Patent ID: 7903393
Filing Date: 2011-03-08
Classification: H02B

Abstract:
1. A closure apparatus for withdrawable insert frames for a withdrawable circuit breaker, comprising: a plate arrangement, including at least two plates arranged in parallel and movable with respect to one another, each including at least one opening, the at least one opening in a first plate of the at least two plates being covered, in a closed state, by a second of the at least two plates, and the at least one opening in each of the two plates being located one above the other in an open state; and a movement device for movement of the at least two plates relative to one another, the movement device being blockable such that the plates of the plate arrangement cannot be moved to the open state, and the movement device including pivoting elements, each pivotable about an axis parallel to the plates, to engage in one another in a blocking state, and thus block the movement device.