EP0324138A2 - Electrically driven toy vehicle - Google Patents

Electrically driven toy vehicle Download PDF

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Publication number
EP0324138A2
EP0324138A2 EP88121296A EP88121296A EP0324138A2 EP 0324138 A2 EP0324138 A2 EP 0324138A2 EP 88121296 A EP88121296 A EP 88121296A EP 88121296 A EP88121296 A EP 88121296A EP 0324138 A2 EP0324138 A2 EP 0324138A2
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EP
European Patent Office
Prior art keywords
chassis
driving
wire sections
driving toy
toy according
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.)
Granted
Application number
EP88121296A
Other languages
German (de)
French (fr)
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EP0324138A3 (en
EP0324138B1 (en
Inventor
Kurt Hesse
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT88121296T priority Critical patent/ATE75627T1/en
Publication of EP0324138A2 publication Critical patent/EP0324138A2/en
Publication of EP0324138A3 publication Critical patent/EP0324138A3/en
Application granted granted Critical
Publication of EP0324138B1 publication Critical patent/EP0324138B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H18/00—Highways or trackways for toys; Propulsion by special interaction between vehicle and track
    • A63H18/12—Electric current supply to toy vehicles through the track

Definitions

  • the invention relates to a driving toy with an electric drive motor and sliding contacts arranged on the chassis thereof, which are connected to the drive motor and make contact with current conductors laid in the driving lane.
  • this object is achieved in that, as sliding contacts, a number of corrugated wire sections, which are gripped by means of a sleeve over a partial length, are made of electrically conductive and resiliently elastic work fabric serves.
  • Phosphor bronze can preferably be used as the material for the filament-shaped wire sections.
  • brush-like sliding contacts are created, the individual wire sections of which are used independently as contact elements and, owing to their low restoring force, leave the toy safely on the carriageway even with a steep tap and at the same time ensure reliable electrical contact with the current conductors.
  • the corrugations have an advantageous effect on the mechanical properties of the wire sections, on the one hand preventing kinks and, on the other hand, sufficient deflections, as are required in the system on the current conductors, can take place.
  • the radius of the wire section corrugation is essentially one millimeter. It is understood that the corrugation can also be carried out with a smaller or larger radius. The size of the corrugation can depend on the free length of the wire sections.
  • the sleeve which holds the wire sections is formed from a material with high electrical conductivity. Copper is provided as a suitable material.
  • clamping bodies fixed to the chassis.
  • the clamping bodies can expediently be fixed on the chassis by grasping chassis-fixed formations. The clamping bodies can thus be fixed to the vehicle chassis without tools or clamping means.
  • 1 denotes a chassis of a driving toy which can be driven on driving tracks (not shown) by means of wheels 2.
  • the chassis 1 carries, in a manner known per se, an electric motor (not shown) as the drive element, which is connected to sliding contacts 3 via electrical conductors.
  • the sliding contacts 3 protrude the bottom of the chassis 2 obliquely backwards and downwards with their free part in the Contact contact embedded electrical conductors and connected to a power source.
  • the chassis 1 has recesses 4 with inclined surfaces 5 (FIG. 2), on which sliding contacts 7 can be placed and fixed by means of clamping bodies 6.
  • the clamping body 6 are formed by sheet metal parts which have gates 6 'for this purpose, which press on the sliding contacts 7.
  • the fixation of the clamping body 7 is carried out by the rear part of the wall parts of the chassis 1.
  • the recesses 4 are arranged on a pivotable chassis part 1 ', on which 8 guide lugs 9 for the toy are held on guide rails by means of pins.
  • the sliding contacts 7 have a flattened sleeve 10, which according to FIGS. 3 to 5 in the central opening 11 a number, for. B. 110 pieces of independent wire sections 12 made of a resilient metallic material. Phosphor bronze serves as a suitable material for the wire sections 12.
  • the wire sections 12 are corrugated, the corrugation being arbitrary, preferably with a free length of 10 millimeters with a radius of one millimeter.
  • the sleeve 10 comprising the wire sections 12 is made of copper, whereby a secure contact between the sleeve 10 and the wire sections 12 is ensured. In Fig. 6 it can be seen that the corrugation of the wire sections 12 is approximately sinusoidal.
  • the shaft radius can be selected to be larger in the case of sliding contacts of larger design.

