EP0098851B1 - Spielfahrzeug mit elektrischem motor - Google Patents

Spielfahrzeug mit elektrischem motor Download PDF

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Publication number
EP0098851B1
EP0098851B1 EP83900349A EP83900349A EP0098851B1 EP 0098851 B1 EP0098851 B1 EP 0098851B1 EP 83900349 A EP83900349 A EP 83900349A EP 83900349 A EP83900349 A EP 83900349A EP 0098851 B1 EP0098851 B1 EP 0098851B1
Authority
EP
European Patent Office
Prior art keywords
wheel
toy vehicle
driving wheels
electric motor
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
Application number
EP83900349A
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English (en)
French (fr)
Other versions
EP0098851A1 (de
Inventor
Camille Diebold
Frédéric Rubach
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.)
JOUSTRA SA
Original Assignee
JOUSTRA SA
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
Priority claimed from FR8200863A external-priority patent/FR2519870A1/fr
Priority claimed from FR8300369A external-priority patent/FR2539046A2/fr
Application filed by JOUSTRA SA filed Critical JOUSTRA SA
Priority to AT83900349T priority Critical patent/ATE15768T1/de
Publication of EP0098851A1 publication Critical patent/EP0098851A1/de
Application granted granted Critical
Publication of EP0098851B1 publication Critical patent/EP0098851B1/de
Expired legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H29/00—Drive mechanisms for toys in general
    • A63H29/20—Flywheel driving mechanisms

