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    • 3. 发明公开
    • TOY VEHICLE
    • 玩具车
    • EP1954365A1
    • 2008-08-13
    • EP06827571.8
    • 2006-11-06
    • MATTEL, INC.
    • DISCOE, JustinMOLL, Joseph, T.PASKO, KevinKANG, PauloVERBERA, Steven
    • A63H23/04A63H29/00
    • A63H23/14A63H17/262A63H23/10A63H30/04A63H33/003
    • A toy vehicle (10) includes a plurality of wheels (40), and an electric motor (52) operably coupled to rotate at least one of the wheels (40a, 40c). The one wheel (40a, 40c) including a hub (42) and a tire (44) mounted on the hub, the tire having an interior (44a) sufficiently hollow to make the wheel buoyant in water and the wheel being sufficiently sealed to prevent water penetration of the interior of the tire with the wheel immersed in water. The tire has a central portion (45) surrounding the hub and a plurality of hollow lobes (46) spaced from one another about the central portion. Each lobe has a pair of opposing outer sides (46a, 46b) at least one outer side being at least partially cupped (48a, 48b) to improve thrust caused by rotation of the wheel in water.
    • 一种玩具车(10)包括多个车轮(40)和电动机(52),该电动机(52)可操作地联接以使至少一个车轮(40a,40c)旋转。 包括轮毂(42)和安装在轮毂上的轮胎(44)的一个车轮(40a,40c)具有足够中空的内部空间(44a)以使车轮在水中漂浮,并且车轮被充分密封以防止 车轮浸入水中时,轮胎内部的水渗透。 轮胎具有围绕轮毂的中央部分(45)和围绕中央部分彼此间隔开的多个中空凸起(46)。 每个叶片具有一对相对的外侧(46a,46b),至少一个外侧至少部分地杯状(48a,48b)以改善轮子在水中旋转引起的推力。