EP 3995436 B1 20240508 - MOBILE CRANE WITH HEIGHT-ADJUSTABLE SUPERSTRUCTURE BALLAST
Title (en)
MOBILE CRANE WITH HEIGHT-ADJUSTABLE SUPERSTRUCTURE BALLAST
Title (de)
MOBILKRAN MIT HÖHENVERSTELLBAREM OBERWAGENBALLAST
Title (fr)
GRUE MOBILE POURVUE DE BALLAST DE TOURELLE RÉGLABLE EN HAUTEUR
Publication
Application
Priority
DE 202020106372 U 20201106
Abstract (en)
[origin: US2022144603A1] The disclosure relates to a mobile crane, such as a crawler crane, comprising an undercarriage having a chassis, a superstructure rotatably supported on the undercarriage, and superstructure ballast, with the superstructure ballast comprising a ballast mounting apparatus vertically adjustable by means of a lifting device of the superstructure. In accordance with the disclosure, the ballast mounting apparatus is fastenable to the superstructure in an assembly position by means of a single connection element bearing the vertical load of the superstructure ballast. A centering means is furthermore provided that is adapted to take up transverse forces occurring in the assembly position.
IPC 8 full level
B66C 23/74 (2006.01)
CPC (source: EP US)
B66C 23/74 (2013.01 - EP US); B66C 23/365 (2013.01 - US); B66C 2700/0371 (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)
DE 202020106372 U1 20220211; EP 3995436 A1 20220511; EP 3995436 B1 20240508; JP 3236715 U 20220311; US 11713221 B2 20230801; US 2022144603 A1 20220512
DOCDB simple family (application)
DE 202020106372 U 20201106; EP 21203465 A 20211019; JP 2021004430 U 20211118; US 202117453790 A 20211105