Patent No. EP3105164 (titled "Crane Socket For A Loading Crane") was filed by Palfinger on Feb 9, 2015. The application was issued on Mar 30, 2022.
A crane base for a loading crane that achieves static determinacy without a pivot joint, comprising a base part and at least one support part connected by an open I-profile structure. The I-profile structure has low torsional rigidity but high flexural rigidity, allowing minor torsions to be accommodated without overloading the structure.

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