EP 4087810 A1 20221116 - TOWER CRANE WITH ADJUSTABLE COUNTER BALLAST
Title (en)
TOWER CRANE WITH ADJUSTABLE COUNTER BALLAST
Title (de)
TURMKRAN MIT VERSTELLBAREM GEGENBALLAST
Title (fr)
GRUE À TOUR À CONTREPOIDS RÉGLABLE
Publication
Application
Priority
- DE 102020107417 A 20200318
- EP 2021056770 W 20210317
Abstract (en)
[origin: WO2021185884A1] The invention relates to a tower crane comprising a rotating platform (1a), an adjustable boom (2) linked to the rotating platform such that it can be inclined, as well as a counter ballast (5) mounted on the rotating platform, characterised in that an adjusting mechanism is provided which changes the position of the counter ballast regardless of the incline angle of the adjustable boom.
IPC 8 full level
B66C 23/76 (2006.01); B66C 23/82 (2006.01)
CPC (source: EP US)
B66C 23/76 (2013.01 - EP US); B66C 23/82 (2013.01 - EP)
Citation (search report)
See references of WO 2021185884A1
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102020107417 A1 20210923; CN 115298130 A 20221104; EP 4087810 A1 20221116; US 2023150803 A1 20230518; WO 2021185884 A1 20210923
DOCDB simple family (application)
DE 102020107417 A 20200318; CN 202180022060 A 20210317; EP 2021056770 W 20210317; EP 21713608 A 20210317; US 202117906610 A 20210317