This invention concerns a bridge gantry crane of the wheeled variety, which is capable of varying its track to make use of its extendable frame [ 2 ], from the minimum to the maximum, for lifting loads.
Portal crane
Portalkran
Grue-portail
09.09.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |