An improved "twist-lok" binder ring metal 10 includes binder rings (12-16) comprised of pairs of binder ring halves having an end attached to leaves (18, 20). Each leaf has swedges (18a, 18b, 20a, 20b) are spaced along the length of the metal. A cover (22) fitting over the leaves has spaced openings (24) through which ring halves extend. The cover and leaves only have a point contact with each other, and the leaves extend away from the cover at a relatively shallow angle.The binder is opened by ...

A fastener for detachably interconnecting punched documents is formed as a flat strip of plastics material, which has at its ends oppositely angled projecting tongues to be inserted into the holes in the documents.

A ring binder mechanism for retaining loose leaf pages. The mechanism includes an elongate plate, hinge plates supported by the plate for pivoting motion relative to the plate, and ring members mounted on the hinge plates which are moveable between a closed position and an open position. A control structure controllably pivots the hinge plates to thereby move the ring members between the closed and open positions. The control structure includes a single actuator at one end of the mechanism, a tr...

A binding mechanism system including a first support portion including a first ring portion located thereon and a second support portion including a second ring portion located thereon. At least one of the first and second support portions is movable relative to the other between a closed position wherein the first and second ring portions contact to form a generally closed ring, and an open position wherein the first and second ring portions are spaced apart from each other. The binding mechani...

A ring binder having flexible straps for lacing through holes in loose-leaf items having being bound, each strap having a clasp for clasping the strap to form it into rings of different size.

A ring binder mechanism that retains loose-leaf pages and has ring members that readily lock together, preventing accidental loss of pages. The mechanism comprises a housing that supports two hinge plates for loose pivoting motion, bringing the ring members to either an open position or a closed position. The mechanism further comprises a control structure, which includes an actuating lever pivotally mounted on the housing. The actuating lever moves a travel bar and its locking elements for cont...

A binder mechanism includes a rotatable support having ring segments that can be locked in a closed configuration. The binder mechanism includes a horizontal and/or a flush mounted push button that opens and/or unlocks the rotatable support. The push button acts on a ramped slider that causes the rotatable support to rotate open. An over-center arrangement aids in maintaining the binder mechanism closed or opened.

A stack of sheet material defining a packet assembly. Each sheet is provided with a single elongated slot spaced from one of its edges such that each sheet is captured by a single tubular element providing for the stack of sheet material to be in registry. A tubular element is provided with a slit extending throughout its longitudinal surface for capturing each sheet of the stack maintaining the sheets in registry within the stack and providing for rotation of each sheet about the tubular elemen...

A ring binder mechanism for retaining loose leaf pages. The mechanism includes a rigid, elongate plate having a longitudinal axis. Hinge plates are supported by the plate for pivoting relative to the elongate plate. Rings for holding loose leaf pages include ring members mounted on the hinge plates and moveable between a closed position and an open position. A control structure is supported by the elongate plate and controllably pivots the hinge plates to move the ring members between the closed...

A binder made from a single piece of injection molded plastic material. The binder includes an elongated dorsal part having a first lateral side and a second lateral side. A plurality of fingers are formed integrally with and extend from the first side of the dorsal part. Each of the fingers has a free end. The fingers curl toward the second side to form rings which extend through holes in the sheets to secure the sheets on the binder. A plurality of teeth are formed integrally with and are spac...