| 摘要 |
In a switch device, such as a horn switch device attached to a steering wheel, a water column is prevented from being formed between contact sections of a pair of contact points facing each other. A movable member (30) and a fixed member (40) of a horn switch device (20) are disposed in an opposed manner such that the movable member (30) on an upper side can be moved toward and away from the fixed member (40) on a lower side and such that it is urged upward by urging means (50). Furthermore, at least a pair of protruding contact points (35) and (45) are formed on the movable member (30) and the fixed member (40), at positions facing each other. By bringing them into contact with each other, the members (30) and (40) are electrically connected, closing a horn circuit. A rivet (46), serving as a contact section, is attached to a tip portion of the fixed contact point (45) on the lower side, and an opening portion (36) is provided in the movable contact point (35) on the upper side, the outer peripheral side of which is made to serve as a contact section to be brought into contact with the rivet (46).
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