Patent · US Active

Foldable suspended-ballast guide for a crane

US11319195B2 · kind B2 · utility

1Cited by

3References

18Claims

0Family size

Assignee

LIEBHERR-WERK EHINGEN GMBH · DE

Inventors

Clemens NORZ · Wassertrüdingen, DE
Hans-Joachim WENGER · Wassertrüdingen, DE
Roland Bohnacker · Blaubeuren, DE
Marcus JECHLE · Ulm, DE

Key dates

Filing date	Feb 14, 2020
Grant date	May 3, 2022
Priority date	—
Expiry date	Jun 18, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66C23/365
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

The invention relates to a foldable suspended-ballast guide for a crane with suspended ballast, comprising at least two lattice pieces which are pivotally connected to each other by means of at least one swivel joint, and a swivel drive for changing the swivel angle or for changing the ballast radius, wherein the suspended-ballast guide can be arranged on the crane via the first lattice piece, characterized in that the second lattice piece comprises at least one kink joint in order to kink the second lattice piece downwards or backwards in the direction of the crane to reduce the ballast radius.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.