Binding tool and binder
The binding device facilitates easy operation and stable document binding through a configuration with three ring groups that change positions in response to a single force application, addressing the complexity of conventional devices.
Patent Information
- Application Number
- PCT/JP2024/024359
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2026-01-08
AI Technical Summary
Conventional binding devices with multiple rings are difficult for users to open and close due to complex mechanisms requiring separate operating rods or longitudinal movements.
A binding device with three ring groups, each configured to change positions between closed and open states by applying force to operating rings in the third ring group, allowing easy operation with a locking mechanism for stability.
Enables stable document binding and easy operation by allowing all ring groups to transition between closed and open positions with a single force application, enhancing user convenience.
Smart Images
Figure JP2024024359_08012026_PF_FP_ABST
Abstract
Description
Binding devices and binders
[0001] The present invention relates to a binding device and a binder.
[0002] 2. Description of the Related Art Conventionally, binding devices in which a plurality of binding rings are arranged have been known (see, for example, Patent Documents 1 and 2).
[0003] Patent Document 1 discloses a binding device having a movable base plate that can move between a binding position and a binding-enabled position relative to a fixed base plate. However, the movable base plate is configured to be movable by moving a separately provided operating rod back and forth, making it difficult for a user to open and close the binding device.
[0004] In addition, in the device disclosed in Patent Document 2, in order to open and close multiple binding rings, one base portion must be moved relative to the other base portion in the longitudinal direction, making it difficult for users to easily open and close the device.
[0005] JP-A-07-101192 Patent No. 5613205
[0006] The present invention has been made in light of the above circumstances, and aims to provide a binding device and binder that can not only stably bind documents with binding holes, but also is easy for users to operate.
[0007] That is, the present invention has the following configuration.
[0008] The invention described in claim 1 is a binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein all of the first ring group, the second ring group, and the third ring group are configured to be able to change their position from a closed position in which documents are bound to an open position in which the documents can be attached and detached by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the third ring group.
[0009] The invention described in claim 2 is a binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein all of the first ring group, the second ring group, and the third ring group are configured to be able to change their position from an open position in which documents can be attached and detached to a closed position in which the documents are bound by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the third ring group.
[0010] The invention described in claim 3 is a binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein all of the first ring group, the second ring group, and the third ring group are configured to be able to change their position from a closed position in which documents are bound to an open position in which the documents can be attached and detached by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the first ring group, or only to an operating ring set on one or more of the plurality of binding rings in the second ring group.
[0011] The invention described in claim 4 is a binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein all of the first ring group, the second ring group, and the third ring group are configured to be able to change their position from an open position in which documents can be attached and detached to a closed position in which the documents are bound by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the first ring group, or only to an operating ring set on one or more of the plurality of binding rings in the second ring group.
[0012] The invention described in claim 5 is a binding device described in claim 1, 2, 3 or 4, in which the operating ring includes a locking ring having a locking means that can be locked in the closed position, and a change in position from the closed position to the open position is allowed by applying an operating force to the locking ring.
[0013] The invention described in claim 6 is a binding device described in claim 5, in which the operating ring includes a non-locking ring that does not have the locking means, and the position change from the open position to the closed position is performed by applying an operating force in the direction of the closed position to both or either of the non-locking ring and the locking ring.
[0014] The invention described in claim 7 is a binding device described in claim 1, 2, 3 or 4, wherein the distance between the first ring group and the third ring group, and the distance between the second ring group and the third ring group are set longer than the specified intervals between the first, second and third ring groups, respectively.
[0015] The invention described in claim 8 is a binding device described in claim 1, 2, 3 or 4, in which the multiple binding rings in the first ring group, the multiple binding rings in the second ring group, and the multiple binding rings in the third ring group each move integrally between the closed position and the open position.
[0016] The invention described in claim 9 is a binding device as described in claim 1, 2, 3 or 4, which has a base in which first and second connecting plates are butted against each other and supported rotatably relative to a base body, and the multiple binding rings are formed by a first ring component supported by the first connecting plate and a second ring component supported by the second connecting plate, and the closed position is a state in which the respective tip ends of the first and second ring component members are engaged or abutting each other, and the open position is a state in which the respective tip ends of the first and second ring component members are spaced apart, and the multiple binding rings are biased in the direction of the open position by an elastic biasing means and adopt the closed position when closed against that biasing force.
[0017] The invention described in claim 10 is a binding device described in claim 5, which has a base in which first and second connecting plates that are butted together and supported rotatably relative to a base body, and the multiple binding rings are composed of a first ring component member supported on the first connecting plate and a second ring component member supported on the second connecting plate, and the locking means is an engaging portion provided at each tip of the first and second ring component members.
[0018] The invention described in claim 11 is a binder having a cover body provided with the binding device described in claim 1, 2, 3 or 4.
[0019] As described above, according to the present invention, it is possible to provide a binding device that can stably bind documents with binding holes, and a binder equipped with a binding device that is easy for users to operate.
[0020] 1 is a perspective view showing an embodiment of the present invention. A perspective view of the same embodiment. A perspective view of the binding device of the same embodiment (closed position). A perspective view of the binding device of the same embodiment (open position). A front view of the binding device of the same embodiment (closed position). A rear view of the binding device of the same embodiment (closed position). A right side view of the binding device of the same embodiment (closed position). A left side view of the binding device of the same embodiment (closed position). A view of the binding device in Figure 3 as seen from an arrow A. A view of the binding device in Figure 3 as seen from an arrow B. An exploded plan view of the binding device of the same embodiment. An exploded rear view of the binding device of the same embodiment. A partially enlarged plan view for explaining one mode of use of the binding device of the same embodiment. A partially enlarged plan view for explaining one mode of use of the binding device of the same embodiment. A perspective view of the same embodiment. A partially enlarged view of the binding device (open position) of the same embodiment. A partially enlarged view of the binding device (open position) of the same embodiment.
[0021] An embodiment of the present invention will be described below with reference to Figures 1 to 17. For the sake of convenience in the description, the front-back, up-down, left-right directions will be defined based on the settings shown in Figure 1.
[0022] The binder, also called a file, includes a cover body H and a binding device A attached to the spine h3 of the cover body H.
