EP0496031B1 - Spielfahrzeug mit Raupenantrieb - Google Patents

Spielfahrzeug mit Raupenantrieb Download PDF

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Publication number
EP0496031B1
EP0496031B1 EP19910113297 EP91113297A EP0496031B1 EP 0496031 B1 EP0496031 B1 EP 0496031B1 EP 19910113297 EP19910113297 EP 19910113297 EP 91113297 A EP91113297 A EP 91113297A EP 0496031 B1 EP0496031 B1 EP 0496031B1
Authority
EP
European Patent Office
Prior art keywords
wheels
vehicle body
gear
tooth
motor
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
EP19910113297
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English (en)
French (fr)
Other versions
EP0496031A1 (de
Inventor
Shohei Taiyo Kogyo Co. Ltd. Suto
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Taiyo Kogyo Co Ltd
Original Assignee
Taiyo Kogyo Co Ltd
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Filing date
Publication date
Application filed by Taiyo Kogyo Co Ltd filed Critical Taiyo Kogyo Co Ltd
Publication of EP0496031A1 publication Critical patent/EP0496031A1/de
Application granted granted Critical
Publication of EP0496031B1 publication Critical patent/EP0496031B1/de
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
    • A63H30/00—Remote-control arrangements specially adapted for toys, e.g. for toy vehicles
    • A63H30/02—Electrical arrangements
    • A63H30/04—Electrical arrangements using wireless transmission
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
    • A63H17/14—Endless-track automobiles or trucks
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
    • A63H17/26—Details; Accessories
    • A63H17/36—Steering-mechanisms for toy vehicles

