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WO1998019873A2 - Stabilizer - Google Patents

Stabilizer Download PDF

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Publication number
WO1998019873A2
WO1998019873A2 PCT/EP1997/005949 EP9705949W WO9819873A2 WO 1998019873 A2 WO1998019873 A2 WO 1998019873A2 EP 9705949 W EP9705949 W EP 9705949W WO 9819873 A2 WO9819873 A2 WO 9819873A2
Authority
WO
WIPO (PCT)
Prior art keywords
stabilizer
connection
heads
connection heads
stabilizer bar
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.)
Ceased
Application number
PCT/EP1997/005949
Other languages
German (de)
French (fr)
Inventor
Und Bender Muhr
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.)
Muhr und Bender KG
Original Assignee
Muhr und Bender KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Muhr und Bender KG filed Critical Muhr und Bender KG
Priority to AU60899/98A priority Critical patent/AU6089998A/en
Publication of WO1998019873A2 publication Critical patent/WO1998019873A2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055Stabiliser bars
    • B60G21/0551Mounting means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/06Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0604Construction of the male part
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/06Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0695Mounting of ball-joints, e.g. fixing them to a connecting rod
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/12Mounting of springs or dampers
    • B60G2204/122Mounting of torsion springs
    • B60G2204/1224End mounts of stabiliser on wheel suspension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41Elastic mounts, e.g. bushings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/416Ball or spherical joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/42Joints with cam surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/422Links for mounting suspension elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/44Centering or positioning means
    • B60G2204/4404Retainers for holding a fixing element, e.g. bushing, nut, bolt etc., until it is tightly fixed in position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/012Hollow or tubular elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40Constructional features of dampers and/or springs
    • B60G2206/42Springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/06Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623Construction or details of the socket member
    • F16C11/0628Construction or details of the socket member with linings
    • F16C11/0633Construction or details of the socket member with linings the linings being made of plastics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/30Material joints
    • F16C2226/36Material joints by welding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00Articles relating to transporting
    • F16C2326/01Parts of vehicles in general
    • F16C2326/05Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

