CN107745733A - Quick book is put to the implementation method of high-rise bookshelf - Google Patents
Quick book is put to the implementation method of high-rise bookshelf Download PDFInfo
- Publication number
- CN107745733A CN107745733A CN201710984115.2A CN201710984115A CN107745733A CN 107745733 A CN107745733 A CN 107745733A CN 201710984115 A CN201710984115 A CN 201710984115A CN 107745733 A CN107745733 A CN 107745733A
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- plate
- books
- pitman
- cross bar
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses quick book to put to the implementation method of high-rise bookshelf, comprises the following steps:Spacing between first supporting plate and the second supporting plate is adjusted according to the quantity of books to be handled, tighten the fixed block in fix bar, pitman is fixed in groove, then books to be handled are individually positioned in the first supporting plate and the second supporting plate, simultaneously, books also can be placed on the pitman between the first supporting plate and the second supporting plate, increase the delivery quantity to books, when the books on to the second supporting plate are placed on the high level of bookshelf, pull contiguous block, so that locating rod removes out of adjustable plate positioning hole, adjust the height of adjustable plate, shorten the distance between the second supporting plate and high-rise bookshelf, adjustable plate is fixed on cross bar again using locating rod, then books administrative staff is stood on ladder, the books being placed in the second supporting plate are quickly returned on high-rise bookshelf.
Description
Technical field
The present invention relates to library field, and in particular to quick book is put to the implementation method of high-rise bookshelf.
Background technology
Library was collection, arrangement, collects mechanism of the books and reference materials for people's reading, reference, early in B.C. 3000
There have been earliest library, library, which has, to be preserved Human Cultural Heritage, exploitation information resources, participates in the duties such as social education
Energy.Since having human society, word has just been generated, is also just arisen at the historic moment for recording carrier-books of these words.
It describes the development and differentiation of human history from ancient times to the present.One of the function in library, seek to collect, process, arrange, section
Learn and manage these precious document resources, so that vast Readers ' Borrowing Books use.Library is as preservation cultures of all ethnic groups wealth
Rich mechanism and it is existing, the preservation human culture ancient books and records task that it undertakes is the most ancient function in library.It is with document
Commenced business activity for material base.But realization due to computer network and science and technology are advanced by leaps and bounds,
Library not only preserves hand-written and printing document, also preserves the resources of other carrier formats, and the purpose preserved be in order to
Preferably use.Library collection substantial amounts of document information content, energetically develops, and is using these document resources widely
One of the important function in library, it is also that library undertakes various functional bases.Due to the production number of today's society document
Amount is big, it is fast to increase, and the type of social document is complicated, various informative;Document it is ageing strong;The spread speed of document is accelerated, text
The content offered is overlapping, and languages used in document are expanding, and the features such as Quality Down, makes people generally feel to use very
It is not easy.By being processed arrangement, the comprehensive guide of scientific analysis to document information content, formation is orderly, has rule in library
Rule, endlessly information flow, more extensive exchanges are carried out with transmitting, reader is better profited from them.The text in library
Offering development of resources includes following several contents:First, the document to shop is carried out an acceptance inspection, register, classify, catalogue, processed, finally
It is formulated to and respectively borrows room, so as to science framed bent, rational circulation;Second, document information content outside shop is scanned for, filtered,
As virtual collections, broader, efficiently information channel is formed;3rd, pass through computer network operating technology embassy Tibetan language
Offer and move towards digitlization.
Library needs to carry the local many of books, and different places use different types of book carrier, book conveyor, at present books
The book carrier, book conveyor function of being used in shop is more single, the size of book carrier, book conveyor be all it is changeless, book carrier, book conveyor during use,
Book carrier, book conveyor can take the place in library when larger, and when book carrier, book conveyor is smaller, the books limited amount carried every time, undoubtedly increase
The number carried back and forth, it is impossible to meet normal demand, reduce operating efficiency, while existing transport vehicle be not easy to by
Book on transport vehicle is placed on higher bookshelf, while the books in book carrier, book conveyor are quickly returned on bookshelf by inconvenience
The content of the invention
The technical problems to be solved by the invention are to overcome deficiency of the prior art, and it is an object of the present invention to provide quick book is put
To the implementation method of high-rise bookshelf, the size of transport vehicle can be freely adjusted, while can also be quickly by the books in book carrier, book conveyor
It is returned on bookshelf, meets different use demands.
