| 摘要 |
PROBLEM TO BE SOLVED: To provide a support device of a connector box which can raise and lower the connector box by a simple constitution. SOLUTION: A lifting member 3 having the other right side plate portion which is fixed on the wall surface of a handhole H which is formed in the earth and is opened upward, and is face opposite to one right side plate portion 5, a left protrusion portion 21a which projects from the other left side plate portion 4 and faces to the inside of a vertical guide part 11, and a right protrusion portion which projects from the other right side plate portion and faces to the inside of the vertical guide part 11 is included, and in this lifting member 3, the left protrusion portion 21a and the right protrusion portion rise with being guided by the vertical guide part 11, pass through a horizontal guide part 12, and is secured by a securing portion 13 to be supported. COPYRIGHT: (C)2004,JPO
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