| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable the movement of a door structure from door grooves of a pair of support structures to the outside or from the outside to the door grooves without using a heavy machine such as a crane. <P>SOLUTION: This maintenance moving apparatus for a vertically opened/closed gate includes moving rails 21, a moving truck 22, and an a moving device 23. The moving rails 21 are laid on a pair of support structures 2 in a range from door grooves 11 to the outside. The moving truck 22 is movably mounted on the moving rails 21. The moving device 23 is mounted on the moving truck 22. As a result, a door structure 3 can be moved from the door grooves 11 of the pair of support structures 2 to the outside or from the outside to the door grooves 11 without using a heavy machine such as a crane. <P>COPYRIGHT: (C)2013,JPO&INPIT |
