Patent ID: 8841572

Claim:
A switch device comprising: a first contacting portion including a first fixed contacting portion and a first movable contacting portion configured to contact the first fixed contacting portion; a second contacting portion including a second fixed contacting portion and a second movable contacting portion configured to contact the second fixed contacting portion, and provided to be adjacent to the first contacting portion, the first contacting portion and the second contacting portion being configured to be electrically connected to a power source such that directions of currents flowing between the first fixed contacting portion and the first movable contacting portion, and between the second fixed contacting portion and the second movable contacting portion are the same; and a magnet unit provided such that a first pole is positioned to face a first contacting area of the first fixed contacting portion and the first movable contacting portion, and a second pole, opposite to the first pole, is positioned to face a second contacting area of the second fixed contacting portion and the second movable contacting portion.