The present invention is achieved through the following technical solutions:
Quick book is put to the implementation method of high-rise bookshelf, is comprised the following steps:Adjusted according to the quantity of books to be handled
The spacing between the first supporting plate and the second supporting plate is saved, tightens the fixed block in fix bar so that pitman can be fixed on
In groove, then books to be handled are individually positioned in the first supporting plate and the second supporting plate, meanwhile, books can also be put
Put on the pitman between the first supporting plate and the second supporting plate, increase the delivery quantity to books, to the second supporting plate
On books when being placed on the high level of bookshelf, pull contiguous block so that locating rod is removed out of adjustable plate positioning hole, and regulation is adjusted
The height of plate is saved, shortens the distance between the second supporting plate and high-rise bookshelf, adjustable plate is fixed on horizontal stroke again using locating rod
On bar, then books administrative staff is stood on ladder, and the books being placed in the second supporting plate are quickly returned into high-rise book
On frame.
Further, pitman is provided between first supporting plate, the both ends of pitman support with two first respectively
Plate connects, and is all provided with the side wall of first supporting plate fluted, and pitman is located in groove, and pitman can be in groove
Interior movement, the end that the pitman is located at groove are provided with fix bar, and fix bar one end is connected with pitman, and the other end is located at
The outside of first supporting plate, pressing plate and fixed block is additionally provided with the fix bar, pressing plate and fixed block are enclosed in fix bar, institute
Fixed block is stated to be connected with fix bar by screw thread, and pressing plate can be fixed in the side wall of the first supporting plate by fixed block, its
In the top of first supporting plate be provided with the first side plate, the top of another the first supporting plate is provided with the second side plate, the first side
The second supporting plate is equipped with the madial wall of plate and the second side plate, and the second supporting plate is identical with the first supporting plate structure.
Further, sliding block is additionally provided with the madial wall of second side plate, sliding block can be along the axis of the second side plate
Direction is moved, and sliding block is connected with the second supporting plate.
Further, projection is additionally provided with the top of first side plate, the side wall of projection is provided with cross bar, and cross bar is interspersed in
On projection, and cross bar can horizontal direction movement in projection interior edge, be additionally provided with contiguous block on cross bar, and contiguous block is towards projection
The side wall in direction is provided with locating rod.
Further, adjustable plate, adjustable plate and the second supporting plate are additionally provided between first side plate and the second supporting plate
Connection, the adjustable plate is provided with chute and some positioning holes, cross bar are interspersed in chute, and cross bar can move in chute
Dynamic, the locating rod is inserted into positioning hole.
Further, flexible member is additionally provided with the cross bar, elastic member is enclosed on cross bar, flexible member be located at projection with
Between adjustable plate, and flexible member is connected with projection.
Further, the groove in first supporting plate and the second supporting plate is two, between two pitmans also
Provided with support bar.
Further, the bottom of first supporting plate is additionally provided with roller.
Further, fixed station is additionally provided with the side wall of first supporting plate, is connected at the top of ladder one end and fixed station
Connect, the other end is connected with the second side plate.
The present invention compared with prior art, has the following advantages and advantages:
1st, the quick book of the present invention is put to the implementation method of high-rise bookshelf, when needing to adjust the width of transport vehicle, is unscrewed
Fixed block in fix bar so that the spacing between the first supporting plate and the second supporting plate can be adjusted by pitman, full
The use demand of sufficient different in width, while avoid transport vehicle space-consuming;
2nd, the quick book of the present invention is put to the implementation method of high-rise bookshelf, is put by the books being placed in the second supporting plate
Return when on high-rise bookshelf, the height of two the second supporting plates can be adjusted by adjusting rod, reduce the second supporting plate and high level
The distance between bookshelf, in order to quickly place books on the shelf, improve operating efficiency;
3rd, books can quickly be returned to the carrier of bookshelf by the present invention, conveniently can will using the ladder on fixed station
Books are returned on high-rise bookshelf, improve operating efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the top view of the second supporting plate of the invention;
Fig. 3 is the structural representation of adjustable plate of the present invention;
Fig. 4 is the top view of cross bar of the present invention and contiguous block;
Fig. 5 is the structural representation of ladder of the present invention.
