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:
Apr. 23, 2013
Filed:
Mar. 23, 2009
Vladimir Muhlbach, Reichenau, DE;
Robert Morrison, Tettnang, DE;
Vladimir Muhlbach, Reichenau, DE;
Robert Morrison, Tettnang, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A multi-gear powershift transmission for a working machine, in particular a forklift truck, which has a driveshaft () driven by a torque converter () such that, by way of fixed wheels (), loose wheels () and shift clutches () arranged on countershafts () in a first transmission, at least two forward gears and two reverse gears can be engaged. The powershift transmission can be supplemented with a further countershaft () having a fixed wheel (), a clutch () and a loose wheel () in order to produce a second powershift transmission in which three gears in the forward driving direction and three gears in the reverse driving direction are engageable.