To cope with the width of an arbitrary base plate while strength of connecting parts for connecting side plates of a folding storing frame each other is insured.
This frame is provided with a pair of sheet pieces 12 and 12 arranged by facing mutually, at least two pairs of connecting materials 4 and 4 provided with hinges on both end parts and on the central part and connecting rotatably end parts of a pair of the sheet pieces 12 and 12 each other with hinges 7 and 7 on both end parts, a distance adjusting member 30 provided between hinges 8 and 8 of each central part of a pair of the connecting members on each pair of the connecting materials and stretchably formed so as to set arbitrarily the distance of hinges of the central parts each other.
KATSUURA NOBUO
IDEI TAKASHI
HORIUCHI TOMOTAKA
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