Definitions

  • the present invention relates to a toy vehicle comprising an electric motor, drive wheels and a drive mechanism for these drive wheels.
  • the present invention proposes to produce a toy vehicle which combines two of the designs set out by bringing together, on the same car, an electric drive and an inertia drive.
  • the toy vehicle comprising an electric motor, drive wheels and a drive mechanism for these drive wheels according to the invention, is characterized in that it also comprises an inertial mass coupled to the electric motor, and in that the drive wheel drive mechanism comprises means for uncoupling said drive wheels from said drive mechanism.
  • the drive wheels are mounted at the ends of a rigid axis
  • the means for uncoupling said drive wheels from said drive mechanism comprise guide members allowing, at said rigid axis, to occupy a first position in which the drive wheels are coupled to the drive mechanism, and a second position in which the drive wheels are uncoupled from said drive mechanism.
  • the guide members comprise at least one oblong slot, the width of which corresponds substantially to the diameter of the rigid axis, the ends of the slot constituting stop stops which define said first and second positions of said axis.
  • this vehicle comprises spring members, which urge said rigid axis in the first position, that is to say that in which the drive wheels are coupled with their drive mechanism.
  • It also comprises electrical contact members arranged to close the supply circuit of the electric motor, when the rigid axis is in said second position.
  • the supply circuit of the electric motor closes, launches the inertial mass which accumulates a certain kinetic energy, up to when the vehicle is released and when the spring members urge the rigid axis in its first position, which causes the coupling of the drive wheels and the drive mechanism having accumulated sufficient kinetic energy to propel the vehicle.
  • the electric motor, the drive mechanism and the drive wheels carried by a rigid axis are preferably mounted in a support housing integral with the vehicle body, and comprising two parallel flat walls provided with two oblong slots traversed by said rigid axis.
  • the spring members, which urge this axis in its first position comprise a moving part articulated to said housing and urged by a spring, such that this moving part pushes the axis back into its first position.
  • the vehicle according to the invention also comprises blocking means arranged to maintain said rigid axis in its first position.
  • blocking means arranged to maintain said rigid axis in its first position.
  • the inertial mass is mounted on the motor shaft.
  • the engine drives the inertial mass.
  • this mass coupled to the axis of the drive wheels drives the latter as well as the electric motor whose electricity supply is interrupted. In this way, part of the stored kinetic energy is used in pure loss to run the engine when empty.
  • the toy vehicle is characterized in that said means for uncoupling the drive wheels comprise a pivoting part carrying at least one coupling wheel arranged to couple a solid wheel of the output shaft of the electric motor and a wheel secured to the axis of the inertial mass when the pivoting part is in a first position, and to couple a wheel secured to the axis of the drive wheels, and the wheel secured to the axis of the inertial mass when the pivoting part is in a second position.
  • the coupling wheel consists of two joined wheels, of different diameters, one of which ensures the coupling of the wheel secured to the drive shaft to the wheel that is secured to the inertial mass, and the other of which ensures the coupling of the wheel secured to the axis of the drive wheels to the wheel secured to the inertial mass, these two wheels being alternately engaged and disengaged when the pivoting part is in its first or second position.
  • the inertial mass is no longer, here, integral with the shaft of the electric motor and the coupling wheel can, depending on the position of the pivoting part, engage or disengage the motor and disengage or engage the drive wheels. In this way, the mo The electric motor is never driven empty and the energy stored by the inertial mass is fully, to the nearest loss, returned to the drive wheels.
  • At least the coupling wheel is a friction wheel coated with a material with a high coefficient of friction.
  • the wheels carried respectively by the axis of the inertial mass and the drive shaft, as well as the coupling wheel are toothed wheels.
  • the pivoting part comprises a spout arranged to touch a contact blade when it is brought into its first position, this contact blade being connected to one of the poles of the source d energy of the electric motor, so that the closing of the contact between said spout and said contact blade ensures the supply of energy to the electric motor.
  • the pivoting part is manipulated by means of a control lever connected to this part, this lever being moreover equipped with a return spring, so that the pivoting part is biased in its second, corresponding position when the inertial mass is coupled to the drive wheels.
  • the drive module comprises a box inside which are mounted: the electric motor, the inertial mass and the drive wheel drive mechanism and which carries the axis of the drive wheels, this module being arranged to be mounted on a chassis carrying the power source of the electric motor as well as the vehicle body.
  • the vehicle described comprises a body 10, the rear part of which is shown very diagrammatically in FIG. 2, two drive wheels 11 mounted at the ends of a rigid shaft 12, an electric motor 13 which drives the drive wheels 11 via a drive mechanism which will be described in more detail above.
  • This drive pinion 16 is indirectly coupled to the toothed wheel 17, by the by means of a reduction mechanism composed for example by two toothed wheels 18 and 19.
  • the toothed wheel 17 is integral with the drive axis 12 of the drive wheels 11. All these elements are mounted on the side walls of a housing 20, itself ⁇ connected, by means known per se, to the chassis or body of the vehicle.
  • the side walls of the housing 20 each have an oblong slot 21, the axis of which preferably forms an angle of thirty to forty-five degrees relative to the vertical. These slots 21 are crossed by the axis 12 which can, therefore, adopt a first position shown in solid lines in FIG. 2, and a second position 12 'shown in broken lines.
  • the axle 12 When the axle 12 is in its first position, the toothed wheel 17 meshes with the toothed wheel 19 secured to the wheel 18, itself engaged with the pinion 16 mounted on the drive shaft 15 of the electric motor 13. In this position, the drive wheels are coupled to the electric motor via their drive mechanism.
