Window index system for ring binders

Details Window index system for ring binders Window index system for ring binders

1985-03-08

1986-03-04

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Depository

Face member

402 80L, 402 80P, 402503, 281 38, 283 42, B42D 1300, B42D 1104, B42D 2100

Patent

active

045738211

ABSTRACT:
A ring binder-based filing system including enhanced prime storage areas for storing content or information records such as an index, table of contents, glossary, or the like. The two prime storage areas in a ring binder, the Home location inside the front cover and the End location inside the rear cover, are fully exploited by providing means for displaying and protecting the underlying information records while facilitating easy replacement or updating of information records, and by providing a means for rapid access to these prime locations. Two transparent windows are provided at each prime location, one hinged to the respective cover and retained by a magnetic latch system, and the other secured to the binder rings. A Homing Tab extends from an edge of the windows secured to the binder rings and facilitates return from any internal storage location back to either one of the prime locations.

REFERENCES:
patent: 675909 (1901-06-01), Shepherd
patent: 970399 (1910-09-01), Sawyer
patent: 2068262 (1937-01-01), Brown
patent: 2693370 (1954-11-01), Wheatley
patent: 2704546 (1955-03-01), Slonneger
patent: 2784757 (1957-03-01), Bosca
patent: 3092400 (1963-06-01), Smith
patent: 3208772 (1965-09-01), Dahlstrand et al.
patent: 3700264 (1972-10-01), Friedman
patent: 3719161 (1973-03-01), Wegner
patent: 3877729 (1975-04-01), Friedman
patent: 3965599 (1976-06-01), Ebner
patent: 4315697 (1982-02-01), Horowitz

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