| 摘要 |
A folding door, partition or the like where each articulated panel is provided on its opposite side edges with a series of vertically aligned spaced-apart bead moldings interengageable with corresponding bead moldings of an adjacent panel by means of a snap-in locking movement; a semispheric seat provided on the upper edge of one bead molding of one panel receives the rounded head of a spring-biased plunger provided in and slidable in and out of the lower edge of the bead molding of the adjacent panel.
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