
DE10057479A1 (en) * | 2000-11-20 | 2002-05-23 | Alcatel Sa | Manufacturing electrical flat strip cable involves arranging bare conductors in parallel at distance apart between two foils of insulating material, welding foils together using ultrasound |
DE10103761A1 (en) * | 2001-01-27 | 2002-09-05 | Kostal Leopold Gmbh & Co Kg | Flexible ribbon cable |
-
2005
- 2005-04-14 AT AT05290830T patent/ATE366988T1/en not_active IP Right Cessation
- 2005-04-14 DE DE502005001018T patent/DE502005001018D1/en active Active
- 2005-04-14 EP EP05290830A patent/EP1713096B1/en not_active Not-in-force
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0735632B1 (en) * | 1995-03-30 | 2002-07-24 | Alcatel Kabel AG & Co. | Device for signal transmission between two terminals |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009023527A1 (en) | 2009-05-30 | 2010-12-02 | Bayerische Motoren Werke Aktiengesellschaft | Steering device for motor vehicle, has steering wheel, which is pivotably connected with continuous hollow steering shaft, where electric conductor is guided through steering shaft for electric connection of steering wheel-sided gear |
DE102010043120A1 (en) | 2010-10-29 | 2012-05-03 | Bayerische Motoren Werke Aktiengesellschaft | Steering device for motor vehicles |
US8777265B2 (en) | 2010-10-29 | 2014-07-15 | Bayerische Motoren Werke Aktiengesellschaft | Steering device for motor vehicles |
DE102010062885A1 (en) | 2010-12-13 | 2012-06-14 | Bayerische Motoren Werke Aktiengesellschaft | Electrically conductive connecting unit for flat cable conductor for motor car to electrically connect steering wheel-side control equipments, has cable connector connecting conductor to electric lines, where conductor is folded at ends |
DE102011006943A1 (en) | 2011-04-07 | 2012-10-11 | Bayerische Motoren Werke Aktiengesellschaft | Steering device for motor vehicle, has flat band cable with electric conductors which are provided against effect of surrounding magnetic field, electric field and/or electromagnetic field |
Also Published As
Publication number | Publication date |
---|---|
DE502005001018D1 (en) | 2007-08-23 |
EP1713096A1 (en) | 2006-10-18 |
ATE366988T1 (en) | 2007-08-15 |
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