| 摘要 |
A pin plug is a connector which is inserted into a jack etc. In the pin plug, a cylindrical sleeve portion and an insulator body for fixing the sleeve portion and a metal center pin are integrally formed with rigid resin to form an insulator. Moreover, a flexible metal contact piece is attached to an opening portion formed at a part of the sleeve portion, and a non-rigid resin cover engages the outside of the insulator and the contact piece. When the thus constructed pin plug is inserted into a jack, a good electric contact state can be obtained between the pin plug and jack owing to the resiliency of the contact piece and the cover, and the pin plug can be inserted into or extracted from the jack with ease.
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