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VEHICLE DRIVE MEANS

  • US 3,847,089 A
  • Filed: 10/16/1972
  • Issued: 11/12/1974
  • Est. Priority Date: 10/16/1972
  • Status: Expired due to Term
First Claim
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1. In a vehicle movable over a roadway having one operative element of a linear induction motor extending longitudinally along the roadway;

  • a chassis;

    a plurality of wheels movable over the roadway;

    mounting means connecting the chassis to the wheels including means yieldably biasing the chassis against downward movement relative to the wheels;

    a second element of the linear induction motor for imparting a thrust force to said chassis to move the vehicle over the roadway when said motor is energized;

    connecting means connecting said second motor element to said chassis including means for varying the operative position of said second element relative to said first element for varying the propelling thrust force on the chassis in accordance with the load on the chassis, said connecting means including a carriage, front and rear pairs of rollers supporting front and rear ends of said carriage for movement over the roadway, and linkage means operatively associated with said chassis and said rollers for moving said carriage vertically relative to said rollers in accordance with the vertical movement of said chassis relative to said wheels, said second element being rigidly secured to said carriage.

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