Ring binder
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United States of America Patent
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-
Aug 26, 1997
Grant Date -
N/A
app pub date -
Mar 31, 1995
filing date -
Mar 31, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ring metal for a ring binder having a pair longitudinally arranged leaves partially surrounded an clasped by a resilient metallic shield and a plurality of openable rings having base ends connected to the leaves such that relative angular orientation of the leaves corresponds to an open or closed condition of the rings. By shaping and arranging the rings with respect to the leaves such that the closed condition of the rings corresponds to the relative angular orientation of the leaves being 180.degree. or less measured on a side of the leaves opposite the rings, results in the rings always being urged to the open condition whether open or closed. At least one of the rings provides a hook formation to lock rings halves of at least one ring to lock the rings and leaves in the closed orientation.
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