Patent ID: 8192101

Claim:
A folder binding device comprising: a binding device main body part having insertion holes as passages for inserting two binding legs used to bind a folder; two sliding parts adapted to individually slide on the binding device main body part; and two operating parts respectively having rotating projections at respective end portions thereof and being individually connected to the sliding parts via hinge parts, wherein: the two operating parts are attached to the binding device main body part in such a manner as to rotate about the rotating projections as fulcrums; rotating axes of the rotating projections are disposed in a direction which intersects with a longitudinal direction of the binding device main body part and the two operating parts have individual frame elements having space portions in which the sliding parts are capable of being accommodated so as to be fitted, wherein each sliding is activated in association with rotary operations of the operating parts via the hinge parts to slide on the binding device main body part.