Patent ID: 7802938

Claim:
A system for holding a plurality of loose leaf sheets, comprising: a spine having top and bottom ends; a plurality of latching devices connected to the spine, each latching device comprising: a first retaining member, a latching member, and a second retaining member, said first and second retaining members being spaced from each other along a longitudinal axis of said spine; and a plurality of modules each adapted to attach to a respective one of the plurality of latching devices, each module being configured to releasably hold a plurality of the loose leaf sheets, each module comprising a first portion contoured to mate with a portion of an external profile of said first retaining member of said respective one of the plurality of latching devices, and a second portion contoured to mate with a portion of an external profile of said second retaining member of said respective one of the plurality of latching devices, wherein each said latching member is movable between a latched position that prevents a respective one of said modules from separating from the respective latching device, and an unlatched position where the respective one of said modules may be removed from said binder, wherein each latching member of said plurality of latching devices is independently movable between its latched and unlatched positions such that each module can be removed or attached to said spine independent of every other module attached to said spine.