EP0324138B1 - Electrically driven toy vehicle - Google Patents

Electrically driven toy vehicle Download PDF

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Publication number
EP0324138B1
EP0324138B1 EP88121296A EP88121296A EP0324138B1 EP 0324138 B1 EP0324138 B1 EP 0324138B1 EP 88121296 A EP88121296 A EP 88121296A EP 88121296 A EP88121296 A EP 88121296A EP 0324138 B1 EP0324138 B1 EP 0324138B1
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EP
European Patent Office
Prior art keywords
toy vehicle
chassis
toy
wire
vehicle 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.)
Expired - Lifetime
Application number
EP88121296A
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German (de)
French (fr)
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EP0324138A2 (en
EP0324138A3 (en
Inventor
Kurt Hesse
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.)
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.
  • pantograph brush which has individual wires crimped in the transverse direction to increase the elasticity.
  • the wires are encased in a gauze sheath that covers most of the wire sections.
  • this object is achieved in that a number of corrugated wire sections made of electrically conductive and resiliently elastic material, which are gripped by means of a sleeve over a partial length, are used as the sliding contact, and in that the sleeve comprising the wire sections is formed from a material of high electrical conductivity.
  • 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 invention is based on an improved driving behavior of the driving toys, especially in curves, with effective contacting of the sliding contacts of the driving toys with the associated current conductors. Faults due to the front area of a toy being levered out by the sliding contacts are effectively avoided.
  • the use of a sleeve made of a material with high electrical conductivity for mounting the wire sections enables simple attachment of the same to the driving toy, for example by clamping, wherein the clamping bodies can simultaneously serve as contacts.
  • the driving toy according to the invention is therefore particularly easy to assemble and, accordingly, inexpensive produce. At the same time, reliable contacting of the individual wire sections with the electrical conductor leading to the motor is ensured.
  • 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 roadway even when tapped off, while at the same time ensuring reliable electrical contact with the current conductors.
  • 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.
  • 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 underside 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. Hold 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.

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  • Toys (AREA)
  • Seats For Vehicles (AREA)

Abstract

In a toy vehicle with an electric drive motor and with wiper contacts disposed on the chassis thereof, which are in contact with the drive motor and with electrical conductors embedded in the toy vehicle track, a plurality of wire sections made of an electrically conducting and resiliently elastic material and kept together along part of their length by means of a sleeve are used to assure the maintenance of contact between the toy vehicle and the toy vehicle track and the operational connection of the wiper contacts with the conductors.

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 - beispielsweise aus der US-A-2 703 534 - 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 abgehoben 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, for example from US Pat. No. 2,703,534, to tap current conductors embedded in play lanes by sliding contacts made of metal fabric strips arranged on the drive toy. However, due to their inherent rigidity, the metal fabric strips have the disadvantage that the contact between the steering wheels and the playing surface can often be lifted when the metal fabric strips are in a steep position, and steering can not be carried out or can only be carried out incompletely, while in the flat position the contacts with the current conductors are made more difficult or are interrupted.

Aus der DE-C-89 367 ist eine Stromabnehmerbürste bekannt, welche zur Erhöhung der Elastizität einzelne in Querrichtung gekräuselte Drähte aufweist. Die Drähte sind in einer Hülle aus Gaze eingeschlossen, welche den Größtteil der Drahtabschnitte bedeckt.From DE-C-89 367 a pantograph brush is known which has individual wires crimped in the transverse direction to increase the elasticity. The wires are encased in a gauze sheath that covers most of the wire sections.

Es ist Aufgabe der Erfindung, die Fahrbahnkontakte des Fahrspielzeugs und die Kontaktierungen der Schleifkontakte mit den Stromleitern sicher zu machen und gleichzeitig den konstruktiven Aufwand sowie Montageaufwand während der Fertigung zu verringern.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 safe and at the same time to reduce the construction effort and assembly effort during production.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß als Schleifkontakt eine Anzahl mittels einer Hülse über eine Teillänge gefaßte gewellte Drahtabschnitte aus elektrisch leitendem und federnd elastischem Werkstoff dient und daß die die Drahtabschnitte fassende Hülse aus einem Werkstoff hoher elektrischer Leitfähigkeit gebildet ist.According to the invention, this object is achieved in that a number of corrugated wire sections made of electrically conductive and resiliently elastic material, which are gripped by means of a sleeve over a partial length, are used as the sliding contact, and in that the sleeve comprising the wire sections is formed from a material of high electrical conductivity.

