CN108851561A - A kind of library management device - Google Patents
A kind of library management device Download PDFInfo
- Publication number
- CN108851561A CN108851561A CN201810582718.4A CN201810582718A CN108851561A CN 108851561 A CN108851561 A CN 108851561A CN 201810582718 A CN201810582718 A CN 201810582718A CN 108851561 A CN108851561 A CN 108851561A
- Authority
- CN
- China
- Prior art keywords
- fixedly installed
- placing box
- sliding
- management device
- library management
- 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.)
- Pending
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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
- A47B31/00—Service or tea tables, trolleys, or wagons
-
- 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
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
- A47B91/066—Swivel gliders
-
- 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
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/10—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of library management devices, including pedestal, placing box is fixedly installed at the top of the pedestal, the top of placing box is opening, first sliding groove is offered on the two sides inner wall of placing box, the first sliding block is slidably fitted in two first sliding grooves, two the first sliding blocks extend to the outside of corresponding first sliding groove and are fixedly installed with the same placement plate, the placement plate is slidably mounted in placing box, motor housing is fixedly installed in the bottom interior wall of placing box, servo motor is fixedly installed on the side inner wall of motor housing, catch bar is fixedly connected on the output shaft of the servo motor.The configuration of the present invention is simple, it is easy to operate, the object in placement plate can be driven to be gone up and down and moved by propelling sheave and using servo motor, can fast removal books, improve work efficiency, alleviate the labor intensity of staff, and save the time.
Description
Technical field
The present invention relates to library management technical field more particularly to a kind of library management devices.
Background technique
Library is to collect, arrange and collect the mechanism that books and reference materials are read and referred to for people, early in B.C. 3000
Year, library had preservation Human Cultural Heritage, exploitation information resources and participation social education etc. functional there have been library,
In library, staff wants the books in the bookshelf of regular finishing book shop, needs to carry books manually, reduces work effect
Rate increases the labor intensity of staff, and wastes time, thus it is proposed that a kind of library management device, with this
To solve the above problems.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of library management dress proposed
It sets.
To achieve the goals above, present invention employs following technical solutions:
A kind of library management device, including pedestal are fixedly installed with placing box, the top of placing box at the top of the pedestal
To be open, first sliding groove is offered on the two sides inner wall of placing box, is slidably fitted with the first sliding block in two first sliding grooves,
Two the first sliding blocks extend to the outside of corresponding first sliding groove and are fixedly installed with the same placement plate, and the placement plate is sliding
It is dynamic to be installed in placing box, motor housing, fixed peace on the side inner wall of motor housing are fixedly installed in the bottom interior wall of placing box
Equipped with servo motor, catch bar is fixedly connected on the output shaft of the servo motor, the top of catch bar extends to motor housing
Outside and be fixedly installed in the bottom of placement plate, the bottom of the pedestal is fixedly mounted there are two symmetrically arranged support column,
The lower rotation of support column is equipped with pulley, and slide opening is offered on support column, and mobile bar is slidably fitted in the slide opening, mobile
One end of bar extends to the outside of slide opening and is fixedly installed with pressing plate, and the bottom of mobile bar is fixedly mounted there are two block, and two
A block matches.
Preferably, the bottom of the placement plate is fixedly mounted there are two buffer spring, and the bottom of two buffer springs is solid
In the bottom interior wall of placing box, two buffer springs are matched for Dingan County.
Preferably, two blocks are arranged at pulley two sides, and two blocks side close to each other is fixedly installed with anti-
Skidding, two non-slip mats are in contact with pulley.
Preferably, second sliding slot is offered on the two sides inner wall of the slide opening, the two sides of mobile bar are fixedly installed with
Second sliding block, the second sliding block are slidably mounted in second sliding slot.
Preferably, it is opened up on the inner wall of the second sliding slot there are two card slot, the second sliding block is opened far from one end of mobile bar
Equipped with limiting slot, limited block is slidably fitted in limiting slot.
Preferably, one end of the limited block extends to the outside of limiting slot and is adapted with card slot, limited block it is another
End is fixedly installed with one end of pressure spring, and the other end of pressure spring is fixedly mounted on the inner wall of limiting slot.
Preferably, the side of the pedestal is fixedly installed with push and pull bar.
