Patent ID: 8963039
Filing Date: 2015-02-24
Classification: H01H

Abstract:
1. A gas circuit breaker comprising: a movable electrode part and a fixed electrode part which are arranged to face each other in a manner where they engage and separate in a container air-tightly filled with an insulating gas; an operating mechanism attached to the outer side of a partition of the container and configured to output an operating force from an output part to the movable electrode part; an operating rod including one end attached to the movable electrode part; a first link including one end rotatably attached to the operating rod; a lever including one end rotatably attached to the first link; a support bearing which is fixed to the partition of the container via an insulating spacer; a second link including one end rotatably attached to the lever and the other end rotatably attached to the support bearing; a seal bearing configured to penetrate through the partition of the container; a seal rod which is rotatably attached to the lever in the vicinity of the center of the lever and is slidably supported to the seal bearing; and a third link including one end rotatably attached to the seal rod and the other end attached to the output part of the operating mechanism.