EP0151664B1 - Spielzeugauto - Google Patents

Spielzeugauto Download PDF

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Publication number
EP0151664B1
EP0151664B1 EP84101549A EP84101549A EP0151664B1 EP 0151664 B1 EP0151664 B1 EP 0151664B1 EP 84101549 A EP84101549 A EP 84101549A EP 84101549 A EP84101549 A EP 84101549A EP 0151664 B1 EP0151664 B1 EP 0151664B1
Authority
EP
European Patent Office
Prior art keywords
wheels
toy car
main wheel
pair
car
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
EP84101549A
Other languages
English (en)
French (fr)
Other versions
EP0151664A1 (de
Inventor
Zenichi C/O Nikko Co. Ltd. Ishimoto
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.)
Nikko Co Ltd
Original Assignee
Nikko Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikko Co Ltd filed Critical Nikko Co Ltd
Priority to AT84101549T priority Critical patent/ATE37665T1/de
Priority to EP84101549A priority patent/EP0151664B1/de
Priority to DE8484101549T priority patent/DE3474414D1/de
Publication of EP0151664A1 publication Critical patent/EP0151664A1/de
Application granted granted Critical
Publication of EP0151664B1 publication Critical patent/EP0151664B1/de
Expired 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
    • A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
    • A63H17/26—Details; Accessories
    • A63H17/262—Chassis; Wheel mountings; Wheels; Axles; Suspensions; Fitting body portions to chassis

Definitions

  • This invention relates to a toy car according to the opening part of claim 1.
  • toy cars such as a spring-drive type, a battery-drive type, a wireless-control type and others, for winning popularity with younger children.
  • majority of such conventional toy cars may slip transversely upon sudden change of a running direction, and in a worse case may lose its weight balance to turn over.
  • an independent- suspension system has been utilized for maintaining the weight balance, which system results in a complicated structure and a high cost.
  • an improved design of the toy car comprising a pair of front wheels and a plurality of rear wheels mounted to a car body, in which said plurality of rear wheels comprise a main wheel arranged substantially at the centre of a car width and a pair of non-driven follower wheels arranged on either side of the main wheel, said pair of non-driven follower wheels each being rotatably mounted to one end of a supporting arm while the other end of the supporting arm being pivoted to an eccentric position in relation to an axle of the main wheel, may run on three wheels, namely the front wheels, the rear main wheel and either one of the follower wheels upon the sudden change of the running direction.
  • an object of the invention is to provide a toy car which is simple in construction and may readily change its running direction.
  • the object may be achieved, in accordance with the invention by designing the toy car comprising a pair of front wheels and a plurality of rear wheels mounted to a car body, in which said plurality of rear wheels comprise a main wheel arranged substantially at the center of a car width and a pair of follower wheels arranged on either sides of the main wheel, said pair of follower wheels each being pivoted to one end of a supporting arm while the other end of the supporting arm being pivoted to an eccentric position in relation to an axle of the main wheel.
  • a running balance may be further improved by putting a heavier fixed loading on the rear wheel side than on the front wheel side of the car body.
  • Figure 1 is a plan view of one embodiment of the toy car according to the invention. -
  • the toy car comprises a car body 10 formed of, for example, a plastic material as well as a pair of front wheels 12, 12 and a plurality of rear wheels consisted of a main wheel 14 arranged substantially at the center of a car width and a pair of follower wheels 16, 16 arranged on either side of the main wheel 14.
  • the car body 10 at its front part contains a direction-change means 18 which may be operated by an output signal from a wireless-controller (not shown) provided separately from the car body.
  • the direction-change means 18 may be connected through an optional power-transmission mechanism (not shown) to the front wheels 12, 12.
  • the car body 10 at its rear part, namely at a carrier 20 is provided with a driving motor 22 which is operated by another output signal from the wireless-controller.
  • a driving shaft of the motor 22 is connected through another power-transmission mechanism (not shown) to an axle 24 of the main wheel 14 for serving the main wheel 14 as a driving wheel.
  • the carrier 20 is provided, in addition to the driving motor 22, with a power battery (not shown) in order to put a heavier fixed loading on the rear wheel side than on the front wheel side.
  • Each of the pair of rear wheels 16, 16 is rotatably mounted to one end of a supporting arm 28, while the other end of the arm 28 is pivoted through a shaft 30 to an eccentric position in relation to an axle 24 of the main wheel 14.
  • a reference 32 represents a stopper for defining the upper limit when the supporting arm 28 rotates on the shaft 30.
  • the car body 10 In operation of the toy car, the car body 10 is placed on the floor or the ground and the wireless-controller is operated to start rotation of the driving motor 22. Thus, a rotational force of the motor 22 is transmitted through the power-transmission mechanism to the main wheel 14 thereby to drive the toy car straight at given speed.
  • both the follower wheels 16, 16 are contacted with the ground due to its own weight applied on the shaft 30 of the supporting arms 28, 28 and may rotate freely ( Figure 4).
  • the toy car may change the running direction for the front wheels 12, 12 through selective operation of the direction-change means 18 by use of the wireless-controller while straight running.
  • a sudden change of the running direction allows the car body 10 to incline due to a centrifugal force, as shown in Figure 5.
  • one of the follower wheels 16b may rotates upwardly on the shaft 30 of the supporting arm 30 to oppose the centrifugal force in cooperation with the main wheel 14 and the front wheels 12, 12 and thus to prevent loss of the weight balance and transverse slippage or turnover of the car body.
  • the other follower wheel 16a may be contacted with the ground, as in the straight running, due to its own weight applied on the shaft 30 of the supporting arm 28 and may rotate freely (Figure 5).
  • one of the front wheels 12, and one of the follower wheels 16b may be lifted off from the ground.
  • the remaining front wheel 12, the main wheel 14 and the follower wheel 16a may keep running on the three wheels and prevent the transverse slippage or turnover here again ( Figure 6).
  • the toy car according to the invention is simple in construction and may achieve not only the prevention of transverse slippage and turnover of the car body upon the sudden change of its running direction but also the turning on a small radius. Further, a spin operation upon running is possible, thereby to provide a very amusing toy car.