Definitions

  • the invention relates to a stabilizer for the front axle or the rear axle of a motor vehicle, with a - straight or curved - stabilizer bar and with partially spherical connecting heads provided on both ends of the stabilizer bar.
  • the stabilizer bar generally has a circular cross section or an annular cross section. So it is a full stabilizer or a tube stabilizer (with a tubular stabilizer bar).
  • the ends of the stabilizer bar are provided with an internal thread and the connection heads are provided with a screw-in bolt, the screw-in bolt of the connection heads having an external thread corresponding to the internal thread of the ends of the stabilizer bar; the connection heads are screwed into the ends of the stabilizer bar. Because of the need to cut threads several times, this is relatively complex.
  • the stabilizer bar on the one hand and the connection heads on the other hand are regularly separate components, which are often also manufactured by different companies.
  • the invention is therefore based on the object of specifying a stabilizer of the type in question which is less complex, in particular less complex to manufacture.
  • connection heads are integrally connected to the ends of the stabilizer rod.
  • This integral connection of the connection heads with the ends of the stabilizer bar can be realized in different ways.
  • connection heads are screwed onto the ends of the stabilizer bar. It may be advisable to hammer the ends of the stabilizer rod before turning on the connection heads.
  • connection heads are upset at the ends of the stabilizer bar.
  • connection heads In the two possibilities of realizing the cohesive connection of the connection heads with the ends of the stabilizer rod, a stabilizer rod is assumed which, with the same effective length, is longer by the length of the two connection heads than the stabilizer rod of the stabilizer from which the invention is based.
  • the connection heads are made from the additional material at both ends of the stabilizer bar.
  • connection heads are welded to the ends of the stabilizer bar.
  • the connection heads are preferably connected to the ends of the stabilizer bar by friction welding or by magnetic arc welding.
  • the stabilizer rod is tubular and which is initially and essentially characterized in that the connection heads are provided with insertion ends and are inserted with their insertion ends into the ends of the stabilizer bar.
  • the insertion ends of the connection heads are preferably cylindrical, in particular circular cylindrical.
  • the insertion ends of the attachments end heads with the ends of the stabilizer bar pressed. But there is also the possibility of connecting the insertion ends of the connection heads to the ends of the stabilizer rod by means of rollers.
  • the diameter of the stabilizer bar is larger than the diameter of the part-spherical connection heads at their connection surfaces facing the ends of the stabilizer bar. It is therefore advisable to implement a conical transition between the connection heads and the ends of the stabilizer bar.
  • FIG. 1 shows an end region of a first exemplary embodiment of a stabilizer according to the invention
  • FIG. 2 shows an end region of a second exemplary embodiment of a stabilizer according to the invention
  • Fig. 3 shows an end region of a third embodiment of a stabilizer according to the invention.
  • Fig. 4 shows an end region of a fourth embodiment of a stabilizer according to the invention.
  • the figures show - only partially - a stabilizer as used for the front axle or the rear axle of motor vehicles.
  • To the stabilizer include a, in all figures only partially, namely only with one end region, shown, straight or curved stabilizer bar 1 and at the two ends of the stabilizer bar 1 provided, partially spherical connection heads 2.
  • the stabilizer bar 1 has in the training example according to FIGS. 1, 2 and 4 is a circular cross section; these stabilizers are so-called full stabilizers.
  • the stabilizer bar 1 has an annular cross section; there is therefore a tubular stabilizer bar 1 and consequently a so-called tube stabilizer.
  • the stabilizers in question are used for the front axle and / or the rear axle of a motor vehicle.
  • the stabilizers are connected to the front axle and / or the rear axle of a motor vehicle via so-called connection elements.
  • connection elements include, which is only shown in FIG. 1, respectively. H. on both sides of the stabilizer, a stabilizer end connection element 3, an axle connection element 4 and a coupling rod 5 connecting the stabilizer end connection element 3 and the axle connection element 4 and made of steel or plastic.
  • the stabilizer end connection element 3 includes an inner plastic bearing 3a, a bellows 3b serving to seal between the stabilizer end and the plastic bearing 3a, and an outer bearing bush 3c made of steel and made of steel and connected to the coupling rod 5.
  • the bellows 3b is fastened on both sides, specifically in the exemplary embodiment shown in FIG. 1 at the stabilizer end by a spring band clamp 3d and on the inner plastic bearing 3a by a spring ring 3e.
  • the axle connection element 4 includes an outer bearing bush 4a made of steel and connected to the coupling rod 5, an inner rubber or plastic bearing 4b arranged in the outer bearing bush 4a and an inner bearing with the inner rubber or plastic bearing 4b connected axle connection element 4c.
  • the connection head 2 serves to connect the stabilizer to the stabilizer end connection element 3, namely the connection head 2 is mounted in the inner plastic bearing 3a of the stabilizer end connection element 3 — rotatable on all sides.
  • connection heads 2 are integrally connected to the ends of the stabilizer bar 1.
  • connection heads 2 are screwed to the ends of the stabilizer bar 1. 1 and 4 that the ends of the stabilizer bar 1 can be hammered before the connection heads 2 are turned on. It is also not shown that the connection heads 2 can be upset at the ends of the stabilizer bar 1.
  • connection heads 2 are welded to the ends of the stabilizer rod 1.
  • the connection heads 2 can be connected to the ends of the stabilizer bar 1 by friction welding or by magnetic arc welding.
  • connection heads 2 are provided with insertion ends 6 and their insertion ends 6 are inserted into the ends of the - tubular - stabilizer rod 1. As shown in FIG. 3, the insertion ends 6 of the connection heads 2 are circular cylindrical in the exemplary embodiment shown.
  • the insertion ends of the connection heads can be pressed with the ends of the stabilizer rod, which is not shown. Rather, an embodiment is shown in Fig. 3, in which the insertion ends 6 of the connection heads 2 are connected by rollers to the ends of the stabilizer rod 1. 3 it can be seen that the end of the stabilizer bar 1 is a material displacement 7 by rolling has experienced and that thereby a positive connection has been achieved between the end of the stabilizer rod 1 and the insertion end 6 of the connection head 2.
  • the diameter of the stabilizer rod 1 is larger than the diameter of the part-spherical connecting heads 2 at their connecting surfaces facing the ends of the stabilizer rod 1. Therefore, a conical transition 9 is realized in each of the exemplary embodiments between the connection heads 2 and the ends of the stabilizer bar 1.
  • FIG. 4 shows a preferred embodiment of a stabilizer according to the invention, as a circumferential groove 10 is realized between the connection heads 2 and the ends of the stabilizer bar 1.
  • connection heads 2 have to be surface-treated in such a way that perfect cooperation of each connection head 2 of the stabilizer with the inner plastic bearing 3a of the associated stabilizer end connection element 3 is ensured for many years.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

La présente invention porte sur un stabilisateur destiné à l'axe avant ou arrière d'un véhicule, comprenant une barre antidévers (1) droite ou courbe et, aux deux extrémités de celle-ci, une tête de connexion (2) en forme de bille partielle. Le stabilisateur selon l'invention est moins cher, notamment en termes de coût de fabrication, que les stabilisateurs connus dont est dérivée la présente invention. Cela tient au fait que les têtes de connexion (2) sont associées par liaison de matière avec les extrémités de labarre antidévers (1).The present invention relates to a stabilizer for the front or rear axle of a vehicle, comprising a straight or curved anti-roll bar (1) and, at both ends thereof, a connection head (2) in the form of partial ball. The stabilizer according to the invention is less expensive, in particular in terms of manufacturing cost, than the known stabilizers from which the present invention is derived. This is due to the fact that the connection heads (2) are associated by material bonding with the ends of the anti-roll bar (1).

