Apparatus for Supporting a Workpiece for a Plurality of Supporting Pins Which are Oriented Parallel and are Individually Longitudinally Movable
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United States of America Patent
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Issued Date -
Jul 7, 2022
app pub date -
Mar 23, 2022
filing date -
Sep 30, 2019
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Abstract
An apparatus for supporting a workpiece has a frame and a supporting field consisting of end faces of a plurality of supporting pins which are guided parallel to one another in their main extension directions in the frame and which can each be pushed in against a restoring force with respect to the frame. Further, the apparatus has a detection device including a light barrier in order to detect relative positions of at least some of the supporting pins with respect to the frame. A light source and a light sensor of the light barrier are facing one another across the main extension directions of the supporting pins. The light source is divided into a plurality of sub-sources along one side of the supporting field, and the light sensor is divided into a plurality of sub-sensors along another side situated opposite the aforementioned side of the supporting field.
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