Abstract: A ring binder is provided including a linearly-extending first spine, a linearly-extending second spine, a series of spaced first substantially half-rings attached to one of the spines, and a series of spaced second substantially half-rings on the other of the spines, the distal ends of the half-rings on the first spine facing the distal end of the half-rings on the second spine. A hinge connection extends between the spines. A releasable lock includes a lever and a pair of links is pivoted to the lever and to outer edges of the spines. An integral lever tab extends from between the ends of the spines. Push movement inwardly of the lever, by pushing the lever tabs, places the lock into a locking mode holding the first and second half-rings closed in a paper sheets-holding mode. An outward pull movement of the lever tab places the lock into a non-locking mode resulting in opening of the first and second half-rings in a paper sheets removal mode.

Abstract: A system for rivetless attachment of a ring binder assembly to a cover wherein an attachment portion including one or more prongs adapted to imbeddingly engage a cover substrate and a surface adapted to mate in facing relation with a surface of the cover is formed unitary with a confining spring cover plate of the ring binder assembly, the ring binder assembly being attached to the cover by forcing the attachment portion against it with sufficient force to drive the prongs into the substrate and hold the surface of the attachment portion firmly against the cover.

Abstract: A fastener (30) for fastening a paper retaining binder mechanism (18) to the spine (16) of a binder (10) and remaining entirely concealed from an outer surface of the binder. The fastener includes a circular anchor plate (38) and a vertically extending attachment post or eyelet (34). The post is a truncated cone of uniform taper. The anchor plate includes a circumferential reinforcing lip (48). The fastener is secured to the spine by a number of spurs (50) uniformly spaced about the circumference of the anchor plate. The eyelet extends perpendicular of the anchor plate and the binder mechanism seats on the eyelet by an opening (26, 28). The upper end of the eyelet is then deformed about the opening to secure the binder mechanism in place.

Abstract: A ring binder (100, 200) adapted to be secured to a cover (116, 214) is disclosed as comprising a substantially rigid upper plate member (102, 202) supporting a pair of lower pivotable plates (104a, 104b, 204a, 204b) to which a plurality of rings (106, 206) are mounted, and the upper plate member (102, 202) comprises two ends and the cover (116, 214) abuts at least part of the upper plate member (102, 202), and said part surrounds the end of the upper plate member (102, 202) by substantially 360.degree..

Abstract: A ring binder (10) stores hole (H) punched sheets of paper (P). A mechanism (16) is a bolt action mechanism which positively locks binder rings (18) which hold paper in its stored position. Each binder ring includes a fixed section (20) and a movable section (22). All of the movable binder ring sections are commonly mounted on a bolt (36) and move in unison with the bolt. A manually operable lever (38) is secured to one end of the bolt. When the lever is moved in one direction, the bolt is rotated so to move the movable sections of the binder rings away from the fixed sections and open the binder. Operation of the lever in the opposite direction brings the movable sections back into contact with the fixed sections to close the binder.

Abstract: A ring binder mechanism adapted to be secured to a cover is disclosed as including a substantially rigid upper curved housing supporting a pair of plates to which three pairs of half-ring members are mounted, and a pair of rivets for engagement with the cover. The plates are pivotably movable between a first configuration in which the pairs of half-rings are closed, and a second configuration in which the pairs of half-rings are open. Each rivet includes an anchor plate to abut the cover and at least one claw penetrable into said cover in order to secure the ring binder mechanism to the cover, and the anchor plate includes a number of ridges or troughs.

Abstract: A ring binder assembly includes a folder comprising front and rear flaps interconnected by a spine, a pair of low-profile receptacles attached to an inner surface of the spine, and a ring mechanism whose tubular rivets have mushroomed feet designed to be seated in the receptacles. The receptacles open in opposite directions so that the ring mechanism is installed with a swiveling motion. A method of shipping the binders, unassembled, is to place a stack of a number of folder opened flat in a box, leaving just sufficient head space for a corresponding number of ring mechanisms arranged side-by-side in a single row at the top of the box. The binder assemblies can be quickly completed by the retailer, or by the end purchaser.

Abstract: 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 of ring halves with one end of each ring half being attached to a separate one of the leaves. A shield (30) covers the leaves. Release levers (140, 142) at each end of the shield are operable to open and close the binder. The leaves, when the ring binder is closed, form a predetermined angle (A) with respect to each other. Each of the leaves has a segment (122a, 122b, 124a, 124b) by which a second angle (B) is formed between the leaves. This second angle is formed such that the pair of leaves are prevented from movement relative to each other by movement of paper from one side of the binder to the other. However, the plates are readily movable to open the binder by movement of one of the release levers.

