| 摘要 |
<p>The plunger used in a solenoid that is symmetric about an axis is provided with: a first portion, which is mated with the solenoid to be slidable and comprises a magnetic material, assuming a circular shape around the axis and having a first edge and, on the side opposite from the first edge in the direction of the axis, a second edge; a second portion, which is mated with the first part and comprises a non-magnetic material, provided with one or more claw portions that extend from a first edge portion on the first edge along the axis; and a plurality of staked portions that deform plastically from the second portion to overlap with the second edge in order to prevent the first portion from being displaced in a direction along the axis.</p> |
