Apparatus for disconnecting a switch of a high voltage electric

Details Apparatus for disconnecting a switch of a high voltage electric Apparatus for disconnecting a switch of a high voltage electric

1988-07-07

1989-12-19

Pellinen, A. D.

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

200 17R, H01H 346

Patent

active

048884588

ABSTRACT:
An apparatus for operating switches including a driving shaft having an operation lever portion supporting one end of a spring mechanism, with the driving shaft being separated from an operation shaft associated with a switch. A driving lever fixed to the driving shaft is connected to a main lever with a recess fixed to the operation shaft. An angle formed by central axes of these levers is set to an angle slightly exceeding 90.degree. when a switch opening or closing operation is completed. Members for regulating the opening and closing positions of the switch are provided at positions opposed to the driving lever. By setting the angle to the above value, in a side where the angle exceeds 90.degree., an operating force transmitted from the driving lever to the main lever acts in a direction opposite to a direction to which the operating force acts until the angle reaches 90.degree., thus cancelling operating inertia energy and residual energy in the driving lever.

REFERENCES:
patent: 4166938 (1979-09-01), Peek

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