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Driverless vehicle for two way accumulation

  • US 4,583,462 A
  • Filed: 07/15/1983
  • Issued: 04/22/1986
  • Est. Priority Date: 07/15/1983
  • Status: Expired due to Fees
First Claim
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1. A driverless vehicle comprising a body having support wheels for riding on a support surface, first and second drive wheels adapted for frictional contact with a drive tube, each drive wheel being movable between a drive position and a stop position, said drive wheels being connected to the bottom of said body on opposite sides of and equidistant from a longitudinal center line on said body for alternative use depending upon the direction of movement of the vehicle, each drive wheel having a member projecting beyond a different free end of the vehicle body and terminating in a cam follower, the cam followers being on opposite sides of the vehicle center line, a discrete cam projecting from each end of the vehicle, said cams being on opposite sides of said center line, and at each end of the vehicle the cam and cam follower being on opposite sides of said center line and the transverse distance therebetween being uniform.

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