Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1995-08-21
1996-12-24
Fridie, Jr., Willmon
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
281 38, A47B 2300
Patent
active
055867863
ABSTRACT:
A foldable cover is made of recyclable polypropylene. The cover has an outer movable plate, a positioning plate and an inner movable plate. The outer movable plate extends from one side of the positioning plate. The inner movable plate extends from the other side of the positioning plate. A crease line which is disposed at the outer edge of the inner movable plate defines a foldable outer end edge. A plurality of transparent envelopes are positioned by the positioning plate. Two reinforced ribs which are made of steel wire are imbeded in two longer side edge portions of the foldable cover. The reinforced ribs are enwrapped by soft plastic cloth with woven designs. The foldable outer end edge is turned upward to fasten the outer end edge of the outer movable plate. The inner movable plate becomes a bottom plate. The outer movable plate and the positioning plate are inclined.
REFERENCES:
patent: 3270449 (1966-09-01), Robbie
patent: 4213520 (1980-07-01), Sarna et al.
patent: 4240761 (1980-12-01), Jacobson
patent: 4377271 (1983-03-01), Smith
patent: 5251935 (1993-10-01), Bottiglieri
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