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.

Date of Patent:
May. 26, 2020

Filed:

Sep. 07, 2018
Applicant:

Liebherr-werk Ehingen Gmbh, Ehingen, DE;

Inventor:

Bernd Boos, Mehrstetten, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66D 3/08 (2006.01); B66D 3/06 (2006.01); B66C 1/34 (2006.01); B66D 3/10 (2006.01);
U.S. Cl.
CPC ...
B66D 3/08 (2013.01); B66C 1/34 (2013.01); B66D 3/06 (2013.01); B66D 3/10 (2013.01); B66D 2700/028 (2013.01);
Abstract

The invention relates to a hook block base body for fastening to a pulley set of a hoisting apparatus having a plurality of deflection pulleys comprising a means for installing the hook block base body at the pulley set and a load suspension means for suspending a load, characterized by at least one projection element that is configured to cooperate with a deflection pulley on an installation of the hook block base body at the pulley set and only to permit an installation of the hook block base body at the pulley set when the deflection pulley cooperating with the projection element is rope-free.


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