Supports – Easel; book – copy or music score holder
Patent
1987-07-29
1988-11-01
Ramirez, Ramon O.
Supports
Easel; book, copy or music score holder
248174, 248176, 2482065, 248447, A47B 1900
Patent
active
047813555
ABSTRACT:
A holder for selectively manipulating small format flat objects and large format flat objects comprises a support assembly adapted to pivot between two stable positions. This assembly is formed by first and second members attached perpendicularly to respective opposite sides of a third member. The first and third members form an L-shaped support for large format objects in one of the two stable positions. The second and third members form a T-shaped assembly. A base has an inclined end portion on which the support assembly is pivotally mounted at a point between the second member and the point at which the first member and the second member are attached together. As a result, the support assembly pivots about an axis which is substantially coincident with the intersection of the second and third members. A first of the two stable positions is defined by an abutting relationship between the inclined end portion of the base and the second member. In this position the L-shaped support is at the end of the base, facing the user. The second of the two stable positions is defined by an abutting relationship between the inclined end portion of the base and the part of the second member to which the first member is attached. In this position the half of the T-shaped assembly to which the first member is not attached is at the end of the base, facing the user and forming a support for the small format objects. Selectively operable first and second locking devices lock the support assembly into the two stable positions. They comprise magnets adapted to hold the second member and the third member against the end portion of the base.
REFERENCES:
patent: Re28927 (1976-08-01), Karper
patent: 1253568 (1918-01-01), Bartlett
patent: 1266444 (1918-05-01), Fosberg et al.
patent: 2612721 (1952-10-01), Pollard
patent: 3003626 (1961-10-01), Richards et al.
patent: 4300743 (1981-11-01), Morris
patent: 4422613 (1983-12-01), Cray et al.
patent: 4456128 (1984-06-01), Warshaw
Companie Generale d'Automatisme CGA-HBS
Ramirez Ramon O.
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