Description

"Stabilisator" "Stabilizer"

Die Erfindung betrifft einen Stabilisator für die Vorderachse oder die Hinterachse eines Kraftfahrzeugs, mit einem - geraden oder gebogenen - Stabilisatorstab und mit an den beiden Enden des Stabilisatorstabes vorgesehenen, teilkugelförmigen Anschlußköpfen. Dabei hat der Stabilisatorstab in der Regel einen kreisförmigen Querschnitt oder einen kreisringförmigen Querschnitt. Es handelt sich also um einen Vollstabilisator oder um einen Rohrstabilisator (mit einem rohrförmigen Stabilisatorstab).The invention relates to a stabilizer for the front axle or the rear axle of a motor vehicle, with a - straight or curved - stabilizer bar and with partially spherical connecting heads provided on both ends of the stabilizer bar. The stabilizer bar generally has a circular cross section or an annular cross section. So it is a full stabilizer or a tube stabilizer (with a tubular stabilizer bar).

Im Stand der Technik, von dem die Erfindung ausgeht, sind die Enden des Stabilisatorstabes mit einem Innengewinde und die Anschlußköpfe mit einem Einschraubbolzen versehen, wobei der Einschraubbolzen der Anschlußköpfe ein dem Innengewinde der Enden des Stabilisatorstabes entsprechendes Außengewinde aufweist; die Anschlußköpfe sind also in die Enden des Stabilisatorstabes eingeschraubt. Das ist - wegen der Notwendigkeit, mehrfach Gewinde schneiden zu müssen - relativ aufwendig. Im übrigen sind regelmäßig der Stabilisatorstab einerseits und die Anschlußköpfe andererseits separate Bauteile, die häufig auch von unterschiedlichen Firmen hergestellt werden.In the prior art, from which the invention is based, the ends of the stabilizer bar are provided with an internal thread and the connection heads are provided with a screw-in bolt, the screw-in bolt of the connection heads having an external thread corresponding to the internal thread of the ends of the stabilizer bar; the connection heads are screwed into the ends of the stabilizer bar. Because of the need to cut threads several times, this is relatively complex. In addition, the stabilizer bar on the one hand and the connection heads on the other hand are regularly separate components, which are often also manufactured by different companies.

Der Erfindung liegt folglich die Aufgabe zugrunde, einen Stabilisator der in Rede stehenden Art anzugeben, der weniger aufwendig ist, insbesondere weniger aufwendig in der Herstellung ist.The invention is therefore based on the object of specifying a stabilizer of the type in question which is less complex, in particular less complex to manufacture.

Der erfindungsgemäße Stabilisator, bei dem die zuvor hergeleitete und aufgezeigte Aufgabe gelöst ist, ist in einer ersten Ausführungsform zunächst und im wesentlichen dadurch gekennzeichnet, daß die Anschlußköpfe stoffschlüssig mit den Enden des Stabilisatorstabes verbunden sind. Diese stoffschlüssige Verbindung der Anschlußköpfe mit den Enden des Stabilisatorstabes kann unterschiedlich realisiert sein.The stabilizer according to the invention, in which the previously derived and shown object is achieved, is initially and essentially characterized in a first embodiment in that the connection heads are integrally connected to the ends of the stabilizer rod. This integral connection of the connection heads with the ends of the stabilizer bar can be realized in different ways.

Eine erste Realisierungsmöglichkeit der stoffschlüssigen Verbindung der Anschlußköpfe mit den Enden des Stabilisatorstabes ist dadurch gekennzeichnet, daß die Anschlußköpfe an die Enden des Stabilisatorstabes angedreht sind. Dabei kann es sich empfehlen, die Enden des Stabilisatorstabes vor dem Andrehen der Anschlußköpfe zu hämmern.A first possibility of realizing the integral connection of the connection heads with the ends of the stabilizer bar is characterized in that the connection heads are screwed onto the ends of the stabilizer bar. It may be advisable to hammer the ends of the stabilizer rod before turning on the connection heads.

BESTÄTIGUNGSKOPit Eine weitere Realisierungsmöglichkeit der stoffschlüssigen Verbindung der Anschlußköpfe mit den Enden des Stabilisatorstabes ist dadurch gekennzeichnet, daß die Anschlußköpfe an die Enden des Stabilisatorstabes angestaucht sind.CONFIRMATION COPIT Another possibility of realizing the integral connection of the connection heads with the ends of the stabilizer bar is characterized in that the connection heads are upset at the ends of the stabilizer bar.

Bei den beiden zuvor angesprochenen Realisierungsmöglichkeiten der stoffschlüssigen Verbindung der Anschlußköpfe mit den Enden des Stabilisatorstabes wird von einem Stabilisatorstab ausgegangen, der, bei gleicher wirksamer Länge, um die Länge der beiden Anschlußköpfe länger ist als der Stabilisatorstab des Stabilisators, von dem die Erfindung ausgeht. Aus dem an den beiden Enden des Stabilisatorstabes zusätzlich vorhandenen Material entstehen die Anschlußköpfe.In the two possibilities of realizing the cohesive connection of the connection heads with the ends of the stabilizer rod, a stabilizer rod is assumed which, with the same effective length, is longer by the length of the two connection heads than the stabilizer rod of the stabilizer from which the invention is based. The connection heads are made from the additional material at both ends of the stabilizer bar.

