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:
Jun. 22, 2021
Filed:
Apr. 30, 2018
Applicant:
Liebherr-werk Nenzing Gmbh, Nenzing, AT;
Inventor:
Florian Gabriel, Nenzing, AT;
Assignee:
Liebherr-Werk Nenzing GmbH, Nenzing, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/47 (2006.01); E02F 3/14 (2006.01); B66C 3/16 (2006.01); B66C 3/12 (2006.01); E02D 17/13 (2006.01); B66C 3/06 (2006.01); E02F 3/413 (2006.01);
U.S. Cl.
CPC ...
E02F 3/147 (2013.01); B66C 3/06 (2013.01); B66C 3/125 (2013.01); B66C 3/16 (2013.01); E02D 17/13 (2013.01); E02F 3/413 (2013.01);
Abstract
A slurry wall grab has a hybrid drive in turn having at least one pulley block, at least one hydraulic actuator, and at least one energy store. The hydraulic actuator and the pulley block open and/or close a grab jaw of the slurry wall grab. The energy store can be charged by actuating the pulley block.