The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2013
Filed:
Nov. 27, 2009
Ingrid Wunderlich, Radebeul, DE;
Thomas Pfauch, Leipzig, DE;
Ingrid Wunderlich, Radebeul, DE;
Thomas Pfauch, Leipzig, DE;
Abstract
A retractable assembly for a sensor, which determines a physical and/or chemical, process variable in a process medium. The retractable assembly has a housing, in which a tubular holder for accommodating the sensor is arranged such that it can be moved linearly by a drive unit. At least one cascaded cylinder is provided for the linear shifting of the tubular holder, wherein the cascaded cylinder comprises at least two cylinders arranged one after the other in the direction of the stroke movement. Furthermore, the cascaded cylinder is, or the cascaded cylinders are, embodied and/or operable in such a manner that the sensor is movable into at least two different positions.