×

Radio controlled vehicle with a system for selectively lifting portions of the vehicle frame

  • US 6,758,719 B1
  • Filed: 03/03/2003
  • Issued: 07/06/2004
  • Est. Priority Date: 03/03/2003
  • Status: Expired due to Fees
First Claim
Patent Images

1. A radio controlled toy vehicle, comprising:

  • a frame having a longitudinal axes and comprised of a first frame portion and a transmission assembly portion;

    said transmission assembly portion having first and second wheels connected to a rear axle to support said transmission assembly;

    said transmission assembly further having a first electric motor and a gear system for transferring rotational output of said first electric motor to said rear axle thereby rotating said first and second wheels in a predetermined direction;

    a gear box having a system of gear-wheels that accept a rotational output of a second electric motor and transfers said rotational output to a first rotatable cam when said second electric motor rotates in a clockwise direction and transfers said rotational output to a second rotatable cam when said second electric motor rotates in a counter-clockwise direction;

    said first rotatable cam having a first rod positioned off center to said first rotatable cam and extending out generally perpendicular to a surface of said first rotatable cam;

    said second rotatable cam having a second rod positioned off center to said second rotatable cam and extending out generally perpendicular to a surface of said second rotatable cam;

    a third rod connected to the transmission assembly and rotationally mounted on a first pin on said first frame portion thereby enabling said third rod to move rotationally with respect to said first frame portion;

    said third rod dimensioned to engage said second rod as a follower so that the rotation of said second rotatable cam which moves said second rod around a circular path causes said third rod to move up and down in response to the position of said second rod;

    a fourth rod having a third wheel mounted on an end;

    said fourth rod being rotationally mounted on a second pin on said first frame portion thereby enabling said fourth rod to move rotationally with respect to said first frame portion;

    said fourth rod dimensioned to engage said first rod on an end distal with respect to said third wheel as a follower so that the rotation of said first rotatable cam which moves said first rod around a circular path causes said fourth rod to move up and down in response to the position of said first rod;

    a fifth rod having a fourth wheel mounted on an end;

    said fifth rod being rotationally mounted on a third pin on said first frame portion thereby enabling said fifth rod to move rotationally with respect to said first frame portion;

    a receiver for receiving radio signals;

    an electrical power source electrically connected to said receiver;

    said receiver being electrically connected to electrical power inputs of said first and second electric motors and operable for selectively supplying electrical power to said first and second electric motors in response to receiving a predetermined respective radio signal; and

    wherein, said vehicle may be moved by said transmission assembly in a forward or reverse direction relative to said longitudinal axes in response to a respective predetermined radio signal; and

    wherein said third wheel may be selectively extended to engage a surface by the upward movement of said third rod and thereby cause said first frame portion to move in a direction away from said surface; and

    wherein said transmission assembly may be selectively extended to engage said surface by the upward movement of said fourth rod and thereby cause said first frame portion to move in a direction away from said surface.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×