Supports – Easel; book – copy or music score holder – Adjustable operative size
Patent
1984-04-02
1986-09-09
Machado, Reinaldo P.
Supports
Easel; book, copy or music score holder
Adjustable operative size
248464, A47B 9708
Patent
active
046104143
ABSTRACT:
An upright standard including a center work holder rack providing means of mounting two horizontal workpiece support holders that can readily secure workpieces of a differet height. The work holder rack and workpiece so retained may be readily adjusted to a selected working or display height by means of a unique rack support that permits height adjustments quickly and positively. The standard is supported in an upright position by rear legs with means of adjusting the working angle and which are collapsible to allow the easel to be reduced to a compact unit for storage and shipment.
REFERENCES:
patent: 374116 (1887-11-01), Cross
patent: 396362 (1889-01-01), Marks
patent: 544083 (1895-08-01), Beyer
patent: 1415602 (1972-05-01), Meyer
patent: 3809354 (1974-05-01), Phifer
patent: 3926398 (1975-12-01), Vincent
patent: 4109892 (1976-08-01), Hartung
Chin-Shue Alvin
Machado Reinaldo P.
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