| 摘要 |
A collapsible and portable bookstand, formed from a single elongated blank of light weight material, such as cardboard, transversely creased to form a plurality of foldable panels which are adapted to lock into a plurality of positions each of which is adapted for a different purpose such as holding and supporting an opened book in a rearwardly inclined position for ease of viewing, for use as a cover or support, for use as a folder for notepads, a hand-held support for such items as a note or sketch pad, a storage bin for books or like articles, a bookrack, a pen-pencil and ruler holder, a lectern, a study carrel, a clipboard easel for typists, a music stand, a projection screen prop or a technical drawing board prop.
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