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Method and apparatus for environmental protection of drive-over tire tread depth optical sensors

  • US 9,046,446 B1
  • Filed: 02/20/2014
  • Issued: 06/02/2015
  • Est. Priority Date: 02/22/2013
  • Status: Active Grant
First Claim
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1. A drive-over optical tire tread depth sensor system, comprising, an optical component having an illuminating laser optical axis and an optical imaging sensor field of view;

  • a vehicle support surface in spaced proximity to said optical component; and

    an air discharge system disposed in proximity to said optical axis or field of view, said air discharge system including at least one air discharge opening oriented to direct pressurized air to displace environmental contaminates, debris or liquids accumulated between said vehicle support surface and said optical component from said optical axis or field of view.

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