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. 11, 2025
Filed:
Mar. 21, 2022
Liebherr-components Biberach Gmbh, Biberach an der Riss, DE;
Roland Widmann, Unlingen, DE;
Johannes Halder, Ertingen, DE;
Liebherr-Components Biberach GmbH, Biberach an der Riss, DE;
Abstract
The invention relates to a drive device for a construction machine, in particular for a trench cutter, comprising a connection support and a wheel support, which is rotatably supported on the connection support via at least one rolling bearing and which can be rotationally driven relative to the connection support by a drive motor via at least one gear stage, wherein the gear wheel of the gear stage, the wheel being arranged within the connection support and meshing or being in rolling engagement with at least one other gear wheel, is movably and/or tiltably supported in the radial direction relative to the connection support by a flexible and/or movable bearing element so as to be rotationally fixed to the connection support and/or to a bearing shield rigidly connected thereto.