| 摘要 |
One of a pair of elongate rigid handle members is carried along either lateral edge of an elongate flexible sheet. A generally cylindrical shape is imparted to the flexible sheet by a laminatively affixed reinforcing strap, which extends between the handle members. A handle structure is formed in response to engagement means detachably connecting the handle members in longitudinal juxtaposition. The apparatus is supported by angularly spaced legs extending from the sheet.
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