Eine gegenüber den zuvor geschilderten Realisierungsmöglichkeiten andere Realisierungsmöglichkeit der stoffschlüssigen Verbindung der Anschlußköpfe mit den Enden des Stabilisatorstabes ist dadurch gekennzeichnet, daß die Anschlußköpfe an die Enden des Stabilisatorstabes angeschweißt sind. Vorzugsweise sind die Anschlußköpfe durch Reibschweißen oder durch Magnetarcschweißen mit den Enden des Stabilisatorstabes verbunden.Another possible implementation of the cohesive connection of the connection heads to the ends of the stabilizer bar compared to the previously described implementation options is characterized in that the connection heads are welded to the ends of the stabilizer bar. The connection heads are preferably connected to the ends of the stabilizer bar by friction welding or by magnetic arc welding.

Für die zuvor beschriebene erste Ausführungsform des erfindungsgemäßen Stabilisators - in den geschilderten Realisierungsmöglichkeiten - gilt, daß die Herstellung weniger aufwendig ist als die Herstellung der im Stand der Technik bekannten Stabilisatoren, von denen die Erfindung ausgeht, weil insbesondere das mehrfache Gewindeschneiden entfällt, und daß für den Verwender des erfindungsgemäßen Stabilisators nur ein Bauteil vorliegt, Stabilisatorstab mit werkseitig damit verbundenen Anschlußköpfen.For the first embodiment of the stabilizer according to the invention described above - in the described implementation possibilities - the fact that the manufacture is less expensive than the manufacture of the stabilizers known in the prior art, from which the invention is based, because in particular the multiple thread cutting is omitted, and for the user of the stabilizer according to the invention has only one component, stabilizer rod with connection heads connected at the factory.

Das, was zuvor in bezug auf die erste Ausführungsform des erfindungsgemäßen Stabilisators gesagt worden ist, gilt auch für eine zweite Ausführungsform des erfindungsgemäßen Stabilisators, bei der der Stabilisatorstab rohrförmig ausgeführt ist und die zunächst und im wesentlichen dadurch gekennzeichnet ist, daß die Anschlußköpfe mit Einsteckenden versehen und mit ihren Einsteckenden in die Enden des Stabilisatorstabes eingesteckt sind. Vorzugsweise sind die Einsteckenden der Anschlußköpfe zylindrisch, insbesondere kreiszylindrisch ausgeführt. Bei dieser Ausführungsform des erfindungsgemäßen Stabilisators können die Einsteckenden der An- schlußköpfe mit den Enden des Stabilisatorstabes verpreßt sein. Es besteht aber auch die Möglichkeit, die Einsteckenden der Anschlußköpfe durch Rollen mit den Enden des Stabilisatorstabes zu verbinden.What has been said above in relation to the first embodiment of the stabilizer according to the invention also applies to a second embodiment of the stabilizer according to the invention, in which the stabilizer rod is tubular and which is initially and essentially characterized in that the connection heads are provided with insertion ends and are inserted with their insertion ends into the ends of the stabilizer bar. The insertion ends of the connection heads are preferably cylindrical, in particular circular cylindrical. In this embodiment of the stabilizer according to the invention, the insertion ends of the attachments end heads with the ends of the stabilizer bar pressed. But there is also the possibility of connecting the insertion ends of the connection heads to the ends of the stabilizer rod by means of rollers.

In der Regel ist der Durchmesser des Stabilisatorstabes größer als der Durchmesser der teilkugelförmigen Anschlußköpfe an ihren den Enden des Stabilisatorstabes zugewandten Anschlußflächen. Folglich empfiehlt es sich, zwischen den Anschlußköpfen und den Enden des Stabilisatorstabes jeweils einen konischen Übergang zu verwirklichen.As a rule, the diameter of the stabilizer bar is larger than the diameter of the part-spherical connection heads at their connection surfaces facing the ends of the stabilizer bar. It is therefore advisable to implement a conical transition between the connection heads and the ends of the stabilizer bar.

Schließlich kann es bei den erfindungsgemäßen Stabilisatoren vorteilhaft sein, zwischen den Anschlußköpfen und den Enden des Stabilisatorstabes jeweils eine umlaufende Nut zu verwirklichen. Wozu eine solche Nut dienen kann, wird weiter unten noch erläutert.Finally, it can be advantageous in the stabilizers according to the invention to implement a circumferential groove between the connection heads and the ends of the stabilizer bar. What such a groove can be used for will be explained further below.

Im folgenden werden die beiden weiter oben erläuterten Ausführungsformen erfindungsgemäßer Stabilisatoren und bevorzugte Ausführungsbeispiele dieser erfindungsgemäßen Stabilisatoren in Verbindung mit der Zeichnung nochmals erläutert. In der Zeichnung zeigtIn the following, the two embodiments of stabilizers according to the invention and preferred exemplary embodiments of these stabilizers according to the invention explained in connection with the drawing are explained again. In the drawing shows

Fig. 1 einen Endbereich eines ersten Ausführungsbeispiels eines erfindungsgemäßen Stabilisators,1 shows an end region of a first exemplary embodiment of a stabilizer according to the invention,

Fig. 2 einen Endbereich eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Stabilisators,2 shows an end region of a second exemplary embodiment of a stabilizer according to the invention,

Fig. 3 einen Endbereich eines dritten Ausführungsbeispiels eines erfindungsgemäßen Stabilisators undFig. 3 shows an end region of a third embodiment of a stabilizer according to the invention and

Fig. 4 einen Endbereich eines vierten Ausführungsbeispiels eines erfindungsgemäßen Stabilisators.Fig. 4 shows an end region of a fourth embodiment of a stabilizer according to the invention.