Landscapes

  • Toys (AREA)
  • Handcart (AREA)

Claims (2)

1. Spielzeugauto, mit einem Paar Vorderräder (12, 12) und einer Mehrzahl von Hinterrädern (14, 16, 16), die an einer Karosserie gelagert sind, dadurch gekennzeichnet, daß die Mehrzahl von Hinterrädern ein Hauptrad aufweist, das im wesentlichen in der Mitte der Breite des Spielzeugautos angeordnet ist, und ferner ein Paar nicht angetriebener Folge- oder Laufräder (16,16) aufweist, die auf jeder Seite des Hauptrads (14) angeordnet sind, wobei das Paar nicht angetriebener Folge- oder Laufräder (16, 16) je an einem Ende eines Trägerarms (28) befestigt sind, während das andere Ende des Trägerarms (28) schwenkbeweglich an einer gegenüber der Achse (24) des Hauptrads (14) excentrischen Position gelagert ist.
2. Spielzeugauto nach Anspruch 1, dadurch gekennzeichnet, daß ein größeres festes Gewicht auf die Hinterradseite als auf die Vorderradseite der Karosserie (10) gelegt ist.
EP84101549A 1984-02-15 1984-02-15 Spielzeugauto Expired EP0151664B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT84101549T ATE37665T1 (de) 1984-02-15 1984-02-15 Spielzeugauto.
EP84101549A EP0151664B1 (de) 1984-02-15 1984-02-15 Spielzeugauto
DE8484101549T DE3474414D1 (en) 1984-02-15 1984-02-15 Toy car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84101549A EP0151664B1 (de) 1984-02-15 1984-02-15 Spielzeugauto

Publications (2)

Publication Number Publication Date
EP0151664A1 EP0151664A1 (de) 1985-08-21
EP0151664B1 true EP0151664B1 (de) 1988-10-05

Family

ID=8191773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101549A Expired EP0151664B1 (de) 1984-02-15 1984-02-15 Spielzeugauto

Country Status (3)

Country Link
EP (1) EP0151664B1 (de)
AT (1) ATE37665T1 (de)
DE (1) DE3474414D1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR530433A (fr) * 1920-02-02 1921-12-22 Voiturette automobile
FR68491E (fr) * 1954-11-06 1958-04-30 Perfectionnements aux tracteurs agricoles
FR1256008A (fr) * 1960-02-01 1961-03-17 Meccano France Ltd Voiture miniature à changement de direction
GB1390068A (en) * 1972-10-31 1975-04-09 Lesney Products Co Ltd Strut moundings for toy or model vehicles

Also Published As

Publication number Publication date
EP0151664A1 (de) 1985-08-21
ATE37665T1 (de) 1988-10-15
DE3474414D1 (en) 1988-11-10

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