CN105667157A - Hand-cranking type pencil sharpener - Google Patents
Hand-cranking type pencil sharpener Download PDFInfo
- Publication number
- CN105667157A CN105667157A CN201610176033.0A CN201610176033A CN105667157A CN 105667157 A CN105667157 A CN 105667157A CN 201610176033 A CN201610176033 A CN 201610176033A CN 105667157 A CN105667157 A CN 105667157A
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- module
- pen
- hand
- pencil sharpener
- rotor plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/02—Sharpeners for pencils or leads with gearing
- B43L23/04—Sharpeners for pencils or leads with gearing with cranked handles
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- Details Of Cutting Devices (AREA)
Abstract
The invention relates to a hand-cranking type pencil sharpener. The hand-cranking type pencil sharpener comprises a pencil fixing module for fixing a pencil to the preset position, a pencil sharpening module for sharpening the pencil, a power module for providing power for the hand-cranking type pencil sharpener and a shell for supporting the hand-cranking type pencil sharpener; the pencil fixing module and the power module are oppositely arranged on the two sides of the shell, and the pencil sharpening module is located inside the shell; and one end of the pencil sharpening module is connected with the pencil fixing module, and the other end of the pencil sharpening module is connected with the power module. The hand-cranking type pencil sharpener is energy-saving, environment-friendly and convenient to carry; and compared with a traditional hand-cranking type pencil sharpener, the hand-cranking type pencil sharpener has the beneficial effects that the service life is long, a core is not prone to being broken, and more labor is saved.
Description
Technical field
The present invention relates to a kind of fine arts stationery, be specially a kind of hand-operated pencil sharpener.
Background technology
In prior art, pencil sharpener divides two kinds of electrodynamic type and hand-rail types, and power-driven sharpener is driven by motorThe rotational automatic pen of cutting of cutter, easy to use, but conventional electric pencil sharpener refuse battery, not energy-conserving and environment-protective, whenBattery electric power is not enough or can not use, and be unfavorable for the manipulative ability that improves children during without external power supply;Traditional hand-operated pencil sharpener is manually cut pen by artificial Propelling pencil with sharpener in cap, easily shakes cutting pencil sharpener in a processMoving, and cutting easily bias of a tool in a process, easily cause disconnected core phenomenon and the impaired problem of blade, anotherOuter traditional hand-operated pencil sharpener is in use more painstaking, the unsuitable disassembling, assembling and replacing of breaks down.
Summary of the invention
In view of this, the object of the invention is to overcome the deficiencies in the prior art, provide a kind of being difficult for to produceThe hand-operated pencil sharpener of disconnected core phenomenon and long service life.
For realizing above object, the present invention adopts following technical scheme:
A kind of hand-operated pencil sharpener, comprise a tool stuck-module for a tool being fixed to predeterminated position,For cut described tool cut pen module, be used to power plant module that hand-operated pencil sharpener provides power withAnd for supporting the housing of described hand-operated pencil sharpener; The described pen module of cutting is positioned at described enclosure interior, instituteState the both sides that are arranged on described housing that a tool stuck-module is relative with described power plant module, described in cut a mouldOne end of piece connects described tool stuck-module, and the other end connects described power plant module;
Described tool stuck-module comprises main cover plate, removable cover, pawl dish, fixture rotor plate and controlKey; Described main cover plate and described removable cover cover to form and hold cavity, described main cover plate and described activityOn cover plate, run through and be provided with pen-laying hole, described removable cover inner surface is provided with jump ring fixed lobe and along instituteState three above positioning convex of the circumferential spaced set of pen-laying hole;
On described fixture rotor plate, offer the through hole corresponding with described pen-laying hole and with described positioning convexLocating slot one to one, described fixture rotor plate is socketed on described positioning convex by described locating slot,Described pawl dish is connected on described fixture rotor plate by described positioning convex one to one;
The edge of described fixture rotor plate is also provided with by keyway, the bottom of described operating key be fastened on described byIn keyway, described operating key by the locating slot on the described fixture rotor plate of up and down drive along described fixedPosition projection is slided, and described pawl dish is stung tight or unclamped a tool by the slip of described fixture rotor plate.
