Device for positioning machine parts moving on a straight or circular path

The invention relates to a device for positioning a machine part which is moved by an actuator and a control circuit in a straight or circular path inside a housing. A timing disk or a timing ruler is used as a reference point for the positioning, wherein the timing disk or timing ruler is arranged...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BRAUN, PAUL-WILHELM
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CINEMATOGRAPHY CONTROLLING ELECTROGRAPHY HOLOGRAPHY MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHOTOGRAPHY PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	The invention relates to a device for positioning a machine part which is moved by an actuator and a control circuit in a straight or circular path inside a housing. A timing disk or a timing ruler is used as a reference point for the positioning, wherein the timing disk or timing ruler is arranged in a beam path of a light source-sensor unit. A beam mask made of a film material is disposed between a light source and the timing disk or the timing ruler. Spacer elements which face the timing disk or timing ruler, and a positioning and mounting plane for registration with a base plate are provided. Also provided are guide means for positioning the beam mask inside the housing in front of the light source.