Supports: cabinet structure – Knockdown or setup type – Foldable
Patent
1995-01-06
1997-04-15
Cuomo, Peter M.
Supports: cabinet structure
Knockdown or setup type
Foldable
206 4521, 206 4529, 229115, A47B 4300, B65D 552
Patent
active
056202431
DESCRIPTION:
BRIEF SUMMARY
This invention relates to filing and storage systems, such as box files and index card boxes and particularly to systems of this kind which are designed to facilitate "self assembly".
It is particularly, although not exclusively, concerned with filing and storage systems of the kind disclosed in our prior International Patent Application, Publication Nos. 90/05643 and 92/00857. These applications are concerned with filing and storage systems which provide various configurations of files and file boxes, and the present invention seeks to provide further improved configurations of articles of this kind.
According to a first aspect of the invention there is provided a blank for constructing a box file, card index box, or the like which, in the made up form, comprises a pair of similar half shells hinged together along a common edge, the blank including a pair of base members each having outwardly extending side portions on at least three sides which can be bent up to form side walls, with the said side portions on each pair of adjacent sides being joined by an inwardly foldable connection section which is adapted to form a closed corner when the blank is folded into shape.
Preferably the two half shells are "mirror images" of one another and each has a pair of opposite end walls which are triangular so that the closed box exhibits a "diagonal cut" line across each end where the triangular walls meet. This construction has the particular advantage, in use, that papers can be retained in either half of the box when it is open, and are not likely to fall out because each half shell has retaining walls around three sides.
The term "half-shells" is used herein to describe the two halves of a box structure which when suitably positioned next to one another, form an enclosed box. Where these are described as being "mirror-images", this implies that they are (for example) identical shapes, or complementary shapes which are reversed right-to-left, so that they can in any case fit together to form a complete box. In cases where the complementary half shells have one wall on each side which is triangular, the resulting box structure will therefore exhibit corresponding sides which are diagonally divided from one corner to an opposite corner, this appearance being referred to herein as a "diagonal cut" line.
Preferably, the blank is so shaped that the inwardly folded section at each corner is retained in position by folding over it, a further outwardly extending flap portion on one of the adjacent sides.
A preferred form of the invention provides a blank for constructing a box file, which, in the made up form, comprises a pair of similar "half shells" hinged together along a common edge, each half shell comprising a tray like member having a base with an upstanding side wall extending along one edge, and two opposed end walls in the form of right angle triangles, the two half shells being hinged together along a line which defines the top edge of the upstanding side wall of one half shell, and the edge of the base which is opposite the upstanding side wall, of the other half shell, so that when closed, the end walls of the box show a diagonally extending line at the junction of the two half shells; the blank comprising: of the first rectangular portion, and each being so shaped as to be foldable to form one of the said triangular end walls; side of the first rectangular portion, and being narrower than the said first portion so as to form one upstanding side wall; of the second rectangular portion, and each of which has one side in common and connected to one corresponding side of the adjacent first "double triangular" flap; portion, and adapted to form the base of the other half shell and thus the opposite side of the box; and of the said third rectangular portion and each being so shaped as to be foldable to form one of the said triangular end walls; said second rectangular portion; and at one end of the said fourth rectangular portion, and is connected by one of its other edges to the adjacent edge of the correspondin
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Cuomo Peter M.
Hansen James O.
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