| 摘要 |
PROBLEM TO BE SOLVED: To provide a plate containing frame in which clearance can be adjusted in a short time. SOLUTION: Left and right opposite side plates 1 and 1 are provided, in the opposite inner surfaces thereof, with a plurality of supporting grooves 8,... corresponding to each other and means for adjusting the interval of the left and right side plates 1 and 1 is provided. In such a plate containing frame, at least one of the opposite inner surfaces of the side plates 1 and 1 is provided with an adjusting protrusion 55 projecting slightly inward from the supporting groove 8.
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