  • the toothed wheel 17, integral with this axis is offset upwards and occupies a position designated by the reference 17', in which it n 'more meshes the toothed wheel 19.
  • the drive wheels 11 are uncoupled from their drive mechanism.
  • the device described above and illustrated in particular in FIG. 1 comprises an electrical contact member 22 consisting essentially of two contact blades 23 and 24 separated by an insulating stud 25 (see fig. 3), the lower blade of which is supported on an insulating cylindrical counterweight 26 mounted coaxially on the axis 12.
  • This high position 12 ′ of the drive axis is obtained when the child presses on the body, the vehicle being placed on a rigid surface.
  • the down position which is the rest position, is maintained in the absence of other constraints thanks to a movable part 29, articulated on a pivot 30 and urged by a spring 31 fixed on the one hand to a pin 32 integral with the part 29, and on the other hand to a pin 33 secured to the housing 20.
  • the part 29 is preferably a U-shaped folded part, the two lateral branches of which each have a segment 34 bearing on the drive axis 12.
  • a cam 35 mounted on a pivoting pin 36, makes it possible to block the part 29 in its rest position, that is to say to keep the drive shaft 12 in its low position.
  • the child presses on the body 10 of the vehicle at its rear drive wheels 11. This has the effect of moving the drive shaft 12 from its low position to its position high 12 ', to join the contact blades 23 and 24, to close the supply circuit of the electric motor 13 which starts to drive the inertial mass 14.
  • This mass accumulates a certain kinetic energy, which can be transmitted to the mechanism when the child releases his pressure on the body 10, which has the effect of returning the drive shaft to its initial position under the effect of the traction spring 31.
  • the second phase consists in restoring this kinetic energy and in transmitting it brutally to the driving wheels thanks to an automatic coupling of these drive wheels with their drive mechanism, thus providing the vehicle with spectacular acceleration.
  • the vehicle can be conventionally used as a vehicle with an inertia launcher.
  • the rotation of the inertial mass 14 is then done by means of the drive wheels 11 coupled to the drive mechanism, and no longer via the electric motor 13.
  • This mechanism adapts as well to a passenger car as to a truck, an airplane equipped with wheels, a motorcycle, a prototype racing car, etc.
  • the vehicle just needs to have a chassis with wheels.
  • the drive module 110 comprises a housing 111 composed of four sides of a rectangular parallelepiped, and mounted in a suitable cavity formed in the chassis 112 of the vehicle.
  • This housing carries the axis 113 of the inertial mass 114 as well as a toothed wheel 115, preferably produced in one piece, by molding, with the inertial mass 114. It also carries the electric motor 116 whose shaft outlet 117 carries a gear 118 rigidly mounted on this shaft.
  • the body of the motor 116 is provided with a protrusion 119 engaged in a suitable cutout on one of the sides of the housing 111, which makes it possible to support and maintain in position one side of the motor 116 - toothed wheel 118 assembly.
  • the other side of this assembly is carried by a bearing 120 housed in a suitable recess in another side wall of the housing 111.
  • the axis 121 of the drive wheels 122 and 123 passes through the housing 111 right through and is supported by two opposite side walls of the latter. This axis carries a toothed wheel 124 rigidly connected to this axis.
  • the means for uncoupling the driving wheels 122 and 123 of the vehicle comprise the coupling wheel composed, in the example illustrated, of two toothed wheels 125 and 126 joined together, whose axis 127 is mounted at one of the ends of the part pivoting 128, perpendicular to its plane.
  • the axis 127 passes through an oblong slot made in the corresponding side wall of the housing 111.
  • the pivoting part 128 rocks on the end 129 of the axis 113 of the inertial mass 114.
  • a control lever 130 movable along an axis perpendicular to the plane of the drawing is connected to a tubular end piece 131 containing a compression spring (not shown), which tends to push the lever 130 upwards (position illustrated by Iafig. 5).
  • the chassis 112 carries the power source of the motor 116, constituted for example by two dry cells 132 and 133 connected in series.
  • the positive terminal 134 of the source is connected to one of the poles of the motor 116 by means of a wire 135.
  • the negative terminal 136 of the source is connected to a conductive blade 137 carried by the frame 112.
  • the pivoting part 128 comprises a spout 138 intended to contact the blade 137, the corresponding end of which is slightly bent upwards and is retained by a flange 139 secured to the chassis and disposed over the stacks 132 and 133.
  • the pivoting part 128 comprises a bulge 140 produced for example by stamping, on which the axis 127 of the coupling wheel is mounted and a stud 141 connected to the tubular end piece 131, connected to the control lever 130.
  • the pivoting part 128 rocks around the end 129 of the axis 113 of the inertial mass 114. To this end, it carries a bearing 142 serving as a support for said axis end.
  • control lever 130 At rest, the control lever 130 is pushed upward under the effect of the thrust of the spring housed in the tubular end piece 131.
  • the pivoting part 128 is in its high position shown in FIG. 5.
  • the spout 138 is not in abutment against the contact blade 137.
  • the toothed wheels are in their position illustrated in FIG. 6.
  • the wheel 124 meshes the wheel 126 and the wheel 125 in leads to the toothed pinion 115 secured to the inertial mass 114.
  • the electric motor is not supplied and the toothed wheel 118 is not coupled to the other toothed wheels.
  • the control lever 130 When the user wants to launch the vehicle, he presses the control lever 130. This has the effect of tilting the pivoting part 128 so that the contact between the spout 138 and the conductive blade 137 closes.
  • the motor is then powered by the source of electrical energy. Simultaneously, the coupling wheel rocks, which has the effect of uncoupling the wheels 124 and 126 and meshing the wheels 125 and 118.
  • the motor drives the pinion 118, the wheels 125 and 126 and the pinion 115.
  • the mass to inertia is launched by the motor and stores a certain kinetic energy.
  • the chain kinematics includes the pinion 115, the wheel 125, the integral wheels 126 and 125 and the wheel 124. That is to say that the energy stored by the inertial mass is transmitted to the drive wheels.
  • the present invention may have different variants obvious to those skilled in the art.
  • the toothed wheels and in particular the toothed coupling wheel could be replaced by a friction wheel.