[0023] <<Cover Body H>> The cover body H includes a pair of covers, a front cover h1 and a back cover h2, each formed in a substantially rectangular shape, and a spine h3 provided between the front cover h1 and the back cover h2. The cover body H is formed, for example, by integrating the front cover h1, spine h3, and back cover h2 from a synthetic resin sheet material.
[0024] <<Binding device A>> The binding device A includes non-locking rings C and locking rings D, which are multiple binding rings that can be opened and closed between a closed position (S) in which the document P having the binding holes p1 is bound so that the document P does not come off, and an open position (T) in which the document P having the binding holes p1 can be attached and detached.
[0025] Here, the locking ring D has engaging portions (outward engaging portion d3 and inward engaging portion d4) that are locking means that can maintain the closed position (S). The non-locking ring C can take the closed position (S), but does not itself have engaging portions that are locking means that can maintain the closed position (S).
[0026] The binding device A is provided with three visually identifiable ring groups, namely, first, second, and third ring groups G1, G2, and G3. The binding device A has a plurality of binding rings, namely, twenty non-locking rings C, and two locking rings D, arranged at predetermined locations, to form the three visually identifiable ring groups, namely, the first, second, and third ring groups G1, G2, and G3.
[0027] At both ends in the longitudinal direction, i.e., the vertical direction, of the binding device A, first and second ring groups G1 and G2 are arranged, which are non-locking ring groups consisting of only a plurality, i.e., eight, non-locking rings C that do not have a locking means that can be locked in the closed position (S). In other words, as shown in Figure 15, at both ends in the longitudinal direction that are likely to serve as positioning targets for the documents P to be bound, this binding device A has non-locking ring C groups that are composed only of non-locking rings C that are not provided with a shaped portion that is likely to catch the binding hole p1 of the documents P.
[0028] In the middle of the binding device A in the longitudinal direction, i.e., the vertical direction, there is arranged a third ring group G3 consisting of two locking rings D having an outward engaging portion d3 and an inward engaging portion d4, which are locking means that can be locked in the closed position (S), and four non-locking rings C that do not have locking means that can be locked in the closed position (S).
[0029] The first ring group G1 and the third ring group G3, and the second ring group G2 and the third ring group G3 are spaced apart to an extent that the user's fingers can be inserted, making it easier for the user to apply operating force to the locking rings D arranged on both the top and bottom outer sides of the third ring group G3.
[0030] The binding device A includes a base B and a plurality of binding rings, namely, twenty non-locking rings C and two locking rings D, supported on the base B. The twenty non-locking rings C and two locking rings D include twenty first ring constituent members c1 and two first ring constituent members d1 supported on a first connecting plate 1, and twenty second ring constituent members c2 and two second ring constituent members d2 supported on a second connecting plate 2.
[0031] The binding tool A of this embodiment will be described in detail below.
[0032] <Base B> The base B is elongated in the vertical direction as a whole. The base B includes a first connecting plate 1 extending in the vertical direction and positioned on one side, i.e., the left side, a second connecting plate 2 extending in the vertical direction and positioned on the other side, i.e., the right side, a base body 3 extending in the vertical direction and capable of rotatably supporting the first and second connecting plates 1, 2, and a spring 4 serving as elastic biasing means interposed between the base body 3 and the first connecting plate 1, which is one of the connecting plates.
[0033] [Base body 3] The base body 3 is made of synthetic resin and is elongated in the vertical direction. The base body 3 has mounting holes 31 provided near both vertical ends, end support portions 32 provided at both vertical ends for rotatably supporting the first and second connecting plates 1 and 2, a plurality of intermediate support portions 33 provided between both vertical ends, and a spring mounting portion 34 in which a spring 4 is provided for biasing the first connecting plate 1 in the opening direction using the base body 3 as a foothold.
[0034] The mounting holes 31 of the base body 3 penetrate in the vertical direction and are adapted to receive rivets (not shown) that serve as fasteners for attaching the base body 3 to the spine h3 of the cover body H.
[0035] The end shaft support portions 32 of the base body 3 are generally hole-shaped and rotatably support the end shafts 12, 22 protruding from both longitudinal ends of the first and second connecting plates 1, 2.
[0036] The intermediate shaft support portion 33 of the base body 3 has a partially cylindrical shape and partially surrounds and supports the columnar intermediate shafts 13, 23 provided on the lower surfaces of the first and second connecting plates 1, 2 so as to extend in the vertical direction.
[0037] [First and second connecting plates 1, 2] The first and second connecting plates 1, 2 are each made of synthetic resin and are elongated in the vertical direction. Each of the first and second connecting plates 1, 2 is a single piece.
[0038] The first and second connecting plates 1, 2 each have a plate-shaped portion 11, 21 extending in the vertical direction when viewed in a plane, end shafts 12, 22 protruding from both ends in the vertical direction, and intermediate shafts 13, 23 arranged between both ends in the vertical direction.
[0039] The first ring constituent members c1, d1 constituting the non-locking ring C and the locking ring D are respectively provided by extending upward integrally from the plate-like portion 11 of the first connecting plate 1.
[0040] The second ring components c2 and d2 constituting the non-locking ring C and the locking ring D are respectively provided as integral extensions upward from the plate-like portion 21 of the second connecting plate 2.
[0041] At both upper and lower ends of the first connecting plate 1, end shafts 12 are provided to protrude upward and downward and are supported by end shaft supports 32, which are recessed bearings provided on the base body 3.
[0042] On the side of the first connecting plate 1 facing the base body 3, multiple intermediate shafts 13 extending in the vertical direction are provided at regular intervals in three locations and supported by intermediate shaft support portions 33, which are shaft holding portions provided on the base body 3.
[0043] A plurality of lower engagement portions 14, which are one type of engagement portions for engaging with the second connecting plate 2, are protruded from the inner edge of the first connecting plate 1, i.e., at two locations spaced apart at a fixed interval. The lower engagement portion 14 comprises a pair of extending rod-like extension portions 14a and a protrusion 14b provided at the extension end of one of the pair of extension portions 14a.
[0044] The lower engaging portion 14 is located below the upper engaging portion 24, which is the other engaging portion protruding from the second connecting plate 2. The lower engaging portion 14 extends from the longitudinal middle portion of the first connecting plate 1 toward the second connecting plate 2.