On described removable cover inner surface, be also provided with the jump ring that stops the axially-movable of described fixture rotor plate, instituteState removable cover inner surface and be provided with jump ring fixed lobe, on described fixture rotor plate, corresponding described jump ring is solidDetermine projection and be provided with axial trough, described jump ring is arranged in described axial trough by described jump ring fixed lobe.
The described pen module of cutting comprises knife rest, screw-on cutter, helical milling cutter shaft and deceleration work-saving device, described inThe two ends of knife rest are connected with described tool stuck-module and described power plant module respectively, axial on described knife restBe provided with the taper planing chamber for inserting a tool, described taper planing chamber is coaxial with described pen-laying hole, described inWhat helical milling cutter shaft tilted is arranged on the knife rest that is positioned at described taper planing chamber one side, described screw-on cutterBe arranged on described knife rest by described helical milling cutter shaft, the bottom of described helical milling cutter shaft through knife rest withDescribed deceleration work-saving device connects; Described deceleration work-saving device is inside engaged gear, described inside engaged gearComprise internal gear and external gear, described internal gear and described helical milling cutter shaft are affixed, described external gear and instituteState power plant module and connect, described power plant module is crank, and described crank comprises handle, handwheel and steady pin,Described handwheel is connected on described handle by described steady pin, the other end of described handle and described external toothWheel connects, and described power plant module is by the laborsaving rotation of described work-saving device and described in conducting to, cut pen module and enterRow is cut pen.
The charge box that described housing comprises casing and matches with described casing, described in described charge box is positioned atCut pen module below for depositing pen bits.
Described case material is the one in ABS, PP or PC plastic material.
Described charge box is perspex material.
The bottom of described housing is provided with anti-skidding heelpiece.
The present invention adopts after above technical scheme, produces following beneficial effect:
1, of the present invention tool stuck-module adopts the bottom of operating key is fastened on by keyway, by controlLocating slot on the up and down drive fixture rotor plate of key processed slides along positioning convex, makes pawl dish by folderThe slip of tool rotor plate, to sting tight or to unclamp a tool, coordinates and cuts pen module by fastening a tool interlock, cuts pen sideJust, ensured that pencil sharpener is in use not eccentric, prevented the generation of disconnected core phenomenon;
2, jump ring the axially-movable that has stoped fixture rotor plate is set, further firm making of pencil sharpenerBy performance, strengthen the interlock degree of a tool stuck-module;
3, with the taper planing chamber of the coaxial setting of pen-laying hole, reduced a tool in working angles due to vibrationsAnd rocking of bringing effectively prevents the generation of disconnected core phenomenon; The work-saving device that simultaneously slows down revolves power plant moduleConduct to knife rest thereby turning slows down, make to be equipped with screw-on cutter knife rest can be with larger revolving force rotation,Can cut simply pen even what strength was less is using also, meanwhile, reduce power plant moduleNumber of revolutions, simplifies the structure;
4, the present invention adopts spiral cutter head segmentation cutting, is better than traditional flat cutter head full wafer cutting, due toThe area of segmentation cutting cutting contact within the unit interval is little, and therefore the resistance of cutting is little, frictional force is little,The benefit of bringing is well that the heat that produces of cutting is little, noise is little, cut volume easily, highly efficient durable, cuttingSurface smoothing exquisiteness, the design of spiral cutter head, is more conducive to the maintenance of chip removal and cutter head, and its life-span reaches 5000More than inferior;
5, will mainly play support, contain and protect the case material of internal part effect to select ABS, PPOr PC plastic material, it is durable in use, and plasticity is good, and intensity is high, and smooth surface is not yielding;
6, the charge box in the present invention adopts perspex material to be convenient to observe at any time the work shape of pencil sharpenerState and topple over pen bits, is conducive to protect blade not impaired;
7, the present invention adopts the moulding of horizontal type body, and in lower housing portion, anti-skidding heelpiece is set, and makes hand-rail typePencil sharpener is put more steady.
