CN115042542A - Buckle structure of loose-leaf binder - Google Patents
Buckle structure of loose-leaf binder Download PDFInfo
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- CN115042542A CN115042542A CN202210569103.4A CN202210569103A CN115042542A CN 115042542 A CN115042542 A CN 115042542A CN 202210569103 A CN202210569103 A CN 202210569103A CN 115042542 A CN115042542 A CN 115042542A
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- Prior art keywords
- loose
- buckle
- leaf
- ring
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F3/00—Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor
- B42F3/04—Attachment means of ring, finger or claw form
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Abstract
The invention discloses a buckle structure of a loose-leaf binder, which comprises a buckle cabin and a loose-leaf ring, wherein the buckle cabin adopts a hollow column structure, the curved surface of which is provided with an inlet and outlet opening; the end part of the loose-leaf ring is provided with a positioning block; the locating piece can be followed the business turn over opening and is packed into inside the block and detain the storehouse and carry out the block to connect into a complete ring-type with the loose-leaf ring, the tip that loose-leaf ring and locating piece are connected simultaneously is located the location open slot. The buckle structure can obtain better fixing effect, can ensure that the hinge cannot be easily pulled out in the vertical direction, but can be conveniently put in and taken out from the horizontal direction to meet the effect of loose leaves.
Description
Technical Field
The invention belongs to the technical field of loose-leaf binders, and particularly relates to a buckle structure of a loose-leaf binder.
Background
Raised binders may interfere with writing when the paper is turned to the left. The traditional thread binding notebook has the defects that paper cannot be added like a loose-leaf notebook, and the fixation is inconvenient. The current magnetic loose-leaf ring structure can not well solve the fixing problem, and under the condition of unexpected great force, the magnetic loose-leaf ring can fall off due to great stress.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a buckle structure of a loose-leaf binder.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a fastening structure of a loose-leaf binder comprises a fastening bin and a loose-leaf ring, wherein the fastening bin adopts a hollow column structure, the curved surface of which is provided with an inlet and outlet opening, a containing space is arranged inside the fastening bin, and the planes of the fastening bin are respectively provided with a positioning open slot communicated with the inlet and outlet opening; the end part of the loose-leaf ring is provided with a positioning block; the locating piece can be followed the business turn over opening and is packed into inside the block and detain the storehouse and carry out the block to connect into a complete ring-type with the loose-leaf ring, the tip that loose-leaf ring and locating piece are connected simultaneously is located the location open slot.
Furthermore, the two end parts of the loose-leaf ring are provided with positioning blocks, and the two positioning blocks can be plugged into the clamping buckle bin together from the inlet and outlet opening to be clamped, so that the loose-leaf ring is connected into a complete ring shape; meanwhile, two planes of the clamping buckle bin are respectively provided with a positioning open slot, and the end part of the loose-leaf ring connected with the positioning block is positioned in the positioning open slot.
Furthermore, one end of the loose-leaf ring is provided with a positioning block, the other end of the loose-leaf ring is fixedly connected with the plane of the non-positioning open slot on the clamping buckle bin, the positioning block can be plugged into the clamping buckle bin from the inlet and outlet opening to be clamped, so that the loose-leaf ring is connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring connected with the positioning block is positioned in the positioning open slot.
Furthermore, the clamping buckle bin is one, the plane at the bottom of the clamping buckle bin is fixedly connected to one side of the inner side of the middle envelope of the cover of the loose-leaf book, an inlet and outlet opening of the clamping buckle bin is arranged towards the edge close to the middle envelope, and meanwhile, the plane at the top of the clamping buckle bin is provided with a positioning open slot communicated with the inlet and outlet opening; meanwhile, one end of the loose-leaf ring is fixed on the other side of the inner side of the middle wrapper, the other end of the loose-leaf ring is provided with a positioning block, the positioning block is inserted into the snap-fit fastening bin from an inlet and outlet opening of the snap-fit fastening bin to be clamped, so that the loose-leaf ring and the middle wrapper are matched and connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring connected with the positioning block is positioned in the positioning open slot.