[0045] End shafts 22 are provided at both upper and lower ends of the second connecting plate 2 so as to protrude upward and downward and are supported by end shaft supports 32, which are recessed bearings provided on the base body 3.
[0046] On the side of the second connecting plate 2 facing the base body 3, multiple intermediate shafts 23 extending in the vertical direction are provided at three locations at regular intervals and supported by intermediate shaft support portions 33, which are shaft holding portions provided on the base body 3.
[0047] An upper engaging portion 24 that engages with the lower engaging portion 14 provided on the first connecting plate 1 is provided on the inner edge of the second connecting plate 2. The upper engaging portion 24 is provided at a position corresponding to the lower engaging portion 14 of the first connecting plate 1. The upper engaging portion 24 has a semicircular portion 24a that protrudes toward the first connecting plate 1 at the middle portion of the longitudinal direction of the second connecting plate 2, and a rail-shaped protruding engaging portion 24b formed on the underside of the portion 24a.
[0048] In this embodiment, a pair of extension portions 14a of the lower engagement portion 14 are arranged to sandwich the rail-shaped protrusion engagement portion 24b of the upper engagement portion 24, and the protrusion 14b of the lower engagement portion 14 engages with a guide hole (not shown) provided in the rail-shaped protrusion engagement portion 24b, so that the two engage with each other in a manner that prevents them from coming apart and allows them to move relative to each other.
[0049] The first and second connecting plates 1 and 2 are interlocked in relative movement, that is, rotation relative to the base body 3, by the engagement of the lower engaging portion 14 and the upper engaging portion 24.
[0050] The first connecting plate 1 supports twenty first ring constituent members c1 that form the left half of the non-locking ring C and two first ring constituent members d1 that form the left half of the locking ring D. The first connecting plate 1 and the first ring constituent members c1 of the non-locking ring C, and the first ring constituent members c1 of the first connecting plate 1 and the locking ring D are integrally molded from synthetic resin.
[0051] The second connecting plate 2 supports twenty second ring constituent members c2 that form the right half of the non-locking ring C and two second ring constituent members d2 that form the right half of the locking ring D. The second connecting plate 2 and the second ring constituent members c2 of the non-locking ring C, and the second connecting plate 2 and the second ring constituent members d2 of the locking ring D are integrally molded from synthetic resin.
[0052] In the binding device A, a single first connecting plate 1 and a single second connecting plate 2 rotate in conjunction with each other relative to the base body 3. Therefore, all of the non-locking rings C and all of the locking rings D operate integrally between a closed position (S) in which the tip ends of the first ring constituent members c1 and d1 and the tip ends of the second ring constituent members c2 and d2 are in contact with, close to, or engaged with each other, and an open position (T) in which the tip ends of the first ring constituent members c1 and d1 and the tip ends of the second ring constituent members c2 and d2 are spaced apart from each other.
[0053] [Spring 4] The spring 4, which is an elastic biasing means, is a so-called torsion coil spring. The spring 4 indirectly biases the non-locking ring C and the locking ring D in the direction in which the non-locking ring C and the locking ring D assume the open position (T).
[0054] The spring 4 is a single spring. That is, the spring 4 is disposed at only one location between the base body 3 and the first connecting plate 1 in the vicinity of the inner edge of the base B in the longitudinal direction of the second ring group G2.
[0055] The spring 4 is disposed in the spring mounting portion 34 of the base body 3. One end of the spring 4 is connected to the spring abutment portion 35 of the base body 3, which serves as the foothold, and the other end is connected to the underside of the first connecting plate 1. The first connecting plate 1 is constantly biased by the spring 4 in the opening direction, i.e., in the direction in which the inner edge of the first connecting plate 1 moves upward.
[0056] When the distal ends (the outward engaging portion d3 and the inward engaging portion d4) of the first and second ring constituent members d1, d2 of the locking ring D are disengaged from each other, the first connecting plate 1 rotates around the axis (the end shaft 12 and the intermediate shaft 13) by receiving a direct elastic biasing force from the spring 4. The first connecting plate 1 is directly biased by the spring 4 in the opening direction, i.e., in the direction in which the inner edge of the first connecting plate 1 moves upward, and rotates around the axis (the end shaft 12 and the intermediate shaft 13).
[0057] At this time, the second connecting plate 2 is also indirectly forced in the opening direction, i.e., in the direction in which the inner edge of the second connecting plate 2 moves upward, in conjunction with the rotation of the first connecting plate 1, because the upper engagement portion 24 provided on the second connecting plate 2 is engaged with the lower engagement portion 14 of the first connecting plate 1, and rotates around the axis (end axis 22 and intermediate axis 23).
[0058] All of the binding rings provided in the binding device A are configured to move integrally between the closed position (S) and the open position (T). The binding device A integrally moves a plurality of first ring constituent members c1, d1 arranged side by side on a single first connecting plate 1, and also integrally moves a plurality of second ring constituent members c2, d2 arranged side by side on a single second connecting plate 2.
[0059] <Regarding the closed position (S) and open position (T) of the non-locking ring C> The closed position (S) of the non-locking ring C is a state in which the tip ends of the first and second ring component members c1 and c2 that make up the non-locking ring C abut or are close to each other.
[0060] In addition, the tip portions of the first and second ring components c1 and c2 of the non-locking ring C are not provided with a structure that resists the biasing force of the spring 4 toward the open position (T) when in the closed position (S).
[0061] In other words, the maintenance of the closed position (S) of the non-locking ring C is left to the locking ring D. The maintenance of the closed position (S) of the non-locking ring C is achieved by the engagement of the respective tip portions (the outward engaging portion d3 and the inward engaging portion d4) of the first and second ring constituent members d1, d2 that make up the locking ring D, thereby locking the locking ring D in the closed position (S).
[0062] The tip portions of the first and second ring constituent members c1 and c2 of the non-locking ring C are smoothly cut out on one side in the extension direction in a plan view. The tip portions of the first and second ring constituent members c1 and c2 of the non-locking ring C do not have an uneven shape that would easily catch on the binding holes p1 provided in the documents P.
[0063] The tip of the first ring component c1 of the non-locking ring C extends in a cantilevered manner from the upper half, which is one side in a plan view, toward the corresponding second ring component c2, i.e., toward the right. The tip of the first ring component c1 of the non-locking ring C is provided with a first opposing surface m1 that faces downward and can abut against a second opposing surface m2 of the second ring component c2 in the closed position (S).
[0064] The tip of the second ring component c2 of the non-locking ring C extends in a cantilevered manner from the lower half, which is one side in a plan view, toward the corresponding first ring component c1, i.e., toward the left. The tip of the second ring component c2 of the non-locking ring C is provided with a second opposing surface m2 that faces upward and can abut against the first opposing surface m1 of the first ring component c1 in the closed position (S).
[0065] The non-locking ring C is in a closed position (S) when a first opposing surface m1 and a second opposing surface m2 provided at the cantilevered tip portions of the first and second ring component members c1 and c2 abut against each other.
[0066] The open position (T) of the non-locking ring C is a state in which the tip ends of the first and second ring constituent members c1, c2 that make up the non-locking ring C are spaced apart in the left-right direction.
[0067] <Regarding the closed position (S) and open position (T) of the locking ring D> The closed position (S) of the locking ring D is a state in which the tip ends of the first and second ring constituent members d1, d2 that make up the locking ring D are engaged with each other. In the closed position (S), the tip ends of the first and second ring constituent members d1, d2 of the locking ring D are configured to engage with each other against the biasing force of the spring 4 in the direction of the open position (T).
[0068] More specifically, an outward engaging portion d3 that constitutes the locking means is provided at the tip of the first ring component d1 of the locking ring D. The outward engaging portion d3 includes a first engaging projection 1t that protrudes outward, i.e., upward, toward the outside in the longitudinal direction of the base B, and a first recess 1w that is adjacent to the first engaging projection 1t and opens upward. A second engaging projection 2t that constitutes an inward engaging portion d4 provided on the second ring component d2 of the locking ring D is positioned in the first recess 1w when the second engaging projection 2t engages with the first engaging projection 1t.
[0069] An inward engaging portion d4, which is an engaging portion that constitutes the locking means, is provided at the tip of the second ring component d2 of the locking ring D. The inward engaging portion d4 includes a second engaging protrusion 2t that protrudes inward, i.e., downward, toward the inside in the longitudinal direction of the base B, and a second recess 2w that is adjacent to the second engaging protrusion 2t and opens downward. The first engaging protrusion 1t provided on the first ring component d1 of the locking ring D is positioned in the second recess 2w when the first engaging protrusion 1t engages with the second engaging protrusion 2t.
[0070] The open position (T) of the locking ring D is a state in which the tip ends of the first and second ring constituent members d1 and d2 that make up the locking ring D are spaced apart in the left-right direction.
[0071] The non-locking ring C and the locking ring D are each biased toward the open position (T) by a spring 4, which is an elastic biasing means disposed on the base B. The non-locking ring C and the locking ring D are maintained in a closed state against the biasing force of the spring 4 by the action of the outward engaging portions d3 and d4, which are locking means provided on the locking ring D, thereby taking the closed position (S).
[0072] The operation for changing the non-locking ring C and the locking ring D from the closed position (S) to the open position (T) is performed, for example, as shown in Fig. 13. That is, the operation is performed by hooking the fingers from above around the first ring component d1 of the locking ring D provided at the upper outermost position in the third ring group G3, and also hooking the fingers from below around the first ring component d1 of the locking ring D provided at the lower outermost position in the third ring group G3, and temporarily elastically deforming the first ring components d1 in directions toward each other (directions toward each other) with the fingers, thereby releasing the engagement between the outward engaging portion d3 provided on the first ring component d1 and the inward engaging portion d4 provided on the second ring component d2.
[0073] <<First, second and third ring groups G1, G2, G3>> The binding device A includes a first ring group G1 which is composed only of a plurality of, i.e. eight, non-locking rings C which are a plurality of binding rings arranged at a predetermined interval w2 and which is located at one end side in the longitudinal direction, i.e. the upper end side in the vertical direction; a second ring group G2 which is composed only of a plurality of, i.e. eight, non-locking rings C which are a plurality of binding rings arranged at a predetermined interval w2 and which is located at the other end side in the longitudinal direction, i.e. the lower end side in the vertical direction; and a third ring group G3 which is composed of a plurality of binding rings arranged at a predetermined interval w2, four non-locking rings C and two locking rings D and which is located between the first ring group G1 and the second ring group G2, i.e. the middle part in the vertical direction, and which is provided so as to be distinguishable from the first and second ring groups G1 and G2.
[0074] <First ring group G1> The first ring group G1 is a collection of eight non-locking rings C, which are multiple binding rings. The first ring group G1 is composed of eight non-locking rings C arranged at approximately equal intervals in the vertical direction. The first ring group G1 is a collection of eight non-locking rings C.
[0075] In this embodiment, the inclination angles of the first and second ring constituent members c1, c2 relative to the first and second connecting plates 1, 2 of the two non-locking rings C located on the outer side (upper side) of the first ring group G1 are made different from the inclination angles of the first and second ring constituent members c1, c2 relative to the first and second connecting plates 1, 2 of the six non-locking rings C located further inward (lower).
[0076] More specifically, the angles of the first and second ring constituent members c1, c2 of the two non-locking rings C located on the outside (upper side) relative to the first and second connecting plates 1, 2 are set to be inclined approximately 0.5° inward, i.e., toward the closed position (S), than the angles of the first and second ring constituent members c1, c2 of the six non-locking rings C located further inward (lower) relative to the first and second connecting plates 1, 2.
[0077] In addition, the inclination angles of the first and second ring constituent members c1, c2 of the six non-locking rings C located on the inner side (lower side) of the first ring group G1 relative to the first and second connecting plates 1, 2 are made different from the inclination angles of the first and second ring constituent members c1, d1, c2, d2 of the four non-locking rings C and two locking rings D that make up the third ring group G3 relative to the first and second connecting plates 1, 2.
[0078] More specifically, the angles of the first and second ring constituent members c1, c2 of the six non-locking rings C located on the inner side (lower side) relative to the first and second connecting plates 1, 2 are set to be inclined inward by approximately 1.5°, i.e., toward the closed position (S), relative to the angles of the first and second ring constituent members c1, c2 of the four non-locking rings C that make up the third ring group G3 relative to the first and second connecting plates 1, 2, and the angles of the first and second ring constituent members d1, d2 of the two locking rings D relative to the first and second connecting plates 1, 2.
[0079] In this embodiment, the binding device A has different spacing dimensions w4, w5, and w6 between the tips (extending ends) of the corresponding first and second ring constituent members c1, d1, c2, and d2 in the open position (T) based on the angle settings of the first and second ring constituent members c1, d1, c2, and d2 relative to the first and second connecting plates 1 and 2.
[0080] That is, as shown in Figure 16, the distance w4 between the tip of the first ring component c1 and the tip of the second ring component c2 in the two non-locking rings C located on the outer side (upper side) of the first ring group G1 is set to be shorter than the distance w5 between the tip of the first ring component c1 and the tip of the second ring component c2 in the six non-locking rings C located further inward (lower side).
[0081] In addition, the distance w5 between the tip of the first ring component c1 and the tip of the second ring component c2 in the six non-locking rings C located on the inner (lower) side of the first ring group G1 is set shorter than the distance w6 between the tip of the first ring component c1 and the tip of the second ring component c2 in the four non-locking rings C that make up the third ring group G3, and the distance w6 between the tip of the first ring component d1 and the tip of the second ring component d2 in the two locking rings D that make up the third ring group G3.
[0082] <Second ring group G2> The second ring group G2 is a collection of multiple non-locking rings C, which are multiple binding rings. The second ring group G2 is composed of eight non-locking rings C arranged at approximately equal intervals in the vertical direction. The second ring group G2 is a collection of eight non-locking rings C.
[0083] In this embodiment, the inclination angles of the first and second ring constituent members c1, c2 of the two non-locking rings C located on the outer side (lower side) of the second ring group G2 relative to the first and second connecting plates 1, 2 are made different from the inclination angles of the first and second ring constituent members c1, c2 of the six non-locking rings C located further inward (upper side) relative to the first and second connecting plates 1, 2.
[0084] More specifically, the inclination angles of the first and second ring constituent members c1, c2 of the two non-locking rings C located on the outside (lower side) relative to the first and second connecting plates 1, 2 are set to be inclined approximately 0.5° inward, i.e., toward the closed position (S), than the inclination angles of the first and second ring constituent members c1, c2 of the six non-locking rings C located further inward (upper side) relative to the first and second connecting plates 1, 2.
[0085] In addition, the inclination angles of the first and second ring constituent members c1, c2 of the six non-locking rings C located on the inner side (upper side) of the second ring group G2 relative to the first and second connecting plates 1, 2 are made different from the inclination angles of the first and second ring constituent members c1, d1, c2, d2 of the four non-locking rings C and two locking rings D that make up the third ring group G3 relative to the first and second connecting plates 1, 2.
[0086] More specifically, the angles of the first and second ring constituent members c1, c2 of the six non-locking rings C located on the inner side (upper side) relative to the first and second connecting plates 1, 2 are set to be inclined approximately 1.5° inward, i.e., toward the closed position (S), relative to the angles of the first and second ring constituent members c1, c2 of the four non-locking rings C that make up the third ring group G3 relative to the first and second connecting plates 1, 2, and the angles of the first and second ring constituent members d1, d2 of the two locking rings D relative to the first and second connecting plates 1, 2.
[0087] In this embodiment, the binding device A has different spacing dimensions w4, w5, and w6 between the tips (extending ends) of the corresponding first and second ring constituent members c1, d1, c2, and d2 in the open position (T) based on the angle settings of the first and second ring constituent members c1, d1, c2, and d2 relative to the first and second connecting plates 1 and 2.
[0088] That is, as shown in Figure 17, the distance w4 between the tip of the first ring component c1 and the tip of the second ring component c2 in the two non-locking rings C located on the outside (lower side) of the second ring group G2 is set to be shorter than the distance w5 between the tip of the first ring component c1 and the tip of the second ring component c2 in the six non-locking rings C located more inward (upper side) than them.
[0089] In addition, the distance w5 between the tip of the first ring component c1 and the tip of the second ring component c2 in the six non-locking rings C located on the inner (upper) side of the second ring group G2 is set shorter than the distance w6 between the tip of the first ring component c1 and the tip of the second ring component c2 in the four non-locking rings C that make up the third ring group G3, and the distance w6 between the tip of the first ring component d1 and the tip of the second ring component d2 in the two locking rings D that make up the third ring group G3.
[0090] <Third ring group G3> The third ring group G3 is a collection of multiple non-locking rings C and multiple locking rings D, which are multiple binding rings. The third ring group G3 is composed of four non-locking rings C and two locking rings D arranged in a row with a substantially equal spacing w2 in the vertical direction. The third ring group G3 is an assembly of four non-locking rings C and two locking rings D.
[0091] The third ring group G3 includes two locking rings D, which are operating rings. The two locking rings D have an outward engaging portion d3 and an inward engaging portion d4, which are locking means that can be locked in the closed position (S).
[0092] The locking means provided on each of the two locking rings D engages an outward engaging portion d3 provided at the tip of the two first ring constituent members d1 that form the two locking rings D with an inward engaging portion d4 provided at the tip of the two second ring constituent members d2 that form the two locking rings D, so that the first ring constituent member d1 and the second ring constituent member d2 do not come apart against the biasing force generated by the spring 4 that acts in the direction of moving them apart.
[0093] Four of the binding rings in the third ring group G3 include non-locking rings C, which are operating rings. The four non-locking rings C do not have locking means that can lock them in the closed position (S). The first and second ring component members c1 and c2 that form each non-locking ring C do not have engaging elements at their respective tip ends that can prevent them from separating from each other.
[0094] That is, the third ring group G3, which is an intermediate ring group, is located between the first and second ring groups G1 and G2, which are non-locking ring groups C provided at both longitudinal ends, and is arranged so as to be visually distinguishable from the first and second ring groups G1 and G2.
[0095] The third ring group G3 comprises a pair of locking rings D, i.e., two locking rings D, arranged at both ends in the vertical direction, and four non-locking rings C, which do not have locking means, arranged between the two locking rings D.
