Patent ID: 7129434
Filing Date: 2006-10-31
Classification: H01H

Abstract:
1. An electrical contact device comprising: a first contactor including a first contact portion and a second contact portion; a second contactor including a third contact portion facing the first contact portion and a fourth contact portion facing the second contact portion; and an electrical circuit including a first branch path and a second branch path disposed in parallel to each other, the first branch path having a first electrical contact provided by the first contact portion and the third contact portion, the second branch path having a second electrical contact provided by the second contact portion and the fourth contact portion, the first branch path having a smaller resistance in a closed state of the first electrical contact, the second branch path having a greater resistance in a closed state of the second electrical contact, wherein the first contact portion and the third contact portion make contact with each other after the second contact portion and the fourth contact portion make contact with each other in a closing operation in which the first contactor and the second contactor come closer to each other, and the second contact portion and the fourth contact portion come apart from each other after the first contact portion and the third contact portion come apart from each other in an opening operation in which the first contactor and the second contactor move away from each other.