| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable and convenient board providing a book or the like with stability to eliminate an instable state when a person opens the book or a reference book, writes out data or the like or draws a picture on a sketchbook on the laps in a seat in a train or the like. SOLUTION: The portable, convenient and simple board on the laps comprises a single board, a foldable stopper 2 for preventing the book or the like from moving from the right place and provided on the surface and a foldable step 5 capable of adjusting a tilting angle and provided on the back, allowing the person to easily read the book or the reference book or write letters as well. When he uses the board at an appropriate tilting angle on a desk, he can easily read the book. COPYRIGHT: (C)2006,JPO&NCIPI
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