Abstract: A paper binding device includes a base, two binding ring assemblies, a pull plate, and a bottom plate. By causing the pull plate to displace forwardly and rearwardly in the center of the base, positioning pins on the pull plate may displace in corresponding guide slots of the binding ring assemblies to force the binding ring assemblies to open or close. The pull plate further has stop pieces that may firmly secure the binding ring elements in position when the binding ring assemblies are in a closed state. The pull plate effectively eliminates the problem of small open angle with conventional paper binding devices which make it difficult to bind papers.

Abstract: A ring binder assembly includes a folder comprising front and rear flaps interconnected by a spine, a pair of low-profile receptacles attached to an inner surface of the spine, and a ring mechanism whose tubular rivets have mushroomed feet designed to be seated in the receptacles. The receptacles open in opposite directions so that the ring mechanism is installed with a swiveling motion.A method of shipping the binders, unassembled, is to place a stack of a number of folder opened flat in a box, leaving just sufficient head space for a corresponding number of ring mechanisms arranged side-by-side in a single row at the top of the box. The binder assemblies can be quickly completed by the retailer, or by the end purchaser.

Abstract: A ring binder adapted to be secured to a base member, the ring binder comprising at least one securing member; a substantially rigid upper structure; a pivotable lower structure supported by the upper structure; a plurality of ring members mounted to the lower structure; and at least one engagement member engageable with the securing member closely adjacent to the base member to secure the ring binder to the base member; wherein the engagement member includes an engagement surface for engaging the securing member, the engagement surface comprising an upper surface of a partially open lower end of the engagement member, and the engagement member comprising a body which is narrower than the partially open lower end.

Abstract: A ring binder to be fixed to an article include a support for mounting a plurality of ring members thereon. The ring binder has an exposed upper surface to which the ring members are mounted, the exposed upper surface being defined by upper surfaces of the support. A control member to open and close the ring binder are provided. The support includes a lock co-operable with the control member, the control member including a cross bar member and the lock including a protrusion on the under surface of the support, the cross bar member acting upon the protrusion, whereby closing force applied to the ring members when in open position will not close the ring members. In another embodiment, securement element provided to hold the support and secure the support to an article are situated below the support in regions of limited longitudinal extent adjacent opposite ends of the ring binder.

Abstract: A ring binder to be fixed to an article has a support for mounting a plurality of ring members thereon and a control member for opening and closing the ring binder. The support has a pair of support members pivotally supported by a holder joining the outer edges of the support members together, whereby the inner edges of the support members move away from each other on pivoting. The holder cooperates with the control member in order to support the support members. The ring binder may also include one or more securing elements for holding the support members by extending across from the outer edges of the support members and cooperating with the control member, and fixing elements below and connected to the support members.

Abstract: A ring binder (10) for holding hole punched sheets of paper (P) includes a low profile ring metal (20). A pair of leaves (28, 30) are hingedly connected to each other for relative movement of the leaves to each other. A plurality of binder rings (22, 24, 26) are each formed of a pair of ring halves (22a, 22b, 24a, 24b, 26a, 26b). One end of each ring half is attached to a separate one of the leaves whereby movement of the leaves moves the ring halves to open and close the binder. A shield (40) covers the leaves, and release levers (44, 46) are located at each end of the cover. The levers are operable by a user of the ring binder to open and close the binder. Both release levers extend substantially co-planar to the cover and the length of the cover and release levers generally corresponds to the length of a sheet paper stored in the binder. This allows the overall size of the binder to be smaller than that of a ring binder holding the same size sheets of paper but using a conventional ring metal construction.

Abstract: A ring binder (10) comprises a pair of leaves (28, 30) hingedly connected to each other for relative movement therebetween. A plurality of spaced binder rings (22, 24, 26) are each formed of a pair of ring halves (22a, 22b, 24a, 24b, 26a, 26b). One end (22c, 22d, 24c, 24d, 26c, 26d) of each ring half is attached to one of the leaves. Movement of the leaves thus moves the opposite end of the respective ring halves out of and into contact with each other so to open and close the binder. A shield (20) covering the leaves has spaced openings (42) through which the ring halves extend. The shield has a plurality of raised sections (44, 46, 48) extending transversely of a longitudinal axis of the shield with one of the raised sections being formed at each binder ring location. Another raised section (52) extends axially of the longitudinal axis of the shield and intersects each of the transversely extending raised sections.

