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:
Mar. 21, 2006
Filed:
Aug. 30, 2002
Gerhard Buck, Friedrichshafen, DE;
Helmut Eymüller, Friedrichshafen, DE;
Siegfried Stützle, Friedrichshafen, DE;
Gerhard Buck, Friedrichshafen, DE;
Helmut Eymüller, Friedrichshafen, DE;
Siegfried Stützle, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A drive device comprises a first switchgear () and a second switchgear () which can be actuated respectively hydraulic pressure in an opening direction and via spring force in a closing direction, and which are provided with a device () by which the first switchgear () and the second switchgear () are to be actuated in the opening direction when the switchgears are actuated in the closing direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile