| 摘要 |
The present invention provides a joint device comprising: a first fixing ring; a second fixing ring disposed to be spaced from the first fixing ring; an extending part having a bar extending from the first fixing ring toward the second fixing ring, and an end portion positioned at the end of the bar in the direction of the second fixing ring; a first flexure extending from the second fixing ring toward the first fixing ring and supporting the end portion; and a second flexure extending from the second fixing ring toward the first fixing ring, supporting the end portion, and positioned on the opposite side of the first flexure around the extending part. |
