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:
Jul. 24, 2012
Filed:
Feb. 11, 2009
Thomas Puth, Friedrichshafen, DE;
Reiner Keller, Ludwigshafen, DE;
Michael Pantke, Friedrichshafen, DE;
Thomas Puth, Friedrichshafen, DE;
Reiner Keller, Ludwigshafen, DE;
Michael Pantke, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
An electromagnetic control mechanism () with an actuating element () which can move longitudinally and can be retained in three stable positions. By way of two coils (), the actuating element () can be switched to a first or to a second stable position, namely, the two opposed end positions. The actuating element () comprises an actuator rod () with a permanent magnet () arranged on the actuator rod (), such that the actuating element () can be retained magnetically in the third stable position by the permanent magnet ().