Supports – Easel; book – copy or music score holder – With adjustable inclination
Patent
1991-07-24
1992-07-14
Chin-Shue, Alvin C.
Supports
Easel; book, copy or music score holder
With adjustable inclination
2484441, 248445, 248446, 248453, 248464, A47B 2300
Patent
active
051296160
ABSTRACT:
A highly adjustable and simple to use book holder for supine or seated readers is provided by pairs of legs joined near their tops by slotted brackets, which pairs of legs define vertical planes straddling the reader. The slotted brackets allow the relative positions of the upper ends of the support legs to be adjusted. A book tray defining a transverse plane extends between the vertical planes formed by the leg pairs. Its location changes as the leg coupling brackets are adjusted. The tray rotates around an axis extending through holes near the upper ends of one or the other of the legs making up each pair. The variable position of the upper ends of the legs due to the slotted brackets, the rotatable tray, and the variable angle between the legs of each pair permit the position and orientation of the book relative to the viewer to be adjusted at will. A transverse auxiliary support brace is optionally provided between the outward legs of each pair to support the book holder on the thighs of a seated person.
REFERENCES:
patent: 1899404 (1933-02-01), White
patent: 4116413 (1978-09-01), Andersen
patent: 4119289 (1978-10-01), Kanocz
patent: 4313589 (1982-02-01), Vega
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