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. 02, 2021
Filed:
Sep. 12, 2017
Applicant:
Liebherr-werk Biberach Gmbh, Biberach an der Riß, DE;
Inventor:
Eric Konijn, Singapore, SG;
Assignee:
LIEBHERR WERK BIBERACH GMBH, Biberach an der Riss, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C 23/28 (2006.01); B66C 23/00 (2006.01); B66C 23/76 (2006.01); B66C 23/72 (2006.01);
U.S. Cl.
CPC ...
B66C 23/283 (2013.01); B66C 23/54 (2013.01); B66C 23/72 (2013.01); B66C 23/76 (2013.01);
Abstract
The present invention relates to a tower crane, in particular a revolving tower crane, comprising a crane tower composed of a plurality of tower pieces, a main boom arranged at the tower tip, and a counter-boom, wherein at least one main hoist rope is guided over the main boom to take up the load and at least one counter-boom hoist rope is guided over the counter-boom to take up a balance weight.