CN105901965B - Intelligent library bookshelf - Google Patents
Intelligent library bookshelf Download PDFInfo
- Publication number
- CN105901965B CN105901965B CN201610230374.1A CN201610230374A CN105901965B CN 105901965 B CN105901965 B CN 105901965B CN 201610230374 A CN201610230374 A CN 201610230374A CN 105901965 B CN105901965 B CN 105901965B
- Authority
- CN
- China
- Prior art keywords
- bookshelf
- connecting flange
- gear
- outer cover
- book
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
- A47B63/06—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like with parts, e.g. trays, card containers, movable on pivots or on chains or belts
- A47B63/062—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like with parts, e.g. trays, card containers, movable on pivots or on chains or belts with trays revolving on a vertical axis
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/0091—Electronic or electric devices
Abstract
The invention relates to an intelligent library bookshelf which comprises an outer cover, a movable door, an electromagnet, a bookshelf, a gear ring, a bookshelf mounting seat, a base, a motor, a gear, a code scanner, a keyboard and a central control module. The intelligent book shelf is reasonable in design, can achieve the purpose of intelligently managing books, and is small in occupied space, so that the whole book shelf has an attractive effect.
Description
Technical Field
The invention relates to the field of libraries, in particular to an intelligent library bookshelf.
Background
At present, the existing library bookshelf is poor in book management, a reader cannot put books in a place of original after reading, meanwhile, huge working pressure is caused to a librarian in the process of borrowing and returning the books, and therefore the library bookshelf capable of intelligently managing the books needs to be designed, and meanwhile, the space is saved.
In the prior art, Chinese invention patents are disclosed domestically, the patent number is 201310546223.3, the name is 'rotating bookshelf', a rotating bookshelf is disclosed, and the rotating bookshelf is provided with a bookshelf body and a bookshelf middle shaft and is characterized in that: the bookshelf body is divided into a plurality of small chambers by vertical partition plates and transverse partition plates, and a rotary bottom plate is arranged at the bottom of the bookshelf body. The problem to be solved is that the bookshelf can rotate, so that the whole cylindrical bookshelf can hold books, but the purpose of intelligently managing the books cannot be achieved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the existing defects, a library bookshelf with intelligent book management is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an intelligent library bookshelf comprises an outer cover, a movable door, an electromagnet, a bookshelf, a gear ring, a bookshelf mounting seat, a base, a motor, a gear, a code scanner, a keyboard and a central control module; the outer cover is provided with a book taking opening, and the outer cover on the two sides of the book taking opening is correspondingly provided with a movable door and an electromagnet; a motor is arranged on the side wall of the outer cover with the symmetrical book taking opening, a gear is arranged at the top of the motor, the gear penetrates through the outer cover to be in meshed connection with the gear ring, and a protective cover is arranged outside the motor and the gear; a bar code scanner hanging frame is installed on one side of the protective cover, a bar code scanner is installed on the bar code scanner hanging frame, a keyboard and a clamping groove are further installed on the protective cover, a card reader is installed in the clamping groove, and the bar code scanner, the keyboard and the card reader are respectively connected with the central control module; the tooth ring is arranged on the outer edge of the top of the bookshelf, the bookshelf comprises book lattices, a partition plate, mounting holes and upper guide grooves, the bookshelf forms the book lattices through the partition plate, the mounting holes are formed in the center of the bookshelf, and the upper guide grooves are formed in the bottom surface of the bookshelf; the bookshelf mounting seat comprises a lower guide groove, a central shaft, a lower connecting flange, a connecting hole and an upper connecting flange, the central shaft is mounted in the mounting hole, one end of the central shaft is mounted at the central position of the top of the bookshelf mounting seat, the other end of the central shaft is mounted at the central position of the upper connecting flange, the lower guide groove is mounted at the top of the bookshelf mounting seat, and the lower connecting flange is mounted at the bottom of the bookshelf mounting seat; a rolling body is arranged between the upper guide groove and the lower guide groove; the lower connecting flange and the upper connecting flange are provided with connecting holes with the same number and the same aperture, and the lower connecting flange and the upper connecting flange are connected through bolts; the lower connecting flange and the base are provided with connecting holes with the same number and the same aperture, and the lower connecting flange is connected with the base through bolts.
Furthermore, the central control module comprises a central processing unit, a memory, a motor driving module, a card reader and a bar code identification module.
Furthermore, the bookshelf is a round bookshelf, the outer cover is a cylindrical transparent structure, and the movable bookshelf is made of iron materials.
