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:
Mar. 19, 2024
Filed:
Sep. 08, 2021
Liebherr-werk Biberach Gmbh, Biberach an der Riss, DE;
Markus Hofmeister, Warthausen, DE;
Tobias Englert, Laupheim, DE;
Liebherr-Werk Biberach GmbH, Biberach an der Riss, DE;
Abstract
The invention relates to a crane, in particular a rotary tower crane (), comprising a crane boom (), from which runs a hoisting cable () connected to the load hook (), as well as comprising a load hook positioning device () for determining the load hook position, wherein the load hook positioning device () has at least three electromagnetic radio modules () exchanging radio signals with one another, of which at least one radio module is attached to the load hook and at least two further radio modules are attached to the crane structure and/or in the environment of the crane in a spaced apart manner, as well as an electronic evaluation device for evaluating the radio signals and determining the position of the load hook from the radio signals.