Furthermore, the bottom plane of one clamping buckle bin is fixed on the same horizontal line of the inner side of paper or the side close to the cover, the direction of an inlet and outlet opening of the clamping buckle bin is arranged as required, and meanwhile, the top plane of the clamping buckle bin is provided with a positioning open slot communicated with the inlet and outlet opening; meanwhile, one end of the loose-leaf ring is fixed on the other side of the inner side of the middle paper or the side edge of the cover, the other end of the loose-leaf ring is provided with a positioning block, the positioning block is inserted into the buckling and buckling bin from an inlet and outlet opening of the buckling and buckling bin to be buckled, so that the loose-leaf ring and the paper are matched and connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring connected with the positioning block is positioned in the positioning open slot.
Furthermore, the number of the clamping buckle bins is two, the bottom planes of the two clamping buckle bins are respectively and fixedly connected to the same horizontal line on the inner side of the middle cover of the loose-leaf book cover or the side close to the cover, the inlet and outlet openings of the two clamping buckle bins are respectively arranged oppositely towards the outside, and meanwhile, the top planes of the two clamping buckle bins are provided with positioning open slots communicated with the inlet and outlet openings; meanwhile, the two end parts of the loose-leaf ring are provided with positioning blocks, the two positioning blocks are respectively plugged into the corresponding clamping buckle bins from the corresponding inlet and outlet openings to be clamped, so that the loose-leaf ring is matched and connected with the middle cover or the cover into a complete ring shape, and meanwhile, the end part of the loose-leaf ring connected with the positioning blocks is positioned in the positioning open slot.
Further, the cover adopts flexible material, and the length range of cover: minimum length is the vertical length of arranging two block-and-lock knot storehouses of placing, and the maximum length is the length of all hole sites of vertical arrangement on the inclusion paper, the width scope of front cover: the minimum width is the width of one card buckle bin and the maximum length is the full width containing even more than the paper.
Furthermore, the clamping buckle bin is made of hard materials with ferromagnetic substances or non-magnetic hard materials.
Furthermore, the loose-leaf ring is made of soft materials, semi-flexible materials or hard materials.
Furthermore, the positioning block is made of a hard material or a magnet; if the positioning block and the loose-leaf ring are made of hard materials, the positioning block and the loose-leaf ring are integrally formed; if the locating blocks adopt magnets, the locating blocks or the locating blocks and the clamping buckle bins attract each other.
Has the advantages that: compared with a magnetic type loose-leaf binder structure, the buckle structure can obtain a better fixing effect, can ensure that the loose-leaf binder cannot be easily pulled in the vertical direction, and can be conveniently put in and taken out from the horizontal direction to meet the effect of loose-leaf.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic view of the snap fastener structure of embodiment 1;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a schematic structural view of embodiment 3;
FIG. 5 is a schematic structural view of example 4;
FIG. 6 is a schematic structural view of example 5.
In the figure, 1-a clamping and buckling bin, 2-a loose-leaf ring, 3-a positioning block, 4-a middle cover and 5-a cover;
11-access opening, 12-positioning open slot.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
Example 1
A buckle structure of a loose-leaf binder is shown in figure 1 and comprises a buckling cabin 1 and a loose-leaf ring 2, wherein the buckling cabin 1 is of a hollow column structure, the curved surface of the hollow column structure is provided with an inlet and outlet opening 11, a containing space is arranged inside the buckling cabin 1, and two opposite planes of the buckling cabin 1 are respectively provided with a positioning open slot 12 communicated with the inlet and outlet opening 11; the two ends of the loose-leaf ring 2 are provided with positioning blocks 3; the two positioning blocks 3 can be plugged into the clamping buckle bin 1 from the inlet and outlet opening 11 to be clamped together, so that the loose-leaf ring 2 is connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring 2 connected with the positioning blocks 3 is positioned in the positioning open groove 12. As shown in fig. 2, the present embodiment provides two structures of the snap-fit silo 1, and (a) the inlet/outlet opening 11 of the snap-fit silo 1 is shown to have a larger arc than (b) the inlet/outlet opening 11 of the snap-fit silo 1.