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. Die Erfindung begründet, ein verbessertes Fahrverhalten der Fahrspielzeuge, insbesondere in Kurven, bei wirksamer Kontaktierung der Schleifkontakte der Fahrspielzeuge mit den zugehörigen Stromleitern. Störungen aufgrund eines Heraushebelns des vorderen Bereiches eines Fahrspielzeugs durch die Schleifkontakte werden wirksam vermieden. Die Verwendung einer aus einem Werkstoff mit hoher elektrischer Leitfähigkeit bestehenden Hülse zur Fassung der Drahtabschnitte ermöglicht eine einfache beispielsweise durch Klemmung erfolgende Befestigung derselben am Fahrspielzeug, wobei die Klemmkörper gleichzeitig als Kontakte dienen können. Das erfindungsgemäße Fahrspielzeug läßt sich daher besonders einfach montieren und dementsprechend kostengünstig herstellen. Gleichzeitg wird eine sichere Kontaktierung der einzelnen Drahtabschnitte mit dem zum Motor geführten elektrischen Leiter gewährleistet.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. The invention is based on an improved driving behavior of the driving toys, especially in curves, with effective contacting of the sliding contacts of the driving toys with the associated current conductors. Faults due to the front area of a toy being levered out by the sliding contacts are effectively avoided. The use of a sleeve made of a material with high electrical conductivity for mounting the wire sections enables simple attachment of the same to the driving toy, for example by clamping, wherein the clamping bodies can simultaneously serve as contacts. The driving toy according to the invention is therefore particularly easy to assemble and, accordingly, inexpensive produce. At the same time, reliable contacting of the individual wire sections with the electrical conductor leading to the motor is ensured.

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.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 roadway even when tapped off, while at the same time ensuring reliable electrical contact with the current conductors.

In Ausgestaltung des erfindungsgemäßen 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 werden kann. Dabei kann die Größe der Wellung von der freien Länge der Drahtabschnitte abhängig sein.In an embodiment of the toy vehicle according to the invention 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.

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:
Fig. 1
a section of a driving toy with sliding contacts from below, in perspective,
Fig. 2
a portion of a driving toy with sliding contacts from above, in perspective,
Fig. 3
a sliding contact in plan view, enlarged,
Fig. 4
a sliding contact in side view, enlarged,
Fig. 5
a section along the line VV of Fig. 3 and
Fig. 6
a section 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 tragt 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 underside 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. Hold 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 (5)

  1. A toy vehicle with an electric driving motor and, disposed on the chassis of the vehicle, wiping contacts which are connected to the driving motor and which contact power conductors laid in the toy track, characterised in that a number of portions (12) of undulating wire consisting of electrically conductive and springingly resilient material gripped by a sleeve (10) over a portion of their length serve as the wiping contact (7) and in that the sleeve (10) holding the wire portions (12) consists of a material of high electrical conductivity.
  2. A toy vehicle according to Claim 1, characterised in that the wire portions (12) are filiform and consist of phosphor-bronze.
  3. A toy vehicle according to Claim 1 or 2, characterised in that with a free length of the wire portion (12) of about 10 mm the radius of the undulation in the wire portion amounts to substantially 1 mm.
  4. A toy vehicle according to Claim 1, characterised in that the wiper contacts (7) have their sleeves (10) supportable on sloping surfaces (5) disposed in recesses (4) in the chassis (1) and are separably but rigidly held on the chassis (1) by clamping members (6) fixed to the chassis (1).
  5. A toy vehicle according to Claim 4, characterised in that the clamping members (6) are formed by shaped sheet metal parts and can be fixed by engaging behind shaped portions rigid with 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
DE3800568A DE3800568A1 (en) 1988-01-12 1988-01-12 VEHICLE WITH AN ELECTRIC DRIVE MOTOR
DE3800568 1988-01-12

Publications (3)

Publication Number Publication Date
EP0324138A2 EP0324138A2 (en) 1989-07-19
EP0324138A3 EP0324138A3 (en) 1989-12-13
EP0324138B1 true 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703534A (en) * 1949-01-10 1955-03-08 Lynn L Copeland Toy vehicle

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382387A (en) * 1968-05-07 Gen Electric Electrical current collection and delivery method and apparatus
DE89367C (en) *
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
US4415635A (en) * 1980-04-09 1983-11-15 The University Of Virginia Electric brush
DE3602349C2 (en) * 1986-01-27 1996-03-21 Kurt Hesse Driving toys with their own motor drive
DE3700226A1 (en) * 1987-01-07 1988-07-21 Kurt Hesse TOY VEHICLE WITH AN ELECTRIC DRIVE MOTOR

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703534A (en) * 1949-01-10 1955-03-08 Lynn L Copeland Toy vehicle

Also Published As

Publication number Publication date
EP0324138A2 (en) 1989-07-19
US4909770A (en) 1990-03-20
EP0324138A3 (en) 1989-12-13
DE3870846D1 (en) 1992-06-11
DE3800568C2 (en) 1993-06-09
ES2031578T3 (en) 1992-12-16
DE3800568A1 (en) 1989-07-20
GR3004733T3 (en) 1993-04-28
ATE75627T1 (en) 1992-05-15

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