In den Figuren ist - nur teilweise - dargestellt ein Stabilisator, wie er für die Vorderachse oder die Hinterachse von Kraftfahrzeugen verwendet wird. Zu dem Stabilisator gehören ein, in allen Figuren nur teilweise, nämlich nur mit einem Endbereich, dargestellter, gerader oder gebogener Stabilisatorstab 1 und an den beiden Enden des Stabilisatorstabes 1 vorgesehene, teilkugelförmige Anschlußköpfe 2. Der Stabilisatorstab 1 hat im Ausbildungsbeispiel nach den Fig. 1 , 2 und 4 einen kreisförmigen Querschnitt; bei diesen Stabilisatoren handelt es sich also um sog. Vollstabilisatoren. Im Ausführungsbeispiel nach Fig. 3 hat der Stabilisatorstab 1 einen kreisringförmigen Querschnitt; es liegt also ein rohrförmiger Stabilisatorstab 1 und folglich ein sog. Rohrstabilisator vor.The figures show - only partially - a stabilizer as used for the front axle or the rear axle of motor vehicles. To the stabilizer include a, in all figures only partially, namely only with one end region, shown, straight or curved stabilizer bar 1 and at the two ends of the stabilizer bar 1 provided, partially spherical connection heads 2. The stabilizer bar 1 has in the training example according to FIGS. 1, 2 and 4 is a circular cross section; these stabilizers are so-called full stabilizers. In the exemplary embodiment according to FIG. 3, the stabilizer bar 1 has an annular cross section; there is therefore a tubular stabilizer bar 1 and consequently a so-called tube stabilizer.

Wie ausgeführt, werden die in Rede stehenden Stabilisatoren für die Vorderachse und/oder die Hinterachse eines Kraftfahrzeugs verwendet. Die Stabilisatoren sind dabei über sog. Anbindungselemente mit der Vorderachse und/oder der Hinterachse eines Kraftfahrzeugs verbunden.As stated, the stabilizers in question are used for the front axle and / or the rear axle of a motor vehicle. The stabilizers are connected to the front axle and / or the rear axle of a motor vehicle via so-called connection elements.

Zu den Anbindungselementen gehören, was nur in Fig. 1 dargestellt ist, jeweils, d. h. auf beiden Seiten des Stabilisators, ein Stabilisatorendenanbindungselement 3, ein Achsanbindungselement 4 und eine das Stabilisatorendenanbindungselement 3 und das Achsanbindungselement 4 verbindende, aus Stahl oder aus Kunststoff gefertigte Koppelstange 5.The connection elements include, which is only shown in FIG. 1, respectively. H. on both sides of the stabilizer, a stabilizer end connection element 3, an axle connection element 4 and a coupling rod 5 connecting the stabilizer end connection element 3 and the axle connection element 4 and made of steel or plastic.

Wie die Fig. 1 zeigt, gehören zu dem Stabilisatorendenanbindungselement 3 ein inneres Kunststofflager 3a, ein der Abdichtung zwischen dem Stabilisatorende und dem Kunststofflager 3a dienender Balg 3b und eine das Kunststofflager 3a aufnehmende, aus Stahl gefertigte, mit der Koppelstange 5 verbundene äußere Lagerbuchse 3c. Der Balg 3b ist beidseitig befestigt, und zwar im in Fig. 1 dargestellten Ausführungsbeispiel am Stabilisatorende durch eine Federbandschelle 3d und am inneren Kunst- stofflager 3a durch einen Federring 3e.As shown in FIG. 1, the stabilizer end connection element 3 includes an inner plastic bearing 3a, a bellows 3b serving to seal between the stabilizer end and the plastic bearing 3a, and an outer bearing bush 3c made of steel and made of steel and connected to the coupling rod 5. The bellows 3b is fastened on both sides, specifically in the exemplary embodiment shown in FIG. 1 at the stabilizer end by a spring band clamp 3d and on the inner plastic bearing 3a by a spring ring 3e.

Wie wiederum der Fig. 1 entnommen werden kann, gehören zu dem Achsanbindungselement 4 eine aus Stahl gefertigte, mit der Koppelstange 5 verbundene äußere Lagerbuchse 4a, ein in der äußeren Lagerbuchse 4a angeordnetes inneres Gummioder Kunststofflager 4b und ein mit dem inneren Gummi- oder Kunststofflager 4b verbundenes Achsanschlußelement 4c. Der Fig. 1 kann schließlich entnommen werden, daß der Anschlußkopf 2 dem Anschluß des Stabilisators an das Stabilisatorendenanbindungselement 3 dient, der Anschlußkopf 2 nämlich in dem inneren Kunststofflager 3a des Stabilisatorendenanbin- dungselementes 3 - allseitig drehbar - gelagert ist.As can again be seen in FIG. 1, the axle connection element 4 includes an outer bearing bush 4a made of steel and connected to the coupling rod 5, an inner rubber or plastic bearing 4b arranged in the outer bearing bush 4a and an inner bearing with the inner rubber or plastic bearing 4b connected axle connection element 4c. 1 can finally be seen that the connection head 2 serves to connect the stabilizer to the stabilizer end connection element 3, namely the connection head 2 is mounted in the inner plastic bearing 3a of the stabilizer end connection element 3 — rotatable on all sides.