Abstract: A ring binder to be fixed to an article includes a support for mounting a plurality of ring members thereon, and a control member movable to act on a sloping part of the upper surface of the support to cause the support to pivot and thereby close the ring members and movable along a sloped portion of the under surface of the support to cause the support to pivot and thereby open the ring members. The control member includes a cross bar member which acts on the sloped portion of the under surface of the support. In another embodiment, the support has a plurality of substantially longitudinal rib members on its upper surface.

Abstract: A ring binder to be fixed to an article includes a support for mounting a plurality of rings thereon. The ring binder has an exposed upper surface to which the rings are mounted, the surface being defined by an upper surface of the support. A control member opens and closes the binder. A securement member which holds the support and secures the support to an article is situated below the support in regions of limited longitudinal extent adjacent opposite ends of the binder. The control member acts at a first location, on an undersurface of the support, to open the binder, and at a second location, situated at an end region of the binder, to close the binder, the first and second locations being at different locations along the length of the binder. In another embodiment, inner edges of the support members are arranged to engage each other on closing of the binder and to disengage on opening of the binder.

Abstract: Disclosed herein is a single piece molded locking snap ring assembly for use in holding looseleaf sheets together as in a two or three-ring binder. The assembly is a one-piece molded construction including an elongated longitudinal base section having upright retaining levers at each end, extending between two pivotally opposed ring support sections. Integral reduced cross section living hinge sections joining the base and ring sections and provide pivotal connection therein. The ring sections carry opposed ring segments for movement toward and away from one another into closed and open positions respectively. Integrally molded locking arms mounted at each end of the ring support sections carry free ends having oblique surfaces for contacting and pushing respective levers outward and projecting ledges having latching surfaces for latching with central channels defined in the levers.

Abstract: A ring binder comprisinga substantially rigid upper structure,a lower structure supported by the upper structure andat least two pairs of ring members mounted to the lower structure,the at least two pairs of ring members comprising a first type of ring member and a second type of ring member andthe lower structure being pivotally movable between a first position in which the at least two pairs of ring members are closed and locked, and a second position in which the at least two pairs of ring members are open and unlocked,wherein when a force is applied to the first type of ring member of the at least two pairs of ring members, the ring binder is unlocked and the lower structure is movable from the first position to the second position in order to open all the pairs of ring members, andwherein when a force is applied to the second type of ring member of the at least two pairs of ring members, the lower structure is locked against movement from the first position to the second position.

Abstract: 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 having a projection 63 and the extended joint section 62 having a slot 64, so that the opposing swing base plates 3 are pivotally movable together in unison, and the swinging edges 3a are pivotally movable together toward and away from the top face 21a of the recessed section 21 in the fixed base plate 2.

Abstract: The improved loose leaf ring binder assembly includes a binder having a central vertical back portion connected to laterally extending wings or side portions which form the front and back covers of the binder. The assembly also includes a vertically extending spine connected to the front surface of the back portion. The spine is in the form of a hollow tube having closed upper and lower ends and containing a spaced pair of vertical rods. The inner ends of half rings are connected to the rods at spaced intervals along the length thereof. The half rings extend laterally outwardly from the rods through openings on opposite sides of the tube. The free ends of the half rings on one side of the tube are adapted to mate with half rings from the opposite side of the tube to form complete rings to releasably hold loose perforated sheets in place in the binder.

Abstract: A molded plastic one-piece loose-leaf ring binder for use in binding loose perforated sheets, book pages and the like. A plastic elongated base strip is ridgidified by ribs extending longitudinally thereof, and has paired integral flexible lugs spaced longitudinally on opposite longitudinal sides of the base strip and extending laterally therefrom. The individual lugs each have an integral arm curved along a length of the arm extending laterally away from the corresponding lug and side of the base strip and each curves in a direction back toward the strip. The curved arms have a cross-section thickness greater than the thickness of the corresponding lug so that their curvature is maintained. The curved arms are paired on opposite sides of the strip and are sufficiently rigid as ring-forming elements insertable into holes of perforated sheets and free ends thereof of a pair locked together to define binder rings.

Abstract: A ring binder mechanism having two carrier rails which are arranged in a resilient casing member and which bear against each other, the angle formed between said carrier rails changing from an obtuse to an acute angle and vice versa during opening and closing of pairs of half rings associated with said carrier rails, wherein the casing member has a connection point in at least one end of the casing for connecting the casing to a support and the casing member is strengthened by at least one channel or bead extending from within a recess about the connection point to a point between the recess and the pair of half rings closest to the recess.

