EP 4091980 B1 20240221 - LIFTING SYSTEM AND METHOD FOR A CRANE
Title (en)
LIFTING SYSTEM AND METHOD FOR A CRANE
Title (de)
HUBSYSTEM UND -VERFAHREN FÜR EINEN KRAN
Title (fr)
SYSTÈME ET PROCÉDÉ DE LEVAGE POUR UNE GRUE
Publication
Application
Priority
DE 102021113314 A 20210521
Abstract (en)
[origin: US2022371862A1] A lifting system for a crane for generating a hoist rope pretension during a travel of a suspension element of the crane is provided. The system includes a separable pretension hook block and a connected auxiliary rope that is supported in a windable and unwindable manner on an auxiliary winch on the crane, and that is guided over a deflection apparatus arranged or installable at a boom of the crane. The pretension hook block comprises two lockable hook block parts that are releasably lockable to one another, that are connected to one another via the auxiliary rope, and of which an upper hook block part has a fastening means for fastening to the suspension element of the crane and a lower hook block part has a pick-up means for fastening a weight.
IPC 8 full level
B66C 1/34 (2006.01); B66C 23/36 (2006.01)
CPC (source: EP US)
B66C 1/34 (2013.01 - EP US); B66C 23/36 (2013.01 - EP); B66D 3/06 (2013.01 - US); B66D 3/26 (2013.01 - US); B66C 2700/0371 (2013.01 - US); B66D 2700/0108 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 4091980 A1 20221123; EP 4091980 B1 20240221; DE 102021113314 A1 20221124; DE 102021113314 B4 20231207; DK 4091980 T3 20240311; JP 2022179440 A 20221202; US 2022371862 A1 20221124
DOCDB simple family (application)
EP 22171744 A 20220505; DE 102021113314 A 20210521; DK 22171744 T 20220505; JP 2022082448 A 20220519; US 202217749375 A 20220520