D ring binder
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United States of America Patent
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-
Jul 26, 1994
Grant Date -
N/A
app pub date -
Sep 23, 1991
filing date -
Sep 23, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ring binder having D-shaped rings wherein the rings, when opened, position a generally straight leg of the D-shape in a vertical orientation with respect to a horizontal bottom cover panel of the binder. The straight leg has a short turned end portion which allows for simple vertical loading of pages onto the rings. The arrangement provides for greater efficiency at loading multiple pages onto a ring binder in the factory, as well as replacing pages in the ring binder by the consumer. A plurality of D-shaped rings can be used in an arrangement wherein the ring carrier can be mounted on the bottom cover, rather than mounted onto a spine panel of the ring binder. By arranging the ring carrier on the bottom cover rather than the spine, the top and bottom cover members can be made of shorter width, resulting in a savings of material of manufacture.
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