Mark and corresponding parts title in accompanying drawing:
The side plates of 1- first, 2- grooves, the supporting plates of 3- first, 4- pitmans, 5- rollers, the side plates of 6- second, 7- projections, 8- are adjusted
Section plate, the supporting plates of 9- second, 10- sliding blocks, 11- ladders, 12- pressing plates, 13- support bars, 14- fixed blocks, 15- fix bars, 16- are fixed
Position hole, 17- chutes, 18- flexible members, 19- cross bars, 20- locating rods, 21- contiguous blocks, 22- fixed stations.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figures 1 to 5, the quick book of the present invention is put to the implementation method of high-rise bookshelf, is comprised the following steps:According to
The quantity of books to be handled adjusts the spacing between the first supporting plate 3 and the second supporting plate 9, tightens the fixation in fix bar 15
Block 14 so that pitman 4 can be fixed in groove 2, and books to be handled then are individually positioned in into the He of the first supporting plate 3
In second supporting plate 9, meanwhile, books also can be placed on the pitman 4 between the first supporting plate 3 and the second supporting plate 9, increase
Delivery quantity greatly to books;When the books on to the second supporting plate 9 are placed on the high level of bookshelf, contiguous block 21 is pulled, is made
Obtain locating rod 20 to remove out of adjustable plate 8 positioning hole 16, adjust the height of adjustable plate 8, shorten the second supporting plate 9 and high-rise book
The distance between frame, adjustable plate 8 is fixed on cross bar 19 again using locating rod 20, then books administrative staff is stood in ladder
On son 11, the books being placed in the second supporting plate 9 are quickly returned on high-rise bookshelf.
Wherein, the both sides of first supporting plate 3 are all provided with fluted 2, and pitman 4, the pitman 4 are provided with groove 2
Both ends respectively in the groove 2 of two the first supporting plates 3, and pitman 4 can horizontal direction in the interior edge of groove 2 and move
Dynamic, the end that the pitman 4 is located in the groove 2 of the first supporting plate 3 is provided with fix bar 15, the one end of fix bar 15 and pitman
4 connections, the other end is located at the outside of the first supporting plate 3, and when pitman 4 moves in groove 2, fix bar 15 will be connected and then
Rod 4 is moved together, and pressing plate 12 and fixed block 14 are additionally provided with the fix bar 15, and pressing plate 12 and fixed block 14 are enclosed on fixation
On bar 15, and pressing plate 12 and fixed block 14 are respectively positioned on the outside of the first supporting plate 3, and pressing plate 12 is located at fixed block 14 and first
Between fagging 3, the fixed block 14 is connected by screw thread with fix bar 15, rotates fixed block 14, fixed block 14 can be by pressing plate
12 are fixed in the side wall of the first supporting plate 3, when pressing plate 12 is fixed in the side wall of the first supporting plate 3 by fixed block 14, compel
Pitman 4 is also secured in groove 2, so it would be desirable to when adjusting the spacing between two the first supporting plates 3, unscrew fixation
Block 14, pitman 15 is just enabled to be moved in groove 2, so as to realize to spacing between two the first supporting plates 3
Regulation;The top of one of them the first supporting plate 3 is provided with the first side plate 1, and the top of another the first supporting plate 3 is provided with the second side
Plate 6, the first side plate 1 and the second side plate 6 are respectively positioned on the edge at the top of the first supporting plate 3, and the top of first side plate 1 is provided with
Projection 7, projection 7 are provided with cross bar 19, and the level of cross bar 19 is interspersed on projection 7, and cross bar 19 can in the projection 7 along
Horizontal direction moves, and the end in the cross bar 19 direction of second side plate 6 upward is provided with contiguous block 21, and the side of contiguous block 21
Wall is provided with two locating rods 20, and for locating rod 20 towards the direction of projection 7, the cross bar 19 is provided with adjustable plate 8, on adjustable plate 8
Provided with chute 17, chute 17 connects two side walls of adjustable plate 8, and the cross bar 19 is interspersed in the chute 17 of adjustable plate 8, and
And cross bar 19 can move in chute 17, the both sides of the chute 17 are provided with some positioning holes 16, and the both sides of chute 17
Spacing between positioning hole 16 is consistent with the spacing between two locating rods 20 so that locating rod 20 is inserted into positioning hole 16
Interior, when in the positioning hole 16 that the locating rod 20 on contiguous block 21 is inserted on adjustable plate 8, adjustable plate 8 can be fixed on cross bar
On 19, when needing to adjust the height of adjustable plate 8, contiguous block 21 is pulled so that locating rod 20 on contiguous block 21 is from positioning hole
Moved in 16, just can adjust the height of adjustable plate 8, when the height of adjustable plate 8 regulates and then again inserts locating rod 20
Enter with the positioning hole 16 of the sustained height of locating rod 20 in so that adjustable plate 8 is retightened on cross bar 17;On the cross bar 17
Flexible member 18 is additionally provided with, flexible member 18 is spring, has certain iron filings, and the flexible member 18 is enclosed on cross bar 17,