[0096] <Regarding the spacing dimension w1 between adjacent ring groups> The spacing dimension w1 between adjacent ring groups, i.e., the spacing dimension w1 between the first ring group G1 and the third ring group G3, and the spacing dimension w1 between the second ring group G2 and the third ring group G3, is set to be longer than the spacing w2 between adjacent binding rings in each of the first and second ring groups G1 and G2, and is also set to be longer than the spacing w3 between adjacent binding rings in the third ring group G3.
[0097] In other words, the distance w1 between the locking ring D on the upper end side in the third ring group G3 and the first ring group G1, which is a non-locking ring C group, and the distance w1 between the locking ring D on the lower end side in the third ring group G3 and the second ring group G2, which is a non-locking ring C group, are set longer than the distance w2 between adjacent non-locking rings C in the first and second ring groups G1 and G2, which are non-locking ring C groups.
[0098] In this embodiment, the distance w1 between the first ring group G1 and the third ring group G3 and the distance w1 between the second ring group G2 and the third ring group G3 are set to be approximately the same dimension, and are set to be at least twice the distance w2, w3 between adjacent binding rings in the first, second, and third ring groups G1, G2, and G3, respectively.
[0099] The spacing area formed between the first ring group G1 and the third ring group G3, and the spacing area formed between the second ring group G2 and the third ring group G3 are each set to a width that would allow two binding rings to be arranged if the binding rings were virtually arranged at a spacing pitch similar to the spacing pitch between each binding ring in each ring group G1, G2, and G3.
[0100] The interval w2 between adjacent binding rings in each of the first and second ring groups G1 and G2 is set to be shorter than the interval w3 between adjacent binding rings in the third ring group G3. Of course, the interval w2 between adjacent binding rings in each of the first and second ring groups G1 and G2 and the interval w3 between adjacent binding rings in the third ring group G3 may be set to the same dimension.
[0101] <Regarding the operation of the first, second, and third ring groups G1, G2, and G3> In this embodiment, the binding device A is allowed to change its position from the closed position (S) to the open position (T) only by applying an operating force to the two locking rings D included in the third ring group G3.
[0102] More specifically, the binding device A is configured so that the first ring group G1, the second ring group G2, and the third ring group G3 can all be changed in position from a closed position (S) in which the document P is bound to an open position (T) in which the document P can be attached and detached by applying an operating force only to the two locking rings D, which are operating rings set at the top and bottom of the six binding rings that make up the third ring group G3.
[0103] The opening operation of the binding device A, i.e., the operation of changing the position from the closed position (S) to the open position (T), can be performed with a single touch by using the fingers of one hand, i.e., either the left or the right hand, to apply an operating force in a direction toward each other to only the first ring component members d1 of the two locking rings D provided at both the upper and lower ends of the third ring group G3, utilizing the elastic deformation of the members.
[0104] When the user applies an operating force in a direction toward the first ring component d1 of the two locking rings D, the outward engaging portion d3 and the inward engaging portion d4 are disengaged, and the first and second connecting plates 1 and 2, which are constantly biased to open outward by the biasing force of the spring 4, are allowed to rotate, and the position of each of the first ring group G1, the second ring group G2, and the third ring group G3 is changed from the closed position (S) to the open position (T).
[0105] The closing operation of the binding device A, i.e., the operation of changing the position from the open position (T) to the closed position (S), can be performed by using the fingers of one hand, i.e., either the left or the right hand, to apply an operating force in the direction of the closed position (S) to one or more or all or any of the four non-locking rings C and two locking rings D that make up the third ring group G3.
[0106] Furthermore, the closing operation of the binding device A can be performed extremely simply with one touch by randomly grasping the third ring group G3 in the open position (T) with the fingers of one hand, without strictly selecting any specific one from the four non-locking rings C and two locking rings D, and by causing the fingers of that hand to move the member that they are in contact with at that time (i.e., any of the first and second ring component members c1, d1, c2, d2 that make up the four non-locking rings C and two locking rings D) closer together.
[0107] More specifically, the binding device A is configured so that the first ring group G1, the second ring group G2, and the third ring group G3 can change their position from an open position (T) in which the document P can be attached and detached to a closed position (S) in which the document P is bound by applying an operating force only to the operating rings set on one or more of the multiple binding rings in the third ring group G3, i.e., only to all or any of the two locking rings D and four non-locking rings C, which are the operating rings set on the multiple binding rings that make up the third ring group G3.
[0108] In other words, the closing operation of the binding device A, i.e., the operation of changing the position from the open position (T) to the closed position (S), can be performed with a single touch by using the fingers of one hand, i.e., either the left or the right hand, to apply an operating force to all or any (at least one) of the first ring constituent members c1, d1 provided in the third ring group G3 and all or any (at least one) of the second ring constituent members c2, d2.
[0109] When the user performs the closing operation, the two locking rings D that make up the third ring group G3 maintain the closed position (S) against the spring force of the spring 4, so that even if the user lets go, the closed position (S) of all binding rings (i.e., the twenty non-locking rings C and the two locking rings D) is maintained.
[0110] In the above-described embodiment, the binding device A has a plurality of binding rings arranged in a row, so that it can stably bind the document P having the binding holes p1. Moreover, the binding device A is configured so that the operation of opening the plurality of binding rings and the operation of closing the plurality of binding rings can be performed with one touch using only one hand, so that it is easy for the user to operate.
[0111] Furthermore, in the binding device A of the above-described embodiment, at both longitudinal ends that are likely to be positioning targets for the documents P to be bound, a group of non-locking rings C consisting only of non-locking rings C that are not provided with a shaped portion that is likely to catch on the binding holes p1 of the documents P. Therefore, with the binding device A of this embodiment, the documents P can be smoothly attached to and detached from the multiple binding rings.
[0112] As described above, the binding device A of this embodiment comprises a first ring group G1 which is composed of eight non-locking rings C which are multiple binding rings arranged at a predetermined interval w2 and is located at the upper end side which is one end side in the longitudinal direction, i.e., the up-down direction; a second ring group G2 which is composed of eight non-locking rings C which are multiple binding rings arranged at a predetermined interval w2 and is located at the lower end side which is the other end side in the longitudinal direction, i.e., the up-down direction; and a third ring group G3 which is composed of two locking rings D and four non-locking rings C which are multiple binding rings arranged at a predetermined interval w2 and is located between the first ring group G1 and the second ring group G2.
