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:
Dec. 29, 2009
Filed:
Dec. 04, 2006
Applicants:
Josef Siraky, Donaueschingen, DE;
Rolf Hartlieb, Villingen-Schwenningen, DE;
Josef Maier, Opferdingen, DE;
Inventors:
Josef Siraky, Donaueschingen, DE;
Rolf Hartlieb, Villingen-Schwenningen, DE;
Josef Maier, Opferdingen, DE;
Assignee:
Sick Stegmann GmbH, Donaueschingen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A positioning device for positioning a positioning element has a motor () that drives the positioning element () and has a measuring device that directly measures the positioning travel of the positioning element for controlling the motor (). For this, a traction cable () is joined to the positioning element and is wound onto a drum (). For measuring the positioning travel of the positioning element, the rotational position of the drum () is measured by means of an encoder ().