| 摘要 |
A multi-sided playpen having a frame structure comprising upper corner hinge brackets pivotally interconnected by a plurality of substantially centrally hinged railings with a plurality of X-shaped structures, pivoted substantially at their center points interconnecting the upper corner hinge brackets to a like number of lower corner hinge brackets so that the entire structure is collapsable. A releasable locking means is connected between each of X-shaped structures and said centrally hinged railings, and a flexible liner is supported within the playpen.
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