Adjustable reading bookstand

Supports – Easel; book – copy or music score holder

Reexamination Certificate

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Details

C248S445000, C248S457000, C248S451000

Reexamination Certificate

active

07083155

ABSTRACT:
A bookstand has a pivotally adjustable book holder having a frame with upper and lower book supporting plates slidable across each other to provide a book supporting surface of variable size for supporting spines and rear covers of open books of different sizes. The upper plate has a clasp for a central upper edge of an open book and the lower plate has a lower ledge supporting a lower edge of the book and formed with differently spaced sockets receiving plugs to trap open stacks of pages on both sides of an open book by engaging outermost pages exposed for reading, even when a reader is supine. Removing and transferring plugs between sockets releases trapped pages for turning and transfer of plugs between sockets accommodates progressive changes in cumulative total thickness of the stacks of pages on respective opposite sides of the book as the pages are turned during reading.

REFERENCES:
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patent: 5649683 (1997-07-01), Ahn
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patent: 5971343 (1999-10-01), Marlak
patent: 5979858 (1999-11-01), Bronson
patent: 6045107 (2000-04-01), Carlson
patent: 6220559 (2001-04-01), Chow
patent: 6250599 (2001-06-01), Goldberg
patent: 6367760 (2002-04-01), Pagano
patent: 2003/0160144 (2003-08-01), Guadagnini

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