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:
Jun. 05, 2012
Filed:
Mar. 10, 2006
Applicant:
Hans-peter Lavergne, Trunkelsberg, DE;
Inventor:
Hans-Peter Lavergne, Trunkelsberg, DE;
Assignee:
Liebherr-Hydraulikagger GmbH, Kirchdorf/Iller, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 1/12 (2006.01); F15B 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a hydraulic cylinder piston comprising a piston rod and a piston connected thereto. In accordance with the invention, the piston can be tensioned with respect to the piston rod via a screw system comprising two threaded rings, with the inner threaded ring of the two threaded rings comprising a removable tensioning element for the application of the pre-tension and with the outer threaded ring being movable relative to the inner threaded ring.