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. 21, 2016
Filed:
May. 01, 2014
Applicants:
Stojan Cegar, Waigolshausen, DE;
Erwin Wack, Niederwerrn, DE;
Inventors:
Stojan Cegar, Waigolshausen, DE;
Erwin Wack, Niederwerrn, DE;
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 3/52 (2006.01); F16F 1/06 (2006.01); F16D 3/66 (2006.01); F16F 15/123 (2006.01);
U.S. Cl.
CPC ...
F16F 1/06 (2013.01); F16D 3/66 (2013.01); F16F 15/123 (2013.01);
Abstract
A spring includes at least one spring portion that extends over an arc of at least 90° when projected onto a cross-sectional area perpendicular to a force direction of the spring in an unloaded condition thereof. The spring portion has an elliptical shape in the projection. A system including one or more springs is also described.