Compared with prior art, the beneficial effects of the invention are as follows:
In the present invention, by pedestal, placing box, first sliding groove, the first sliding block, placement plate, motor housing, servo motor, catch bar,
Buffer spring, support column, pulley, push and pull bar, slide opening, second sliding slot, card slot, mobile bar, the second sliding block, limiting slot, limit
Block, pressure spring, block and pressing plate match, when need to carry out books to carry arrange when, push push and pull bar, so that driving
Pulley rotation when being moved to designated position, presses pressing plate, so that pressing plate so that driving the placing box on pedestal mobile
It drives mobile bar to slide in slide opening, so that mobile bar drives block mobile, when block touches pulley, pulley can be fixed
Position, start servo motor, so that servo motor drives placement plate mobile, placement plate drives books mobile, can be to placement
Books on plate carry out point carrying and filling;
The configuration of the present invention is simple, it is easy to operate, the object in placement plate can be driven by propelling sheave and using servo motor
Gone up and down and moved, can fast removal books, improve work efficiency, alleviate the labor intensity of staff, and save
It saves time.
Since the device is mainly applied to places such as libraries, the environment kept quite is top priority.Traditional hard
The noise and buffer wheel effect that wheel and marble floorings collision friction generate are poor, and components collision on cart is caused to produce
Raw noise.Indoors, a cart can reach 90-95 decibels by the noise generated, we also need to pulley thus
Material is transformed, it is made to generate lesser noise.
The pulley material is prepared by following scheme:
Basic material:71 parts of 1,3-butadiene, 29 parts of styrene, auxiliary material:In terms of basic material mass percent, uncle 12
Charcoal base mercaptan 0.07%, ten alkyl hydrosulfide 0.09% of uncle, water 110%, polyoxyethylene cetyl ether 5.5%, isopropyl benzene hydroperoxide
0.04%, four aziridines 0.04%, rongalite 0.01%, chelating agent EDTA0.05%, sodium phosphate 0.07%, dimethyl disulfide is for ammonia
Base sodium formate 0.07%, sodium nitrite 0.08%, N- phenyl-β-naphthylamine 0.12%.
Preparation method is, by water, polyoxyethylene cetyl ether, isopropyl benzene hydroperoxide, four aziridines, rongalite,
Mixed solution is made in chelating agent EDTA, sodium phosphate,
In a kettle by 12 charcoal base mercaptan of styrene and uncle, ten alkyl hydrosulfide mixed dissolution of uncle, 1,3-butadiene is added,
Mixed solution is added in reaction kettle, the polymerization reaction under 6-9 DEG C of environment, 8-10 hours, when conversion ratio reaches 76%, then
Sodium dimethyl dithiocarbamate, sodium nitrite is added, N- phenyl-β-naphthylamine terminates reaction.
Material by using the rubber of above-mentioned steps preparation as pulley has outstanding damping, de-noising effect and prevents
Sliding effect.Especially being used in the present apparatus can greatly reduce in the interior of spacious large volume, such as library and hospital's arenas
Etc. in occasions, the noise that wheel walking generates can be reduced to 40-55 decibels or so, not influence personnel transfer and reading completely.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of library management device proposed by the present invention;
Fig. 2 is a kind of side structure schematic view of library management device proposed by the present invention;
Fig. 3 is part A structural schematic diagram in a kind of Fig. 2 of library management device proposed by the present invention;
Fig. 4 is part B structural schematic diagram in a kind of Fig. 3 of library management device proposed by the present invention.
In figure:1 pedestal, 2 placing boxes, 3 first sliding grooves, 4 first sliding blocks, 5 placement plates, 6 motor housings, 7 servo motors, 8 push away
Lever, 9 buffer springs, 10 support columns, 11 pulleys, 12 push and pull bars, 13 slide openings, 14 second sliding slots, 15 card slots, 16 mobile bars,
17 second sliding blocks, 18 limiting slots, 19 limited blocks, 20 pressure springs, 21 blocks, 22 pressing plate.
