Class 402/20 - Opposed sheet retainers

Subclass of Class 402 - Binder device releasably engaging aperture or notch of sheet
Definition: Device including a pair of elongated sheet retainers contralaterally
No. of patents: 36
Last issue date: 02/16/2010

Number	Title	Issue Date
7661899	Lever for a ring binder mechanism A ring mechanism for retaining loose-leaf pages comprises a housing and ring members for holding loose-leaf pages that are moveable relative to the housing between an open and closed position. An actuation system moves the ring members and includes hinge plates pivo...	02/16/2010
7661898	Soft close ring binder mechanism with reinforced travel bar A ring binder mechanism includes a housing that supports two hinge plates for loose pivoting motion, moving the ring members apart or together. The mechanism also includes an actuating lever pivotally mounted on the housing. The lever moves a travel bar and its lock...	02/16/2010
7461994	Twist lock ring binder 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	12/09/2008
7341390	Loose-leaf binder A loose-leaf binder has a back, a binder made of a flexible material and attached to the back and two end plugs mounted respectively in ends of the back. The back has two tracks, two side slots and a middle slot. The binder has multiple open rings having two ends. E...	03/11/2008
7331732	Loose-leaf binding tool A binding tool includes an elongated substrate, a pair of rotatable shafts, and engageable binding rings on the shafts. The shafts are rotatably supported on the substrate. An operation plate on the substrate is slidable along the shafts. The shafts have cam protrus...	02/19/2008
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
7241067	Ring mechanism having blunt ends A ring mechanism for a loose-leaf binder comprises a thin, elongate plate and at least two ring members supported by the elongate plate. The ring members move between an open position for receiving and removing loose-leaf pages and a closed position for capturing th...	07/10/2007
7234886	Fastening arrangement for detachably interconnecting punched documents The present invention provides improvements in paper fastening to enable a user to remove a desired portion of papers from a fastened stack of papers without having to unnecessarily detach unwanted papers in the stack from the prongs of the fastener. The improved pa...	06/26/2007
7223040	Binder Two first binding members supported rotatably by a base, which will be fixed to a back cover, and two second binding members, which engage with the front ends of the first binding members to form closed loops, are provided. Spaces between the base sections of the fi...	05/29/2007
7121587	Wearable book A wearable book. A wearable book, comprising a plurality of pages and a loop adapted for encircling a body portion for attaching said pages to the body, is provided. The pages are preferably bound together at one edge and preferably are of substantially the same siz...	10/17/2006
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
7021852	Article holder An open ring-like device for holding articles such as plastic cards and keys is formed so that its ends are opposed to one another and includes tips at the ends. The distance between the tips is less than the thickness of an article. Articles can be inserted into th...	04/04/2006
6916134	Safety ring binder having sliding actuators A safety ring binder mechanism helps prevent finger pinching by requiring simultaneous opposite movement of sliding actuators at both ends of the mechanism in order to open and close the rings. When the actuators are outermost, dimples on the actuators press the bla...	07/12/2005
6913408	File and binding member In order to provide a ring file that can preferably file much more sheet of papers or leaves, a file wherein a binding member 1 constituting a ring-shaped body to file papers or leaves is mounted on a cover sheet body 2 is so arranged that a pair of hi...	07/05/2005
6764241	Support surface mounted sequential first page notebook A notebook includes a support structure in the form of a plastic pad case having a support surface in the form of a pad case back wall; a number of pages each having a page binder edge and a page free edge and a page length from the page binder edge to the page free...	07/20/2004
6666609	Flip chart holder An updatable and lockable flip chart holder that can clip into the rail strip or channel of a shelf or fasten to a display at a retail store. The flip chart holder allows manufacturers or promoters of products that are sold at retail to create consumer, e...	12/23/2003
6270280	Spine binder The invention relates to a unitary spine binder for securing a stack of sheets, which comprises a dorsal part (3, 4, 5) from which spaced fingers (1, 11) extend to form loops. The individual fingers are arranged in two sections (1, 11) lying opposite one ...	08/07/2001
6203229	Bolt action ring binder assembly A ring binder (100) has a center spine (102) and end leafs (104). A ring assembly (10) attaches to the spine includes a cover piece (12) and bolts (14, 16) on each of which are formed binder ring halves (18a-18b, 20a-20b, 22a-22b). The bolts are mounted o...	03/20/2001
6010270	Ring binder with locking device A ring type binder for perforated sheets or the like in which two members are coaxially secured so that a slot is formed along each longitudinal edge of the members. Another partially open ring member is provided that is configured to be slidably received...	01/04/2000
