Supports – Easel; book – copy or music score holder – With adjustable inclination
Patent
1983-03-21
1985-10-15
Machado, Reinaldo P.
Supports
Easel; book, copy or music score holder
With adjustable inclination
A47G 124
Patent
active
045469482
ABSTRACT:
A guide is affixed to the lower surface of a tablet. A rail is reciprocally movable in the guide in a plane parallel to the lower surface of the tablet. A strut is affixed to the rail and extends perpendicular to the plane of the lower surface of the tablet to support the tablet at an angle to the surface. The longitudinal axis of the strut is substantially perpendicular to the longitudinal axis of the rail and substantially parallel to the plane of the lower surface of the tablet.
REFERENCES:
patent: 264995 (1882-09-01), Armstrong
patent: 655284 (1900-08-01), Thiers
patent: 685458 (1901-10-01), McIntyre
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patent: 1079033 (1913-11-01), Steinhoff
patent: 2687932 (1954-08-01), Hokanson
patent: 2755152 (1956-07-01), Calgy
patent: 3393846 (1968-07-01), Cannon
patent: 3920213 (1975-11-01), Hanson
patent: 4032099 (1977-06-01), Maude
Chin-Shue Alvin
Machado Reinaldo P.
Rosen Daniel M.
Summagraphics Corporation
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