Patent ID: 8336224

Claim:
Measuring device for in-process measurement of test specimens during a machining process on a machine tool having a base body, comprising: a) a measuring head connected pivotably about a first pivot axis to the base body of the measuring device via a linkage; b) an apparatus provided for pivoting the measuring head in and out of a measuring position, respectively; c) a linkage provided including: i) a first linkage element and a second linkage element that are provided pivotably on the first pivot axis; ii) a third linkage element connected pivotably about a second pivot axis to the end of the second linkage element facing away from the first pivot axis; and iii) a fourth linkage element connected pivotably about a third pivot axis to the end of the third linkage element that faces away from the second pivot axis, and the fourth linkage element being connected pivotably about a fourth pivot axis to the first linkage element at a distance from the third pivot axis.