Binder construction

Details Binder construction Binder construction

1991-11-15

1992-10-27

Eley, Timothy V.

Binder device releasably engaging aperture or notch of sheet

Depository

Face member with back member

402 73, 402 31, B42F 1300

Patent

active

051583879

ABSTRACT:
A ring-type binder having a spine comprising inner and outer laminations of sheet material fixedly secured together in face-to-face relation, a ring-type binder element secured to the inner spine lamination by at least two (2) threaded fasteners extending through the inner spine lamination and through the binder element and secured in place by T-nuts, front and rear piano-type hinge elements secured to the front and rear edges of the spine inner lamination by through fastener elements, and front and rear covers fixedly secured to respective ones of the front and rear piano-type hinge elements by through fasteners, wherein the outer spine lamination is totally devoid of through fasteners and/or fastener openings and completely overlies and conceals the threaded fasteners used to secure the ring-type binder element and the through fasteners used to secure the front and rear hinge elements to the spine inner lamination.

REFERENCES:
patent: 1825360 (1931-09-01), McMillan
patent: 2246763 (1941-06-01), Schlosser
patent: 2365643 (1944-12-01), Martin
patent: 2891553 (1959-06-01), Acton
patent: 2976871 (1961-03-01), Potts

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