Den Fig. 1 , 2 und 4 ist gemeinsam, daß sie die erste Ausführungsform des erfindungsgemäßen Stabilisators zeigen, die dadurch gekennzeichnet ist, daß die Anschlußköpfe 2 stoffschlüssig mit den Enden des Stabilisatorstabes 1 verbunden sind.1, 2 and 4 have in common that they show the first embodiment of the stabilizer according to the invention, which is characterized in that the connection heads 2 are integrally connected to the ends of the stabilizer bar 1.

Für die in den Fig. 1 und 4 dargestellten Ausführungsbeispiele gilt, daß die Anschlußköpfe 2 an die Enden des Stabilisatorstabes 1 angedreht sind. Nicht zu entnehmen ist den Fig. 1 und 4, daß die Enden des Stabilisatorstabes 1 vor dem Andrehen der Anschlußköpfe 2 gehämmert sein können. Nicht dargestellt ist auch, daß die Anschlußköpfe 2 an die Enden des Stabilisatorstabes 1 angestaucht sein können.For the exemplary embodiments shown in FIGS. 1 and 4, the connection heads 2 are screwed to the ends of the stabilizer bar 1. 1 and 4 that the ends of the stabilizer bar 1 can be hammered before the connection heads 2 are turned on. It is also not shown that the connection heads 2 can be upset at the ends of the stabilizer bar 1.

Für das in Fig. 2 dargestellte Ausführungsbeispiel der ersten Ausführungsform des erfindungsgemäßen Stabilisators gilt, daß die Anschlußköpfe 2 an die Enden des Stabilisatorstabes 1 angeschweißt sind. Im einzelnen können die Anschlußköpfe 2 durch Reibschweißen oder durch Magnetarcschweißen mit den Enden des Stabilisatorstabes 1 verbunden sein.For the embodiment of the first embodiment of the stabilizer according to the invention shown in FIG. 2, the connection heads 2 are welded to the ends of the stabilizer rod 1. In particular, the connection heads 2 can be connected to the ends of the stabilizer bar 1 by friction welding or by magnetic arc welding.

In Fig. 3 ist die zweite Ausführungsform des erfindungsgemäßen Stabilisators dargestellt. Bei dieser Ausführungsform liegt ein Stabilisatorstab 1 mit einem kreisringförmigen Querschnitt vor. Die Anschlußköpfe 2 sind mit Einsteckenden 6 versehen und mit ihren Einsteckenden 6 in die Enden des - rohrförmigen - Stabilisatorstabes 1 eingesteckt. Wie die Fig. 3 zeigt, sind im dargestellten Ausführungsbeispiel die Einsteckenden 6 der Anschlußköpfe 2 kreiszylindrisch ausgeführt.3 shows the second embodiment of the stabilizer according to the invention. In this embodiment there is a stabilizer bar 1 with an annular cross section. The connection heads 2 are provided with insertion ends 6 and their insertion ends 6 are inserted into the ends of the - tubular - stabilizer rod 1. As shown in FIG. 3, the insertion ends 6 of the connection heads 2 are circular cylindrical in the exemplary embodiment shown.

Im übrigen können bei der zweiten Ausführungsform des erfindungsgemäßen Stabilisators die Einsteckenden der Anschlußköpfe mit den Enden des Stabilisatorstabes verpreßt sein, was nicht dargestellt ist. Vielmehr ist in Fig. 3 ein Ausführungsbeispiel dargestellt, bei dem die Einsteckenden 6 der Anschlußköpfe 2 durch Rollen mit den Enden des Stabilisatorstabes 1 verbunden sind. Der Fig. 3 kann entnommen werden, daß durch das Rollen das Ende des Stabilisatorstabes 1 eine Materialverdrängung 7 erfahren hat und daß dadurch zwischen dem Ende des Stabilisatorstabes 1 und dem Einsteckende 6 des Anschlußkopfes 2 ein Formschluß erreicht worden ist.Moreover, in the second embodiment of the stabilizer according to the invention, the insertion ends of the connection heads can be pressed with the ends of the stabilizer rod, which is not shown. Rather, an embodiment is shown in Fig. 3, in which the insertion ends 6 of the connection heads 2 are connected by rollers to the ends of the stabilizer rod 1. 3 it can be seen that the end of the stabilizer bar 1 is a material displacement 7 by rolling has experienced and that thereby a positive connection has been achieved between the end of the stabilizer rod 1 and the insertion end 6 of the connection head 2.

