A POWER CONNECTION DEVICE

摘要

The invention relates to a power connection device (5) for transmitting electric power from an external power source to a working machine (1). The working machine has an undercarriage (2) and a superstructure (3), and the undercarriage and the superstructure are pivotable relative to each other about a substantially vertical pivot axis (4). The power connection device (5) comprises a first power conductor member (6) which is adapted to be pivotally arranged relative to the undercarriage (2) and the superstructure (3) about the substantially vertical pivot axis (4).