| 摘要 |
PROBLEM TO BE SOLVED: To hold three pieces of side plated under a semi-assembled condition where they are stably fixed on a bottom plate by connecting a guide member and a movable side plate with a wedge member removable in the horizontal direction and fixing two movable plate and an auxiliary side plate with an internal fixing bolt. SOLUTION: Under a condition where a movable side plate 12 is mover in the horizontal direction and wedge parts are fit with each other, one of the movable side plate 12 and an auxiliary side plate 13 is fixed to the movable side plate 12 with an internal fixing bole 32 and fitting of the wedge members of the movable side plate 12 is prevented from moving in the detached direction. In addition, between two movable side plates 12 and one auxiliary side plate 13, internal screw holes are provided between fitting members 25 and 25 provided on both end faces both are strongly connected with each other with an internal fixing bolt 32 being an internal fixing means screwed in the internal screw holes to stably obtain a semi-assembly condition were only two movable side plates 12 and one auxiliary side plate 13 are connected on the bottom plate.
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