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. 26, 2004
Filed:
Mar. 07, 2003
Applicant:
Inventor:
Thomas Reininger, Wernau/Neckar, DE;
Assignee:
Festo AG & Co., Esslingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 1/502 ;
U.S. Cl.
CPC ...
F15B 1/502 ;
Abstract
A contraction unit with a contraction tube that extends between two spaced head pieces and that contracts in length when pressure builds upon the inside proposed, which is provided with a position sensor device for detecting the distance between the head pieces based on the expansion of an elastic measurement object with the help of an expansion measurement device, wherein the measurement object extends between head pieces or in or on the wall of the contraction tube.