Definitions

  • the inventions relates to a endless track-type vehicle toy, comprising:
  • remote-controlled toys of vehicles such as cars and the like are controlled by instructions to connect or disconnect a driving motor.
  • the products are roughly divided into two types, namely, four wheel drive cars (4WD) in which four wheels are driven, and vehicle toys such as tanks and the like which are provided with caterpillars (trade mark) or the like.
  • 4WD four wheel drive cars
  • vehicle toys such as tanks and the like which are provided with caterpillars (trade mark) or the like.
  • caterpillars trademark
  • none of the conventional four wheel drive car toys and other vehicle toys such as tanks with caterpillars have a simple structure and can run on off road without stacking or getting stuck.
  • the caterpillar-type vehicle toy of the invention is characterized by
  • Left und right wheels are provided in both front and rear portions of a vehicle body, left and right caterpillars respectively placed over the front and rear wheels, and driving means for separately driving the front or rear wheels on the left and right sides.
  • Right and left front wheels are mounted on opposite sides of the vehicle body front portion, right and left rear wheels mounted on opposite sides of the vehicle body rear portion, right and left caterpillars engaged over the front and rear wheels respectively on the right and left sides, and means for separately driving each of the caterpillars independently of the other.
  • Driving means comprises a first motor drivingly connected to one of the right wheels, and a second motor independently drivingly connected to one of the left wheels.
  • a vehicle toy comprising a body having a front and a rear and right and left sides, a driving section at the rear of the vehicle body and containing two separate motors drivingly connected via separate reduction transmissions to a right side drive shaft and a left side drive shaft, respectively.
  • Right and left rear gear wheels are mounted respectively on the right and left side drive shafts to be separately driven thereby.
  • Right and left front gear wheels are rotatably mounted at the front of the vehicle body, and right and left caterpillar tracks are respectively engaged over the right front and rear gear wheels and the left front anbd rear gear wheels.
  • the caterpillar tracks have internal teeth-like projections enggaing with peripheral teeth of the gear wheels, the rear gear wheels being larger in diameter than the front gear wheels.
  • the vehicle body preferably has a pointed front end and increases in width from this pointed front end towards the rear of the vehicle body. Forward portions of the caterpillar tracks engaged over forward portions of the front wheels are disposed forward of th front end to enable the vehicle toy to climb over obstacles in its path.
  • the front end is pointed in both plan view and elevational view, and the vehicle body increases in height from the front end to the rear.
  • the vehicle body may have, at the rear, horizontal and vertical wings which in motion react with the air flow to help stabilize the vehicle toy, particularly when travelling fast over an off road path.
  • each of the peripheral teeth of the gear wheels comprises two tooth sections spaced apart laterally with a groove therebetween.
  • Each of the teeth-like projections of the caterpillar tracks may comprise two laterally spaced-apart tooth portions with higher tooth projections therebetween with each higher tooth projection engaging in the groove of the respective gear wheel as the tooth portions each side of the higher tooth projection engage with tooth sections of the respective gear wheel.
  • Reduction transmissions contain shiftable gears for providing at least two gear rations, a high and a low gear ratio, for each reduction transmission, and a common gear shift lever is operatively connected to both the reduction transmissions for simultaneously shifting gears in both reduction transmissions to simultaneously change both reduction transmissions between the two gear ratios.
  • a radio control system has a receiver unit mounted in the vehicle body and a separate transmitter unit for sending signals to the receiver unit from a remote location, the receiver unit including two motor driving circuits connected respectively to the first and second motors and the receiver unit producing from the sent signals two separate control signals one for each of the motor driving circuits fro separately controlling the motors.
  • the vehicle body comprises an upper shaped body mounted on a box-like chassis, the wings extending from this upper body, the driving section being located at the rear of this box-like chassis, and the receiver unit being mounted on top of the box-like chassis but covered by the upper body.
  • the inter-relationship between the pointed front end of the vehicle body, the front wheels being small in diameter than the rear wheels, and the independently driven caterpillar tracks aids the vehicle toy in its ability to climb over and handle obstacles in its path and also contributes to its ability to run at high speeds.
  • a preferred caterpillar-type vehicle toy comprises a body 11 which forms the upper portion of the vehicle body, a chassis 12 which forms the lower portion of the vehicle body, left and right front wheels 13a and 13b provided on the front end of the chassis, and left and right rear wheels 14a and 14b provided on the rear end of the chassis.
  • Left and right caterpillars 15a and 15b are respectively placed over the front and rear wheels on the left and right sides.
  • a driving section 16 is provided at the rear end for separately driving the left and right rear wheels 14a, 14b.
  • the body 11 and the chassis 12 are made of, for example, a plastic material or the like.
  • the body 11 is formed into the shape of a vehicle model which has a sharp, somewhat pointed front end and a width gradually increasing toward the rear end which is provided with horizontal and vertical wings or fins.
  • the chassis 12 is formed into a substantially box-like shape which forms the lower frame of the vehicle body.
  • a receiving substrate 17, provided with an integrated circuit such as a receiving circuit or the like, as described below, is mounted on the upper side of the chassis 12, and the driving section 16 provided in the rear end of the chassis 12 has reduction mechanisms or the like.
  • Each of the front wheels 13a, 13b and rear wheels 14a, 14b is made of a plastic material or the like, and each has formed around its periphery two widthwise spaced-apart rows of gear teeth 20, 20; the widthwise spacing apart by a predetermined distance of the two rows or rings of gear teeth can be seen in Fig. 4.
  • the front wheels 13a, 13b each have a diameter smaller than that of the rear wheels 14a, 14b as clearly illustrated in Figs. 1 and 2.
  • the two front wheels 13a, 13b are rotatably mounted on opposite ends of a front shaft 18 provided horizontally and transversely under the front portion of the chassis 12.
  • the rear wheels 14a, 14b are respectively mounted on outboard shaft ends of left and right rear shafts 19a, 19b which are provided so as to horizontally project from the sides of the rear portion of the chassis 12 which contains the driving section 16.
  • the front wheels 13a, 13b are mounted so that the front or forward-most portions thereof are spaced slightly ahead of the front end of the body 11 or the chassis 12.
  • Each of the left and right caterpillars 15a, 15b is made of a rubber material or the like and is in the form of an endless track having on the inside two laterally spaced-apart rows of projections 21, 21 which engage with the two rows of gear teeth 20, 20 formed on each of the wheels.
  • a central row of projections 22, slightly higher than the two rows of projections 21, 21, is formed between the two rows of projections 21, 21 so as to fit into the central groove or space provided between the laterally spaced-apart pairs of gear teeth 20, 20.
  • Rows of ground-engaging projections 23 are formed on the outside of each of the caterpillar tracks 15a, 15b; these outside projections 23 extend in the widthwise direction and are formed at the same pitch as those in the rows of inside projections 21, 21.
