Hopping mechanism for model car

  • US 6,036,575 A
  • Filed: 01/19/1999
  • Issued: 03/14/2000
  • Est. Priority Date: 01/19/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A model car assembly including:

  • a chassis;

    a first set of ground engaging wheels;

    a second set of ground engaging wheels;

    a first set of axle arms having outer and inner ends, said axle arms rotatably receiving said first set of ground engaging wheels at the outer ends of said first set of axle arms;

    a first pivotal mounting means intermediate the outer and inner ends of said first set of axle arms for pivotally mounting said first set of axle arms to said chassis;

    a second set of axle arms having outer and inner ends, said axle arms rotatably receiving said second set of ground engaging wheels at the outer ends of said second set of axle arms;

    a second pivotal mounting means intermediate the outer and inner ends of said second set of axle arms for pivotally mounting said second set of axle arms to said chassis;

    a reversible drive motor;

    a first cam member engaging said first set of axle arms between inner end thereof and said first pivotal mounting means;

    a second cam member engaging said second set of axle arms between the inner end thereof and said second pivotal mounting means; and

    a gear train coupled to said drive motor to drive said first cam member when caused to operate in a first direction and to drive said second cam member when caused to operate in a direction opposite to the first direction.

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