Specific embodiment
Referring to Fig.1-4, a kind of library management device, including pedestal 1, the top of pedestal 1 are fixedly installed with placing box
2, the top of placing box 2 is opening, offers first sliding groove 3 on the two sides inner wall of placing box 2, in two first sliding grooves 3
It is slidably fitted with the first sliding block 4, two the first sliding blocks 4 extend to the outside of corresponding first sliding groove 3 and are fixedly installed with same
One placement plate 5, placement plate 5 are slidably mounted in placing box 2, and motor housing 6 is fixedly installed in the bottom interior wall of placing box 2,
It is fixedly installed with servo motor 7 on the side inner wall of motor housing 6, catch bar 8 is fixedly connected on the output shaft of servo motor 7,
The top of catch bar 8 extends to the outside of motor housing 6 and is fixedly installed in the bottom of placement plate 5, and the bottom of pedestal 1 is fixedly mounted
There are two symmetrically arranged support column 10, the lower rotation of support column 10 is equipped with pulley 11, offers slide opening on support column 10
13, be slidably fitted with mobile bar 16 in slide opening 13, one end of mobile bar 16 extend to the outside of slide opening 13 and be fixedly installed with by
Pressing plate 22, the bottom of mobile bar 16 are fixedly mounted there are two block 21, and two blocks 21 match, and in the present invention, pass through pedestal
1, placing box 2, first sliding groove 3, the first sliding block 4, placement plate 5, motor housing 6, servo motor 7, catch bar 8, buffer spring 9, branch
Dagger 10, pulley 11, push and pull bar 12, slide opening 13, second sliding slot 14, card slot 15, mobile bar 16, the second sliding block 17, limiting slot
18, limited block 19, pressure spring 20, block 21 and pressing plate 22 match, when need to carry out books to carry arrange when, promotion pushes away
Pull handle 12, so that rotated with movable pulley 11, so that drive the placing box 2 on pedestal 1 mobile, when being moved to designated position,
Pressing plate 22 is pressed, so that pressing plate 22 drives mobile bar 16 to slide in slide opening 13, so that mobile bar 16 drives block 21 to move
It is dynamic, when block 21 touches pulley 11, the position of pulley 11 can be fixed, starts servo motor 7, so that 7 band of servo motor
Dynamic placement plate 5 is mobile, and placement plate 5 drives books mobile, and can the books in placement plate 5 be carried out with point carrying and filling;This hair
Bright structure is simple, easy to operate, the object in placement plate 5 can be driven to carry out by propelling sheave 11 and using servo motor 7
Lifting and mobile, can fast removal books, improve work efficiency, when alleviating the labor intensity of staff, and saving
Between.
In the present invention, the bottom of placement plate 5 is fixedly mounted there are two buffer spring 9, and the bottom of two buffer springs 9 is solid
Dingan County is in the bottom interior wall of placing box 2, and two buffer springs 9 match, and two blocks 21 are arranged at 11 two sides of pulley,
Two sides close to each other of block 21 are fixedly installed with non-slip mat, and two non-slip mats are in contact with pulley 11, slide opening 13
Two sides inner wall on offer second sliding slot 14, the two sides of mobile bar 16 are fixedly installed with the second sliding block 17, the second sliding block
17 are slidably mounted in second sliding slot 14, are opened up on the inner wall of second sliding slot 14 there are two card slot 15, and the second sliding block 17 is far from moving
One end of lever 16 offers limiting slot 18, and limited block 19 is slidably fitted in limiting slot 18, and one end of limited block 19 extends to
The outside of limiting slot 18 is simultaneously adapted with card slot 15, and the other end of limited block 19 is fixedly installed with one end of pressure spring 20, pressure spring 20
The other end be fixedly mounted on the inner wall of limiting slot 18, the side of pedestal 1 is fixedly installed with push and pull bar 12, in the present invention,
Pass through pedestal 1, placing box 2, first sliding groove 3, the first sliding block 4, placement plate 5, motor housing 6, servo motor 7, catch bar 8, buffering
Spring 9, support column 10, pulley 11, push and pull bar 12, slide opening 13, second sliding slot 14, card slot 15, mobile bar 16, the second sliding block
17, limiting slot 18, limited block 19, pressure spring 20, block 21 and pressing plate 22 match, when needing to carry out carrying arrangement to books
When, push and pull bar 12 is pushed, so that being rotated with movable pulley 11, so that driving the placing box 2 on pedestal 1 mobile, is referred to when being moved to
When positioning is set, pressing plate 22 is pressed, so that pressing plate 22 drives mobile bar 16 to slide in slide opening 13, so that mobile bar 16 drives
Block 21 is mobile, when block 21 touches pulley 11, can fix the position of pulley 11, start servo motor 7, so that servo
Motor 7 drives placement plate 5 mobile, and placement plate 5 drives books mobile, and can the books in placement plate 5 be carried out with point carrying and dress
It fills out;The configuration of the present invention is simple, it is easy to operate, the object in placement plate 5 can be driven by propelling sheave 11 and using servo motor 7
Body is gone up and down and is moved, can fast removal books, improve work efficiency, alleviate the labor intensity of staff, and
Save the time.
