| 摘要 |
PROBLEM TO BE SOLVED: To provide a contact probe pin simplified in assembling and improved in reliability. SOLUTION: The contact probe pin has structure of pressure-contacting with an object to be tested where a plunger b having a spring f inserted into a cylindrical barrel a slides freely. In the contact probe pin, a stopper ring c is forced into the inner periphery of an edge of the barrel a for preventing omission from the barrel a of the plunger b, thus making a diameter of the inside of the barrel an uneven. COPYRIGHT: (C)2011,JPO&INPIT
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