Supports – Easel; book – copy or music score holder – Mounted on wall or art device
Patent
1990-04-23
1991-03-12
Smith, Gary L.
Supports
Easel; book, copy or music score holder
Mounted on wall or art device
248461, 248446, A47B 9704
Patent
active
049987038
ABSTRACT:
An improved bookholder comprises a lower part, which has a base member and upstanding, spaced, front and rear walls, and an upper part, which has a top member and spaced depending left and right side walls. The upper part is adapted to provide a complementary fit with the lower part so as to form a box-like structure. One or more hinges connect the top member with the rear wall, and a retaining strip clamped between the top member and rear wall lock the upper part in position.
The side walls are pivotally attached near their centers to the top member by thumb screw tightened pivot pins for orientation into parallel spaced relationship, a mutually perpendicular position and a mutually co-planar position for temporarily re-orientating and fixing said side walls on said top member to provide ledges for holding a book.
REFERENCES:
patent: 898692 (1908-09-01), Shepard
patent: 1051047 (1913-01-01), Wood
patent: 1079033 (1913-11-01), Steinhoff
patent: 1666803 (1928-04-01), Walker
patent: 2489553 (1949-11-01), Wofford
patent: 2732481 (1956-01-01), King
patent: 3424283 (1969-01-01), Sheldon
patent: 4093326 (1978-06-01), Ford
patent: 4323214 (1982-04-01), DeLuca
patent: 4421933 (1984-09-01), Nelson
patent: 4896252 (1990-01-01), Stewart
Crutcher William C.
Milano Michael J.
Smith Gary L.
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