| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixture for easy accurate attachment of a rale member onto a rack.SOLUTION: A fixture comprises a first unit to a forth unit. The first unit is detachable against a first support pillar, and includes a first emission part to emit a laser beam toward a second pillar side, and a second emission part to emit a laser beam toward a third piller side. The second unit includes: a first light receiving part to detect delivery of the laser beam emitted from the first emission part; and a first shield plate to allow a rail member to be attached on the second pillar on detecting the laser beam. The third unit includes a second shield plate to allow the rail member to be attached on the third pillar on receiving the laser beam emitted from the second emission part. The fourth unit includes a third shield plate to allow the rail member to be attached on a fourth pillar on receiving the laser beam emitted from a third emission part. |