In this embodiment, the snap-fit buckle bin 1 is made of a hard material with ferromagnetic substances, the loose-leaf ring 2 is made of a soft material or a semi-flexible material or a hard material, and the positioning block 3 is made of a hard material or a magnet; if the positioning block 3 and the loose-leaf ring 2 are made of hard materials, the positioning block and the loose-leaf ring are integrally formed; if the positioning blocks 3 adopt magnets, the positioning blocks 3 at the two ends of the loose-leaf ring 2 attract each other and are then arranged in the buckling and buckling bin 1 together.
Example 2
A buckle structure of a loose-leaf binder is shown in figure 3 and comprises a buckling buckle bin 1 and a loose-leaf ring 2, wherein the buckling buckle bin 1 adopts a hollow column structure with a curved surface provided with an inlet and outlet opening 11, a containing space is arranged inside the buckling buckle bin 1, meanwhile, a positioning open slot 12 communicated with the inlet and outlet opening 11 is arranged on one plane of the buckling buckle bin 1, the other opposite plane is fixedly connected to one end of the loose-leaf ring 2, and the other end of the loose-leaf ring 2 is connected with a positioning block 3; the positioning block 3 is plugged into the snap fastening bin 1 from the inlet and outlet opening 11 for clamping, so that the loose-leaf ring 2 is connected into a complete ring shape, and the end part of the loose-leaf ring 2 connected with the positioning block 3 is positioned in the positioning open slot 12.
In this embodiment, the engaging and fastening bin 1 is made of a hard material having a ferromagnetic substance, the loose-leaf ring 2 is made of a soft material or a semi-flexible material or a hard material, and the positioning block 3 is made of a hard material or a magnet. If the loose-leaf ring 2 and the positioning block 3 are made of hard materials, the loose-leaf ring and the positioning block are integrally formed.
Example 3
A buckle structure of a loose-leaf binder is shown in figure 4 and comprises a buckling buckle bin 1 and a loose-leaf ring 2, wherein the buckling buckle bin 1 adopts a hollow column structure, the curved surface of which is provided with an inlet and outlet opening 11, the interior of the buckling buckle bin 1 is provided with an accommodating space, and the top plane of the buckling buckle bin 1 is provided with a positioning open slot 12 communicated with the inlet and outlet opening 11; the bottom plane of the clamping buckle bin 1 is fixedly connected to one side of the inner side of the middle cover 4 of the cover of the loose-leaf book, and an inlet and outlet opening 11 of the clamping buckle bin 1 is arranged towards the edge close to the middle cover 4; one end of the loose-leaf ring 2 is fixed on the other side of the inner side of the middle cover 4, the other end of the loose-leaf ring is provided with a positioning block 3, the positioning block 3 is plugged into the clamping buckle bin 1 from an inlet and outlet opening 11 of the clamping buckle bin 1 for clamping, so that the loose-leaf ring 2 and the middle cover 4 are matched and connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring 2 connected with the positioning block 3 is positioned in a positioning open slot 12.
In this embodiment, another form can be provided, in which the bottom plane of one engaging and fastening bin 1 is fixed on the same horizontal line of the inner side of the paper, the direction of the access opening 11 of the engaging and fastening bin 1 is set as required, and the top plane of the engaging and fastening bin 1 is provided with a positioning open slot 12 communicated with the access opening 11; meanwhile, one end of the loose-leaf ring 2 is fixed on the other side of the inner side of the middle paper, the other end of the loose-leaf ring is provided with a positioning block 3, the positioning block 3 is plugged into the buckling and buckling bin 1 from an inlet and outlet opening 11 of the buckling and buckling bin 1 for buckling, so that the loose-leaf ring 2 and the paper are matched and connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring 2 connected with the positioning block 3 is positioned in a positioning open slot 12.
