CN206446333U - A kind of Novel blackboard eraser - Google Patents

A kind of Novel blackboard eraser Download PDF

Info

Publication number
CN206446333U
CN206446333U CN201621342915.1U CN201621342915U CN206446333U CN 206446333 U CN206446333 U CN 206446333U CN 201621342915 U CN201621342915 U CN 201621342915U CN 206446333 U CN206446333 U CN 206446333U
Authority
CN
China
Prior art keywords
frame
powder
collection
powder collecting
collection powder
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
Application number
CN201621342915.1U
Other languages
Chinese (zh)
Inventor
王勇
赵牧川
佘士严
徐菁菁
余常燊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northeast Forestry University
Original Assignee
Northeast Forestry University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Northeast Forestry University filed Critical Northeast Forestry University
Priority to CN201621342915.1U priority Critical patent/CN206446333U/en
Application granted granted Critical
Publication of CN206446333U publication Critical patent/CN206446333U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

本实用新型公开了一种新型黑板檫,包括刷板、吸粉装置、集粉框和集粉盒,所述刷板上设置的若干刷毛之间设置有进灰孔;所述吸粉装置内部设置的十字支撑条下端设置有电机,电机的输出轴上设置有叶片,刷板设置在吸粉装置下端的下框台阶内,吸粉装置上端设置有上框台阶;所述集粉框下端的设置有固定框环,固定框环上设置的凹槽内放置有挡板,集粉框的两侧壁上设置有出风孔,集粉框一侧壁内部还设置有凸台,集粉框另一侧壁设置有滑动口,集粉框通过固定框环设置在下框台阶内;所述滑动口内设置有集粉盒,集粉盒底面上设置有集粉孔,集粉盒上端设置有缺口,集粉盒一侧设置有把手;本实用新型结构简单,体积小巧,移动方便,可以进行广泛推广和应用。

The utility model discloses a new type of blackboard wiper, which comprises a brush board, a powder suction device, a powder collection frame and a powder collection box. Ash inlet holes are arranged between a plurality of bristles arranged on the brush board; inside the powder suction device The lower end of the set cross support bar is provided with a motor, the output shaft of the motor is provided with blades, the brush plate is arranged in the lower frame step of the lower end of the powder suction device, and the upper end of the powder suction device is provided with an upper frame step; the lower end of the powder collection frame There is a fixed frame ring, a baffle is placed in the groove provided on the fixed frame ring, air outlet holes are arranged on the two side walls of the powder collecting frame, a boss is also arranged inside the side wall of the powder collecting frame, and the powder collecting frame The other side wall is provided with a sliding opening, and the powder collecting frame is set in the step of the lower frame through the fixed frame ring; a powder collecting box is arranged in the sliding opening, a powder collecting hole is provided on the bottom surface of the powder collecting box, and a gap is provided at the upper end of the powder collecting box , One side of the powder collecting box is provided with a handle; the utility model has the advantages of simple structure, small volume, convenient movement, and can be widely popularized and applied.

Description

一种新型黑板檫A New Type of Blackboard Sassafras

【技术领域】【Technical field】

本实用新型涉及教具的技术领域,特别是黑板檫的技术领域。The utility model relates to the technical field of teaching aids, in particular to the technical field of blackboard erasers.