Working principle:When needing to be managed books, books are placed in placement plate 5, push push and pull bar 12,
So that push and pull bar 12 is rotated with movable pulley 11, so that driving pedestal 1 mobile, pedestal 1 drives the placement plate 5 in placing box 2 to move
It is dynamic, it is to step on pressing plate 22 when pedestal 1 is moved to designated position, so that pressing plate 22 drives mobile bar 16 sliding in slide opening 13
Dynamic, it is mobile that mobile bar 16 drives two blocks 21, so that the second sliding block 17 slides in second sliding slot 14, the second sliding block 17 is driven
Limited block 19 slides in second sliding slot 14, and when limited block 19 slides into the position of card slot 15, limited block 19 is because of pressure spring 20
Elastic reaction slide into card slot 15 so that the position of fixed stop 21 so that the position of the fixed pulley 11 of block 21, at this point,
Start servo motor 7, so that servo motor 7 drives catch bar 8 mobile, catch bar 8 drives placement plate 5 mobile, and placement plate 5 drives
Books are mobile, can books are adjusted and be carried.
The material of the pulley 11 is prepared by following scheme:
Basic material:71 kilograms of 1,3-butadiene, 29 kilograms of styrene, auxiliary material:In terms of basic material mass percent, uncle
12 charcoal base mercaptan 0.07%, ten alkyl hydrosulfide 0.09% of uncle, water 110%, polyoxyethylene cetyl ether 5.5%, isopropylbenzene peroxide
Change hydrogen 0.04%, four aziridines 0.04%, rongalite 0.01%, chelating agent EDTA0.05%, sodium phosphate 0.07%, dimethyl disulfide
For carbamic acid sodium 0.07%, sodium nitrite 0.08%, N- phenyl-β-naphthylamine 0.12%.
Preparation method is, by water, polyoxyethylene cetyl ether, isopropyl benzene hydroperoxide, four aziridines, rongalite,
Mixed solution is made in chelating agent EDTA, sodium phosphate,
In a kettle by 12 charcoal base mercaptan of styrene and uncle, ten alkyl hydrosulfide mixed dissolution of uncle, 1,3-butadiene is added,
Mixed solution is added in reaction kettle, the polymerization reaction under 7 DEG C of environment 9 hours, when conversion ratio reaches 76%, adds dimethyl
Nabam, sodium nitrite, N- phenyl-β-naphthylamine terminate reaction.
The wheel hub of the pulley can be made of metal, the rubber made of the one above-mentioned technique of circle of pulley edge package,
Can also wheel be integrally directly pressed into using rubber made of this technique.
By test, under complete vehicle curb condition, the marble floorings in library are carried out, and noise is about 55 decibels, fully loaded
Under books state, noise is 45 decibels.
Claims (9)
1. a kind of library management device, including pedestal(1), which is characterized in that the pedestal(1)Top be fixedly installed with
Placing box(2), placing box(2)Top be opening, placing box(2)Two sides inner wall on offer first sliding groove(3), two
First sliding groove(3)Inside it is slidably fitted with the first sliding block(4), two the first sliding blocks(4)Extend to corresponding first sliding groove(3)
Outside and be fixedly installed with the same placement plate(5), the placement plate(5)It is slidably mounted on placing box(2)It is interior, placing box
(2)Bottom interior wall on be fixedly installed with motor housing(6), motor housing(6)Side inner wall on be fixedly installed with servo motor
(7), the servo motor(7)Output shaft on be fixedly connected with catch bar(8), catch bar(8)Top extend to motor housing
(6)Outside and be fixedly installed in placement plate(5)Bottom, the pedestal(1)Bottom be fixedly mounted there are two be symmetrical arranged
Support column(10), support column(10)Lower rotation pulley is installed(11), support column(10)On offer slide opening(13), institute
State slide opening(13)Inside it is slidably fitted with mobile bar(16), mobile bar(16)One end extend to slide opening(13)Outside and fixed peace
Equipped with pressing plate(22), mobile bar(16)Bottom be fixedly mounted there are two block(21), two blocks(21)It matches.
2. a kind of library management device according to claim 1, which is characterized in that the placement plate(5)Bottom
Buffer spring there are two being fixedly mounted(9), two buffer springs(9)Bottom be fixedly mounted on placing box(2)Bottom in
On wall, two buffer springs(9)It matches.
3. a kind of library management device according to claim 1, which is characterized in that two blocks(21)It is arranged at
Pulley(11)Two sides, two blocks(21)Side close to each other is fixedly installed with non-slip mat, and two non-slip mats are and pulley
(11)It is in contact.
4. a kind of library management device according to claim 1, which is characterized in that the slide opening(13)Two sides in
Second sliding slot is offered on wall(14), mobile bar(16)Two sides be fixedly installed with the second sliding block(17), the second sliding block
(17)It is slidably mounted on second sliding slot(14)It is interior.
