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:
Oct. 08, 2002
Filed:
Sep. 01, 1999
Applicant:
Inventors:
Kurt Stoll, Esslingen, DE;
Martin Maichl, Salach, DE;
Maximilian Haslinger, Stuttgart, DE;
Thomas Reininger, Wernau, DE;
Assignee:
Festo AG & Co., Esslingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L 1/304 ;
U.S. Cl.
CPC ...
B60L 1/304 ;
Abstract
The invention provides a driving device comprising a tubular housing ( ) and a moving unit ( ) which is positioned on the housing ( ) in such a way that it can be moved lengthwise therein. Said moving unit ( ) comprises an internal part which is located in the housing ( ) and an external part which is located outside the housing ( ), both parts being magnetically coupled. The magnetic coupling creates a coupling device which produces at least one closed magnetic circuit ( ) via the outer part ( ) and which fully traverses the inner part ( ) and the housing ( ).