Electric contact device
First Claim
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.
1 Assignment
0 Petitions
Accused Products
Abstract
An electrical contact device (X1) includes a first contactor with contact portions (C1, C2) and a second contactor with contact portions (C3, C4). The device (X1) also includes an electrical circuit having a branch path (YA) provided by the contact portions (C1, C3) and a branch path (YB) provided by the contact portions (C2, C4). When closed, the branch path (YA) has a smaller resistance, and the branch path (YB) a greater resistance. In a closing operation, the first and second contactors approach each other. Then the contact portion (C1) and the contact portion (C3) contact with each other after the contact portion (C2) and the contact portion (C4) contact with each other. In an opening operation, the first and second contactors separate from each other. Then the contact portion (C1) and the contact portion (C3) separate after the contact portion (C2) and the contact portion (C4) separate.
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Citations
17 Claims
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1. An electrical contact device comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electrical contact device comprising:
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a first contactor including a plurality of first contact portions and a plurality of second contact portions; a second contactor including a plurality of third contact portions each facing one of the first contact portions and a plurality of fourth contact portions each facing one of the second contact portions; and an electrical circuit including a plurality of first branch paths and a plurality of second branch paths disposed in parallel to each other, each of the first branch paths including a first electrical contact provided by the first contact portion and the third contact portion, each of the second branch paths including a second electrical contact provided by the second contact portion and the fourth contact portion, each of the first branch paths having a relatively small resistance in a closed state of the first electrical contact, each of the second branch paths having a relatively large resistance in a closed state of the second electrical contact, wherein the first contact portions and the third contact portions of all the first electrical contacts make contact with each other after the second contact portions and the fourth contact portions of all the second electrical contacts 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 portions and the fourth contact portions of all the second electrical contacts come apart from each other after the first contact portions and the third contact portions of all the first electrical contacts come apart from each other in an opening operation in which the first contactor and the second contactor move away from each other. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification