The present disclosure relates to a boom (1) for a flat-top crane (2). The boom (1) comprises an elongated frame arrangement (3) and a counterweight (4) and being_characterized in that the counterweight (4) is movably attached to the elongated frame arrangement (3) such that it can move along at least 50 % of the length of the elongated frame arrangement (3). The present disclosure also provides a flat-top crane (2) comprising a boom (1) according to boom a tower attachment arrangement (7) for attaching the boom (1) to a tower, the tower attachment arrangement (7) being arranged such that the boom (1) protrudes on both sides of the attachment arrangement. The flat-top crane (3) being characterized in that the counterweight (4) of the boom (1) is movably attached to the boom (1) such that it can pass the tower attachment arrangement (7) and be moved between the protrusions of the boom (1).
BOOM WITH MOVEABLE COUNTER WEIGHT
AUSLEGER MIT BEWEGLICHEM GEGENGEWICHT
FLÈCHE À CONTREPOIDS MOBILE
18.11.2020
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
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