5. a kind of library management device according to claim 4, which is characterized in that the second sliding slot(14)It is interior
Card slot there are two being opened up on wall(15), the second sliding block(17)Far from mobile bar(16)One end offer limiting slot(18), limit
Slot(18)Inside it is slidably fitted with limited block(19).
6. a kind of library management device according to claim 5, which is characterized in that the limited block(19)One end
Extend to limiting slot(18)Outside and and card slot(15)It is adapted, limited block(19)The other end be fixedly installed with pressure spring(20)
One end, pressure spring(20)The other end be fixedly mounted on limiting slot(18)Inner wall on.
7. a kind of library management device according to claim 1, which is characterized in that the pedestal(1)Side it is solid
Dingan County is equipped with push and pull bar(12).
8. a kind of library management device according to claim 1, which is characterized in that set on the outside of the pulley 11
There is rubber layer.
9. a kind of library management device according to claim 8, which is characterized in that rubber layer is by following scheme system
It is standby to form:Basic material:71 kilograms of 1,3-butadiene, 29 kilograms of styrene, auxiliary material:With basic material mass percent
Meter, 12 charcoal base mercaptan 0.07% of uncle, ten alkyl hydrosulfide 0.09% of uncle, water 110%, polyoxyethylene cetyl ether 5.5%, isopropylbenzene
Hydrogen peroxidase 10 .04%, four aziridines 0.04%, rongalite 0.01%, chelating agent EDTA0.05%, sodium phosphate 0.07%, dimethyl
Nabam 0.07%, sodium nitrite 0.08%, N- phenyl-β-naphthylamine 0.12%, preparation method are, by water, polyoxy second
Mixed solution is made in alkene cetyl ether, isopropyl benzene hydroperoxide, four aziridines, rongalite, chelating agent EDTA, sodium phosphate,
In a kettle by 12 charcoal base mercaptan of styrene and uncle, ten alkyl hydrosulfide mixed dissolution of uncle, 1,3-butadiene is added, will be mixed
It closes solution to be added in reaction kettle, the polymerization reaction under 7 DEG C of environment 9 hours, when conversion ratio reaches 76%, adds dimethyl disulfide
For carbamic acid sodium, sodium nitrite, N- phenyl-β-naphthylamine terminates reaction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810582718.4A CN108851561A (en) | 2018-06-08 | 2018-06-08 | A kind of library management device |
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CN201810582718.4A CN108851561A (en) | 2018-06-08 | 2018-06-08 | A kind of library management device |
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CN108851561A true CN108851561A (en) | 2018-11-23 |
Family
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CN201810582718.4A Pending CN108851561A (en) | 2018-06-08 | 2018-06-08 | A kind of library management device |
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Citations (5)
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---|---|---|---|---|
JP3050213U (en) * | 1997-12-26 | 1998-06-30 | 新日本車輌株式会社 | Wagon for sale in the car |
CN101190069A (en) * | 2007-08-13 | 2008-06-04 | 玉环县精丰利刃具有限公司 | Automatic lifting rotating dining table |
CN204499892U (en) * | 2015-04-15 | 2015-07-29 | 东北林业大学 | The also book car that a kind of library uses |
CN107788697A (en) * | 2017-10-24 | 2018-03-13 | 深圳市海矽电子技术有限公司 | A kind of intelligent equipment of ordering |
CN207118737U (en) * | 2017-02-28 | 2018-03-20 | 官洪莲 | A kind of medicine is quiet to shift stroller with center with medicine |
-
2018
- 2018-06-08 CN CN201810582718.4A patent/CN108851561A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3050213U (en) * | 1997-12-26 | 1998-06-30 | 新日本車輌株式会社 | Wagon for sale in the car |
CN101190069A (en) * | 2007-08-13 | 2008-06-04 | 玉环县精丰利刃具有限公司 | Automatic lifting rotating dining table |
CN204499892U (en) * | 2015-04-15 | 2015-07-29 | 东北林业大学 | The also book car that a kind of library uses |
CN207118737U (en) * | 2017-02-28 | 2018-03-20 | 官洪莲 | A kind of medicine is quiet to shift stroller with center with medicine |
CN107788697A (en) * | 2017-10-24 | 2018-03-13 | 深圳市海矽电子技术有限公司 | A kind of intelligent equipment of ordering |
Non-Patent Citations (1)
Title |
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张巧玲 等: "《化工工艺学》", 31 July 2015, 国防工业出版社 * |
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Application publication date: 20181123 |