Patent ID: 6702501
Filing Date: 2004-03-09
Classification: B42F

Abstract:
A binder for releasably binding a plurality of loose-leaves comprising:a spine having a first rod and a second rod, a plurality of binder rings each having a first ring segment and a second ring segment, at least one pair of torque levers having a first torque lever and a second torque lever, a spreader linking said first torque lever to said second torque lever, an actuator for opening all of said binder rings substantially together, each of said binder rings attached to said spine, said first rod attached to each of said first ring segments and to said first torque lever, said second rod attached to each of said second ring segments and to said second torque lever, said first torque lever and said second torque lever transversely protruding from said spine, position of said spreader affecting the spread of said first torque lever relative to said second torque lever to control the opening and closure of said binder rings.