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Steerable toy vehicle

  • US 5,240,451 A
  • Filed: 06/12/1992
  • Issued: 08/31/1993
  • Est. Priority Date: 06/12/1992
  • Status: Expired due to Term
First Claim
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1. A toy vehicle, comprising:

  • a chassis, having a forward end and a rearward end;

    a pair of rear wheels mounted on said rearward end of said chassis for rotation about an axis transverse to said chassis;

    a pair of front wheels mounted on stub axles at said forward end of said chassis;

    a pair of kingpins mounted to said chassis for pivoting about substantially parallel kingpin axes at opposed lateral positions on said forward end of said chassis, said parallel kingpin axes being inclined at a caster angle to the vertical, said stub axles being mounted to said kingpins;

    a tie rod extending transversely across said chassis and pivotally connected to said kingpins at left and right ends thereof, whereby said kingpins pivot together to steer said front wheels;

    a steering mechanism comprising a rotatable steering shaft and means for converting rotational motion of said steering shaft to transverse motion of said tie rod;

    a steering column attached to said steering shaft by a flexible joint allowing transmission of torque from said steering column to said steering shaft while permitting substantially free variation of the alignment of said steering column with respect to said steering shaft; and

    a steering wheel attached to said steering column.

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