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United States of America Patent
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May 29, 2007
Grant Date -
Jul 3, 2003
app pub date -
Dec 24, 2002
filing date -
Dec 27, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Two first binding members supported rotatably by a base, which will be fixed to a back cover, and two second binding members, which engage with the front ends of the first binding members to form closed loops, are provided. Spaces between the base sections of the first and second binding members are connected via a first and second connecting plate, respectively. A releasing element is disposed between the respective connecting members, and a force is given by the releasing element in the direction that the closed loops via binding members are released. It is such adapted that, when the first binding members are nipped by fingertips and given an operation force in the direction that the same come closer to each other, the engagement with the second members are released and the front ends can rotate in the direction that the same are opened.
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