Flexible member 18 does not go flexible member 18 to be connected with projection 7 between projection 7 and adjustable plate 8, when pulling cross bar 17, bullet
Property element 18 will produce elastic force to cross bar 17, prevent that cross bar 17 from coming off from projection 7, while flexible member 18 can be to cross bar 17
Elastic force is improved in the horizontal direction, is inserted in positioning hole 16, is improved further such that the locating rod on contiguous block 21 can be stablized
To the crystallized ability of adjustable plate 8;The adjustable plate 8 is towards being additionally provided with the second supporting plate 9, institute in the side wall in the direction of the first side plate 1
Be provided with slide rail of second side plate 6 towards the direction of the first side plate 1 is stated, slide rail is provided with sliding block 10, and sliding block 10 can be on slide rail
Moved along the axis direction of the first side plate 6, the sliding block 10 is towards also being provided with the second support in the side wall in the direction of the first side plate 1
Plate 9, the supporting plate 3 of the second supporting plate 9 and first is identical structure, i.e., groove 2, groove 2 also are provided with the second supporting plate 9
Pitman 4 also inside is provided with, respectively in the groove 2 of two the second supporting plates 9, the second supporting plate 9 is recessed at the both ends of pitman 4
Fix bar 15 also is provided with the interior pitman 4 of groove 2, fixed block 14 and pressing plate 12, therefore two also equally are provided with fix bar 15
When spacing between first supporting plate 3 is adjusted, the spacing between two the second supporting plates 9 can also be adjusted;First support
Support bar 13 is additionally provided between two pitmans 4 in the supporting plate 9 of plate 3 and second, the effect of support bar 13 is to being placed on two
Books on root pitman 4 are supported, and prevent books from being dropped between two pitmans 4;The bottom of first supporting plate 3
Portion is additionally provided with roller 5, is easy to carry books in library, and fixed station is additionally provided with the side wall of one of them the first supporting plate 3
22, fixed station 22 is provided with ladder 11, and described one end of ladder 11 is connected with fixed station 22, and the other end is connected with the second side plate 6,
When books are returned on high-rise bookshelf, books administrative staff is stood on ladder 11, carrys out hoisting depth, convenient to put books
High-rise bookshelf is back to, improves operating efficiency.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (9)
1. quick book is put to the implementation method of high-rise bookshelf, it is characterised in that is comprised the following steps:According to books to be handled
Quantity adjusts the spacing between the first supporting plate (3) and the second supporting plate (9), tightens the fixed block in fix bar (15)
(14) so that pitman (4) can be fixed in groove (2), and books to be handled then are individually positioned in into the first supporting plate
(3) and in the second supporting plate (9), meanwhile, books also can be placed between the first supporting plate (3) and the second supporting plate (9)
On pitman (4), increase the delivery quantity to books, when the books on to the second supporting plate (9) are placed on the high level of bookshelf,
Pull contiguous block (21) so that locating rod (20) removes out of adjustable plate (8) positioning hole (16), the height of regulation adjustable plate (8)
Degree, shorten the distance between the second supporting plate (9) and high-rise bookshelf, be again fixed on adjustable plate (8) using locating rod (20)
On cross bar (19), then books administrative staff is stood on ladder (11), and the books being placed in the second supporting plate (9) are quick
It is returned on high-rise bookshelf.
2. quick book according to claim 1 is put to the implementation method of high-rise bookshelf, it is characterised in that the pitman
(4) both ends are connected with two the first supporting plates (3) respectively, and groove (2) is connected in the side wall of first supporting plate (3),
And pitman (4) is located in groove (2), and pitman (4) can move in groove (2), and the pitman (4) is located at groove
(2) fix bar (15) is connected on end, fix bar (15) one end is connected with pitman (4), and the other end is positioned at the first support
The outside of plate (3), pressing plate (12) is additionally provided with the fix bar (15), pressing plate (12) and fixed block (14) are enclosed on fix bar
(15) on, the fixed block (14) is connected by screw thread with fix bar (15), and fixed block (14) can be solid by pressing plate (12)
It is scheduled in the side wall of the first supporting plate (3), the top of one of them the first supporting plate (3) is provided with the first side plate (1), and another
The top of one supporting plate (3) is provided with the second side plate (6), on the madial wall of the first side plate (1) and the second side plate (6) with second
Fagging (9) connects, and the second supporting plate (9) is identical with the first supporting plate (3) structure.
3. quick book according to claim 1 is put to the implementation method of high-rise bookshelf, it is characterised in that second side
Sliding block (10) is additionally provided with the madial wall of plate (6), sliding block (10) can move along the axis direction of the second side plate (6), and
Sliding block (10) is connected with the second supporting plate (9).
