Patent ID: 9640355
Date: 2017-05-02
CPC Classifications: H01H,H01R

Claim:
1. A contact apparatus comprising: fixed terminals having fixed contacts; a movable contact member having movable contacts provided on one surface thereof so as to come into contact or out of contact with the fixed contacts; a first yoke arranged at one side of said one surface of the movable contact member; a second yoke arranged at a side of the other surface of the movable contact member, the second yoke having one surface facing the first yoke through the movable contact member; a contact pressure spring configured to bias the movable contact member toward the fixed contacts through the second yoke; a movable shaft; and a drive unit configured to drive the movable shaft so that the movable contacts come into contact or out of contact with the fixed contacts, wherein the first yoke is larger in volume than the second yoke.