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.:

US 7540362 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 02, 2009

Filed:

Jun. 26, 2006
Applicants:

Holger Knaust, Kümmersbruck, DE;

Michael Schmidbauer, Hahnbach, DE;

Inventors:

Holger Knaust, Kümmersbruck, DE;

Michael Schmidbauer, Hahnbach, DE;

Assignee:

SUSPA Holding GmbH, Altdorf, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

An adjustable length gas spring comprises a casing and a piston which is disposed for displacement in the casing and joined to a piston rod. An externally operable adjusting valve is formed in the piston. Further, the piston is provided with a traction valve, which, upon application of tractive force from outside, cancels any blockage of the piston.


Find Patent Forward Citations

Knaust, Holger. (2009). Adjustable-length gas spring (U.S. Patent No. 7540362). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7540362

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…