Furthermore, the number of the bookshelves, the number of the bookshelf mounting seats, the number of the motors and the number of the gears are the same, and the lower connecting flange of each bookshelf mounting seat is connected with the upper connecting flange of the other bookshelf mounting seat end to end.
Furthermore, the base is of a circular structure, and the radius of the base is larger than that of the outer cover.
Furthermore, the book taking opening is of an oval structure.
Furthermore, the top of the outer cover is provided with a lighting lamp.
Furthermore, the partition plate is of a fan-shaped structure.
Furthermore, the gear ring is made of ABS materials.
Further, the gear is made of ABS materials.
The intelligent book management bookshelf has the advantages that the design is reasonable, the purpose of intelligently managing books can be achieved, and meanwhile, the occupied space of the bookshelf is small, so that the overall bookshelf has an attractive effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an exploded structure provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall architecture provided by an embodiment of the present invention;
FIG. 3 is a schematic view of a connection structure of a bookshelf and a bookshelf mounting base according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a housing according to an embodiment of the present invention;
FIG. 5 is a schematic view of a bookshelf structure according to an embodiment of the invention;
FIG. 6 is a schematic view of a bookshelf mounting base according to an embodiment of the invention;
in the figure: 1. the book reading device comprises an outer cover, a book taking port 1.1, a movable door 2, a lighting lamp 3, an electromagnet 4, a bookshelf 5, a book grid 5.1, a partition plate 5.2, a mounting hole 5.3, an upper guide groove 5.4, a gear ring 6, a bookshelf mounting seat 7.1, a lower guide groove 7.2, a central shaft 7.3, a lower connecting flange 7.4, a connecting hole 7.5, an upper connecting flange 8, a base 9, a motor 10, a gear, a protective cover 11, a code scanning device hanger 12, a code scanning device 13, a keyboard 14 and a clamping groove 14.1.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It is to be understood that these examples are for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
As shown in fig. 1-6, fig. 1 is an exploded schematic view provided by an embodiment of the present invention; FIG. 2 is a schematic diagram of the overall architecture provided by an embodiment of the present invention; FIG. 3 is a schematic view of a connection structure of a bookshelf and a bookshelf mounting base according to an embodiment of the invention; FIG. 4 is a schematic diagram of a housing according to an embodiment of the present invention; FIG. 5 is a schematic view of a bookshelf structure according to an embodiment of the invention; fig. 6 is a schematic structural view of a bookshelf mounting base according to an embodiment of the invention.
In a specific embodiment, an intelligent library bookshelf is provided, which comprises an outer cover 1, a movable door 2, an electromagnet 4, a bookshelf 5, a gear ring 6, a bookshelf mounting seat 7, a base 8, a motor 9, a gear 10, a code scanner 13, a keyboard 14 and a central control module; a book taking opening 1.1 is arranged on the outer cover 1, and a movable door 2 and an electromagnet 4 are correspondingly arranged on the outer cover 1 at two sides of the book taking opening 1.1; a motor 9 is arranged on the side wall of the outer cover 1 with the symmetrical book taking opening 1.1, a gear 10 is arranged at the top of the motor 9, the gear 10 penetrates through the outer cover 1 to be meshed and connected with the gear ring 6, and a protective cover 11 is arranged outside the motor 9 and the gear 10; a code scanner hanger 12 is mounted on one side of the protective cover 11, a code scanner 13 is mounted on the code scanner hanger 12, a keyboard 14 and a card slot 14.1 are further mounted on the protective cover 11, a card reader is mounted in the card slot 14.1, and the code scanner 13, the keyboard 14 and the card reader are respectively connected with the central control module; the tooth ring 6 is arranged on the outer edge of the top of the bookshelf 5, the bookshelf 5 comprises book lattices 5.1, partition plates 5.2, mounting holes 5.3 and upper guide grooves 5.4, the bookshelf 5 forms the book lattices 5.1 through the partition plates 5.2, the mounting holes 5.3 are arranged in the center of the bookshelf 5, and the upper guide grooves 5.4 are arranged on the bottom surface of the bookshelf 5; the bookshelf mounting seat 7 comprises a lower guide groove 7.1, a central shaft 7.2, a lower connecting flange 7.3, a connecting hole 7.4 and an upper connecting flange 7.5, the central shaft 7.2 is mounted in the mounting hole 5.3, one end of the central shaft 7.2 is mounted at the central position of the top of the bookshelf mounting seat 7, the other end of the central shaft 7.2 is mounted at the central position of the upper connecting flange 7.5, the lower guide groove 7.1 is mounted at the top of the bookshelf mounting seat 7, and the lower connecting flange 7.3 is mounted at the bottom of the bookshelf mounting seat 7; a rolling body is arranged between the upper guide groove 5.4 and the lower guide groove 7.1; the lower connecting flange 7.3 and the upper connecting flange 7.5 are provided with connecting holes 7.4 with the same number and the same aperture, and the lower connecting flange 7.3 is connected with the upper connecting flange 7.5 through bolts; the lower connecting flange 7.3 and the base 8 are provided with connecting holes 7.4 with the same number and the same aperture, and the lower connecting flange 7.3 is connected with the base 8 through bolts.
Furthermore, the central control module comprises a central processing unit, a memory, a motor driving module, a card reader and a bar code identification module.
In a specific working principle, the bookshelf 5 is a round bookshelf, has the characteristic of small occupied space, meanwhile, the outer cover 1 is a cylindrical transparent structure, which is convenient for readers to find books and is convenient for use, in the specific working process, firstly, the book storage information is recorded into the central processing unit, when a reader needs to read the book, the book reading card is inserted into the card slot 14.1, the card reader identifies the book reading card, meanwhile, the reader inputs keys, such as 'book position is 105 number book lattice, keyboard input 105', the central processing unit identifies the 105 number book lattice position, the motor driving module drives the motor 9, therefore, the motor 9 drives the gear 10 and the gear ring 6 to rotate, so that the No. 105 book lattice rotates to a position corresponding to the book taking port 1.1, the electromagnet 4 is powered off, the movable door 2 is separated from the electromagnet 4, and a reader can take out a book with the No. 105 book lattice from the book taking port 1.1; when a book is returned, a bar code of the book is scanned by using a bar code scanner 13, the position of the book is identified to be a No. 105 book lattice after the bar code information is read by a central processing unit, the motor driving module is driven again to drive the motor 9, so that the motor 9 drives the gear 10 and the gear ring 6 to rotate, the No. 105 book lattice is rotated to a position corresponding to the book taking port 1.1, the electromagnet 4 is powered off, the movable door 2 is separated from the electromagnet 4, the book is stored in the No. 105 book lattice, under other conditions, the electromagnet 4 is connected with the movable door 2 when powered on, and the movable door 2 is made of iron materials; therefore, the intelligent book taking and placing management purpose can be achieved.
Furthermore, the number of the bookshelves 5, the number of the bookshelf mounting seats 7, the number of the motors 9 and the number of the gears 10 are the same, and the lower connecting flange 7.3 of each bookshelf mounting seat 7 is connected with the upper connecting flange 7.5 of the other bookshelf mounting seat 7 end to end, so that the multilayer bookshelves 5 can be mounted, and the space is saved.
Further, the base 8 is of a circular structure, and the radius of the base 8 is larger than that of the outer cover 1.
Furthermore, the book taking opening 1.1 is of an oval structure, so that a reader can take and place books conveniently.
Furthermore, the top of the outer cover 1 is provided with the illuminating lamp 3, so that a reader can conveniently find or read books, and meanwhile, the illuminating lamp 3 also increases the overall attractive effect of the bookshelf.
Furthermore, the partition plates 5.2 are of fan-shaped structures, so that the certificate protection grids 5.1 are of rectangular structures, and books can be stored conveniently.
Furthermore, the gear ring 6 is made of ABS material, and has the advantages of simple manufacture, cost reduction and strong self-lubricating property.
Furthermore, the gear 10 is made of an ABS material, and has the advantages of simple manufacture, cost reduction and strong self-lubricating property.
Compared with the prior art, the bookshelf can realize the purposes of intelligently rotating the bookshelf and identifying the position of a book through the combination of the bookshelf 5, the bookshelf mounting seat 7, the motor 9, the gear 10 and the central control module, thereby realizing the function of intelligently managing the book in a library and further improving the management system of the library.
In light of the foregoing, it will be readily appreciated by those skilled in the art that many changes and modifications may be made in the invention without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides an intelligence library bookshelf, includes dustcoat, dodge gate, electro-magnet, bookshelf, ring gear, bookshelf mount pad, base, motor, gear, bar code collector, keyboard and central control module, its characterized in that: the outer cover is provided with a book taking opening, and the outer cover on the two sides of the book taking opening is correspondingly provided with a movable door and an electromagnet; a motor is arranged on the side wall of the outer cover with the symmetrical book taking opening, a gear is arranged at the top of the motor, the gear penetrates through the outer cover to be in meshed connection with the gear ring, and a protective cover is arranged outside the motor and the gear; a bar code scanner hanging frame is installed on one side of the protective cover, a bar code scanner is installed on the bar code scanner hanging frame, a keyboard and a clamping groove are further installed on the protective cover, a card reader is installed in the clamping groove, and the bar code scanner, the keyboard and the card reader are respectively connected with the central control module; the tooth ring is arranged on the outer edge of the top of the bookshelf, the bookshelf comprises book lattices, a partition plate, mounting holes and upper guide grooves, the bookshelf forms the book lattices through the partition plate, the mounting holes are formed in the center of the bookshelf, and the upper guide grooves are formed in the bottom surface of the bookshelf; the bookshelf mounting seat comprises a lower guide groove, a central shaft, a lower connecting flange, a connecting hole and an upper connecting flange, the central shaft is mounted in the mounting hole, one end of the central shaft is mounted at the central position of the top of the bookshelf mounting seat, the other end of the central shaft is mounted at the central position of the upper connecting flange, the lower guide groove is mounted at the top of the bookshelf mounting seat, and the lower connecting flange is mounted at the bottom of the bookshelf mounting seat; a rolling body is arranged between the upper guide groove and the lower guide groove; the lower connecting flange and the upper connecting flange are provided with connecting holes with the same number and the same aperture, and the lower connecting flange and the upper connecting flange are connected through bolts; the lower connecting flange and the base are provided with connecting holes with the same number and the same aperture, and the lower connecting flange is connected with the base through bolts;
the bookshelf, the bookshelf mounting seats, the motors and the gears are the same in number, and the lower connecting flange of each bookshelf mounting seat is connected with the upper connecting flange of the other bookshelf mounting seat end to end.
2. The intelligent library bookshelf of claim 1, wherein: the central control module comprises a central processor, a memory, a motor driving module, a card reader and a bar code identification module.
3. The intelligent library bookshelf of claim 1, wherein: the bookshelf is a round bookshelf, the outer cover is a cylindrical transparent structure, and the movable door is made of iron materials.
4. The intelligent library bookshelf of claim 1, wherein: the base is of a circular structure, and the radius size of the base is larger than that of the outer cover.
5. The intelligent library bookshelf of claim 1, wherein: the book taking opening is of an oval structure.
6. The intelligent library bookshelf of claim 1, wherein: and the top of the outer cover is provided with a lighting lamp.
7. The intelligent library bookshelf of claim 1, wherein: the partition plate is of a fan-shaped structure.
8. The intelligent library bookshelf of claim 1, wherein: the gear ring is made of ABS material.
9. The intelligent library bookshelf of claim 1, wherein: the gear is made of ABS materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230374.1A CN105901965B (en) | 2016-04-15 | 2016-04-15 | Intelligent library bookshelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230374.1A CN105901965B (en) | 2016-04-15 | 2016-04-15 | Intelligent library bookshelf |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105901965A CN105901965A (en) | 2016-08-31 |
| CN105901965B true CN105901965B (en) | 2020-03-10 |
Family
ID=56746127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610230374.1A Expired - Fee Related CN105901965B (en) | 2016-04-15 | 2016-04-15 | Intelligent library bookshelf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105901965B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859070A (en) * | 2017-01-24 | 2017-06-20 | 贵阳学院 | A kind of Multifunctional bookcase |
| CN107016809B (en) * | 2017-05-17 | 2023-01-24 | 苏智恒 | Intelligent shared bookcase |
| CN107230290A (en) * | 2017-05-27 | 2017-10-03 | 王朝东 | A kind of swinging intelligent positioning bookcase and self-service public browsing system |
| CN107183953A (en) * | 2017-07-17 | 2017-09-22 | 王朝东 | The method of swinging intelligent bookshelf and its control with reducing motor rotational torque |
| CN107485189A (en) * | 2017-08-09 | 2017-12-19 | 陕西科技大学 | A kind of New-type Libraries intelligently use bookshelf |
| CN107749136A (en) * | 2017-11-16 | 2018-03-02 | 肇庆高新区徒瓦科技有限公司 | Self-service library terminal and system |
| CN107736743A (en) * | 2017-11-27 | 2018-02-27 | 熊春林 | Electronic six face bookcase revolving |
| CN107826583A (en) * | 2017-12-04 | 2018-03-23 | 中国石油大学(华东) | A kind of new automaticization bookshelf |
| CN108062831B (en) * | 2018-02-05 | 2023-08-18 | 湖南映享科技有限公司 | Automatic book renting machine |
| CN108364419A (en) * | 2018-05-03 | 2018-08-03 | 郑州亦启智能科技有限公司 | A kind of intelligent rotary type, which takes, goes back bookcase and its operating method |
| CN108713943A (en) * | 2018-05-21 | 2018-10-30 | 佛山市业鹏机械有限公司 | A kind of bookstore's books sale displaying system |
| CN108777037B (en) * | 2018-09-14 | 2023-07-21 | 南京工业职业技术学院 | Intelligent shared bookcase |
| CN109043885A (en) * | 2018-10-19 | 2018-12-21 | 刘焓 | Intelligent bookshelf |
| CN109691798B (en) * | 2018-12-29 | 2021-07-30 | 吉林省农业科学院 | Categorised storing compartment of file for financial accounting |
| CN110103239A (en) * | 2019-05-16 | 2019-08-09 | 江南大学 | A kind of library's access book robot |
| CN110103253A (en) * | 2019-05-16 | 2019-08-09 | 江南大学 | A kind of bookshelf mechanism of library's access book robot |
| CN110522196A (en) * | 2019-09-16 | 2019-12-03 | 安徽信息工程学院 | Intelligent rotating bookshelf |
| CN112056798A (en) * | 2020-09-21 | 2020-12-11 | 渭南师范学院 | File storage device of economic management financial accounting specialty |
| CN113080636A (en) * | 2021-03-31 | 2021-07-09 | 成渝钒钛科技有限公司 | Recording and containing device for blast furnace technology for smelting vanadium titano-magnetite and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472898A (en) * | 1981-05-25 | 1984-09-25 | Lihit Industrial Company Limited | File search apparatus |
| CN2502570Y (en) * | 2001-09-12 | 2002-07-31 | 浙江万马集团电子有限公司 | Intelligence rotary filling cabinet |
| CN201452180U (en) * | 2009-05-25 | 2010-05-12 | 杨欢 | Rotary storage cabinet |
| CN204635494U (en) * | 2015-04-27 | 2015-09-16 | 圣指通科技（北京）有限公司 | A kind of combination sideboard |
-
2016
- 2016-04-15 CN CN201610230374.1A patent/CN105901965B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472898A (en) * | 1981-05-25 | 1984-09-25 | Lihit Industrial Company Limited | File search apparatus |
| CN2502570Y (en) * | 2001-09-12 | 2002-07-31 | 浙江万马集团电子有限公司 | Intelligence rotary filling cabinet |
| CN201452180U (en) * | 2009-05-25 | 2010-05-12 | 杨欢 | Rotary storage cabinet |
| CN204635494U (en) * | 2015-04-27 | 2015-09-16 | 圣指通科技（北京）有限公司 | A kind of combination sideboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105901965A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105901965B (en) | Intelligent library bookshelf | |
| CN205344187U (en) | Rotation type file folder who deposits can be classifyed to file | |
| CN109731792A (en) | A kind of Library sorter | |
| CN210842164U (en) | Categorised student status archive management cabinet convenient to use | |
| CN215918231U (en) | Wisdom library books sorting device based on big data | |
| CN105956502A (en) | Book location management feedback device | |
| CN207906758U (en) | Show equipment and desk | |
| CN210539857U (en) | Intensive archives management location indicating device of intelligence | |
| CN209965689U (en) | Tutor is with archives storage device of student management | |
| CN208425432U (en) | A kind of novel file serried frame insect guard system | |
| CN202407811U (en) | Novel financial cabinet | |
| CN202525533U (en) | Multifunctional combined bookshelf | |
| CN202407820U (en) | Personnel information storage shelf for community management | |
| CN202919508U (en) | Convenient and efficient bookshelf for library | |
| CN216723726U (en) | Intelligent bookshelf | |
| CN207595480U (en) | Card storage mechanism and card storage device | |
| CN217743580U (en) | File strorage device | |
| CN206252112U (en) | Literature search intelligent bookshelf system | |
| CN108061221A (en) | Display device and desk | |
| CN213282166U (en) | Bookcase with combined structure | |
| CN210337325U (en) | Seal checking cabinet | |
| CN218008807U (en) | Book shelf | |
| CN211354496U (en) | Special rotation type newspaper rack in library | |
| CN204926337U (en) | Self service library with human infrared sensor | |
| CN213182969U (en) | Self-service book borrowing and returning machine capable of being used by three persons simultaneously |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200310 Termination date: 20210415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |