Supports – Easel; book – copy or music score holder – With adjustable inclination
Patent
1986-05-06
1987-10-13
Ramirez, Ramon O.
Supports
Easel; book, copy or music score holder
With adjustable inclination
108 90, 248456, A47G 124
Patent
active
046993460
ABSTRACT:
A collapsible flow control art easel comprises a base plate which is mounted on the under-side of an art board and which includes spaced apart apertures. A retaining plate mounted on a tripod such as the type commonly used by photographers has two spaced apart guide members with lips that interlock with rims of the base plate adjacent the apertures. The retaining plate also carries a pivotal lever arm having a flange movable into and over a rim of a third aperture of the base plate, in order to releasably lock the base plate to the retaining plate. The guide members have exterior, laterally converging guide surfaces which engage converging lateral rims of the base plate for aligning the latter to the retaining plate. A multi-pivotal support assembly, including the tripod, enables movement of the base plate and the art board carried thereon in a path defined by a reference line extending transversely through the base plate and sweeping an imaginery, inverted cone.
REFERENCES:
patent: 3623691 (1971-11-01), Albee
patent: 3899164 (1975-08-01), Newman
patent: 4163539 (1979-08-01), Awofolu
patent: 4546942 (1985-10-01), Winchel
patent: 4570887 (1986-02-01), Banister
patent: 4582285 (1986-04-01), Bello
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