Egner, H.H.EgnerHoffmann, J.J.Hoffmann2022-03-082022-03-081997https://publica.fraunhofer.de/handle/publica/303800The description refers to a workpiece fixture positioning device, in particular for a machining station. The positioning device according to the invention has the following features: - At least one stationary spindle which has a single raised incline about its circumference, and which a drive unit turns in clock cycles, is used for positioning the workpiece carrier; - The workpiece carrier has at least two cams which are arranged and placed at certain distances so that, during positioning, two cams can roll against the raised side surfaces.de608670patent1992-4241676