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公开(公告)号:US20240001769A1
公开(公告)日:2024-01-04
申请号:US18039022
申请日:2020-11-30
发明人: Ville VARE , Jari UUSITALO
摘要: A device and a method for detaching a current collector of a mining vehicle before a track end in response to a sufficient voltage drop is provided. Timely detachment of the current collector is further ensured with one or more sensor arrangements. A trolley track system incorporating the device is also provided.