Patent ID: 8895884

Claim:
A tank type vacuum circuit breaker, wherein an insulation rod of a cylindrical shape has a hole at each end section thereof; at sections where said insulation rod is connected to an operating mechanism unit and a vacuum valve, a connection component for said operating mechanism unit and a connection component for said vacuum valve are each formed with a hole, said connection components being connected to said insulation rod with at least the connection component for said vacuum valve inserted inside insulation rod; the connections are made by a rod pin with respect to each hole of said insulation rod and said connection components; said rod pins are used to connect said operating mechanism unit and said vacuum valve; said rod pins each having an axis and arranged such that a rod pin on the connection side to said operating mechanism unit is offset along the circumference of the insulation rod from the axis of another rod pin on the connection side to said vacuum valve by an angle of 90 degrees; and a clearance is provided between each hole of said insulation rod and said pin to be inserted thereto.