Supports – Easel; book – copy or music score holder – Adjustable operative size
Patent
1979-06-28
1981-04-07
Schultz, William H.
Supports
Easel; book, copy or music score holder
Adjustable operative size
248460, 403 94, 403346, A47B 4708
Patent
active
042601240
ABSTRACT:
A folding easel is provided wherein the two uprights of the easel are provided with complementary mortises or notches which hold the two uprights together at a fixed angle when the two uprights are held together with a clamp. The clamp means can be released, allowing the two uprights to be held in a parallel relationship for transportation or storage.
REFERENCES:
patent: 1218790 (1917-03-01), McCarthy
patent: 3396933 (1968-08-01), Ward
patent: 3927950 (1975-12-01), Herrman et al.
Schultz William H.
Slick Robert G.
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