Binder locking ring mechanism with configured trigger
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United States of America Patent
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-
Nov 26, 1991
Issued Date -
N/A
app pub date -
Nov 5, 1990
filing date -
May 8, 1989
priority date (Note) -
Expired
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Abstract
A loose-leaf binder having a casing and prong-carrying spring plates and having a mechanism for readily locking and unlocking the prongs through use of a trigger including pivot projections for pivoting on and in plate apertures. Locking is accomplished by lever lugs engaging casing blisters.
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