Flanged cover with prongs for a ring binder assembly

Details Flanged cover with prongs for a ring binder assembly Flanged cover with prongs for a ring binder assembly

1998-10-08

2000-02-29

Fridie, Jr., Willmon

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

402 36, 402 75, 402 37, 402 39, 402 42, B42F 304

Patent

active

060301392

ABSTRACT:
A system for rivetless attachment of a ring binder assembly to a cover wherein an attachment portion including one or more prongs adapted to imbeddingly engage a cover substrate and a surface adapted to mate in facing relation with a surface of the cover is formed unitary with a confining spring cover plate of the ring binder assembly, the ring binder assembly being attached to the cover by forcing the attachment portion against it with sufficient force to drive the prongs into the substrate and hold the surface of the attachment portion firmly against the cover.

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