Shape measuring apparatus
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United States of America Patent
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Nov 28, 2017
Issued Date -
N/A
app pub date -
Apr 26, 2017
filing date -
Oct 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
In a shape measuring apparatus for measuring the roughness and/or contour of a surface of a workpiece by sliding a sensing pin on a tip end side of an arm on the workpiece, the arm is provided with an engagement mechanism that makes a sensing pin side of the arm removable to a base end side of the arm. The engagement mechanism has two engagement surfaces which face each other and attract each other by a magnetic force. One of the engagement surfaces includes a linear first groove that is in parallel to an axis of the arm and another engagement part that is different from the first groove, and the other of the engagement surfaces includes a first fitting pin that is positioned to be fitted into the first groove and a second fitting pin that is fitted into the other engagement part.
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