Ring binder assembly

Details Ring binder assembly Ring binder assembly

1998-01-30

1999-10-12

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 26, 402 31, 402 73, 281 36, B42F 304

Patent

active

059645440

ABSTRACT:
A ring binder assembly includes a folder comprising front and rear flaps interconnected by a spine, a pair of low-profile receptacles attached to an inner surface of the spine, and a ring mechanism whose tubular rivets have mushroomed feet designed to be seated in the receptacles. The receptacles open in opposite directions so that the ring mechanism is installed with a swiveling motion. A method of shipping the binders, unassembled, is to place a stack of a number of folder opened flat in a box, leaving just sufficient head space for a corresponding number of ring mechanisms arranged side-by-side in a single row at the top of the box. The binder assemblies can be quickly completed by the retailer, or by the end purchaser.

REFERENCES:
patent: 4552478 (1985-11-01), Cohen
patent: 5882135 (1999-03-01), Ko

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