Patent ID: 7511238
Filing Date: 2009-03-31
Classification: H01H

Abstract:
1. A switch actuation device for turning on and off a switch by movements of a plurality of moving members including a first moving member and a second moving member, the switch actuation device comprising: a first actuation portion driven by the first moving member; a second actuation portion driven by the second moving member; a first lever to oppose the second actuation portion and swung by the second actuation portion when the second moving member contacts the second actuation portion; a support shaft provided on the first lever; a second lever to oppose the first actuation portion and swung about the support shaft by the first actuation portion when the first moving member drives the first actuation portion; and an actuator to oppose the second lever and connected to the switch, the second lever comprising: the first actuation portion to contact the second pivoting end of the second lever to swing the second lever toward the actuator when driven by the first moving member, the second actuation portion to swing the first lever to cause the first lever to move the second lever closer to the actuator when driven by the second moving member, the actuator driven by a combination of the swing of the second lever caused by the first moving member and the movement of the second lever caused by the second moving member so as to turn on the switch.