Supports – Easel; book – copy or music score holder – Knockdown or collapsible
Patent
1984-05-17
1985-10-01
Kittle, John E.
Supports
Easel; book, copy or music score holder
Knockdown or collapsible
248461, 248462, 428 12, 206 4524, A47B 9708
Patent
active
045441235
ABSTRACT:
A foldable easel for supporting sheet material includes three sheet members pivoted end to end for selective movement between a folded condition with the members in stacked parallel relation and an erected condition with the members in triangular relation. The free end of one of the two outer members has a lip for supporting the sheet material to rest against the upstanding sheet member in the erected condition. In one embodiment, a mating pin-and-hole connecting system is provided at the free ends of the outer members and at the ends of the intermediate member for permitting releasable connection of the members in either their erected or folded conditions. In another embodiment, one of the outer members has a perimetric border within which the other members are contained in the folded condition and which acts as the lip for engagement therewith of the other outer sheet member when in the erected condition. The outer sheet member which is upstanding in the erected condition may be provided with pivoted side portions for expanding the available surface area for use as a photographic slide projection screen or for additional sheet material support. Holes are provided along the side of at least one of the sheet members for receipt of the easel in a ringed binder.
REFERENCES:
patent: 489518 (1893-01-01), Ambruster
patent: 1180057 (1916-04-01), McNamara
patent: 1208622 (1916-12-01), Muller
patent: 2784929 (1957-03-01), Diening
patent: 3119194 (1964-01-01), Ray
patent: 3938772 (1976-02-01), Andrusiak
patent: 4213520 (1980-07-01), Sarna et al.
patent: 4467541 (1984-08-01), Pettersson
Kittle John E.
Saitta Thomas C.
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