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Motor-vehicle driving instruction and testing apparatus

  • US 4,358,272 A
  • Filed: 11/21/1980
  • Issued: 11/09/1982
  • Est. Priority Date: 02/20/1980
  • Status: Expired due to Term
First Claim
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1. A motor vehicle driving instruction and testing apparatus, comprising, in combination:

  • a disc rotating as a function of time;

    means for measuring the turning of the wheels of said vehicle;

    warning means activated when said vehicle is simultaneously braked and said wheels are turned;

    recording means for graphically and simultaneously recording combined braking and turning actions;

    said recording means comprising stylographs adapted to place markings on said disc.

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