In this embodiment, the engaging and fastening bin 1 is made of a hard material having a ferromagnetic substance, the loose-leaf ring 2 is made of a soft material or a semi-flexible material or a hard material, and the positioning block 3 is made of a hard material or a magnet. If the loose-leaf ring 2 and the positioning block 3 are made of hard materials, the loose-leaf ring and the positioning block are integrally formed.
Example 4
A buckle structure of a loose-leaf binder is shown in figure 5 and comprises two buckling buckle bins 1 and a loose-leaf ring 2, wherein the two buckling buckle bins 1 are of hollow column structures, the curved surfaces of the hollow column structures are provided with an inlet and outlet opening 11, an accommodating space is arranged inside the buckling buckle bins 1, and meanwhile, the top planes of the two buckling buckle bins 1 are provided with positioning open slots 12 communicated with the inlet and outlet opening 11; the bottom planes of the two snap-fit buckling bins 1 are respectively and fixedly connected to the same horizontal line on the inner side of the middle cover 4 of the cover of the loose-leaf book, and the inlet and outlet openings 11 of the two snap-fit buckling bins 1 are respectively and oppositely arranged outwards; the two ends of the loose-leaf ring 2 are provided with positioning blocks 3, the two positioning blocks 3 are respectively plugged into the corresponding clamping buckle bins 1 from the corresponding inlet and outlet openings 11 for clamping, so that the loose-leaf ring 2 and the middle cover 4 are matched and connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring 2 connected with the positioning blocks 3 is positioned in the positioning open slot 12.
In this embodiment, the sizes of the inlet and outlet openings 11 of the two engaging and fastening bins 1 are different, and the sizes of the corresponding positioning blocks 3 are matched, so that one positioning block 3a corresponding to the inlet and outlet opening 11 is easy to engage and take out, and one positioning block 3b corresponding to the inlet and outlet opening 11 is difficult to engage and take out. The clamping buckle bin 1 is made of a hard material with ferromagnetic substances, the loose-leaf ring 2 is made of a soft material or a semi-flexible material or a hard material, and the positioning block 3 is made of a hard material or a magnet. If the loose-leaf ring 2 and the positioning block 3 are made of hard materials, the loose-leaf ring and the positioning block are integrally formed.
Example 5
A buckle structure of a loose-leaf binder is shown in figure 6 and comprises two buckling buckle bins 1 and a loose-leaf ring 2, wherein the two buckling buckle bins 1 are of a hollow column structure, the curved surface of the hollow column structure is provided with an inlet and outlet opening 11, an accommodating space is arranged inside the buckling buckle bins 1, and meanwhile, the top planes of the two buckling buckle bins 1 are provided with positioning open slots 12 communicated with the inlet and outlet opening 11; the bottom planes of the two snap fastener bins 1 are respectively and fixedly connected to two sides of the near side of the cover 5 and are arranged in mirror symmetry relative to the cover 5, and the inlet and outlet openings 11 of the two snap fastener bins 1 are respectively arranged oppositely towards the outside; the two ends of the loose-leaf ring 2 are provided with positioning blocks 3, the two positioning blocks 3 are respectively plugged into the corresponding clamping buckle bins 1 from the corresponding inlet and outlet openings 11 for clamping, so that the loose-leaf ring 2 is matched and connected with the cover 5 into a complete ring shape, and meanwhile, the end part of the loose-leaf ring 2 connected with the positioning blocks 3 is positioned in the positioning open slot 12.
In this embodiment, the sizes of the inlet and outlet openings 11 of the two engaging and fastening bins 1 are different, and the sizes of the corresponding positioning blocks 3 are matched, so that one positioning block 3a corresponding to the inlet and outlet opening 11 is easy to engage and take out, and one positioning block 3b corresponding to the inlet and outlet opening 11 is difficult to engage and take out. The clamping buckle bin 1 is made of hard materials with ferromagnetic substances, the loose-leaf rings 2 are made of soft materials or semi-flexible materials or hard materials, and the positioning blocks 3 are made of hard materials or magnets. If the loose-leaf ring 2 and the positioning block 3 are made of hard materials, the loose-leaf ring and the positioning block are integrally formed.