4. quick book according to claim 1 is put to the implementation method of high-rise bookshelf, it is characterised in that first side
Projection (7) is additionally provided with the top of plate (1), the side wall of projection (7) is provided with cross bar (19), and cross bar (19) is interspersed on projection (7),
And cross bar (19) can horizontal direction movement in projection (7) interior edge, and contiguous block (21), contiguous block are additionally provided with cross bar (19)
(21) side wall towards projection (7) direction is provided with locating rod (20).
5. quick book according to claim 3 is put to the implementation method of high-rise bookshelf, it is characterised in that the adjustable plate
(8) it is connected with the second supporting plate (9), the adjustable plate (8) is provided with chute (17), and cross bar (19) is interspersed in chute (17),
And cross bar (19) can move in chute (17), the locating rod (20) is inserted into positioning hole (16).
6. quick book according to claim 4 is put to the implementation method of high-rise bookshelf, it is characterised in that the cross bar
(19) flexible member (18) is additionally provided with, flexible member (18) is enclosed on cross bar (19), flexible member (18) be located at projection (7) with
Between adjustable plate (8), and flexible member (18) is connected with projection (7).
7. quick book according to claim 1 is put to the implementation method of high-rise bookshelf, it is characterised in that described first
Groove (2) on fagging (3) and the second supporting plate (9) is two, and support bar (13) is additionally provided between two pitmans (4).
8. quick book according to claim 1 is put to the implementation method of high-rise bookshelf, it is characterised in that described first
The bottom of fagging (3) is additionally provided with roller (5).
9. quick book according to claim 1 is put to the implementation method of high-rise bookshelf, it is characterised in that described first
Fixed station (22) is additionally provided with the side wall of fagging (3), ladder (11) one end is connected with the top of fixed station (22), the other end and
Two side plates (6) connect.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710984115.2A CN107745733A (en) | 2017-10-20 | 2017-10-20 | Quick book is put to the implementation method of high-rise bookshelf |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710984115.2A CN107745733A (en) | 2017-10-20 | 2017-10-20 | Quick book is put to the implementation method of high-rise bookshelf |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107745733A true CN107745733A (en) | 2018-03-02 |
Family
ID=61252601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710984115.2A Withdrawn CN107745733A (en) | 2017-10-20 | 2017-10-20 | Quick book is put to the implementation method of high-rise bookshelf |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107745733A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108263455A (en) * | 2018-03-06 | 2018-07-10 | 张超 | A kind of stretchable formula trolley |
-
2017
- 2017-10-20 CN CN201710984115.2A patent/CN107745733A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108263455A (en) * | 2018-03-06 | 2018-07-10 | 张超 | A kind of stretchable formula trolley |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9348801B2 (en) | System and method for automatic page layout | |
Gnoli | Metadata about what? Distinguishing between ontic, epistemic, and documental dimensions in knowledge organization | |
CN107757671A (en) | A kind of application method of tunable carrier | |
CN106503079A (en) | A kind of blog management method and system | |
CN108090228B (en) | Method and device for interaction through cultural cloud platform | |
CN107757670A (en) | A kind of transport vehicle with clean rubbish function | |
CN107745733A (en) | Quick book is put to the implementation method of high-rise bookshelf | |
CN206938814U (en) | Suitable for the adjustable book car of library's finishing book | |
Biten et al. | Ocr-idl: Ocr annotations for industry document library dataset | |
CN103473275A (en) | Automatic image labeling method and automatic image labeling system by means of multi-feature fusion | |
CN107804356A (en) | Books quickly can be returned to the carrier of bookshelf | |
Guerrazzi et al. | Energy evaluation of deep-lane autonomous vehicle storage and retrieval system | |
CN107752396A (en) | Keep implementation method clean and tidy in library | |
CN107772815A (en) | Books are quickly returned to the implementation method of bookshelf | |
CN107697130A (en) | Being capable of free sized books carrier | |
CN107776621A (en) | Improve the book transport vehicle of handling efficiency | |
CN109344325A (en) | The recommended method and device of information based on intelligent meeting plate | |
CN208550421U (en) | Based on books handling device adjustable in school library | |
CN107458433A (en) | Improve the Multifunctional book carrier of book bidding efficiency | |
CN207029234U (en) | It is easy to quickly be placed back into books the book car of bookshelf | |
CN204467441U (en) | A kind of file administration inner panel lifting cabinet | |
CN107692570A (en) | It is easy to student's fast searching to the bookshelf of books | |
CN107499352A (en) | It is easy to put back to books the book car of high-rise bookshelf | |
CN107752459A (en) | The books rack used suitable for library | |
CN107455951A (en) | Avoid the adjustable book searching board lived by books side block |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180302 |
|
WW01 | Invention patent application withdrawn after publication |