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Method of and apparatus for determining geometrical dimensions of a wheel rim, in particular when fitting and/or removing a motor vehicle tyre

  • US 7,715,024 B2
  • Filed: 10/31/2007
  • Issued: 05/11/2010
  • Est. Priority Date: 11/28/2006
  • Status: Active Grant
First Claim
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1. A method of determining geometrical dimensions of a rim of a motor vehicle wheel by contact-less sensing,wherein a light beam is emitted onto the rim or least part of the rim and a light beam reflected at an impingement point is detected and that the directions of the emitted and reflected light beams are evaluated for determining the position of the respective impingement spot on the rim, andwherein a rim contour along which at least one fitting or removal tool is guided during a fitting or removal of a motor vehicle tyre is contactlessly sensed and a movement of the fitting or removal tool is guided in dependence on the sensed contour without contact with a rim surface.

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