Landscapes

  • Toys (AREA)

Claims (14)

1. Spielfahrzeug mit einem Elektromotor (13, 116), Treibrädern (11, 122, 123) und einem Antriebsmechanismus der Treibräder, dadurch gekennzeichnet, dass es ebenfalls ein Schwungrad (14,114) aufweist, das mit dem Elektromotor (13, 116) gekuppelt ist, und dass der Antriebsmechanismus der Treibräder (11, 122, 123) Mittel zur Entkupplung der Treibräder von diesem Antriebsmechanismus enthält.
2. Spielfahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Treibräder (11) an beiden Enden einer Starrachse (12) angeordnet sind, und dass die Mittel zur Entkupplung der Treibräder vom Antriebsmechanismus Führungsmittel (21) aufweisen, die erlauben, dass die Starrachse (12) eine erste Stellung, in welcher die Treibräder dem Antriebsmechanismus angekuppelt sind, und eine zweite Stellung, in welcher die Treibräder von dem Antriebsmechanismus entkuppelt sind, einnehmen kann.
3. Spielfahrzeug nach Anspruch 2, dadurch gekennzeichnet, dass die erwähnten Führungsmittel mindestens einen länglichen Föhrungsschlitz aufweisen, dessen Breite im wesentlichen dem Durchmesser der Starrachse (12) entspricht, wobei beide Enden des Führungsschlitzes Anschläge bilden, die die erste und die zweite Stellung der Starrachse bestimmen.
4. Spielfahrzeug nach Anspruch 2, dadurch gekennzeichnet, dass Federmittel (31) zur Beanspruchung der Starrachse in Richtung auf deren erste Stellung angeordnet sind.
5. Spielfahrzeug nach Anspruch 2, dadurch gekennzeichnet, dass elektrische Kontaktmittel (22) angeordnet sind, wodurch der Zuleitungsstromkreis des Elektromotors (13) solange geschlossen ist, wie die Starrachse (12) in der zweiten Stellung (12') liegt.
6. Spielfahrzeug nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der Elektromotor (13), der Antriebsmechanismus und die durch die Starrachse (12) getragenen Treibräder (11) in einem am Fahrzeugaufbau (10) angebrachten Traggehäuse (20) angeordnet sind, wobei dieses Traggehäuse zwei ebene parallele Seitenwände aufweist, die mit zwei länglichen, von der Starrachse durchquerten Führungsschlitzen (21 ) versehen sind, und dass die Federmittel (31), die die Starrachse in Richtung auf deren erste Stellung beanspruchen, mit einem bewegbaren Teil (29) verbunden sind, welches im Traggehäuse drehbar gelagert ist und durch eine Zugfeder beansprucht wird, sodass dieser bewegbare Teil die Starrachse in deren erste Stellung treibt.
7. Spielfahrzeug nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass es mit Sperrmitteln (35) zum Festhalten der Starrachse (12) in deren erster Stellung versehen ist.
8. Spielfahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zur Entkupplung der Treibräder (122, 123) ein schwenkbares Teil (128) aufweisen, das mindestens ein Kupplungsrad zur Kupplung eines der Antriebswelle des Elektromotors (116) angeschlossenen Rads (118) mit einem der Achse des Schwungrads (114) angeschlossenen Rad (115) bei einer ersten Stellung des schwenkbaren Teiles (128), und zur Kupplung eines der Starrachse (121) der Treibräder (122 und 123) angeschlossenen Rads (124) mit dem derAchse des Schwungrads (114) angeschlossenen Rad (115) bei einer zweiten Stellung des schwenkbaren Teiles (128) trägt.
9. Spielfahrzeug nach Anspruch 8, dadurch gekennzeichnet, dass dieses Kupplungsrad aus zwei aneinandergesetzten, verschiedene Durchmesser aufweisenden Rädern (125 und 126) besteht, von denen das eine (125) zur Kupplung des der Antriebswelle angeschlossenen Rads (118) mit dem dem Schwungrad (114) angeschlossenen Rad (115) vorgesehen ist, und das andere (126) zur Kupplung des der Starrachse (121) der Treibräder (122 und 123) angeschlossenen Rads (124) mit dem dem Schwungrad (114) angeschlossenen Rad (115) vorgesehen ist, wobei diese beiden Räder (125 und 126) wechselweise angekuppelt und entkuppelt werden, je nachdem ob das schwenkbare Teil (128) in der ersten oder in der zweiten Stellung liegt.
10. Spielfahrzeug nach Anspruch 9, dadurch gekennzeichnet, dass dieses Kupplungsrad aus einem Friktionsrad besteht, das eine Umhüllung mit hoher Reibungszahl aufweist.
11. Spielfahrzeug nach Anspruch 9, dadurch gekennzeichnet, dass die erwähnten Räder (118, 115, 124, 125, 126) aus Zahnrädern bestehen.
12. Spielfahrzeug nach Anspruch 8, dadurch gekennzeichnet, dass das schwenkbare Teil (128) mit einem Schnabel (138) versehen ist, um bei dessen erster Stellung eine Kontaktplatte (137) zu berühren, wobei diese Kontaktplatte in Verbindung mit einem Pol der Motorstromquelle (132, 133) steht, sodass die Stromzufuhr zum Elektromotor durch Schliessen des Kontaktes zwischen dem Schnabel (138) und der Kontaktplatte (137) erzeugt wird.
13. Spielfahrzeug nach Anspruch 8, dadurch gekennzeichnet, dass die Mittel zur Entkupplung der Treibräder einen dem schwenkbaren Teil (128) verbundenen Schalthebel (130) umfassen, der mit einer Rückstellfeder derart versehen ist, dass der schwenkbare Teil in Richtung auf seine zweite Stellung beansprucht wird.
14. Spielfahrzeug nach Anspruch 8, dadurch gekennzeichnet, dass es eine Antriebseinheit mit einem Gehäuse aufweist, wobei der Elektromotor, das Schwungrad und der Antriebsmechanismus der Treibräder im Gehäuse angeordnet sind, welches ebenfalls die Starrachse der Treibräder trägt, und wobei diese Antriebseinheit auf ein Fahrgestell aufsetzbar ist, welches die Motorstromquelle sowie den Fahrzeugaufbau trägt.
EP83900349A 1982-01-19 1983-01-18 Spielfahrzeug mit elektrischem motor Expired EP0098851B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83900349T ATE15768T1 (de) 1982-01-19 1983-01-18 Spielfahrzeug mit elektrischem motor.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8200863A FR2519870A1 (fr) 1982-01-19 1982-01-19 Vehicule jouet a moteur electrique
FR8200863 1982-01-19
FR8300369A FR2539046A2 (fr) 1983-01-10 1983-01-10 Vehicule jouet a moteur electrique
FR8300369 1983-01-10

