Binding device
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United States of America Patent
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Oct 1, 2013
Grant Date -
Nov 12, 2009
app pub date -
Dec 7, 2005
filing date -
Dec 8, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A binding device includes a plurality of binding rings, a holding member which enables the binding rings to be disposed with a spacing therebetween, an operating member having a surface to which base portions of the binding rings are secured such that the binding rings are disposed with a spacing therebetween, the operating member including a pair of operating pieces movable in the holding member in a longitudinal direction of the holding member, and an opening-closing member which causes the binding rings to be changed in an opening direction. The opening-closing member includes an elastic member. The elastic member is provided in the operating member such that a distance between the operating pieces in an opening-closing direction of the binding rings is maintained at a distance enabling the pair of the operating pieces to be moved and is arranged to move the pair of the operating pieces defining the operating member relative to each other in respective opposite directions and so as to elastically urge the pair of the operating pieces in a direction allowing the binding rings to be held in an opened state.
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