| 摘要 |
PURPOSE: A book supporter is provided to read books comfortably in varied occasions by adjusting the size by the thickness of a book. CONSTITUTION: The book supporter includes a book clamp(40), a fastener screw(S), a screw hole(11), a folding hole(12), a holder unit(10), an installation hole(21), a long hole(22), a page fixing bar(31), a nut(N), an adjusting knob. The edge of the page fixing bar(31) combines with the long hole(22) in a knob unit(20). A page fixing unit includes adjusting knob connected by the nut(N). A main frame(52) includes the knob unit(20) and an assembling part(51) with the installation hole(23).
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