Für die in den Figuren dargestellten Ausführungsbeispiele erfindungsgemäßer Stabilisatoren gilt, daß der Durchmesser des Stabilisatorstabes 1 größer ist als der Durchmesser der teilkugelförmigen Anschlußköpfe 2 an ihren den Enden des Stabilisatorstabes 1 zugewandten Anschlußflächen. Deshalb ist in allen Ausführungsbeispielen zwischen den Anschlußköpfen 2 und den Enden des Stabilisatorstabes 1 jeweils ein konischer Übergang 9 verwirklicht.For the exemplary embodiments of stabilizers according to the invention shown in the figures, the diameter of the stabilizer rod 1 is larger than the diameter of the part-spherical connecting heads 2 at their connecting surfaces facing the ends of the stabilizer rod 1. Therefore, a conical transition 9 is realized in each of the exemplary embodiments between the connection heads 2 and the ends of the stabilizer bar 1.

Die Fig. 4 zeigt schließlich noch insoweit ein bevorzugtes Ausführungsbeispiel eines erfindungsgemäßen Stabilisators, als zwischen den Anschlußköpfen 2 und den Enden des Stabilisatorstabes 1 jeweils eine umlaufende Nut 10 verwirklicht ist. Weiter oben ist in Verbindung mit Fig. 1 erläutert worden, wie bei dem in Fig. 1 dargestellten Ausführungsbeispiel der Balg 3b am Stabilisatorstab 1 befestigt ist, nämlich mit Hilfe einer Federbandschelle 3d, während der Balg 3b am inneren Kunststofflager 3a mit einem Federring 3e befestigt ist. Die im Ausführungsbeispiel nach Fig. 4 vorgesehene umlaufende Nut 10 gibt nun die nicht dargestellte Möglichkeit, den Balg 3b in die umlaufende Nut 10 eingreifen zu lassen und z. B. ebenfalls mit einem Federring zu sichern bzw. zu befestigen.Finally, FIG. 4 shows a preferred embodiment of a stabilizer according to the invention, as a circumferential groove 10 is realized between the connection heads 2 and the ends of the stabilizer bar 1. It was explained in connection with FIG. 1 how the bellows 3b is fastened to the stabilizer bar 1 in the exemplary embodiment shown in FIG. 1, namely with the aid of a spring band clamp 3d, while the bellows 3b is fastened to the inner plastic bearing 3a with a spring ring 3e is. The provided in the embodiment of FIG. 4 circumferential groove 10 now gives the possibility, not shown, to let the bellows 3b engage in the circumferential groove 10 and z. B. also secure or attach with a spring washer.

Selbstverständlich ist, daß bei den erfindungsgemäßen Stabilisatoren die Anschlußköpfe 2 oberflächenmäßig so behandelt werden müssen, daß ein einwandfreies Zusammenarbeiten jedes Anschlußkopfes 2 des Stabilisators mit dem inneren Kunststofflager 3a des zugeordneten Stabilisatorendenanbindungselementes 3 über viele Jahre gewährleistet ist. It goes without saying that, in the case of the stabilizers according to the invention, the connection heads 2 have to be surface-treated in such a way that perfect cooperation of each connection head 2 of the stabilizer with the inner plastic bearing 3a of the associated stabilizer end connection element 3 is ensured for many years.

