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. 27, 2015
Filed:
Jun. 21, 2012
Applicants:
Dirk Adamczyk, Lemforde, DE;
Julian Stratmann, Osnabruck, DE;
Christoph Elbers, Stemwede, DE;
Inventors:
Assignee:
ZF Friedrichshafen AG, Friedrichshafen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60D 1/06 (2006.01);
U.S. Cl.
CPC ...
B60D 1/06 (2013.01);
Abstract
A trailer towing device for a tractor vehicle () which comprises a coupling ball (), having a hollow space () for coupling a trailer vehicle (), and a ball support () which engages with an end area in the hollow space () through an opening () provided in the coupling ball () and supports the coupling ball (), such that the end area of the ball support () comprises a joint ball () on which the coupling ball () is fitted and can rotate so that, together with the coupling ball (), the joint ball forms a ball joint ().