| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus that prevents bending of sections between slits of the mounting plate or dropping of lifting members including connection stems from the mounting plates due to the weight of a treated material beforehand, and safely and surely conducts treatment operation by improving structural faults of a mounting plate.SOLUTION: A number of insertion holes 4 with small-width edges are provided at appropriate intervals on a curved bottom 3 of a mounting plate 1 the entire side view of which is a nearly J shape, and upper end necks 6 of connection stems 5 are inserted into the insertion holes respectively. Caps 9 are arranged on both sides of the neck of the connection stem with the upper end in between, and a male screw 13 is inserted into the insertion hole of one of the caps arranged symmetrically, and then it is suspended in the other cap and a female screw 14 is fitted. |
