| 摘要 |
<p>The binding member in accordance with the present claimed invention comprises a pair of first binding members and a pair of second binding members corresponding to the first binding members wherein a bound state or a released state of papers or leaves can be realized by closing or opening a space between a distal end portion of the first binding member and a distal end portion of the corresponding second binding member through a relatively rotational movement of the first binding member and the corresponding second binding member, and further comprises a release means that applies a force toward a direction to open the space between the distal end portion of the first binding member and the distal end portion of the corresponding second binding member and an operating lever that keeps the distal end portion of the first binding member and the distal end portion of the corresponding second binding member at a closed position by relatively rotating the first binding member and the corresponding second binding member in the teeth of the release means. In addition, the binding member is characterized by that between the distal end portions arranged is an engaging portion that engages the distal end portions of the first and the corresponding second binding members through a temporary elastic transformation of at least either one of the first binding member and the corresponding second binding member and that prohibits the distal end portions from making a movement to open the space between the distal end portions by engaging the first and the corresponding second binging members further more tightly with making use of the force applied by the release means.</p> |
