Binder device releasably engaging aperture or notch of sheet – Depository – Face member with back member
Patent
1993-10-29
1995-08-29
Han, Frances
Binder device releasably engaging aperture or notch of sheet
Depository
Face member with back member
281 29, 402 73, B42F 1338
Patent
active
054454689
ABSTRACT:
This invention relates to a kit for assembly into a portfolio folder. The kit includes a separate first panel comprising a first rectangular sheet having a first elongate spline portion along a first side edge thereof delineated, from a remaining first rectangular portion of the first panel, by a hinge-forming scoreline parallel to the first side edge. The first spline portion has a longitudinally spaced plurality of first openings. The kit includes a like separate second panel comprising a second rectangular sheet having a second elongate spline portion along a second side edge thereof delineated, from a remaining second rectangular portion of the second panel, by a hinge-forming scoreline parallel to the second side edge. The second spline portion has a longitudinally spaced plurality of second openings. Elongate inner binding means are provided for retaining one side edge of bound sheet material in an assembled portfolio between the first and second panels. The binding means have a longitudinally spaced plurality of inner detent means. An elongate outer spline member coacts with the inner binding means and has a longitudinally spaced plurality of outer detent means engagable with a plurality of the inner detent means. The first and second openings are spaced to align with the inner and outer detent means engagable through pairs of first and second openings in mutually overlapping sections of adjacent first and second spline portions.
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