While the invention has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A buckle structure of a loose-leaf binder is characterized by comprising a buckle cabin and a loose-leaf ring, wherein the buckle cabin adopts a hollow column structure with an inlet and outlet opening on a curved surface; the end part of the loose-leaf ring is provided with a positioning block; the locating piece can be followed the business turn over opening and is packed into inside the block and detain the storehouse and carry out the block to connect into a complete ring-type with the loose-leaf ring, the tip that loose-leaf ring and locating piece are connected simultaneously is located the location open slot.
2. The fastening structure of a binder according to claim 1, wherein the two ends of the binder ring are provided with positioning blocks, and the two positioning blocks can be inserted into the fastening cabin from the inlet and outlet openings together for fastening, so that the binder ring is connected into a complete ring shape; meanwhile, two planes of the clamping buckle bin are respectively provided with a positioning open slot, and the end part of the loose-leaf ring connected with the positioning block is positioned in the positioning open slot.
3. The buckle structure of a loose-leaf binder as claimed in claim 1, wherein a positioning block is provided at one end of the loose-leaf ring, and the other end of the loose-leaf ring is fixedly connected to a plane of the non-positioning opening groove of the snap-fit buckle bin, the positioning block can be inserted into the snap-fit buckle bin from the access opening to be snapped, so that the loose-leaf ring is connected into a complete ring shape, and the end of the loose-leaf ring connected to the positioning block is located in the positioning opening groove.
4. The buckle structure of a loose-leaf binder as claimed in claim 1, wherein the buckle cabin is one, the bottom plane of the buckle cabin is fixedly connected to one side of the inner side of the middle cover of the loose-leaf book cover, the access opening of the buckle cabin is arranged as required, and the top plane of the buckle cabin is provided with a positioning open slot communicated with the access opening; meanwhile, one end of the loose-leaf ring is fixed on the other side of the inner side of the middle wrapper, the other end of the loose-leaf ring is provided with a positioning block, the positioning block is inserted into the snap-fit fastening bin from an inlet and outlet opening of the snap-fit fastening bin to be clamped, so that the loose-leaf ring and the middle wrapper are matched and connected into a complete ring shape, and meanwhile, the end part of the loose-leaf ring connected with the positioning block is positioned in the positioning open slot.
5. The buckle structure of a loose-leaf binder as claimed in claim 1, wherein the number of the snap buckle bins is one, the bottom plane of one snap buckle bin is fixed on the same horizontal line of the inner side of the paper or the side close to the cover, the direction of the access opening of the snap buckle bin is set as required, and the top plane of the snap buckle bin is provided with a positioning open slot communicated with the access opening; meanwhile, one end of the loose-leaf ring is fixed on one side of the inner side of the middle cover or the side of the cover, the other end of the loose-leaf ring is provided with a positioning block, the positioning block is inserted into the buckling and buckling bin from an inlet and outlet opening of the buckling and buckling bin to be buckled, the loose-leaf ring and paper are connected into a complete ring in a matched mode, and meanwhile the end portion, connected with the positioning block, of the loose-leaf ring is located in the positioning open slot.
6. The buckle structure of a loose-leaf binder as claimed in claim 1, wherein the number of the snap-fit buckle bins is two, the bottom planes of the two snap-fit buckle bins are respectively and fixedly connected to the same horizontal line of the inner side of the middle cover of the loose-leaf binder cover or the side close to the cover, the directions of the inlet and outlet openings of the two snap-fit buckle bins are set as required, and the top planes of the two snap-fit buckle bins are provided with positioning open slots communicated with the inlet and outlet openings; meanwhile, the two end parts of the loose-leaf ring are provided with positioning blocks, the two positioning blocks are respectively plugged into the corresponding clamping buckle bins from the corresponding inlet and outlet openings to be clamped, so that the loose-leaf ring is matched and connected with the middle cover or the cover into a complete ring shape, and meanwhile, the end part of the loose-leaf ring connected with the positioning blocks is positioned in the positioning open slot.
