| 摘要 |
<p>PROBLEM TO BE SOLVED: To make effective use of a dead space in a container for reduction in the size of a switch and simplification of its structure, by forming a protruding part into a donut shape at the surface of either of a turnable movable contact or a contact surface of the contact with its base part. SOLUTION: A protruding part 7 is formed into a donut shape at movable contacts 5a-5c. Therefore even if movable contacts 5a-5c incline, for example, in putting the movable contacts 5a-5c to a stationary side electrode, a contact condition between the movable contacts 5a-5c and movable side conductors 4a-4c is maintained positively. As a result, any no-contact condition will not occur. The surface pressure of a contact surface is necessarily higher than in the case of no protruding part 7. As a result, when the movable contacts 5a-5c are put to the stationary side electrode, they are put in an inclined condition if misalignment occurs between them. The protruding part formed into a donut shape provides little change in a contact condition on the way, and a very small change occurs if any.</p> |