Abstract

Bei einem Fahrspielzeug mit einem elektrischen Antriebsmotor und am Chassis desselben angeordneten Schleifkontakten, die mit dem Antriebsmotor in Verbindung stehen und mit in der Fahrspielbahn verlegten Stromleitern kontaktieren dienen zur sicheren Beibehaltung der Fahrbahnkontakte durch das Fahrspielzeug und zur sicheren Wirkverbindung der Schleifkontakte mit den Stromleitern als Schleifkontakt (7) eine Anzahl mittels einer Hülse (10) über eine Teillänge gefaßte gewellte Drahtabschnitte (12) aus elektrisch leitendem und federnd elastischem Werkstoff.In the case of a driving toy with an electric drive motor and sliding contacts arranged on the chassis thereof, which are connected to the driving motor and make contact with current conductors laid in the driving lane, serve to securely maintain the road contacts by the driving toy and to securely connect the sliding contacts to the current conductors as sliding contact ( 7) a number of corrugated wire sections (12) made of electrically conductive and resiliently elastic material which are gripped over a partial length by means of a sleeve (10).

Description

Die Erfindung betrifft ein Fahrspielzeug mit einem elektrischen Antriebsmotor und am Chassis desselben angeordneten Schleifkontakten, die mit dem Antriebsmo­tor in Verbindung stehen und mit in der Fahrspielbahn verlegten Stromleitern kontaktieren.The invention relates to a driving toy with an electric drive motor and sliding contacts arranged on the chassis thereof, which are connected to the drive motor and make contact with current conductors laid in the driving lane.

Es ist bekannt, in Spielfahrbahnen eingebettete Strom­leiter durch am Fahrspielzeug angeordnete Schleifkon­takte aus Metallgewebestreifen abzugreifen. Die Metall­gewebestreifen zeigen infolge der ihnen eigenen Steif­heit jedoch den Nachteil, daß bei steiler Stellung der Metallgewebestreifen der Kontakt zwischen den Lenkrä­dern und der Spielfahrbahn vielfach aufgehoben und Len­kungen nicht oder nur unvollkommen durchgeführt werden können, während bei flacher Stellung die Kontaktierungen mit den Stromleitern erschwert bzw. unterbrochen sind.It is known to tap current conductors embedded in play lanes by means of sliding contacts made of metal fabric strips arranged on the driving toy. However, due to their inherent stiffness, the metal fabric strips have the disadvantage that the contact between the steering wheels and the playing surface is often eliminated when the metal fabric strips are in a steep position, and steering operations cannot be carried out or can only be carried out incompletely, while in a flat position the contacts with the current conductors are made more difficult or are interrupted.

Es ist Aufgabe der Erfindung, die Fahrbahnkontakte des Fahrspielzeugs und die Kontaktierungen der Schleifkon­takte mit den Stromleitern sicherer zu machen.It is an object of the invention to make the roadway contacts of the toy vehicle and the contacts of the sliding contacts with the current conductors safer.

Der Erfindung gemäß ist diese Aufgabe dadurch gelöst, daß als Schleifkontakte eine Anzahl mittels einer Hülse über eine Teillänge gefaßte gewellte Drahtabschnitte aus elektrisch leitendem und federnd elastischem Werk­ stoff dient. Bevorzugt kann als Werkstoff für die fadenförmig ausgebildeten Drahtabschnitte Phosphor­bronze in Anwendung kommen. Auf diese Weise sind pin­selartige Schleifkontakte geschaffen, dessen einzelne Drahtabschnitte getrennt unabhängig voneinander als Kontaktelemente zum Einsatz kommen und infolge ihrer geringen Rückstellkraft auch bei steilem Abgriff das Fahrspielzeug sicher auf der Fahrspielbahn belassen und gleichzeitig einen sicheren elektrischen Kontakt mit den Stromleitern gewährleisten. Es hat sich ge­zeigt, daß sich die Wellungen vorteilhaft auf die me­chanischen Eigenschaften der Drahtabschnitte auswir­ken, wobei einerseits Abknickungen verhindert und an­dererseits ausreichende Abbiegungen, wie sie bei der Anlage an den Stromleitern erforderlich sind, erfol­gen können.According to the invention, this object is achieved in that, as sliding contacts, a number of corrugated wire sections, which are gripped by means of a sleeve over a partial length, are made of electrically conductive and resiliently elastic work fabric serves. Phosphor bronze can preferably be used as the material for the filament-shaped wire sections. In this way, brush-like sliding contacts are created, the individual wire sections of which are used independently as contact elements and, owing to their low restoring force, leave the toy safely on the carriageway even with a steep tap and at the same time ensure reliable electrical contact with the current conductors. It has been shown that the corrugations have an advantageous effect on the mechanical properties of the wire sections, on the one hand preventing kinks and, on the other hand, sufficient deflections, as are required in the system on the current conductors, can take place.

In Ausgestaltung des Fahrspielzeugs ist vorgesehen, daß bei einer freien Länge der Drahtabschnitte von etwa 10 Millimeter der Radius der Drahtabschnittswellung im wesentlichen ein Millimeter beträgt. Es versteht sich, daß die Wellung auch mit geringerem oder größerem Ra­dius ausgeführt sein kann. Dabei kann die Größe der Wellung von der freien Länge der Drahtabschnitte abhän­gig sein.In an embodiment of the toy vehicle it is provided that with a free length of the wire sections of approximately 10 millimeters the radius of the wire section corrugation is essentially one millimeter. It is understood that the corrugation can also be carried out with a smaller or larger radius. The size of the corrugation can depend on the free length of the wire sections.

Um sichere Kontaktierungen der einzelnen Drahtabschnit­te mit dem zum Motor führenden elektrischen Leiter zu gewährleisten, ist die die Drahtabschnitte fassende Hülse aus einem Werkstoff hoher elektrischer Leitfäh­igkeit gebildet. Als geeigneter Werkstoff ist Kupfer vorgesehen.In order to ensure reliable contacting of the individual wire sections with the electrical conductor leading to the motor, the sleeve which holds the wire sections is formed from a material with high electrical conductivity. Copper is provided as a suitable material.

Schließlich ist noch vorgesehen, die Schleifkon­takte mit ihren Hülsen auf in Ausnehmungen des Chassis angeordneten Schrägflächen abzustützen und mittels am Chassis fixierten Klemmkörpern lösbar fest am Chassis zu halten. Zweckmäßig sind die Klemmkörper durch Hin­terfassen von chassisfesten Anformungen am Chassis fixierbar. Die Klemmkörper sind so ohne Werkzeug bzw. Klemmittel am Fahrzeugchassis fixierbar.Finally, it is also provided to support the sliding contacts with their sleeves on inclined surfaces arranged in recesses in the chassis and to hold them releasably on the chassis by means of clamping bodies fixed to the chassis. The clamping bodies can expediently be fixed on the chassis by grasping chassis-fixed formations. The clamping bodies can thus be fixed to the vehicle chassis without tools or clamping means.

Die Erfindung ist anhandeines Ausführungsbeispiels in der Zeichnung verdeutlicht. Es zeigen:

  • Fig. 1 ein Teilstück eines Fahrspielzeugs mit Schleif­kontakten von unten, perspektivisch,
  • Fig. 2 ein Teilstück eines Fahrspielzeugs mit Schleif­kontakten von oben, perspektivisch,
  • Fig. 3 einen Schleifkontakt in Draufsicht, vergrößert,
  • Fig. 4 einen Schleifkontakt in Seitenansicht, ver­größert,
  • Fig. 5 einen Schnitt nach der Linie V-V der Fig. 3 und
  • Fig. 6 ein Teilstück eines Drahtabschnitts, stark ver­größert.
The invention is illustrated by means of an embodiment in the drawing. Show it:
  • 1 shows a section of a driving toy with sliding contacts from below, in perspective,
  • 2 a part of a driving toy with sliding contacts from above, in perspective,
  • 3 shows a sliding contact in plan view, enlarged,
  • 4 a sliding contact in side view, enlarged,
  • Fig. 5 is a section along the line VV of Fig. 3 and
  • Fig. 6 shows a portion of a wire section, greatly enlarged.

In den Fig. ist mit 1 ein Chassis eines Fahrspielzeugs bezeichnet, das mittels Rädern 2 auf Fahrspielbahnen (nicht gezeigt) fahrbar ist. Das Chassis 1 trägt in an sich bekannter Weise einen Elektromotor (nicht gezeigt) als Antriebsorgan, der über elektrische Leiter mit Schleifkontakten 3 in Verbindung steht. Die Schleifkon­takte 3 überragen die Unterseite des Chassis 2 schräg nach hinten und unten um mit ihrem freien Teil in der Spielfahrbahn eingebettete und mit einer Stromquelle verbundene elektrische Leiter zu kontaktieren.In the figures, 1 denotes a chassis of a driving toy which can be driven on driving tracks (not shown) by means of wheels 2. The chassis 1 carries, in a manner known per se, an electric motor (not shown) as the drive element, which is connected to sliding contacts 3 via electrical conductors. The sliding contacts 3 protrude the bottom of the chassis 2 obliquely backwards and downwards with their free part in the Contact contact embedded electrical conductors and connected to a power source.

Beim Ausführungsbeispiel weist das Chassis 1 Ausnehmun­gen 4 mit Schrägflächen 5 (Fig. 2) auf, auf die Schleif­kontakte 7 auflegbar und mittels Klemmkörpern 6 fixier­bar sind. Die Klemmkörper 6 sind durch Blechformteile ge­bildet, die hierzu Anschnitte 6′ aufweisen, die pressend auf die Schleifkontakte 7 aufliegen. Die Fixierung der Klemmkörper 7 erfolgt durch deren Hinterfassen von Wan­dungsteilen des Chassis 1. In Fig. 2 sind die Ausnehmun­gen 4 an einem abschwenkbaren Chassisteil 1′ angeordnet, an dem mittels Zapfen 8 Führungsansätze 9 für das Fahr­spielzeug an Leitschienen gehalten sind.In the exemplary embodiment, the chassis 1 has recesses 4 with inclined surfaces 5 (FIG. 2), on which sliding contacts 7 can be placed and fixed by means of clamping bodies 6. The clamping body 6 are formed by sheet metal parts which have gates 6 'for this purpose, which press on the sliding contacts 7. The fixation of the clamping body 7 is carried out by the rear part of the wall parts of the chassis 1. In Fig. 2, the recesses 4 are arranged on a pivotable chassis part 1 ', on which 8 guide lugs 9 for the toy are held on guide rails by means of pins.

Die Schleifkontakte 7 weisen eine abgeflachte Hülse 10 auf, die gemäß Fig. 3 bis 5 in der Mittelöffnung 11 eine Anzahl, z. B. 110 Stück unabhängige Drahtabschnitte 12 aus einem federnd elastischen metallischen Werkstoff halten. Als geeigneter Werkstoff für die Drahtabschnitte 12 dient Phosphorbronze. Die Drahtabschnitte 12 sind ge­wellt, wobei die Wellung beliebig, vorzugsweise bei einer freien Länge von 10 Millimeter mit dem Radius von einem Millimeter vorgenommen ist. Die die Drahtabschnitte 12 umfassende Hülse 10 ist aus Kupfer hergestellt, wodurch ein sicherer Kontakt zwischen der Hülse 10 und dem Draht­abschnitten 12 gewährleistet ist. In Fig. 6 ist erkenn­bar, daß die Wellung der Drahtabschnitte 12 etwa sinus­linienförmig ausgebildet ist.The sliding contacts 7 have a flattened sleeve 10, which according to FIGS. 3 to 5 in the central opening 11 a number, for. B. 110 pieces of independent wire sections 12 made of a resilient metallic material. Phosphor bronze serves as a suitable material for the wire sections 12. The wire sections 12 are corrugated, the corrugation being arbitrary, preferably with a free length of 10 millimeters with a radius of one millimeter. The sleeve 10 comprising the wire sections 12 is made of copper, whereby a secure contact between the sleeve 10 and the wire sections 12 is ensured. In Fig. 6 it can be seen that the corrugation of the wire sections 12 is approximately sinusoidal.

Es entspricht der Erfindung, daß bei Schleifkon­takten größerer Ausbildung der Wellenradius größer ge­wählt sein kann.It is in accordance with the invention that the shaft radius can be selected to be larger in the case of sliding contacts of larger design.

Claims (6)

1. Fahrspielzeug mit einem elektrischen Antriebsmotor und am Chassis desselben angeordneten Schleifkontakten, die mit dem Antriebsmotor in Verbindung stehen und mit in der Fahrspielbahn verlegten Stromleitern kontaktie­ren, dadurch gekennzeichnet, daß als Schleifkontakt (7) eine Anzahl mittels einer Hülse (10) über eine Teillän­ge gefaßte gewellte Drahtabschnitte (12) aus elektrisch leitendem und federnd elastischem Werkstoff dienen.1. Driving toy with an electric drive motor and the same arranged sliding contacts, which are connected to the drive motor and contact with conductors laid in the driving lane, characterized in that a sliding contact (7) a number by means of a sleeve (10) over a partial length collected corrugated wire sections (12) made of electrically conductive and resiliently elastic material. 2. Fahrspielzeug nach Anspruch 1, dadurch gekennzeich­net, daß die Drahtabschnitte (12) fadenförmig aus Phos­phorbronze gebildet sind.2. Driving toy according to claim 1, characterized in that the wire sections (12) are formed thread-like from phosphor bronze. 3. Fahrspielzeug nach Anspruch 1 und 2, dadurch ge­kennzeichnet, daß bei einer freien Länge der Drahtab­schnitte (12) von etwa 10 mm der Radius der Drahtab­schnittswellung im wesentlichen ein Millimeter beträgt.3. Driving toy according to claim 1 and 2, characterized in that with a free length of the wire sections (12) of about 10 mm, the radius of the wire section corrugation is substantially one millimeter. 4. Fahrspielzeug nach Anspruch 1, dadurch gekennzeich­net, daß die die Drahtabschnitte (12) fassende Hülse (10) aus einem Werkstoff hoher elektrischer Leitfähigkeit ge­bildet ist.4. Driving toy according to claim 1, characterized in that the wire sections (12) engaging sleeve (10) is formed from a material of high electrical conductivity. 5. Fahrspielzeug nach Anspruch 1, dadurch gekennzeich­net, daß die Schleifkontakte (7) mit ihren Hülsen (10) auf in Ausnehmungen (4) des Chassis (1) angeordneten Schrägflächen (5) abstützbar und mittels am Chassis (1) fixierten Klemmkörpern (6) lösbar fest am Chassis (1) gehalten sind.5. Driving toy according to claim 1, characterized in that the sliding contacts (7) with their sleeves (10) in recesses (4) of the chassis (1) arranged inclined surfaces (5) can be supported and by means of clamps (6) fixed to the chassis (1) ) are releasably held firmly on the chassis (1). 6. Fahrspielzeug nach Anspruch 1, dadurch gekennzeich­net, daß die Klemmkörper (6) durch Blechformteile ge­bildet und durch Hinterfassen von chassisfesten Anfor­mungen am Chassis fixierbar sind.6. Driving toy according to claim 1, characterized in that the clamping body (6) is formed by sheet metal parts and can be fixed by backing chassis-fixed formations on the chassis.
EP88121296A 1988-01-12 1988-12-20 Electrically driven toy vehicle Expired - Lifetime EP0324138B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88121296T ATE75627T1 (en) 1988-01-12 1988-12-20 TOY RIDE WITH AN ELECTRIC DRIVE MOTOR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3800568 1988-01-12
DE3800568A DE3800568A1 (en) 1988-01-12 1988-01-12 VEHICLE WITH AN ELECTRIC DRIVE MOTOR

Publications (3)

Publication Number Publication Date
EP0324138A2 true EP0324138A2 (en) 1989-07-19
EP0324138A3 EP0324138A3 (en) 1989-12-13
EP0324138B1 EP0324138B1 (en) 1992-05-06

Family

ID=6345086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88121296A Expired - Lifetime EP0324138B1 (en) 1988-01-12 1988-12-20 Electrically driven toy vehicle

Country Status (6)

Country Link
US (1) US4909770A (en)
EP (1) EP0324138B1 (en)
AT (1) ATE75627T1 (en)
DE (2) DE3800568A1 (en)
ES (1) ES2031578T3 (en)
GR (1) GR3004733T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6773327B1 (en) 2002-02-12 2004-08-10 Hasbro, Inc. Apparatus for actuating a toy
US7695341B1 (en) 2002-11-27 2010-04-13 Hasbro, Inc. Electromechanical toy
US6843703B1 (en) 2003-04-30 2005-01-18 Hasbro, Inc. Electromechanical toy
US7614907B2 (en) * 2008-02-12 2009-11-10 Chaojiong Zhang Contact terminal with self-adjusting contact surface
DE102009011852A1 (en) 2009-03-05 2010-09-09 MÜLLER, Andreas Toy car racing track, has direct current drive motor connected with connection poles of sliding contacts by diode bridge circuit such that connection poles of direct current drive motor are connected between diodes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE89367C (en) *
US2703534A (en) * 1949-01-10 1955-03-08 Lynn L Copeland Toy vehicle
US3382387A (en) * 1968-05-07 Gen Electric Electrical current collection and delivery method and apparatus
US4415635A (en) * 1980-04-09 1983-11-15 The University Of Virginia Electric brush
EP0277312A1 (en) * 1987-01-07 1988-08-10 Kurt Hesse Current collector for electrically driven toy cars

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675617A (en) * 1927-09-29 1928-07-03 Rudolph R Radinse Rotary wire brush
US2167068A (en) * 1937-03-07 1939-07-25 Gueydan Arthur Toy apparatus
US2993299A (en) * 1958-01-23 1961-07-25 Jr Alexander L M Dingee Remotely controlled trackless vehicle
US3086319A (en) * 1960-04-25 1963-04-23 Gilbert Co A C Road traffic toy remote controlled
US3252248A (en) * 1963-03-07 1966-05-24 Albert M Zalkind Line follower device, especially for toys
US3202109A (en) * 1964-08-18 1965-08-24 Edward R Stewart Miniature racing car
US3544982A (en) * 1968-05-01 1970-12-01 Rca Corp Multi-head magnetic transducer
US3486271A (en) * 1968-05-31 1969-12-30 Roger H Feikema Model car and track system
DE3602349C2 (en) * 1986-01-27 1996-03-21 Kurt Hesse Driving toys with their own motor drive

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE89367C (en) *
US3382387A (en) * 1968-05-07 Gen Electric Electrical current collection and delivery method and apparatus
US2703534A (en) * 1949-01-10 1955-03-08 Lynn L Copeland Toy vehicle
US4415635A (en) * 1980-04-09 1983-11-15 The University Of Virginia Electric brush
EP0277312A1 (en) * 1987-01-07 1988-08-10 Kurt Hesse Current collector for electrically driven toy cars

Also Published As

Publication number Publication date
US4909770A (en) 1990-03-20
DE3800568A1 (en) 1989-07-20
EP0324138A3 (en) 1989-12-13
ATE75627T1 (en) 1992-05-15
GR3004733T3 (en) 1993-04-28
DE3870846D1 (en) 1992-06-11
DE3800568C2 (en) 1993-06-09
ES2031578T3 (en) 1992-12-16
EP0324138B1 (en) 1992-05-06

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