Filler cradle for looseleaf ringbinders

Details Filler cradle for looseleaf ringbinders Filler cradle for looseleaf ringbinders

1978-05-18

1980-01-29

McQuade, John

Binder device releasably engaging aperture or notch of sheet

Miscellaneous

Sheet lifters

402 24, B42F 700

Patent

active

041859340

ABSTRACT:
A deformable cradle, after reposit in, and beneath the looseleaf filler of, a ringbinder notebook, assists collection of the filler whenever the open ringbinder is closed. The cradle designs fit ringbinders employing two or more rings and accommodate ring widths from about one to three inches (25 to 75 mm). A binary guide is described; unitary cradles are shown and described; a cradle is shown and described as employing an independent centering means attached; methods and materials are shown and described for effecting dependent connections of a cradle to the spine of a ringbinder, both permanently and removably. Improvement resides in ability of a cradle to usher the filler out of the troughs under the ringbinder rings where filler stock is prone to catch and bind during ringbinder closure.

REFERENCES:
patent: 791296 (1905-05-01), Shepherd
patent: 2090231 (1937-08-01), Raynolds
patent: 2453459 (1948-11-01), Roberts
patent: 2639713 (1953-05-01), McKowen
patent: 3306301 (1967-02-01), Mason
patent: 3493310 (1970-02-01), Orth et al.

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