| 摘要 |
PROBLEM TO BE SOLVED: To provide a contact probe formable in a thin diameter while maintaining resiliency and durability of a coil spring, capable of minimizing the length while securing expandability, and contacting with a terminal of, for example, an electronic part. SOLUTION: A male shaft 2 is inserted into a guide hole 31 formed in a female shaft 3 so as to be capable of advancing and retreating. One end 4a of a compression coil spring 4 for surrounding the male shaft 2 is locked on a head part 24 of the male shaft 2. The other end 4b is locked on a step part 32 formed on the female shaft 2. In this contact probe 1, when axial directional external force turning in the female shaft 3 direction is applied against energizing force of the spring 4 to the male shaft 2, the male shaft 2 is further deeply inserted into the guide hole 31 so that the total length is shortened.
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