[0113] The binding device A is configured so that the first ring group G1, the second ring group G2, and the third ring group G3 can all be changed in position from a closed position (S) in which the document P is bound to an open position (T) in which the document P can be attached and detached by applying an operating force only to the locking ring D, which is an operating ring set on two of the multiple binding rings in the third ring group G3.
[0114] Therefore, with the binding device A of this embodiment, not only can a document P having a binding hole p1 be stably bound using the first, second, and third ring groups G1, G2, and G3, but it is also configured so that by applying an operating force only to the two locking rings D in the third ring group G3, it can be changed in position from a closed position (S) in which the document P is bound to an open position (T) in which the document P can be attached and detached, thereby providing a binding device A that is easy for the user to operate.
[0115] Each of the first ring group G1, the second ring group G2, and the third ring group G3 is configured to be able to change its position from an open position (T) in which documents P can be attached and detached to a closed position (S) in which documents P are bound by applying an operating force to all or any of the non-locking rings C and locking rings D, which are operating rings set on one or more of the multiple binding rings in the third ring group G3.
[0116] Therefore, with the binding device A of this embodiment, not only can a document P having a binding hole p1 be stably bound using the first, second, and third ring groups G1, G2, and G3, but it is also configured so that by applying an operating force to all or any of the non-locking rings C and locking rings D in the third ring group G3, the position can be changed from an open position (T) in which the document P can be attached and detached to a closed position (S) in which the document P is bound, thereby providing a binding device A that is easy for the user to operate.
[0117] The operating ring includes a locking ring D having a locking means that can be locked in the closed position (S). A change in position from the closed position (S) to the open position (T) is permitted by applying an operating force to the locking ring D.
[0118] Therefore, by simply applying a manual operating force to only the two locking rings D arranged at specific locations, the first, second and third ring groups G1, G2 and G3 can be changed in position from the closed position (S) to the open position (T) with a single touch.
[0119] The operating ring includes a non-locking ring C that does not have a locking means. The position can be changed from the open position (T) to the closed position (S) by applying an operating force in the direction of the closed position (S) to either or both of the non-locking ring C and the locking ring D.
[0120] Therefore, by simply applying an operating force in the direction of the closed position (S) with the fingers to both or either of the non-locking ring C and the locking ring D, which are arranged only in specific locations, the first, second, and third ring groups G1, G2, and G3 can be changed from the open position (T) to the closed position (S) with a single touch.
[0121] The distance w1 between the first ring group G1 and the third ring group G3, and the distance w1 between the second ring group G2 and the third ring group G3 are set to be longer than the predetermined distance w2 between the first, second, and third ring groups G1, G2, and G3, i.e., the distance w2 between adjacent binding rings.
[0122] For this reason, the first, second, and third ring groups G1, G2, and G3 are preferably arranged with non-locking rings C or locking rings D, which are multiple binding rings that engage with binding holes p1 formed in the documents P to be bound, while the setting of the separation dimension w1 makes it possible to preferably identify the first, second, and third ring groups G1, G2, and G3. Furthermore, setting the separation dimension w1 provides excellent design freedom for making it easier for the user's fingers to access the pair of locking rings D, which must receive operating forces in directions toward each other during the opening operation.
[0123] The multiple (eight) non-locking rings C that are the multiple binding rings in the first ring group G1, the multiple (eight) non-locking rings C that are the multiple binding rings in the second ring group G2, and the multiple (two) locking rings D and multiple (four) non-locking rings C that are the multiple binding rings in the third ring group G3 each operate integrally between a closed position (S) and an open position (T).
[0124] Therefore, the first, second, and third ring groups G1, G2, and G3 each operate integrally between the closed position (S) and the open position (T), allowing the user to perform closing and opening operations conveniently.
[0125] The device includes a base B having first and second connecting plates 1 and 2 butted together and supported rotatably on a base body 3. A plurality of binding rings, namely, non-locking rings C and locking rings D, are formed by first ring constituent members c1 and d1 supported by the single first connecting plate 1 and second ring constituent members c2 and d2 supported by the single second connecting plate 2.
[0126] The closed position (S) of the non-locking ring C and the locking ring D is a state in which the tip ends of the first and second ring components c1, d1, c2, and d2 are engaged or abutted against each other. The open position (T) of the non-locking ring C and the locking ring D is a state in which the tip ends of the first and second ring components c1, d1, c2, and d2 are separated from each other.
[0127] The multiple binding rings, non-locking ring C and locking ring D, are biased toward the open position (T) by a spring 4, which is an elastic biasing means, and are closed against that biasing force to assume the closed position (S).
[0128] Therefore, the multiple binding rings, the non-locking ring C and the locking ring D, are biased in the direction of the open position (T) by the spring 4, and take on the closed position (S) when closed against that biasing force, so the open position (T) and the closed position (S) are suitably defined.
[0129] The device includes a base B having first and second connecting plates 1 and 2 butted together and rotatably supported on a base body 3. A plurality of binding rings, namely, non-locking rings C and locking rings D, are formed by first ring constituent members c1 and d1 supported on the first connecting plate 1 and second ring constituent members c2 and d2 supported on the second connecting plate 2. The locking means are an outward engaging portion d3 and an inward engaging portion d4, which are engaging portions provided at the respective tips of the first and second ring constituent members d1 and d2 that constitute the locking ring D.
[0130] Therefore, the non-locking ring C and the locking ring D, which are multiple binding rings, are suitably closed against the biasing force of the spring 4 by engaging the outward engaging portion d3 and the inward engaging portion d4, which are engaging portions provided at the respective tips of the first and second ring constituent members d1 and d2 that make up the locking ring D. Note that the present invention is not limited to the embodiment described above in detail.
[0131] The operating ring is not limited to the ring set in the third ring group. In other words, the binding device may be configured such that any of the first ring group, the second ring group, and the third ring group can be changed in position from a closed position for binding documents to an open position for detaching the documents by applying an operating force only to the operating ring set in one or more of the plurality of binding rings in the first ring group or only to the operating ring set in one or more of the plurality of binding rings in the second ring group.
