| 摘要 |
1,252,032. Steering vehicles; toy vehicles. LOUIS MARX & CO. Ltd. 14 May, 1969 [14 May, 1968], No. 24619/69. Headings B7E and B7H. A pedal or motor-propelled toy vehicle includes a pair of driving wheels 19, 20 driven through a driving member 88 which is movable into and out of driving connection with one or other of the wheels 19, 20 and is operatively connected to the steering mechanism 50 of the vehicle so that both wheels 19, 20 are driven when the vehicle travels in a straight line and only one wheel is driven when the steering mechanism is moved to a predetermined extent in a direction of turn opposite to that wheel. The wheels 19, 20 are mounted on half axles 72, 74 carrying respective driven members 77, 78 having axially-extending teeth 80, 82 engageable by corresponding teeth 86 on both ends of the driving member 88 which is slidable on the inner ends of the half axles and occupies either a central position in which it engages both driven members 77, 78 or one of two end positions in which it engages only a respective one of the driven members. The driving member 88 is driven by pedals 100 through a chain 94 and sprockets 96, 97, the sprocket 97 being secured to the driving member and positioned between the fingers 114 of a U-shaped member 104 secured to a torsion rod 106 having an angled portion 116 which extends into a slot 110 in guide member 112 carried by the track link 46 of the steering mechanism 50. The track link 46 is connected to lever arms 42, 44 on sector gears 36, 38 which mesh with gears 30, 32 on the mountings 22, 24 of steerable wheels 16, 17. A shaft 52 rotated by a steering wheel 51 carries a disc 56 having three fingers 57, 58, 59 which engage with slots 60, 61, 62 in a member 63 on the track link 46. |
