COLLAPSIBLE LEVER ARCH BINDER DEVICE AND USES THEREOF

摘要

A collapsible binder including rings that flatten into a collapsed position. Exemplary binders include a static ring portion and a movable ring portion, with both ring portions having a first degree of freedom permitting them to be moved between collapsed and upright configurations and at least the movable ring portion including a second degree of freedom permitting it to be moved between open and closed positions, relative to the static ring portion. A binder mechanism having a base (310), a bracket (320), a movable ring (350), and a static ring (350a). The bracket is movably secured to the base so as to provide a first degree of freedom permitting the movable ring and the static ring to move into an upright position. A secured end of the movable ring is movably secured to the bracket so as to provide a second degree of freedom permitting movement of a free end of the movable ring toward the static ring.