In sum, energy-conserving and environment-protective of the present invention, easy to carry, with respect to traditional hand-operated pencil sharpener,Long service life, not easily broken core, more laborsaving.
Brief description of the drawings
Fig. 1 is the explosive view of an embodiment in the present invention;
The part of tool fixture assembling schematic diagram in Fig. 2 the present invention;
In Fig. 3 the present invention, cut the assembling schematic diagram of pen module and power plant module.
In figure: 1, a tool stuck-module; 11, removable cover; 111, jump ring fixed lobe; 112, fixedPosition projection; 12, fixture rotor plate; 121, operating key; 122, through hole; 123, pawl dish; 124, cardSpring; 125, locating slot; 13, main cover plate; 14, pen-laying hole; 2, cut pen module; 21, knife rest; 22,Screw-on cutter; 23, helical milling cutter shaft; 24, internal gear; 25, taper planing chamber; 26, external gear; 3,Power plant module; 31, steady pin; 32, handwheel; 33, handle; 4, housing; 41, casing; 42, containMagazine.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
As depicted in figs. 1 and 2, the invention provides a kind of hand-operated pencil sharpener, comprise for by a toolBe fixed to a tool stuck-module 1 of predeterminated position; Cut pen module 2 for what cut described tool; Be used toHand-operated pencil sharpener provides the power plant module 3 of power and for supporting the housing of described hand-operated pencil sharpener4; Wherein cut pen module 2 and be positioned at housing 4 inside, establishes relative with power plant module 3 of tool stuck-module 1Put in the both sides of housing 4, cut one end connecting pen tool stuck-module 1 of pen module 2, the other end connects powerModule 3; Tool stuck-module 1 comprises removable cover 11, fixture rotor plate 12, operating key 121, pawlDish 123 and main cover plate 13; Main cover plate 13 covers to form with removable cover 11 and holds cavity, runs through mainCover plate 13 is provided with pen-laying hole 14 with removable cover 11, and it is fixing protruding that removable cover 11 inner surfaces are provided with jump ringPlay 111 and along more than three positioning convex 112 of described pen-laying hole 14 circumferential spaced sets; FolderOn tool rotor plate 12, offer the through hole corresponding with pen-laying hole 14 122 and with positioning convex 112 one by oneCorresponding locating slot 125, fixture rotor plate 12 is socketed on positioning convex 112 by locating slot 125,Pawl dish 123 is connected on fixture rotor plate 12 by positioning convex 112 one to one; Fixture rotor plate12 edge is also provided with by keyway (not indicating in the drawings by keyway), and the bottom of operating key 121 is fastened onPress in keyway, operating key 121 is fixed by locating slot 125 edges on up and down drive fixture rotor plate 12Position projection 112 is slided, and pawl dish 123 is stung tight or unclamped a tool by the slip of fixture rotor plate 12.
Further: removable cover 11 inner surfaces are provided with and stop described fixture rotor plate 12 axially-movablesJump ring 124, removable cover 11 inner surfaces are provided with jump ring fixed lobe 111, on fixture rotor plate 12Corresponding jump ring fixed lobe 111 is provided with axial trough (axial trough does not indicate in the drawings), and jump ring 124 passes through jump ringFixed lobe 111 is arranged in described axial trough.
Interlock of the present invention is fastening, cuts pen convenient, has ensured that pencil sharpener is in use not eccentric, preventsThe generation of disconnected core phenomenon, and most of parts are assembled together by bayonet socket, for example main cover plateAnd the assembling between removable cover, this assembling mode can make hand-operated pencil sharpener in not impaired feelingsUnder condition, carry out dismounting.
As shown in figures 1 and 3, as selectable embodiment, cut pen module and comprise knife rest 21, spiral shellRevolve milling cutter 22, helical milling cutter shaft 23 and deceleration work-saving device, the two ends of knife rest 21 are fixed with a tool respectivelyModule 1 is connected with power plant module 3, is axially arranged with the taper planing chamber 25 for inserting a tool on knife rest 21,Taper planing chamber 25 is coaxial with pen-laying hole 14, and what helical milling cutter shaft 23 tilted be arranged on is positioned at taper and planesOn the knife rest 21 of chamber 25 1 sides, screw-on cutter 22 is arranged on knife rest 21 by helical milling cutter shaft 23,The bottom of helical milling cutter shaft 23 is connected with deceleration work-saving device through knife rest 21; In deceleration work-saving device isMeshing gear, inside engaged gear comprises internal gear 24 and external gear 26, internal gear 24 and helical milling cutter shaft23 is affixed, and external gear 26 is connected with power plant module 3, and power plant module 3 is crank, and crank comprises handle33, handwheel 32 and steady pin 31, handwheel 32 is connected on handle 33 by steady pin 31, handle 33The other end be connected with external gear 26, power plant module 3 is by the laborsaving rotation of work-saving device and conduct to and cut penModule 2 is cut pen.
Cutting the setting taper planing chamber 25 coaxial with pen-laying hole on pen module, reduce a tool and cutIn journey, due to rocking that vibrations bring, effectively prevent the generation of disconnected core phenomenon; Work-saving device slows down simultaneouslyThereby power plant module rotation is slowed down and conducts to knife rest 21, make to be equipped with screw-on cutter 22 knife rest 21 energyEnough in larger revolving force rotation, reduce the number of revolutions of power plant module 2, simplify the structure, evenThat less the using of strength also can be cut pen simply;
The charge box 42 that housing 4 comprises casing 41 and matches with casing 41, charge box 42 is positioned at cuts penModule 2 belows are used for depositing pen bits.
In order to make mainly to play support, contain and protect the housing 4 of internal part effect durable in use, intensityCase material is chosen as the one in ABS, PP or PC plastic material by height.
In order to observe at any time duty the cleaning pen bits of pencil sharpener, protection blade, charge box 42Select perspex material.
More steady for pencil sharpener is put, the present invention adopts the moulding of horizontal type body, and housing 4 timesPortion arranges anti-skidding heelpiece (anti-skidding heelpiece does not identify in the drawings).
Using method: press operating key 121, a tool is inserted in pen-laying hole 14, penholder is by three pawl dishes123 clampings, nib puts in the taper planing chamber 25 being arranged on knife rest 21, turning handle 33, knife rest21 pivot, and now, internal gear 24 rotates under the effect of external gear 26, and internal gear 24 is affixedScrew-on cutter 22 rotations on the one hand that are integrated, on the other hand around knife rest 21 axle center rotations, these two kindsMotion makes screw-on cutter 22 constantly rotate cutting timber around nib, in the time cutting idle running, has represented pencilThrough having cut.
The present invention is not limited to above-mentioned preferred forms, and any those skilled in the art open of the present inventionUnder showing, all can draw other various forms of products, no matter but in its shape or structure, do any variation,Every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (7)
1. a hand-operated pencil sharpener, is characterized in that, comprises for a tool being fixed to predeterminated positionTool stuck-module (1), for cutting cutting pen module (2), being used to hand-rail type to cut of described toolDevice provides the power plant module (3) of power and for supporting the housing (4) of described hand-operated pencil sharpener;The described pen module (2) of cutting is positioned at described housing (4) inside, described tool stuck-module (1) with described inThe both sides that are arranged on described housing (4) that power plant module (3) is relative, described in cut one of pen module (2)End connects described tool stuck-module (1), and the other end connects described power plant module (3);
Described tool stuck-module (1) comprises removable cover (11), fixture rotor plate (12), controlsKey (121), pawl dish (123) and main cover plate (13); Described main cover plate (13) and described activityCover plate (11) covers to form and holds cavity, runs through described main cover plate (13) and described removable cover (11)Be provided with pen-laying hole (14), described removable cover (11) inner surface is provided with jump ring fixed lobe (111)And along circumferentially more than three positioning convex (112) of spaced set of described pen-laying hole (14);
On described fixture rotor plate (12), offer the through hole (122) corresponding with described pen-laying hole (14)And with described positioning convex (112) locating slot (125) one to one, described fixture rotor plate (12)Be socketed in described positioning convex (112) by described locating slot (125) upper, described pawl dish (123)The described positioning convex (112) that passes through of one correspondence is connected on described fixture rotor plate (12);
The edge of described fixture rotor plate (12) is also provided with by keyway, the bottom of described operating key (121)Described in being fastened on, by keyway, described operating key (121) is by the described fixture rotor plate of up and down drive(12) locating slot (125) on slides along described positioning convex (112), and described pawl dish (123) is logicalThe slip of crossing described fixture rotor plate (12) is stung tight or is unclamped a tool.