Claims

Patentansprüche : Claims: 1. Stabilisator für die Vorderachse oder die Hinterachse eines Kraftfahrzeugs, mit einem - geraden oder gebogenen - Stabilisatorstab und mit an den beiden Enden des Stabilisatorstabes vorgesehenen, teilkugelförmigen Anschlußköpfen, dadurch gekennzeichnet, daß die Anschlußköpfe (2) stoffschlüssig mit den Enden des Stabilisatorstabes (1) verbunden sind.1. Stabilizer for the front axle or the rear axle of a motor vehicle, with a - straight or curved - stabilizer bar and with partially spherical connecting heads provided at both ends of the stabilizer bar, characterized in that the connecting heads (2) are integrally connected to the ends of the stabilizer bar (1 ) are connected. 2. Stabilisator nach Anspruch 1, dadurch gekennzeichnet, daß die Anschlußköpfe (2) an die Enden des Stabilisatorstabes (1) angedreht sind.2. Stabilizer according to claim 1, characterized in that the connection heads (2) are screwed to the ends of the stabilizer bar (1). 3. Stabilisator nach Anspruch 2, dadurch gekennzeichnet, daß die Enden des Stabilisatorstabes (1) vor dem Andrehen der Anschlußköpfe (2) gehämmert sind.3. Stabilizer according to claim 2, characterized in that the ends of the stabilizer rod (1) are hammered before turning on the connection heads (2). 4. Stabilisator nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Anschlußköpfe (2) an die Enden des Stabilisatorstabes (1) angestaucht sind.4. Stabilizer according to claim 1 or 2, characterized in that the connection heads (2) at the ends of the stabilizer rod (1) are upset. 5. Stabilisator nach Anspruch 1, dadurch gekennzeichnet, daß die Anschlußköpfe (2) an die Enden des Stabilisatorstabes (1) angeschweißt sind.5. Stabilizer according to claim 1, characterized in that the connection heads (2) are welded to the ends of the stabilizer bar (1). 6. Stabilisator nach Anspruch 5, dadurch gekennzeichnet, daß die Anschlußköpfe (2) durch Reibschweißen oder durch Magnetarcschweißen mit den Enden des Stabilisatorstabes (1) verbunden sind.6. Stabilizer according to claim 5, characterized in that the connection heads (2) are connected by friction welding or by magnetic arc welding to the ends of the stabilizer bar (1). 7. Stabilisator für die Vorderachse oder die Hinterachse eines Kraftfahrzeugs, mit einem - geraden oder gebogenen, rohrförmigen - Stabilisatorstab und mit an den beiden Enden des Stabilisatorstabes vorgesehenen teilkugelförmigen Anschlußköpfen, dadurch gekennzeichnet, daß die Anschlußköpfe (2) mit Einsteckenden (6) versehen und mit ihren Einsteckenden (6) in die Enden des Stabilisatorstabes (1) eingesteckt sind.7. stabilizer for the front axle or the rear axle of a motor vehicle, with a - straight or curved, tubular - stabilizer bar and with part-spherical connecting heads provided at both ends of the stabilizer bar, characterized in that the connecting heads (2) are provided with insertion ends (6) and are inserted with their insertion ends (6) into the ends of the stabilizer bar (1). 8. Stabilisator nach Anspruch 7, dadurch gekennzeichnet, daß die Einsteckenden (6) der Anschlußköpfe (2) zylindrisch, vorzugsweise kreiszylindrisch ausgeführt sind. 8. Stabilizer according to claim 7, characterized in that the insertion ends (6) of the connection heads (2) are cylindrical, preferably circular cylindrical. 9. Stabilisator nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Einsteckenden (6) der Anschlußköpfe (2) mit den Enden des Stabilisatorstabes (1) verpreßt sind.9. Stabilizer according to claim 7 or 8, characterized in that the insertion ends (6) of the connection heads (2) with the ends of the stabilizer rod (1) are pressed. 10. Stabilisator nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Einsteckenden (6) der Anschlußköpfe (2) durch Rollen mit den Enden des Stabilisatorstabes (1) verbunden sind.10. Stabilizer according to claim 7 or 8, characterized in that the insertion ends (6) of the connection heads (2) are connected by rollers to the ends of the stabilizer rod (1). 11. Stabilisator nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß zwischen den Anschlußköpfen (2) und den Enden des Stabilisatorstabes (1) jeweils ein konischer Übergang (9) verwirklicht ist.11. Stabilizer according to one of claims 1 to 10, characterized in that between the connection heads (2) and the ends of the stabilizer rod (1) each have a conical transition (9) is realized. 12. Stabilisator nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß zwischen den Anschlußköpfen (2) und den Enden des Stabilisatorstabes (1) jeweils eine umlaufende Nut (10) verwirklicht ist. 12. Stabilizer according to one of claims 1 to 11, characterized in that between the connection heads (2) and the ends of the stabilizer bar (1) each have a circumferential groove (10) is realized.
PCT/EP1997/005949 1996-11-04 1997-10-28 Stabilizer Ceased WO1998019873A2 (en)

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AU60899/98A AU6089998A (en) 1996-11-04 1997-10-28 Stabilizer

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DE19645132A DE19645132A1 (en) 1996-11-04 1996-11-04 stabilizer

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP1153775A1 (en) * 2000-05-08 2001-11-14 Meritor Light Vehicle Systems, Inc. Stabilizer bar with integral end links for a vehicle suspension system

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Publication number Priority date Publication date Assignee Title
DE10156548A1 (en) * 2001-11-20 2003-05-28 Zf Lemfoerder Metallwaren Ag Joint between two parts able to move relative to each other has curved bearing surface passing into journal neck on one side
JP5709665B2 (en) * 2011-06-20 2015-04-30 日本発條株式会社 Stabilink and manufacturing method thereof
DE102012202988A1 (en) * 2012-02-28 2013-08-29 Zf Friedrichshafen Ag Connecting arrangement for a vehicle wheel suspension
DE102014219605B4 (en) 2014-09-26 2021-10-07 Volkswagen Ag Front bolted connection of a stabilizer on a multi-link axle
DE102017111219A1 (en) 2017-05-23 2018-11-29 Schaeffler Technologies AG & Co. KG Roll stabilizer for a motor vehicle

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DE2539698A1 (en) * 1975-09-06 1977-03-10 Bosch Gmbh Robert Plastic torsion suspension arm - with H-section rod and moulded ball joint shells at end
DE3737735C1 (en) * 1987-09-10 1988-06-23 Daimler Benz Ag Bearing of a stabiliser which is mounted on the body of a motor vehicle
DE3730338A1 (en) * 1987-09-10 1989-03-23 Daimler Benz Ag Stabiliser for motor vehicles
DE4112812C2 (en) * 1991-04-19 1994-11-24 Audi Ag Torsion bar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1153775A1 (en) * 2000-05-08 2001-11-14 Meritor Light Vehicle Systems, Inc. Stabilizer bar with integral end links for a vehicle suspension system
US6648350B1 (en) 2000-05-08 2003-11-18 Meritor Light Vehicle Systems, Inc. Suspension system for a vehicle having a vehicle stabilizer bar with integral end links

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DE19645132A1 (en) 1998-05-07

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