7. The buckle structure of a binder according to claim 5 or 6, wherein the cover is made of a bendable material, and the length of the cover is: minimum length is the length of placing two block-and-lock knot storehouses for vertical arrangement, and maximum length is the length of containing all hole sites of vertical arrangement on the paper, the width scope of front cover: the minimum width is the width of one card buckle bin and the maximum length is the full width containing even more than the paper.
8. The buckle structure of a binder according to any one of claims 1 to 6, wherein the buckle chamber is made of a hard material having a ferromagnetic material or a non-magnetic hard material.
9. A clasp arrangement according to any of claims 1 to 6, wherein the rings are of a flexible or semi-flexible or rigid material.
10. The buckle structure of a binder according to any one of claims 1 to 6, wherein the positioning block is made of hard material or magnet; if the positioning block and the loose-leaf ring are made of hard materials, the positioning block and the loose-leaf ring are integrally formed; if the locating blocks adopt magnets, the locating blocks or the locating blocks and the clamping buckle bins attract each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569103.4A CN115042542A (en) | 2022-05-24 | 2022-05-24 | Buckle structure of loose-leaf binder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569103.4A CN115042542A (en) | 2022-05-24 | 2022-05-24 | Buckle structure of loose-leaf binder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115042542A true CN115042542A (en) | 2022-09-13 |
Family
ID=83159771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210569103.4A Pending CN115042542A (en) | 2022-05-24 | 2022-05-24 | Buckle structure of loose-leaf binder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115042542A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3004637B1 (en) * | 1998-11-20 | 2000-01-31 | 徹也 加賀美 | Ring binding booklet |
| US20050013653A1 (en) * | 2003-07-16 | 2005-01-20 | Stephen Eun Chin | Self-closing ring binder |
| WO2005113254A1 (en) * | 2004-05-11 | 2005-12-01 | Stephen Eun Chin | Self-closing ring binder |
| US20060251467A1 (en) * | 2005-05-06 | 2006-11-09 | Cheng Hung Y | Travel bar for use with a ring mechanism |
| US20070086838A1 (en) * | 2005-10-06 | 2007-04-19 | Taylor Curtis P | Collapsible ring binder and uses thereof |
| CN212499593U (en) * | 2020-09-15 | 2021-02-09 | 东莞市优蕾斯塑胶科技有限公司 | Loose-leaf binder |
| CN212636970U (en) * | 2020-07-02 | 2021-03-02 | 新昌县海林标准件有限公司 | Automatic ring snap ring |
| CN215347346U (en) * | 2021-04-13 | 2021-12-31 | 德宏师范高等专科学校 | Adopt fixed combination ornament of unilateral buckle |
-
2022
- 2022-05-24 CN CN202210569103.4A patent/CN115042542A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3004637B1 (en) * | 1998-11-20 | 2000-01-31 | 徹也 加賀美 | Ring binding booklet |
| US20050013653A1 (en) * | 2003-07-16 | 2005-01-20 | Stephen Eun Chin | Self-closing ring binder |
| WO2005113254A1 (en) * | 2004-05-11 | 2005-12-01 | Stephen Eun Chin | Self-closing ring binder |
| US20060251467A1 (en) * | 2005-05-06 | 2006-11-09 | Cheng Hung Y | Travel bar for use with a ring mechanism |
| US20070086838A1 (en) * | 2005-10-06 | 2007-04-19 | Taylor Curtis P | Collapsible ring binder and uses thereof |
| CN212636970U (en) * | 2020-07-02 | 2021-03-02 | 新昌县海林标准件有限公司 | Automatic ring snap ring |
| CN212499593U (en) * | 2020-09-15 | 2021-02-09 | 东莞市优蕾斯塑胶科技有限公司 | Loose-leaf binder |
| CN215347346U (en) * | 2021-04-13 | 2021-12-31 | 德宏师范高等专科学校 | Adopt fixed combination ornament of unilateral buckle |
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