2. hand-operated pencil sharpener according to claim 1, is characterized in that, described removable cover (11)On inner surface, be also provided with the jump ring (124) that stops described fixture rotor plate (12) axially-movable, described workMoving cover plate (11) inner surface is provided with jump ring fixed lobe (111), on described fixture rotor plate (12)Corresponding described jump ring fixed lobe (111) is provided with axial trough, and described jump ring (124) is solid by described jump ringFixed projection (111) is arranged in described axial trough.
3. hand-operated pencil sharpener according to claim 1, is characterized in that, described in cut pen module (2)Comprise knife rest (21), screw-on cutter (22), helical milling cutter shaft (23) and deceleration work-saving device, instituteThe two ends of stating knife rest (21) connect with described tool stuck-module (1) and described power plant module (3) respectivelyConnect, on described knife rest (21), be axially arranged with the taper planing chamber (25) for inserting a tool, described coneShape planing chamber (25) is coaxial with described pen-laying hole (14), and what described helical milling cutter shaft (23) tilted establishesPut and be positioned on the knife rest (21) of described taper planing chamber (25) one sides, described screw-on cutter (22)Be arranged on described knife rest (21) by described helical milling cutter shaft (23) upper, described helical milling cutter shaft (23)Bottom be connected with described deceleration work-saving device through knife rest (21); Described deceleration work-saving device is nibbled in beingClose gear, described inside engaged gear comprises internal gear (24) and external gear (26), described internal gear (24)Affixed with described helical milling cutter shaft (23), described external gear (26) is connected with described power plant module (3),Described power plant module (3) is cut pen module (2) by the laborsaving rotation of described work-saving device and described in conducting toCut pen.
4. hand-operated pencil sharpener according to claim 1, is characterized in that, described housing (4)The charge box (42) that comprises casing (41) and match with described casing (41), described charge box (42)Described in being positioned at, cut pen module (2) below and be used for depositing pen bits.
5. hand-operated pencil sharpener according to claim 4, is characterized in that, described housing (4)Material is the one in ABS, PP or PC plastic material.
6. hand-operated pencil sharpener according to claim 4, is characterized in that, described charge box (42)For perspex material.