  • the rearly located driving section 16 contains separate left and right motors 24a and 24b which are separately controlled and transmit driving forces to the rear wheels 14a, 14b, respectively, through reduction mechanisms.
  • the two motors 24a, 24b are disposed in the rear portion of the chassis 12 with their output shafts extending horizontally towards each other, relatively long pinions 25a, 25b being respectively located on the inwardly extending ends of these output shafts (see Fig. 3).
  • the control terminals of the motors 24a, 24b are electrically respectively connected to predetermined positions on the receiving substrate 17 so that the driving of each of the motors is independently controlled, as described below.
  • Left and right intermediate gears 26a, 26b are respectively engaged with the pinions 25a, 25b.
  • Large and small gears 27a, 28a and 27b, 28b are integrally provided on both sides of the intermediate gears 26a and 26b, respectively.
  • the left and right intermediate gears 26a and 26b are horizontally slid by a gear shift lever 29 while being kept in engagement with the left and right pinions 25a, 25b, respectively.
  • Large and small gears 30a, 31a and 30b, 31b are provided on the left and right rear shafts 19a and 19b, respectively.
  • the left and right gears 27a and 27b engage in mesh with the gears 31a and 31b, respectively.
  • the left and right reduction mechanisms can be simultaneously switched to a low-speed side or a high-speed side by manually horizontally sliding the gear shift lever 29.
  • Fig. 5 is a block diagram showing a transmitter circuit of the embodiment of the present invention
  • Fig. 6 is a block diagram showing a receiver circuit of the same embodiment.
  • the transmitter and the receiver form a radio control system for the vehicle toy employing pulse position modulation and a bit detection method using a synchronous digital signal for a decoder or the like.
  • control signals output from left and right control sticks (not shown) operated by the transmitter are transmitted as electric waves, and received by the receiver in the vehicle toy so that the left and right motors 24a, 24b can be separately controlled.
  • the receiver circuit corresponds to the circuit located on the receiving substrate 17.
  • reference numerals 41A, 41B and 41C, 41D are switches which are respectively turned on and off in linkage with the left and right channel control sticks; a key input circuit 42 detects the on/off states of the switches 41A, 41B, 41C, 41D and is connected to a data register 44 to which a code generating circuit 43 is also connected.
  • the data register 44 outputs to a mixing circuit 46 which also receives input from a high frequency generating circuit 45.
  • the output from mixing circuit 46 is supplied to a transmitter antenna 47.
  • the left motor 24a is directed to rotate normally in a forward drive direction; while when the other switch 41B is turned on, the motor 24a is directed to rotate in reverse.
  • both switches 41A, 41B are turned off, the motor 24a is directed to stop. Both switches 41A, 41B are not simultaneously turned on. This switching procedure also applies to the right switches 41C, 41D which control the right motor 24b.
  • reference numeral 48 denotes a receiver antenna; reference numeral 49, a circuit for high-frequency amplification and detection; reference numeral 50, an amplifier circuit; reference numeral 51, a data comparator; reference numeral 52, a shift register; reference numeral 53, a data decoder; and reference numerals 54a and 54b, driving circuits for driving the left and right motors 24a and 24b, respectively.
  • reference numeral 49 a circuit for high-frequency amplification and detection
  • reference numeral 50 an amplifier circuit
  • reference numeral 51 a data comparator
  • reference numeral 52 a shift register
  • reference numeral 53 a data decoder
  • reference numerals 54a and 54b driving circuits for driving the left and right motors 24a and 24b, respectively.
  • the left and right switches 41A, 41B and 41C, 41D are respectively turned on and off by operating the control sticks provided on the transmitter side.
  • the key input circuit 42 detects the on/off state of a switch
  • the corresponding code is set in the data register 44 by the code generating circuit 43 in accordance with the on/off state detected.
  • the output from the data register is mixed with the carrier wave generated from the high frequency generator circuit 45 in the mixing circuit 46, and the output from the mixing circuit 46 is sent as an electric wave from the transmitter antenna 47.
  • the electric wave is received by the receiver antenna 48, modulated to a serial signal corresponding to the operation signal by the high frequency amplifying/detecting circuit 49 and the amplifier circuit 50 and then output to the shift register 52.
  • the serial signal is converted into a parallel signal in the shift register 52, compared with a predetermined frequency in the data comparator 51 and then output as a parallel signal to the data decoder 53.
  • the data decoder 53 produces an output corresponding to the operating state.
  • the output is sent to the left and right driving circuits 52a, 54b so that the left and right motors 24a, 24b are separately controlled to forwardly rotate, reversely rotate, or stop in correspondence with the operation of the transmitter control sticks.
  • the two side-by-side rows of teeth 20, 20 of the rear wheels 14a, 14b and the front wheels 13a, 13b engage with the internal projection rows 21, 21 of the caterpillars 15a, 15b, respectively, and the central projection portions 22 fit and engage in the central groove between the pairs of gear teeth 20, 20 so that the caterpillars 15a, 15b are prevented from separating from the wheels.
  • the vehicle toy is backwardly moved by reversing both of the left and right motors 24a, 24b by the same operation as that described above.
  • the direction of movement of the toy can be changed without using any steering mechanism.
  • the vehicle toy can be rotated by forwardly rotating one of the motors and reversing the other motor.
  • high-speed running and low-speed running can be switched by manually switching the reduction mechanisms using the gear shift lever 29.
  • the vehicle toy can be freely operated so that the left and right motors 24a, 24b on the receiver side are separately normally rotated, reversely rotated and stopped by the operation of the left and right control sticks on the transmitter side.
  • the left and right motors 24a, 24b are directly connected to the left and right rear wheels 14a, 14b, respectively, through the reduction mechanisms, and the left and right rear wheels 14a, 14b are connected to the front wheels 13a, 13b through the caterpillars 15a, 15b, respectively, so that the four wheels are driven. It is possible to obtain the same high-speed performance as that of a conventional four-wheel drive car by this simple structure.
  • the provision of the caterpillars 15a, 15b causes an increase in the ground contact area, as compared with a four wheel car, and prevents the vehicle toy from sinking in an off road location such as a sandy place, a grassy place or the like, thus resulting in an increase in the ability to run the whole distance of an off road track.
  • the left and right rear wheels 14a, 14b are respectively driven by the left and right motors 24a, 24b
  • the left and right front wheels 13a, 13b may be driven.
  • the rotational speed of normal rotation, reverse rotation and stop need not be constant, the rotational speed may be continuously or stepwisely changed.
  • the shapes of the body 11, the chassis 12, the wheels 13 and the caterpillars 15 are not limited to the shapes in the embodiment, they may be changed to any desired shapes.
  • the caterpillars are placed over the front and rear wheels provided on the left and right sides of the body of the vehicle toy so that the front and/or rear wheels are separately driven.
  • the present invention thus permits the attainment of the ability to run at a high speed equal to that of a four-wheel drive car and an increase in the ground contact area, due to the caterpillars, as well as having the effect of allowing the vehicle toy to run the whole distance of a bad road such as an off road or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Toys (AREA)

Claims (3)

  1. Ein Spielfahrzeug vom Raupenketten-Typ, umfassend:
    - ein Fahrzeuggehäuse (11), das eine rechte und linke Seite und einen vorderen und hinteren Teil hat;
    - rechtes und linkes Vorderrad (13a;13b), die jeweils an den sich gegenüberliegenden Seiten des vorderen Teiles des Fahrzeuggehäuses befestigt sind;
    - rechtes und linkes Hinterrad (14a;14b), die jeweils an den sich gegenüberliegenden Seiten des hinteren Teiles des Fahrzeuggehäuses befestigt sind;
    - rechte und linke Raupenkette (15a;15b), die, jeweils auf der rechten und linken Seite, über dem vorderen und hinteren Rad ineinandergreifen;
    - einen ersten Motor (24b), der mit dem hinteren rechten Rad verbunden ist und es antreibt;
    - einen zweiten Motor (24a), der mit dem hinteren linken Rad verbunden ist und es antreibt;
    - genannte Motoren (24a;24b), die jeweils eine der Raupenketten unabhängig voneinander antreiben;
    dadurch gekennzeichnet,
    - daß die rückseitigen Treibräder (14a;14b) im Durchmesser breiter sind als die vorderseitigen (13a;13b);
    - daß die Raupenketten Ketten mit innenliegenden zahnartigen Vorsprüngen (21) haben, die mit einer Außenverzahnung (20) auf den genannten Treibrädern (13a,b;14a,b) ineinandergreifen,
    - daß jede Außenverzahnung (20) der genannten Treibräder (13a,b;14a,b) aus zwei Zahnradabschnitten besteht, die seitlich durch eine Nut (20') getrennt sind;
    - daß jeder der zahnartigen Vorsprünge (21) der genannten Raupenkette aus zwei durch höhere Zahnvorsprünge (22) seitlich voneinander getrennten Zahnabschnitten (21,21) besteht, wobei die höheren Zahnvorsprünge (22) in die Nut (20') des jeweiligen Treibrades (13a,b;14a,b) hineingreifen, wenn genannte Zahnabschnitte (21,21) auf jeder Seite der höheren Zahnvorsprünge (22) mit den Zahnradabschnitten (20) des jeweiligen Treibrades (13a,b;14a,b) ineinandergreifen.
  2. Ein Spielfahrzeug gemäß Anspruch 1, gekennzeichnet durch
    - ein erstes Reduktionsgetriebe (26b, 27b) zwischen genanntem ersten Motor(24b) und einem der genannten rechten Räder;
    - ein zweites Reduktionsgetriebe (26a, 27a) zwischen genanntem zweitem Motor (24a) und einem der genannten linken Räder;
    - genanntes erstes und zweites Reduktionsgetriebe, die jeweils ein niedriges Übersetzungsverhältnis und ein hohes Übersetzungsverhältnis haben; und
    - einen gemeinsamen Schalthebel (29), der mit beiden genannten Reduktionsgetrieben verbunden ist und der beweglich ist, um gleichzeitig bei beiden genannten Reduktionsgetrieben zwischen dem niedrigen Übersetzungsverhältnis und dem hohen Übersetzungsverhältnis zu wechseln.
  3. Ein Spielfahrzeug gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß das vordere Ende des genannten Fahrzeugkörpers sowohl in der Grundrißansicht als auch in der Vorderansicht spitz zuläuft, und daß genannter Fahrzeugkörper in seiner Höhe von genanntem vorderen Ende zu genanntem hinteren Ende hin ansteigt.
EP19910113297 1991-01-22 1991-08-08 Spielfahrzeug mit Raupenantrieb Expired - Lifetime EP0496031B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5699/91U 1991-01-22
JP1991005699U JP2508947Y2 (ja) 1991-01-22 1991-01-22 キャタピラ式乗物玩具

