US Patent 9906008 Bus bar connection device and switchgear including the same

A bus bar connection device for a switchgear has a first bushing with an internal stem conductor whose end is a first connection surface at a nose of the bushing. The bus bar connection device has a second bushing with an internal stem conductor whose end is a second connection surface at a nose of the bushing. The first connection surface of the first bushing is placed opposite the second connection surface of the second bushing, the axis of the first bushing being identical to the axis of the second bushing. A connection element electrically connects the first connection surface with the second connection surface. A cylindrical insulation adapter surrounds the nose of the first bushing, the nose of the second bushing, and the connection element as one.