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Sensing pin mounting arrangement for multicoordinate sensing head

  • US 4,530,160 A
  • Filed: 09/12/1983
  • Issued: 07/23/1985
  • Est. Priority Date: 09/17/1982
  • Status: Expired due to Fees
First Claim
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1. In a multicoordinate sensing head comprising a frame, a sensing pin and a position measuring system, the improvement comprising:

  • first and second guide levers;

    means for mounting the sensing pin to the second guide lever;

    first means for pivotably connecting the first guide lever to the second guide lever;

    second means for pivotably connecting the first guide lever to the frame; and

    third means, included in one of the first and second means, for permitting axially-guided movement of the sensing pin along a longitudinal axis of said sensing head by cooperation with said first and second guide levers to prevent tilting of the sensing pin with respect to said longitudinal axis;

    said first and second guide levers guiding the sensing pin in a plane and enclosing an angle between said first and second guide levers;

    a wedge drive mechanism interposed between the sensing pin and the position measuring system to transfer a deflection of the sensing pin to the position measuring system.

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