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| Number | Title | Issue Date |
| 8002488 | Soft close ring binder mechanism A ring binder mechanism that retains loose-leaf pages and has ring members that do not snap together when they close and that easily open and close as pages accumulate. The mechanism includes a housing that supports two hinge plates for loose pivoting motion, moving... | 08/23/2011 |
| 7524128 | Ring binder mechanism spring biased to a locked position A ring binder mechanism for retaining loose-leaf pages has a housing and a pair of hinge plates supported by the housing for pivoting motion relative to the housing. Mounted on each of the hinge plates are ring members which cooperate to form rings for holding the l... | 04/28/2009 |
| 7347640 | Loose-leaf binder A binder for releasably retaining loose-leaves. The binder has a front cover that lies flatly beneath its back cover when the binder is open 360 degrees. The rings of the binder can rotate around an edge of the flatly-folded cover to enable loose-leaves to lie flat ... | 03/25/2008 |
| 7318684 | File mechanism This invention concerns a file mechanism for punched documents, comprising a base plate, two mutually spaced filing pins which stand up substantially vertically from the base plate, and a two-limbed transfer arch which is spaced from the filing pins and which is mou... | 01/15/2008 |
| 7293932 | Lever arch binder mechanism with complementary ring tips A ring binder mechanism has D-shaped rings formed by a straight, stationary part, and a movable mating part having an arcuate shape. A recess is formed in the tip of the movable part, and a protrusion at the tip of the stationary part seats in the recess. A lateral ... | 11/13/2007 |
| 7077595 | Spine binder The present invention provides an unitary spine binder which comprises an elongated dorsal hinge bearing pairs of opposing and complementary male and female ring elements having known male fastener and female fastener, respectively. Each pair of ring elements also c... | 07/18/2006 |
| 6971815 | Binder ring clamp assembly A binder ring clamp assembly for use with a loose leaf binders having binder rings. The assembly has a pair of clamps, each clamp having a flat panel with at least two holes for allowing the binder rings to extend therethrough. Tensioned springs are secured around t... | 12/06/2005 |
| 6966721 | Wrap-around notebook A wrap-around notebook or binder includes a ring assembly with a shield and a pair of frames forming a bistable construction, and a hinge plate pivotally coupled to the shield with the outer surface of the hinge plate aligned with the outer extent of the shield/fram... | 11/22/2005 |
| 6637968 | Three-ring binder with actuating crank A three-ring binder has an actuator crank which closes the rings against the bias of a leaf spring. The crank is turned by means of a lever having a roller thereon that engages a throw of the crank. The roller is arranged on the lever so that it goes past... | 10/28/2003 |
| 6422797 | Binding element for binding a stack of documents comprised of loose sheets The present invention relates to a binding element for binding a stack of documents comprised of loose sheets, having a spine piece and two side pieces, the side pieces being arranged essentially perpendicular to the spine piece. The binding element is ma... | 07/23/2002 |
| 6293722 | Binder Mechanism A binder mechanism is disclosed having a first ring assembly and a binding portion. The first ring assembly includes at least one first ring half. At least the first ring assembly or the binding portion are a pivotable half that is pivotable with respect ... | 09/25/2001 |
| 6196749 | Loose-leaf binder A binder for releasably retaining loose-leaves. The binder has a front cover that lies flatly beneath its back cover when the binder is open 360 degrees. The rings of the binder can rotate around an edge of the flatly-folded cover to enable loose-leaves t... | 03/06/2001 |
| 5957611 | Ring binder with dual angle ring metal A ring binder (10) holding sheets (S) of paper (P) has a dual angle ring metal (100). The ring metal includes a pair of leaves (102, 104) hingedly connected to each other for relative movement between them. Binder rings (114, 116, 118) each include a pair... | 09/28/1999 |
| 5697722 | Ring binder mechanism having spring closure mechanism A ring binder mechanism has a base plate that may be mounted in a binder or the like and preferably two spring closure mechanisms that each comprise a filing pin and a tube perpendicularly secured to the base plate. A longitudinally sliding and rotary clo... | 12/16/1997 |
| 5076722 | Loose leaf binder In a loose leaf binder the left (2a, 3a) and the right prong parts (2b, 3b) are each disposed on a common carrier plate (4). The carrier plates (4) are pivotably connected to a base plate (5) and can be depressed using a lever (8) against the force of coi... | 12/31/1991 |
| 4904103 | Loose-leaf binder A binder for releasibly retaining pages as well as covers which include a plurality of mating pairs of semicircular rings whose peripheries essentially are all exposed so that the paper or covers can be extended therefrom essentially 360 degrees therearou... | 02/27/1990 |
