| 摘要 |
An X-ray image receiver is supported through a guide mechanism on a support bench. The guide mechanism consists of a pair of first guide members, a pair of first sliding members, a pair of second sliding members, a pair of third sliding members, a pair of second guide members, and a rotation link member. The first guide members, which are disposed opposite to each other, extend on top of the support bench along the shorter side of the tabletop. The first sliding members are slidably installed on the inside of the first guide members. The second sliding members are slidably installed on the inside of the first sliding members. The third sliding members are secured to the sides of the X-ray image receiver. The second guide members are installed on the outside of the third sliding members. The rotation link member rotatably links the second guide members with the second sliding members. Using a lock lever, the third sliding members are locked so that they do not slide with respect to the second guide members. Thus the X-ray image receiver can move along the shorter side of the tabletop. In addition, the receiver can be changed to a vertical position, and its height can be adjusted. This, in turn, means that the radiographic region covered by the radiation image receiver can properly be adjusted suitably for a test subject and a radiographic method.
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