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:
Nov. 25, 2008
Filed:
Dec. 14, 2004
Gerhard Buck, Friedrichshafen, DE;
Wolfgang Rebholz, Friedrichshafen, DE;
Siegfried Stützle, Friedrichshafen, DE;
Michael Riedhammer, Bermatingen, DE;
Hugo Burkhart, Ravensburg, DE;
Michael Herlitzek, Eriskirch, DE;
Jürgen Legner, Friedrichshafen, DE;
Jochen Schneider, Neukirch, DE;
Michael Thielmann, Friedrichshafen, DE;
Roland Fischer, Oberteuringen, DE;
Gerhard Buck, Friedrichshafen, DE;
Wolfgang Rebholz, Friedrichshafen, DE;
Siegfried Stützle, Friedrichshafen, DE;
Michael Riedhammer, Bermatingen, DE;
Hugo Burkhart, Ravensburg, DE;
Michael Herlitzek, Eriskirch, DE;
Jürgen Legner, Friedrichshafen, DE;
Jochen Schneider, Neukirch, DE;
Michael Thielmann, Friedrichshafen, DE;
Roland Fischer, Oberteuringen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A shiftable multispeed reverse transmission having one input shaft () and a plurality of countershafts () and one output shaft (). One of gears and/or idle gears being situated upon the countershafts () for non-rotatably connection with the countershafts, via shiftable clutches, for gear and direction change. The reduction ratios being generated by spur pinion stages and at least one shiftable planetary stage (P).