Abstract: Disclosed herein is a molded locking snap ring assembly for use in holding looseleaf sheets together as in a two or three-ring binder. The assembly is preferably a one-piece molded construction including an elongated longitudinal base section having upright retaining levers at each end, extending between two pivotally opposed ring support sections. Integral reduced cross section hinge sections joining the base and ring sections provide pivotal connection therein. The ring sections carry opposed ring segments for movement toward and away from one another into closed and open positions respectively. Integrally molded locking arms mounted at each end of the ring support sections carry free ends having oblique surfaces for contacting and pushing respective levers outward and projecting ledges having latching surfaces for latching with central channels defined in the levers.

Abstract: A plate for forming a housing member for a ring binder which is provided with at least one rib positioned longitudinally on the plate along each side thereof, wherein said ribs are provided along the substantial length of each side of the housing member plate.

Abstract: A carrier rail for a ring binder which is provided with a plurality of ribs along the longitudinal axis of the rail.

Abstract: A spring clip for mounting a ring metal to a ring binder wherein the spring clip is attached to a panel of the ring binder such as by a rivet, and the ring metal is snap engaged to the spring clips. The spring clips provide release levers for quickly and easily removing the ring metal from the ring binder for exchange or replacement. The ring metal can be provided with locator notches which register with locator tabs provided on the spring clip to locate the ring metal appropriately with respect to the ring binder and spring clips.

Abstract: A ring binder having D-shaped rings wherein the rings, when opened, position a generally straight leg of the D-shape in a vertical orientation with respect to a horizontal bottom cover panel of the binder. The straight leg has a short turned end portion which allows for simple vertical loading of pages onto the rings. The arrangement provides for greater efficiency at loading multiple pages onto a ring binder in the factory, as well as replacing pages in the ring binder by the consumer. A plurality of D-shaped rings can be used in an arrangement wherein the ring carrier can be mounted on the bottom cover, rather than mounted onto a spine panel of the ring binder. By arranging the ring carrier on the bottom cover rather than the spine, the top and bottom cover members can be made of shorter width, resulting in a savings of material of manufacture.

Abstract: A shield for a ring metal is provided having arcuate band sections at the locations of the rings and intermediate sections therebetween, the intermediate sections having a straight segmental cross section having a lower overhead clearance between the shield and the hinged leaves than the band sections. The hinged leaves abut the intermediate section before tab members formed on said hinged leaves can abut an underside of the band sections, thus upward dents are prevented on the shield. Additionally, the straight segmental configuration of the intermediate sections provides increased resiliency for opening and holding closed the rings of the ring metal.

Abstract: A quick revision apparatus (22) and method for guiding loose leaf documents (12) across a gap (11) between a pair of mating binder ring members (3A and 3B) to facilitate quick revision of a set of documents (12) held thereby having a pivotally mounted bridge (6A) for spanning the gap (11) which is moved to an operative position by movement of a leaf element (12) thereon from one of the ring members (3B) to the other ring member (3A).

Abstract: A ring-type binder having a spine comprising inner and outer laminations of sheet material fixedly secured together in face-to-face relation, a ring-type binder element secured to the inner spine lamination by at least two (2) threaded fasteners extending through the inner spine lamination and through the binder element and secured in place by T-nuts, front and rear piano-type hinge elements secured to the front and rear edges of the spine inner lamination by through fastener elements, and front and rear covers fixedly secured to respective ones of the front and rear piano-type hinge elements by through fasteners, wherein the outer spine lamination is totally devoid of through fasteners and/or fastener openings and completely overlies and conceals the threaded fasteners used to secure the ring-type binder element and the through fasteners used to secure the front and rear hinge elements to the spine inner lamination.

Abstract: A device for impaling loose leaves, such as a loose leaf binder (1) comprising two or more holding means (14) provided with for example rings or gripping fingers (10) fastened to one or more guide or guide members (5, 15). The holding means (14) of the device are mutually displaceable in one direction with respect to the individual guide member (5, 15) and detachably fastened thereto, said holding means (14) being preferably stepwise displaceable in said direction being the longitudinal direction of the loose leaves. The inventive device enables the manufacture of loose leaf binders without regard of which country or area the binder is to be used in. It is possible to move the individual rings or gripping fingers (10) with respect to each other as well as, if necessary, to provide the binder with extra rings or gripping fingers (10). The device also enables other equipment to be placed in the binder, such as pencil holders or holders for notepads or the like.

Abstract: Looseleaf notebooks, presentation devices and similar stationery items incorporating a binder mechanism attached to the side of the rear cover. Three slots are present along the side of the front cover positioned so as to fit into the ring binder mechanism to lock the notebook and secure all contents. The ring binder itself may contain a stiff paper or plastic insert for providing additional support for use as a presentation device. Such insert may includes three projections along the bottom manufactured to fit into the front cover slots to convert the notebook into an easel stand. The stiff insert additionally may function as the third side during vertical positioning of the notebook thereby allowing for a stable free standing presentation device.

