Supports – Easel; book – copy or music score holder – Mounted on wall or art device
Patent
1991-04-05
1993-06-22
Chin-Shue, Alvin C.
Supports
Easel; book, copy or music score holder
Mounted on wall or art device
248454, 248458, A47B 2300
Patent
active
052210707
ABSTRACT:
The invention relates to an adjustable support arm and assembly at the side of a chair, capable of holding a book in position for reading. The apparatus uses a free standing cabinet at the side of the chair as a support structure for the rest of the system. A book holding assembly is in connection with an upright shaft having annular grooves that rotates and moves vertically within the central channel of a support block that is attached to the framework. A spring biased latch plate secures the shaft at a vertical position by engaging with one of the annular grooves of the shaft. The support block moves horizontally along a rail connected to the framework. Rotational and pivoting movements are also possible to allow a wide variety of book positions.
REFERENCES:
patent: 368388 (1887-08-01), Drake
patent: 533619 (1895-02-01), Stuebing
patent: 646835 (1906-07-01), Jackson
patent: 766890 (1904-08-01), Newberg
patent: 1037140 (1912-08-01), French
patent: 2747322 (1956-05-01), Eggher
patent: 4503981 (1985-03-01), Coronado
patent: 4754945 (1988-07-01), Diamond
Chin-Shue Alvin C.
Halvonik John P.
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