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Scanning sensor system for noncontact optical scanning of object surfaces

  • US 8,125,649 B2
  • Filed: 02/09/2008
  • Issued: 02/28/2012
  • Est. Priority Date: 02/16/2007
  • Status: Expired due to Fees
First Claim
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1. Scanning sensor system for noncontact optical scanning of object surfaces, the system comprising, as mutually adapted system components, a sensor head (2) and an optics unit (3), whereinthe optics unit (3) can be attached and positioned with high precision on the sensor head (2) by means of a fixing device (4),the fixing device (4) comprises a pressing-on device (30) which presses the optics unit (3) toward the sensor head (2),the fixing device (4) comprises three bearings (20, 21, 22), by which an optics unit (3) pressed against the sensor head (2) is borne and thereby positioned,each of the three bearings (20, 21, 22) comprises a pair of bearing parts (17a, 17b;

  • 18a, 18b;

    19a, 19b) adapted to one another with respect to their shape and positioning, the bearing parts having bearing surfaces in which one of the bearing parts (17a, 18a, 19a) of each of said bearing part pairs is in contact with at least one bearing surface of the other bearing part (17b, 18b, 19b) of said bearing part pair,one bearing part (17b, 18b, 19b) of each bearing part pair is located at the optics unit (3) and the other bearing part (17a, 18a, 19a) of said bearing part pair is located at the sensor head (2), andthe bearing part pairs are configured in such a manner that they effect different restrictions of lateral movements of one bearing part (17a, 18a, 19a) of the bearing part pair relative to the other bearing part (17b, 18b, 19b) of the bearing part pair in the lateral direction, relative to a plane running through the bearings (20, 21, 22), namely that;

    a first bearing part pair (17a, 17b) allows no lateral movement,a second bearing part pair (18a, 18b) allows only a linear lateral movement in one spatial direction, anda third bearing part pair (19a, 19b) allows a two-dimensional lateral movement in two spatial directions.

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