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:
May. 31, 2016
Filed:
Mar. 16, 2012
Bernhard Schnabel, Starnberg, DE;
Bernhard Schnabel, Starnberg, DE;
NAF NEUNKIRCHENER ACHSENFABRIK AG, Neunkirchen, DE;
Abstract
The invention relates to a drive device () for an automotive work machine, wherein the drive device () includes a first hydraulic motor () coupled to a driven shaft (), a second hydraulic motor () and a coupling device (), by means of which the second hydraulic motor () can be coupled to the driven shaft () for torque addition in a first shift state, and can be decoupled from the driven shaft () in a second shift state. The coupling device () in turn includes at least one synchronizing body () with a conical friction surface () coupled to the second hydraulic motor () and a gear wheel () with a corresponding friction surface () movable relatively to the synchronizing body () and coupled to the driven shaft ().