7. hand-operated pencil sharpener according to claim 4, is characterized in that, described housing (4)Bottom be provided with anti-skidding heelpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176033.0A CN105667157B (en) | 2016-03-25 | 2016-03-25 | Hand-cranking type pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176033.0A CN105667157B (en) | 2016-03-25 | 2016-03-25 | Hand-cranking type pencil sharpener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105667157A true CN105667157A (en) | 2016-06-15 |
| CN105667157B CN105667157B (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610176033.0A Expired - Fee Related CN105667157B (en) | 2016-03-25 | 2016-03-25 | Hand-cranking type pencil sharpener |
Country Status (1)
| Country | Link |
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| CN (1) | CN105667157B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183569A (en) * | 2016-09-27 | 2016-12-07 | 佛山职业技术学院 | A kind of pencil-knife |
| CN106183568A (en) * | 2016-09-27 | 2016-12-07 | 泉州惠安泉创文化用品有限公司 | A kind of pencil sharpener with warning function |
| CN106218284A (en) * | 2016-09-27 | 2016-12-14 | 佛山职业技术学院 | A kind of orientable pencil-knife |
| CN107745596A (en) * | 2017-10-18 | 2018-03-02 | 李大德 | Taper is adjustable pencil sharpener |
| CN110202987A (en) * | 2019-04-25 | 2019-09-06 | 天津备东文具有限公司 | A kind of Multifunctional pencil sharpener |
| CN111660708A (en) * | 2020-06-11 | 2020-09-15 | 徐涛 | Hand-cranking pencil sharpener for children |
| TWI734643B (en) * | 2020-11-06 | 2021-07-21 | 喜德教育股份有限公司 | Building-block type pencil sharpener |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201456835U (en) * | 2009-06-04 | 2010-05-12 | 翁定松 | Hand-operated pencil sharpener |
| CN201573462U (en) * | 2009-11-11 | 2010-09-08 | 莱德企业有限公司 | Adjustable pencil sharpening device |
| CN201610030U (en) * | 2009-11-06 | 2010-10-20 | 福建新代实业有限公司 | Adjustable hob assembly of pencil sharpener |
| CN203418905U (en) * | 2013-05-13 | 2014-02-05 | 吴宝国 | Hand-cranking pencil sharpening device with labor-saving device of internal meshing gear structure |
| CN203543468U (en) * | 2013-08-30 | 2014-04-16 | 义乌市鼎邦文体用品厂 | Pencil sharpener with single knife blade |
-
2016
- 2016-03-25 CN CN201610176033.0A patent/CN105667157B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201456835U (en) * | 2009-06-04 | 2010-05-12 | 翁定松 | Hand-operated pencil sharpener |
| CN201610030U (en) * | 2009-11-06 | 2010-10-20 | 福建新代实业有限公司 | Adjustable hob assembly of pencil sharpener |
| CN201573462U (en) * | 2009-11-11 | 2010-09-08 | 莱德企业有限公司 | Adjustable pencil sharpening device |
| CN203418905U (en) * | 2013-05-13 | 2014-02-05 | 吴宝国 | Hand-cranking pencil sharpening device with labor-saving device of internal meshing gear structure |
| CN203543468U (en) * | 2013-08-30 | 2014-04-16 | 义乌市鼎邦文体用品厂 | Pencil sharpener with single knife blade |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183569A (en) * | 2016-09-27 | 2016-12-07 | 佛山职业技术学院 | A kind of pencil-knife |
| CN106183568A (en) * | 2016-09-27 | 2016-12-07 | 泉州惠安泉创文化用品有限公司 | A kind of pencil sharpener with warning function |
| CN106218284A (en) * | 2016-09-27 | 2016-12-14 | 佛山职业技术学院 | A kind of orientable pencil-knife |
| CN107745596A (en) * | 2017-10-18 | 2018-03-02 | 李大德 | Taper is adjustable pencil sharpener |
| CN107745596B (en) * | 2017-10-18 | 2019-04-16 | 新昌县品顺机械有限公司 | Taper is adjustable pencil sharpener |
| CN110202987A (en) * | 2019-04-25 | 2019-09-06 | 天津备东文具有限公司 | A kind of Multifunctional pencil sharpener |
| CN110202987B (en) * | 2019-04-25 | 2020-11-06 | 义乌市美杰包装制品有限公司 | Multifunctional pencil sharpener |
| CN111660708A (en) * | 2020-06-11 | 2020-09-15 | 徐涛 | Hand-cranking pencil sharpener for children |
| TWI734643B (en) * | 2020-11-06 | 2021-07-21 | 喜德教育股份有限公司 | Building-block type pencil sharpener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105667157B (en) | 2017-04-12 |
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| CB03 | Change of inventor or designer information |
Inventor after: Li Jixia Inventor after: Yang Yanan Inventor after: Zhang Dan Inventor after: Niu Yuhan Inventor after: Wu Ke Inventor before: Li Jixia Inventor before: Yang Yanan Inventor before: Zhang Dan Inventor before: Niu Yuhan Inventor before: Wu Ke |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 |