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Length sensor

  • US 7,121,013 B2
  • Filed: 03/28/2002
  • Issued: 10/17/2006
  • Est. Priority Date: 04/11/2001
  • Status: Expired due to Term
First Claim
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1. A length measuring probe, comprising:

  • a base body;

    a guide element;

    a probe pin comprising a touch scanning element for touch scanning a measuring object, said probe pin is guided, displaceable in relation to said base body along a measuring direction opposite a spring force F via said guide element;

    a detection device that detects a position of said probe pin with respect to said base body;

    a first spring element and a second spring element arranged behind said first spring element in said measuring direction so as to prestress said probe pin with said first spring element and said second spring element in a common direction; and

    wherein said guide element is arranged entirely between said first and second spring elements, and wherein said guide element is guided, displaceable in said measuring direction, on said probe pin and on said base body.

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