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Method and apparatus for measuring irregular tread wear

  • US 5,249,460 A
  • Filed: 12/16/1991
  • Issued: 10/05/1993
  • Est. Priority Date: 12/16/1991
  • Status: Expired due to Term
First Claim
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1. Apparatus for measuring and analyzing the tread wear of a pneumatic tire, comprising:

  • first means for receiving and rotating a tire about the axis of rotation of the tire;

    second means adjacent the tire for scanning a field of view including a tread surface of the tire and obtaining data from said field of view; and

    control means interconnected between said first and second means for controlling said rotation of the tire and said scanning of said field of view and analyzing said data, said control means measuring and analyzing the tread wear from said data, and wherein said control means controls said first means to index the tire about said axis a set amount between scans of said field of view by said second means, controls said second means to scan said field of view at a fixed rate, and acquires said data from said second means and generates a matrix of data corresponding to discrete points within said field of view.

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