[0132] Furthermore, any of the first ring group, the second ring group, and the third ring group may be configured to be able to change its position from an open position in which documents can be attached and detached to a closed position in which documents are bound by applying an operating force only to the operating rings set on one or more of the multiple binding rings in the first ring group, or only to the operating rings set on one or more of the multiple binding rings in the second ring group.
[0133] The spacing between adjacent binding rings in the first ring group, the spacing between adjacent binding rings in the second ring group, and the spacing between adjacent binding rings in the third ring group may be different from each other, or there may be no spacing between them.
[0134] The locking means provided on the locking ring may have any suitable configuration as long as it can be locked in the closed position. For example, the locking means does not have to be one that engages horizontally, but may be one that engages vertically.
[0135] A ring group other than the third ring group may be provided inside the first and second ring groups, which are the outer ring groups, or a single binding ring that does not constitute a specific ring group may be provided.
[0136] It is desirable that the third ring group, which is the central ring group, be arranged so as to be distinguishable from the first and second ring groups, which are the outer ring groups. Here, "arranged so as to be distinguishable" means arranged so as to be visually distinguishable.
[0137] In the above-described embodiment, the third ring group is made distinguishable from the first and second ring groups by setting the distance between the third ring group and the first ring group and the distance between the third ring group and the second ring group to be larger than the distance between adjacent binding rings in each ring group, but the method of making the third ring group distinguishable is not limited to this.
[0138] Other specific examples of distinguishable rings include making the color and shape of the third ring group different from those of the first and second ring groups, making the color and shape of the base supporting the third ring group different from those of the base supporting the first and second ring groups, and making the color and shape of the cover body corresponding to the position of the third ring group different from those of the cover body corresponding to the position of the first and second ring groups.
[0139] Each ring group may be formed of two or more binding rings. That is, each ring group does not have to be formed of the number of binding rings shown in the above-described embodiment.
[0140] The locking ring may be provided in a single configuration, or in a configuration in which three or more locking rings are provided.
[0141] In the above-described embodiment, the plurality of binding rings are configured as so-called O-rings, but are not limited to such a configuration. For example, the plurality of binding rings may be configured as so-called D-rings.
[0142] The documents to be bound with the binder are not limited to those made of paper, and may of course be made of synthetic resin.
[0143] Furthermore, the specific configuration of each part is not limited to the above embodiment, and various modifications are possible within the scope of the present invention.
[0144] The present invention can be used as a binding device for binding documents having binding holes and a binder to which the binding device is applied.
[0145] A...Binding device B...Base C...Non-locking ring D...Locking ring 1...First connecting plate 2...Second connecting plate 3...Base body 4...Spring (elastic biasing means) G1...First ring group G2...Second ring group G3...Third ring group c1, d1...First ring constituent member c2, d2...Second ring constituent member (S)...Closed position (T)...Open position
Claims
1. A binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein each of the first ring group, the second ring group, and the third ring group is configured to be changeable from a closed position in which documents are bound to an open position in which the documents can be attached and detached by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the third ring group.
2. A binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein each of the first ring group, the second ring group, and the third ring group is configured to be changeable from an open position in which documents can be attached and detached to a closed position in which the documents are bound by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the third ring group.
3. A binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein all of the first ring group, the second ring group, and the third ring group are configured to be able to change their position from a closed position in which documents are bound to an open position in which the documents can be attached and detached by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the first ring group, or only to an operating ring set on one or more of the plurality of binding rings in the second ring group.
4. A binding device comprising a first ring group comprising a plurality of binding rings arranged at a predetermined interval and located at one end in the longitudinal direction, a second ring group comprising a plurality of binding rings arranged at a predetermined interval and located at the other end in the longitudinal direction, and a third ring group comprising a plurality of binding rings arranged at a predetermined interval and located between the first ring group and the second ring group, wherein all of the first ring group, the second ring group, and the third ring group are configured to be changeable from an open position in which documents can be attached and detached to a closed position in which the documents are bound by applying an operating force only to an operating ring set on one or more of the plurality of binding rings in the first ring group, or only to an operating ring set on one or more of the plurality of binding rings in the second ring group.
5. A binding device according to claim 1, 2, 3 or 4, wherein the operating ring includes a locking ring having a locking means that can lock the closed position, and a change in position from the closed position to the open position is permitted by applying an operating force to the locking ring.
6. A binding device as described in claim 5, wherein the operating ring includes a non-locking ring that does not have the locking means, and the change in position from the open position to the closed position is achieved by applying an operating force in the direction of the closed position to both or either of the non-locking ring and the locking ring.
7. A binding device as described in claim 1, 2, 3 or 4, wherein the distance between the first group of rings and the third group of rings, and the distance between the second group of rings and the third group of rings are set longer than the predetermined intervals between the first, second and third groups of rings, respectively.
8. A binding device as described in claim 1, 2, 3 or 4, wherein the plurality of binding rings in the first ring group, the plurality of binding rings in the second ring group, and the plurality of binding rings in the third ring group each move integrally between the closed position and the open position.
9. A binding device as claimed in claim 1, 2, 3 or 4, comprising a base having first and second connecting plates butted against each other and supported rotatably on a base body, wherein the plurality of binding rings are formed by a first ring component supported on the first connecting plate and a second ring component supported on the second connecting plate, wherein the closed position is a state in which the tip ends of the first and second ring component members are engaged or abutting each other, and wherein the open position is a state in which the tip ends of the first and second ring component members are spaced apart, and wherein the plurality of binding rings are biased in the direction of the open position by an elastic biasing means and adopt the closed position when closed against that biasing force.
10. A binding device as described in claim 5, comprising a base in which first and second connecting plates butted together are supported rotatably relative to a base body, the plurality of binding rings being formed by a first ring component supported by the first connecting plate and a second ring component supported by the second connecting plate, and the locking means being an engaging portion provided at each tip of the first and second ring components.
11. A binder having a cover body provided with the binding device according to claim 1, 2, 3 or 4.
Citation Information
Patent Citations
Loose -leaf notebook presss from both sides
CN206201745U
Binding device
JP2010120368A