Abstract: A cartridge for binding multi-page documents comprises a center member and a pair of side members pivotally connected to the center member. In the closed operative configuration, the side and center members cooperate to form a U-shaped channel for receiving the documents. Pins extending between and supported by the side members enter aligned holes in the documents for suspending them. The side members are provided with a lock for releasably locking the cartridge in the closed configuration. The lock comprises a first tab on one side member having an opening therein and a second tab on the other side member having a protrusion. The two tabs cooperate such that the second tab protrusion releaseably engages the first tab opening when the cartridge is in the closed configuration. The cartridge may be made with a T-shaped bar or a center hook suspension system.

Abstract: 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 is slightly movable along the axis, around which it is turnable, under the action of a spring.

Abstract: The ring binder mechanism comprises a resilient mechanism cover which can be connected to the spine of a binder or cover, two toggle plates or toggle rods which are articulately connected in opposite senses and which are resiliently supported in the mechanism cover, and ring portions which cooperate in pairs to form rings and which are carried by the toggle plates or toggle rods, consist of drawn or rolled metal wire of non-round cross-section and have ends which positively interengage locally in the closed position. At their free ends, the ring portions have plane end faces which bear snugly against one another in the closed position and one ring portion of each pair of ring portions having a pin which is cylindrical over at least its main length and which projects perpendicularly from the end face and the other ring portion having a bore which is cylindrical over at least its main length and is sunk perpendicularly in the end face.

Abstract: A four ring-type binder including turnable and fixed rods, in which turnable rods comprise two turnable ring rods each being formed by bending a single metal wire member, one turnable ring rod including two ring sectors opposite to one fixed ring rod and the other turnable ring rod including similar two ring sectors, and in which, among the four ring sectors, only the ring sectors located at the central portion of a binder body have at their free ends stoppers engageable with the free ends of the associated fixed ring rods.

Abstract: A low profile notebook for holding looseleaf style prepunched notebook paper of the inexpensive lined or blank type commonly used in schools of all levels by students for note taking purposes, in which the notebook comprises front and rear panels articulated to a back panel, with a one piece all plastic notebook paper binder being anchored to the rear panel adjacent and parallel to the back panel and comprising a back piece having a pair of spaced upstanding rectilinear posts adjacent either end of same that are positioned as applied to the notebook to be received in several of the prepunched holes in the paper, and an end flange upstanding from each end of the back piece, with each end flange having a flap articulated to same that is adapted to swing substantially in coplanar relation with the plane of the paper mounting posts to move toward and away from the post adjacent same and each having a snap fit locking means for snap fit locking engagement with the respective posts to releasably bind the paper in t

Abstract: A ring mechanism for mounting on a loose leaf binder has ring elements, for retaining paper, secured to carrier rails within a cover rail. The ring elements are moveable between open and closed positions. The ring elements include bottom portions extending to intermediate locations higher than their lower ends, but arranged to support paper below the top of the cover rail. Additionally, the ring elements are mounted so their first ends are spaced above the binder cover. This arrangement provides operating space for the ring elements, while enabling the ring elements to have a large capacity.

Abstract: Disclosed is a display stand with split rings supporting sheet material such as photographs, recipes, instructions, addresses, etc. The stand is made entirely of integrally molded plastic components snap-locked to each other through hand assembly. The rings are deformed by hand to load them with sheet material; when released the ring ends are supported by the rest of the stand so that the weight of the sheet material threaded on the rings does not deform them.

Abstract: The present loose leaf binder consists of two main sections each provided with spaced half rings and held together by means of metal links or a length of suitably bent metal wire. Between the two main sections of the binder there is an elongated strip selectively movable to open and close complementary pairs of the binder half rings. The free ends of the complementary pairs of half rings are duly fitted with protruding extensions which overlap when the binder is closed.

Abstract: Loose leaf binder composed of an arcuate back panel, pivotable cover panels and a toggle ring mechanism which is affixed to the inner concave surface of the back panel. The toggle mechanism includes spaced leaf ring members each composed of a pair of mating sections pivotable with the toggle mechanism between open and closed positions. Each ring member is defined by rectilinear leg portions extending outwardly of the toggle mechanism, upwardly and inwardly extending arm portions and transversely extending arcuate rail portions supported by the arm portions of the ring in spaced relation to the arcuate back panel. Each of the arm portions has a unidirectional slope and with a corner of generous radius fairs together with each rail portion, enabling the loose leaf sheets held on the rings to be smoothly swung from one side to the other of the binder.