Multiple use study device

Details Multiple use study device Multiple use study device

1977-01-12

1978-08-08

Bonck, Rodney H.

Supports

Easel; book, copy or music score holder

Folded blank

211 42, 248174, A47B 9708

Patent

active

041051823

ABSTRACT:
A collapsible and portable bookstand, formed from a single elongated blank of light weight material, such as cardboard, transversely creased to form a plurality of foldable panels which are adapted to lock into a plurality of positions each of which is adapted for a different purpose such as holding and supporting an opened book in a rearwardly inclined position for ease of viewing, for use as a cover or support, for use as a folder for notepads, a hand-held support for such items as a note or sketch pad, a storage bin for books or like articles, a bookrack, a pen-pencil and ruler holder, a lectern, a study carrel, a clipboard easel for typists, a music stand, a projection screen prop or a technical drawing board prop.

REFERENCES:
patent: 1312379 (1919-08-01), Adams
patent: 2222665 (1940-11-01), Hoenigsberg
patent: 2252571 (1941-08-01), Kohn
patent: 2490356 (1949-12-01), Hummel
patent: 2726835 (1955-12-01), Hummell
patent: 3041774 (1962-07-01), Walker
patent: 3207320 (1965-09-01), Nichols
patent: 3305205 (1967-02-01), Frankl
patent: 3450420 (1969-06-01), Smith
patent: 3620552 (1971-11-01), Woodcock et al.
patent: 3990669 (1976-11-01), Smith

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