Patent ID: 7115828
Filing Date: 2006-10-03
Classification: H01H

Abstract:
1. An internally switched electric power interrupter, comprising: an insulator having an internal chamber; a contactor having a movable contact and a stationary contact operable for opening an electric power circuit located within the internal chamber; a main spring operable for linearly accelerating the movable contact sufficiently to extinguish an arc occurring across a gap between the movable contact and the stationary contact at a designed operational voltage of the electric power circuit; a latch mechanism that may be maneuvered into a cocked position in which the main spring is maintained in a charged condition, the latch mechanism releasable from the cocked position in response to a trip action to release the movable contact to accelerate under the force of the main spring for opening the electrical circuit; and wherein the latch mechanism includes a toggle mechanism comprising: