| 摘要 |
PROBLEM TO BE SOLVED: To provide an alignment tool capable of accurately aligning a subject in a photographing focus area, reducing an operation range of an X-ray generator and a detector, and simplifying a drive mechanism, and to provide an X-ray photographing device having the alignment tool.SOLUTION: An alignment tool 100 is configured so as to include a support unit 110 rotatably connected to a tool installation base that supports the alignment tool 100, and a tool unit 120 rotatably connected to the support unit. The support unit is configured so as to include a link frame 111 for connecting the tool installation base and the tool unit and supporting the tool unit, a first joint 110a for rotatably connecting one side of the link frame to the tool installation base, a second joint 110b for rotatably connecting the tool unit to the other side of the link frame, and a third joint provided between the first joint and the second joint so that the link frame is folded. |
