| 摘要 |
A portable collapsible platform having a platform, with a mounting edge, a support frame swingably mounted to the mounting edge of the platform and being swingable between a more or less nested portable position closely adjacent the platform, and an extended more or less vertical position, attachments for attaching the support frame to a structure above the ground, flexible strain elements extending between the support frame and the platform to hold the platform, when it is extended, generally horizontal, and, teeth on the mounting edge of the platform, for engaging the structure.
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