Publications (2)

Publication Number Publication Date
EP0098851A1 EP0098851A1 (de) 1984-01-25
EP0098851B1 true EP0098851B1 (de) 1985-09-25

Family

ID=26222714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83900349A Expired EP0098851B1 (de) 1982-01-19 1983-01-18 Spielfahrzeug mit elektrischem motor

Country Status (5)

Country Link
US (1) US4595381A (de)
EP (1) EP0098851B1 (de)
DE (1) DE3360851D1 (de)
IT (1) IT1163045B (de)
WO (1) WO1983002400A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8326648D0 (en) * 1983-10-05 1983-11-09 Kin Yat Ind Co Ltd Toy vehicle
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB708469A (en) * 1952-02-01 1954-05-05 George Montague Mejlso Improvements in or relating to mechanical toys propelled by inertia-wheel motors
US3634969A (en) * 1971-03-19 1972-01-18 Mattel Inc Dune buggy toy
US3735525A (en) * 1971-12-06 1973-05-29 M Freed Motor-actuated toys
GB1427941A (en) * 1973-01-11 1976-03-10 Airfix Prod Toy
JPS5220147A (en) * 1975-08-01 1977-02-15 Matsushiro:Kk Traveling toy
JPS6013516Y2 (ja) * 1977-10-14 1985-04-30 バンダイ工業株式会社 玩具駆動装置におけるギヤ切換機構

Also Published As

Publication number Publication date
IT1163045B (it) 1987-04-08
WO1983002400A1 (en) 1983-07-21
DE3360851D1 (en) 1985-10-31
US4595381A (en) 1986-06-17
EP0098851A1 (de) 1984-01-25
IT8319175A0 (it) 1983-01-19

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