| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary joint with a simple configuration and a small loss even at a high frequency. SOLUTION: This rotary joint 1 has 1st-3rd members 2, 4, 6. The 1st member 2 is formed to be a disk. The 2nd member has a recessed part 8 open to one side. The 1st member 2 covers the recessed part 8 to form a cavity. The center axis of the 1st member 2 passes through the inside of the cavity. The 3rd member 6 clamps the 2nd member 4 in cooperation with the 1st member 2 so that the 2nd member 4 is turnably around the center axis. A bolt connects the 1st member 2 and the 3rd member 6 attachably and detachably. A probe 30 is fitted to the 1st member 2. The probe 30 is intruded into the cavity through the center axis from the 1st member 2. A probe 34 is fitted to the 2nd member 4. The probe 34 is intruded in the cavity in parallel with the probe 30 from the 2nd member 4.
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