5692848	Ring binder In this ring binder, a pair of opposing swing base plates 3 are connected together at two locations near the center of their longitudinal swinging edges 3a by means of a joint mechanism 6 through operative engagement between the recessed joint section 61 ...	12/02/1997
5683193	Device for retaining sheets files or punched cards in binders or the like The device for retaining sheets, files, or punched cards in binders has a body defining a base portion that can be associated with the cover of a binder. Two arms extend from the base portion and constitute the two arms of an open ring. The two arms can m...	11/04/1997
5423624	Hinged loose-leaf retainer system A system for retaining stacks of loose-leaf papers in a file folder providing random access to any one sheet is disclosed. The system includes flexible retainer strips sized to fit through perforated holes in the paper and whose ends are configured to rel...	06/13/1995
5180246	Binding system A binder useful for containing articles that have holes located near the edge of the article. The binder has a plurality of spaced apart oppositely located ribs attached to either side of a hinge that pass through the holes when the binder is in a closed ...	01/19/1993
5037229	Closure for wire loop binder This is a closure unit for wire loop binder which includes a flexible outer retaining flange specifically constructed to increase the resistance to longitudinal movement between the closure unit and wire loop binder. The increased friction resists movemen...	08/06/1991
5028159	Looseleaf binder An economical lightweight looseleaf binder combines the functionality of a standard ring binder with easy-to-use characteristics of report covers. The cover is folded to define front and back panels as well as a spine portion, and additionally includes a ...	07/02/1991
5018895	Film stacker clip A film stacker clip arrangement (10) for a stack (100) of sheets of film (101) or flats having aligned apertures (102) wherein the arrangement (10) includes a plurality of clip units (11) having a male member (15) and a female member (12) connected by a f...	05/28/1991
4932804	Loose leaf retainer for file folders A pair of flexible retainer strips each of which can be held in ring configuration by a head and socket at opposite ends of the strip which interlock to retain a stack of perforated sheets in a file folder. Each retainer strip is slidably mounted in a sep...	06/12/1990
4815882	Turntable type binder assemblies A turnable type binder assembly including a fixed base plate provided with a fixed binding rod and a turnable base plate provided with a turnable binding rod, said turnable plate being turnable with respect to said fixed plate, wherein said turnable plate...	03/28/1989
4792253	Binder ring having slip-on folio stops A binder ring has folio stops affixed to the end of at least one binder ring section. When the binder ring is in the open position the folio stop impedes a folio sheet from inadvertently sliding off the ring section. The folio stop slips on when the binde...	12/20/1988
4722627	Clip-on paper holding system The present invention provides a clip-on paper holding system for a snap-clamp device made in one piece of plastic. The system uses the snap-clamp device as a paper holder for receiving and holding sheets of punched hole paper. The device is used either w...	02/02/1988
4607970	Binder for perforated sheets A one piece binder for perforated sheets, including a base portion and at least a ring. The ring comprised two members which, when locked, present a smooth and continuous surface and, when unlocked, are spring-biased apart. The locking means on one ring m...	08/26/1986
4500223	Carrier for hinged support of pages A carrier (10) for holding a plurality of pages (2) including a support member (13) and at least one ring (12) extending therefrom that includes a lower retention finger (20) of substantially uniform thickness and a flexible upper finger (21) of decreasin...	02/19/1985
4239410	Stationery booklet The booklet has a refillable binder in which there are writing sheets and opened envelope-forming sheets with a gummed perimeter region bound to the cover by demountable binding rings passing through slots in a stub section. Each sheet and each envelope i...	12/16/1980
4130368	Plastic looseleaf binder ring assembly The looseleaf binder ring assembly disclosed herein consists of a one-piece backbone formed of a resilient plastic material, which backbone has a plurality of pairs of cooperating fingers pivotally mounted thereon. The fingers of each pair face one anothe...	12/19/1978
3995961	Ring binder A ring binder comprising a hollow spine divided into a stationary portion and a pair of movable portions integrally interconnected to one another through the intermediary of longitudinally extending scored folding lines. The two movable portions carry rin...	12/07/1976
3954343	Plastic looseleaf binder ring assembly The looseleaf binder ring assembly disclosed herein consists of a one-piece backbone formed of a resilient plastic material, which backbone has a plurality of pairs of cooperating fingers formed thereon. The fingers of each pair face one another and are m...	05/04/1976

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Class 402/20 - Opposed sheet retainers