Switching device

Electricity: circuit makers and breakers – Contact moved by sudden release of stored energy

Reexamination Certificate

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Reexamination Certificate

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07368676

ABSTRACT:
A switching device having a frame, in which an actuator adapted to rotate a main shaft of the switching device and rotatable around an axis of rotation, the actuator having a 0 position, an I position and a first dead point between the 0 position and the I position, the I position being located by a given angle (α6) in a first direction relative to the 0 position. The actuator also has a testing position, the testing position being located by a predetermined angle (β6) in a second direction relative to the 0 position, the second direction being opposite relative to the first direction.

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patent: 4622443 (1986-11-01), Mooz
patent: 4743715 (1988-05-01), Gerbert-Gaillard et al.
patent: 6031192 (2000-02-01), Liebetruth
patent: 6492606 (2002-12-01), MacLean
patent: 6940032 (2005-09-01), Sirajtheen et al.
patent: 7019228 (2006-03-01), Anger et al.
patent: 2002/0079995 (2002-06-01), Yang
patent: 1 353 349 (2003-10-01), None
International Search Report dated Jun. 7, 2005.
Written Opinion of the International Searching Authority dated Jun. 7, 2005.
Finland Search Report (with English translation of category of cited documents) dated Dec. 1, 2004.

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