Publications (2)

Publication Number Publication Date
EP0496031A1 EP0496031A1 (de) 1992-07-29
EP0496031B1 true EP0496031B1 (de) 1995-06-28

Family

ID=11618354

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910113297 Expired - Lifetime EP0496031B1 (de) 1991-01-22 1991-08-08 Spielfahrzeug mit Raupenantrieb

Country Status (4)

Country Link
EP (1) EP0496031B1 (de)
JP (1) JP2508947Y2 (de)
AU (1) AU642302B2 (de)
DE (2) DE69110855T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05317526A (ja) * 1992-05-14 1993-12-03 Taiyo Kogyo Kk 乗物玩具
DE69219115T2 (de) * 1992-06-15 1997-11-20 Sgs Thomson Microelectronics Fernsteuerung für Spielzeugautos
US5429543A (en) * 1992-07-31 1995-07-04 Tyco Investment Corp. Vehicle toy
WO2003092844A1 (fr) * 2002-05-01 2003-11-13 Sega Toys, Ltd. Jouet et ensemble de jouets a commande radio
CA2699922A1 (en) * 2009-04-15 2010-10-15 Red Blue Limited Foldable vehicles
GB2472786A (en) * 2009-08-17 2011-02-23 Alien Technology Ltd Steering arrangement for toy vehicle
JP2011245206A (ja) * 2010-05-31 2011-12-08 Tomy Co Ltd 走行玩具
CN110124329B (zh) * 2018-02-08 2021-03-09 智高实业股份有限公司 玩具轮及履带式传动装置
CN109455201B (zh) * 2018-12-29 2024-02-20 数源科技股份有限公司 一种基于rfid定位的环线管轨小型车辆的自动驾驶辅助制动系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB142960A (en) * 1919-03-03 1920-05-20 William Richard Osman Improvements in or relating to toy "tanks" and the like
US2244528A (en) * 1940-09-04 1941-06-03 Frederick P Schur Remotely controlled self-propelled toy
US2586239A (en) * 1947-09-02 1952-02-19 Ritchie A Mackenzie Remote-controlled toy bulldozer
US3849931A (en) * 1973-07-27 1974-11-26 J Gulley Direction seeking toy vehicle
GB2069655A (en) * 1980-02-06 1981-08-26 Curry T I A drive transmission
US4380135A (en) * 1981-08-10 1983-04-19 Marvin Glass & Associates Four wheel drive toy

Also Published As

Publication number Publication date
JP2508947Y2 (ja) 1996-08-28
JPH04103197U (ja) 1992-09-04
AU642302B2 (en) 1993-10-14
EP0496031A1 (de) 1992-07-29
DE9111296U1 (de) 1991-12-12
DE69110855T2 (de) 1996-03-21
DE69110855D1 (de) 1995-08-03
AU8478491A (en) 1992-07-30

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