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:
Jan. 01, 2013
Filed:
Jun. 17, 2010
Ingo Albers, Bad Essen, DE;
Christoph Elbers, Stemwede, DE;
Joachim Spratte, Osnabrueck, DE;
Katharina Matzold, Hunteburg, DE;
Ingo Albers, Bad Essen, DE;
Christoph Elbers, Stemwede, DE;
Joachim Spratte, Osnabrueck, DE;
Katharina Matzold, Hunteburg, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A coupling lock for a trailer coupling. The coupling lock comprises a receptacle () in which a coupling element () is inserted, an angle measuring device () is connected to the receptacle (), and the angle measuring device () is provided for detecting rotation of the receptacle (), about a rotational axis (), relative to the coupling element (). A magnetically adhering body () is elastically connected to the receptacle () and magnetically connectable to the coupling element () for actuating the angle measuring device ().