【背景技术】【Background technique】

传统教学中常常需要使用粉笔,但是粉笔书写后产生的灰尘会对教师产生一系列的问题,损坏教师身体健康,对肺的危害:粉笔灰很容易被吸入肺,多数被阻留在肺泡内,经过一系列的刺激,化学和免疫的作用便可造成肺部损失,包括呼吸系统炎症和肺通气功能下降,常见的肺部疾病有:慢性、急性肺炎、肺癌、尘肺病等;对眼睛的危害:粉笔粉尘的主要成份碳酸钙、氧化钙等是一种水溶性物质,容易溶解于水,并产生碱性物质,粉笔粉尘落入眼中,刺激泪腺分泌,眼泪水解碳酸钙而产生碱性物质,形成慢性炎症,还可能诱发近视的产生;针对上述存在的问题,有必要设计一种黑板檫来改善上述状况。Chalk is often used in traditional teaching, but the dust generated after writing with chalk will cause a series of problems for teachers, damage the health of teachers, and harm the lungs: chalk dust is easily inhaled into the lungs, and most of them are blocked in the alveoli. After a series of stimulation, chemical and immune effects can cause lung damage, including respiratory system inflammation and decreased pulmonary ventilation function. Common lung diseases include: chronic, acute pneumonia, lung cancer, pneumoconiosis, etc.; damage to the eyes : The main components of chalk dust, such as calcium carbonate and calcium oxide, are water-soluble substances, which are easily dissolved in water and produce alkaline substances. When chalk dust falls into the eyes, it stimulates the secretion of lacrimal glands, and tears hydrolyze calcium carbonate to produce alkaline substances. The formation of chronic inflammation may also induce the generation of myopia; for the above-mentioned problems, it is necessary to design a blackboard eraser to improve the above-mentioned situation.

【实用新型内容】【Content of utility model】

本实用新型的目的就是解决现有技术中的问题,提出一种新型黑板檫,能够使减轻粉笔灰四处飞扬,有效减少了粉笔灰对教师身体的影响,体积小巧,使用方便。The purpose of the utility model is to solve the problems in the prior art, and propose a new type of blackboard eraser, which can reduce chalk dust flying around, effectively reduce the impact of chalk dust on the teacher's body, and is small in size and easy to use.

为实现上述目的,本实用新型提出了一种新型黑板檫,包括刷板、吸粉装置、集粉框和集粉盒,所述刷板上设置有若干刷毛,刷毛之间设置有进灰孔;所述吸粉装置内部设置的十字支撑条,十字支撑条上设置有隔板,十字支撑条下端设置有电机,电机的输出轴上设置有叶片,刷板设置在吸粉装置下端的下框台阶内,吸粉装置上端设置有上框台阶;所述集粉框的上端设置有控制模块和蓄电池,集粉框下端的设置有固定框环,固定框环上设置的凹槽内放置有挡板,挡板与集粉框内腔侧壁之间留有间隙,挡板与集粉框内腔顶面之间留有间隙,集粉框的两侧壁上设置有出风孔,集粉框一侧壁内部还设置有凸台,集粉框另一侧壁设置有滑动口,滑动口与凸台相对,集粉框通过固定框环设置在下框台阶内;所述滑动口内设置有集粉盒,集粉盒底面上设置有集粉孔,集粉盒上端设置有缺口,集粉盒一侧设置有把手,集粉盒两侧与挡板形成滑动配合。In order to achieve the above purpose, the utility model proposes a new type of blackboard eraser, which includes a brush board, a powder suction device, a powder collection frame and a powder collection box. The brush board is provided with a number of bristles, and ash inlet holes are arranged between the bristles. The cross support bar provided inside the powder suction device, the cross support bar is provided with a partition, the lower end of the cross support bar is provided with a motor, the output shaft of the motor is provided with blades, and the brush plate is arranged on the lower frame of the lower end of the powder suction device In the steps, the upper end of the powder suction device is provided with an upper frame step; the upper end of the powder collection frame is provided with a control module and a battery, and the lower end of the powder collection frame is provided with a fixed frame ring, and a stopper is placed in the groove provided on the fixed frame ring. There is a gap between the baffle and the side wall of the inner cavity of the powder collecting frame, and there is a gap between the baffle and the top surface of the inner cavity of the powder collecting frame. Air outlet holes are arranged on the two side walls of the powder collecting frame. The inside of one side wall of the frame is also provided with a boss, and the other side wall of the powder collecting frame is provided with a sliding port, the sliding port is opposite to the boss, and the powder collecting frame is set in the step of the lower frame through the fixed frame ring; the sliding port is provided with a collector The powder box has a powder collection hole on the bottom surface of the powder collection box, a gap is provided on the upper end of the powder collection box, a handle is provided on one side of the powder collection box, and the two sides of the powder collection box form a sliding fit with the baffle.

作为优选,所述电机的数量为两个,两个电机分别位于隔板两侧。Preferably, the number of the motors is two, and the two motors are respectively located on both sides of the separator.

作为优选,所述挡板的数量为两块,两块挡板相互平行且相对设置。Preferably, the number of the baffles is two, and the two baffles are parallel and opposite to each other.

作为优选,所述缺口上端面低于挡板上端面,控制模块设置有按钮开关和指示灯,控制模块分别与蓄电池和电机电连接。Preferably, the upper end surface of the notch is lower than the upper end surface of the baffle, the control module is provided with a button switch and an indicator light, and the control module is electrically connected to the battery and the motor respectively.

本实用新型的有益效果:本实用新型通过将设置有挡板,挡板与集粉框内腔侧壁之间留有间隙,挡板与集粉框内腔顶面之间留有间隙,可以有效防止进入集粉盒的粉笔灰直接从出风孔排出,减少粉笔灰的二次污染;设置有集粉盒,集粉盒可以从集粉框内抽出来,方便粉笔灰的排出;本实用新型结构简单,体积小巧,移动方便,可以进行广泛推广和应用。Beneficial effects of the utility model: the utility model is provided with a baffle, a gap is left between the baffle and the side wall of the inner cavity of the powder collecting frame, and a gap is left between the baffle and the top surface of the inner cavity of the powder collecting frame, which can Effectively prevent the chalk dust entering the powder collection box from being discharged directly from the air outlet, reducing the secondary pollution of chalk dust; a powder collection box is provided, and the powder collection box can be pulled out from the powder collection frame to facilitate the discharge of chalk dust; The new type has the advantages of simple structure, small size and convenient movement, and can be widely popularized and applied.

本实用新型的特征及优点将通过实施例结合附图进行详细说明。The features and advantages of the utility model will be described in detail through embodiments in conjunction with the accompanying drawings.

【附图说明】【Description of drawings】

图1是本实用新型一种新型黑板檫的立体结构示意图;Fig. 1 is the three-dimensional structure schematic diagram of a kind of novel blackboard sassafras of the present utility model;

图2是本实用新型一种新型黑板檫的立体爆炸示意图;Fig. 2 is a schematic diagram of a three-dimensional explosion of a novel blackboard wiper of the present invention;

图3是本实用新型一种新型黑板檫的吸粉装置立体结构示意图;Fig. 3 is a three-dimensional structure schematic diagram of a novel blackboard sassafras powder suction device of the utility model;

图4是本实用新型一种新型黑板檫的吸粉装置另一立体结构示意图;Fig. 4 is a schematic diagram of another three-dimensional structure of a novel blackboard sassafras powder suction device of the utility model;

图5是本实用新型一种新型黑板檫的集粉框立体结构示意图;Fig. 5 is a three-dimensional structure schematic diagram of a powder collecting frame of a novel blackboard wiper of the present invention;

图6是本实用新型一种新型黑板檫的集粉框另一立体结构示意图;Fig. 6 is a schematic diagram of another three-dimensional structure of a powder collecting frame of a novel blackboard wiper of the present invention;

图7是本实用新型一种新型黑板檫的集粉框和集粉盒配合的剖面示意图;Fig. 7 is a schematic cross-sectional view of the coordination of a powder collecting frame and a powder collecting box of a novel blackboard wiper of the present invention;

图8是本实用新型一种新型黑板檫的电路图。Fig. 8 is a circuit diagram of a novel blackboard wiper of the present utility model.

图中:1-刷板、11-刷毛、12-进灰孔、2-吸粉装置、21-十字支撑条、22-电机、23-叶片、24-上框台阶、25-隔板、26-下框台阶、3-集粉框、31-固定框环、32-凹槽、33-挡板、34-凸台、35-滑动口、36-出风孔、37-控制模块、38-蓄电池、4-集粉盒、41-集粉孔、42-把手、43-缺口。In the figure: 1-brush plate, 11-bristle, 12-dust inlet hole, 2-powder suction device, 21-cross support bar, 22-motor, 23-blade, 24-upper frame step, 25-partition, 26 - lower frame step, 3-powder collection frame, 31-fixed frame ring, 32-groove, 33-baffle, 34-boss, 35-sliding port, 36-air outlet, 37-control module, 38- Storage battery, 4-powder collection box, 41-powder collection hole, 42-handle, 43-notch.

【具体实施方式】【detailed description】

参阅图1-图8,本实用新型一种新型黑板檫,包括刷板1、吸粉装置2、集粉框3和集粉盒4,所述刷板1上设置有若干刷毛11,刷毛11之间设置有进灰孔12;所述吸粉装置2内部设置的十字支撑条21,十字支撑条21上设置有隔板25,十字支撑条21下端设置有电机22,电机22的输出轴上设置有叶片23,刷板1设置在吸粉装置2下端的下框台阶26内,吸粉装置2上端设置有上框台阶24;所述集粉框3的上端设置有控制模块37和蓄电池38,集粉框3下端的上设置有固定框环31,固定框环31上设置的凹槽32内放置有挡板33,挡板33与集粉框3内腔侧壁之间留有间隙,挡板33与集粉框3内腔顶面之间留有间隙,集粉框3的两侧壁上设置有出风孔36,集粉框3一侧壁内部还设置有凸台34,集粉框3另一侧壁设置有滑动口35,滑动口35与凸台34相对,集粉框3通过固定框环31设置在下框台阶26内;所述滑动口35内设置有集粉盒4,集粉盒4底面上设置有集粉孔41,集粉盒4上端设置有缺口43,集粉盒4一侧设置有把手42,集粉盒4两侧与挡板33形成滑动配合;所述电机22的数量为两个,两个电机22分别位于隔板25两侧;所述挡板33的数量为两块,两块挡板33相互平行且相对设置;所述缺口43上端面低于挡板33上端面,控制模块37设置有按钮开关和指示灯,控制模块37分别与蓄电池38和电机22电连接。Referring to Fig. 1-Fig. 8, a kind of new-style blackboard wiper of the present utility model comprises brush board 1, powder suction device 2, powder collection frame 3 and powder collection box 4, and described brush board 1 is provided with several bristles 11, bristles 11 Ash inlet holes 12 are arranged between them; the cross support bar 21 provided inside the powder suction device 2 is provided with a partition 25 on the cross support bar 21, and a motor 22 is arranged at the lower end of the cross support bar 21, and the output shaft of the motor 22 The blade 23 is provided, the brush plate 1 is arranged in the lower frame step 26 at the lower end of the powder suction device 2, and the upper frame step 24 is arranged at the upper end of the powder suction device 2; the upper end of the powder collecting frame 3 is provided with a control module 37 and a storage battery 38 , the lower end of the powder collecting frame 3 is provided with a fixed frame ring 31, and a baffle 33 is placed in the groove 32 provided on the fixed frame ring 31, and there is a gap between the baffle plate 33 and the inner cavity side wall of the powder collecting frame 3, There is a gap between the baffle plate 33 and the top surface of the inner chamber of the powder collecting frame 3, and the two side walls of the powder collecting frame 3 are provided with air outlet holes 36, and the inside of the powder collecting frame 3 side walls is also provided with a boss 34, which collects The other side wall of the powder frame 3 is provided with a sliding opening 35, the sliding opening 35 is opposite to the boss 34, and the powder collecting frame 3 is arranged in the lower frame step 26 through the fixed frame ring 31; the powder collecting box 4 is arranged in the sliding opening 35 The bottom surface of the powder collecting box 4 is provided with a powder collecting hole 41, the upper end of the powder collecting box 4 is provided with a gap 43, one side of the powder collecting box 4 is provided with a handle 42, and both sides of the powder collecting box 4 form a sliding fit with the baffle plate 33; The number of the motors 22 is two, and the two motors 22 are respectively located on both sides of the partition 25; the number of the baffles 33 is two, and the two baffles 33 are parallel to each other and arranged oppositely; the upper end surface of the gap 43 is low On the upper end surface of the baffle 33 , the control module 37 is provided with a button switch and an indicator light, and the control module 37 is electrically connected to the battery 38 and the motor 22 respectively.

本实用新型工作过程:The working process of the utility model:

本实用新型一种新型黑板擦在工作过程中,按图示将各个部件安装好,当需要檫黑板的时候,打开电机22的开关,电机22转动带动叶片23的转动,刷毛11在对黑板进擦拭的过程中,气流在叶片23的作用下通过挡板33与集粉框3内腔顶面之间的间隙,再通过挡板33与集粉框3内腔侧壁之间的间隙,最后通过出风孔36进行排出,使得黑板擦内部形成真空,使得粉笔灰通过进灰孔12进入到黑板擦内部,最后在通过集粉孔41在集粉盒4内聚集,不擦拭黑板时,关掉电机22,当聚集到一定程度,用户可以通过把手42将集粉盒4从滑动口35抽出,从而实现粉笔灰的排出。In the working process of a new type of blackboard eraser of the utility model, each component is installed according to the diagram, and when the blackboard needs to be wiped off, the switch of the motor 22 is turned on, and the rotation of the motor 22 drives the rotation of the blade 23, and the bristles 11 are on the blackboard. During the wiping process, the air flow passes through the gap between the baffle plate 33 and the top surface of the inner cavity of the powder collecting frame 3 under the action of the blade 23, and then passes through the gap between the baffle plate 33 and the side wall of the inner cavity of the powder collecting frame 3, and finally Discharge through the air outlet hole 36, so that the inside of the blackboard eraser forms a vacuum, so that chalk dust enters the inside of the blackboard eraser through the ash inlet hole 12, and finally gathers in the powder collecting box 4 through the powder collecting hole 41. When not wiping the blackboard, close When the motor 22 is turned off, the user can pull out the powder collecting box 4 from the sliding opening 35 through the handle 42 when the dust is gathered to a certain extent, thereby realizing the discharge of the chalk dust.

本实用新型通过将设置有挡板33,挡板33与集粉框3内腔侧壁之间留有间隙,挡板33与集粉框3内腔顶面之间留有间隙,可以有效防止进入集粉盒4的粉笔灰直接从出风孔36排出,减少粉笔灰的二次污染;设置有集粉盒4,集粉盒4可以从集粉框3内抽出来,方便粉笔灰的排出;本实用新型结构简单,体积小巧,移动方便,可以进行广泛推广和应用。The utility model is provided with a baffle 33, a gap is left between the baffle 33 and the side wall of the inner cavity of the powder collecting frame 3, and a gap is left between the baffle 33 and the top surface of the inner cavity of the powder collecting frame 3, which can effectively prevent The chalk dust entering the powder collecting box 4 is directly discharged from the air outlet 36 to reduce the secondary pollution of the chalk dust; the powder collecting box 4 is provided, and the powder collecting box 4 can be extracted from the powder collecting frame 3 to facilitate the discharge of the chalk dust ; The utility model has the advantages of simple structure, small size and convenient movement, and can be widely popularized and applied.

上述实施例是对本实用新型的说明,不是对本实用新型的限定,任何对本实用新型简单变换后的方案均属于本实用新型的保护范围。The above-mentioned embodiment is an illustration of the utility model, not a limitation of the utility model, and any scheme after a simple transformation of the utility model belongs to the protection scope of the utility model.

Claims (4)

1. a kind of Novel blackboard eraser, it is characterised in that:Including brush board (1), device for inhaling powdery substances (2), collection powder frame (3) and collection powder box (4), It is provided with the brush board (1) between some bristles (11), bristle (11) and is provided with ash-inlet hole (12);The device for inhaling powdery substances (2) Dividing plate (25) is provided with the cross-shaped stay (21) that inside is set, cross-shaped stay (21), cross-shaped stay (21) lower end is set It is equipped with motor (22), the output shaft of motor (22) and is provided with blade (23), brush board (1) is arranged on device for inhaling powdery substances (2) lower end In lower frame step (26), device for inhaling powdery substances (2) upper end is provided with upper ledge step (24);The upper end of the collection powder frame (3) is provided with control Molding block (37) and battery (38), collection are provided with what is set on fixed frame ring (31), fixed frame ring (31) on powder frame (3) lower end Baffle plate (33) is placed with groove (32), gap, baffle plate (33) and collection are left between baffle plate (33) and collection powder frame (3) intracavity sidewall Left between the top surface of powder frame (3) inner chamber and be provided with exhaust vent (36) on gap, the two side of collection powder frame (3), collect powder frame (3) side Pars intramuralis is additionally provided with boss (34), and collection powder frame (3) opposite side wall is provided with slip mouth (35), slides mouth (35) and boss (34) Relatively, collection powder frame (3) is arranged in lower frame step (26) by fixed frame ring (31);Collection powder is provided with the slip mouth (35) Collection powder hole (41) is provided with box (4), collection powder box (4) bottom surface, collection powder box (4) upper end sets jagged (43), collects powder box (4) one Side is provided with handle (42), and collection powder box (4) both sides are slidably matched with baffle plate (33) formation.
2. a kind of Novel blackboard eraser as claimed in claim 1, it is characterised in that:The quantity of the motor (22) is two, two Individual motor (22) is located at dividing plate (25) both sides respectively.
3. a kind of Novel blackboard eraser as claimed in claim 1, it is characterised in that:The quantity of the baffle plate (33) is two pieces, two Block baffle plate (33) is parallel to each other and is oppositely arranged.
4. a kind of Novel blackboard eraser as claimed in claim 1, it is characterised in that:Breach (43) upper surface is less than baffle plate (33) upper surface, control module (37) is provided with button switch and indicator lamp, control module (37) respectively with battery (38) and Motor (22) is electrically connected.
CN201621342915.1U 2016-12-08 2016-12-08 A kind of Novel blackboard eraser Expired - Fee Related CN206446333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621342915.1U CN206446333U (en) 2016-12-08 2016-12-08 A kind of Novel blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621342915.1U CN206446333U (en) 2016-12-08 2016-12-08 A kind of Novel blackboard eraser

Publications (1)

Publication Number Publication Date
CN206446333U true CN206446333U (en) 2017-08-29

Family

ID=59661421

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621342915.1U Expired - Fee Related CN206446333U (en) 2016-12-08 2016-12-08 A kind of Novel blackboard eraser

Country Status (1)

Country Link
CN (1) CN206446333U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109941022A (en) * 2019-03-27 2019-06-28 南京工程学院 A new type of blackboard eraser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109941022A (en) * 2019-03-27 2019-06-28 南京工程学院 A new type of blackboard eraser

Similar Documents

Publication Publication Date Title
CN104235993A (en) Air purifier
CN201290641Y (en) Pulse air-blasting suction-assistant suction cleaner
CN205468159U (en) Electric dust -absorbing blackboard eraser
CN206446333U (en) A kind of Novel blackboard eraser
CN206718829U (en) A kind of dust absorption blackboard eraser
CN211493465U (en) Electrostatic dust removal blackboard eraser
CN104626838A (en) Electric dust collection blackboard eraser
CN109941022A (en) A new type of blackboard eraser
CN204018350U (en) A kind of medicine fume collector
CN204398707U (en) Electric dust absorption blackboard eraser
CN2910091Y (en) Combined dust and gas separation water filter vacuum cleaner
CN205548456U (en) Novel dust collector
CN211054807U (en) Blackboard eraser capable of absorbing dust
CN203427055U (en) Electric hair clipper capable of sucking broken hair
CN207897826U (en) One kind separating portable fumigator
CN202017640U (en) Humidifying bladeless fan
CN201824738U (en) Dust suction-type electric blackboard eraser
CN207444459U (en) Purifying Air Umbrella
CN207370664U (en) A kind of wearable dust catcher
CN206285040U (en) Automatic pollution discharge cleaner
CN205146737U (en) Can inhale rubber shell of rubber bits
CN205112784U (en) Blackboard eraser that can gather dust
CN204744001U (en) Dust absorption cleaning device
CN205872002U (en) Novel environment -friendly automobile dust catcher
CN204276478U (en) The smoke and dust purifier used in a kind of medicine process

Legal Events

Date Code Title Description
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: 20170829

Termination date: 20181208