CN208260808U - A kind of multi-function experimental rig for senior middle school physics teaching - Google Patents

A kind of multi-function experimental rig for senior middle school physics teaching Download PDF

Info

Publication number
CN208260808U
CN208260808U CN201820569813.6U CN201820569813U CN208260808U CN 208260808 U CN208260808 U CN 208260808U CN 201820569813 U CN201820569813 U CN 201820569813U CN 208260808 U CN208260808 U CN 208260808U
Authority
CN
China
Prior art keywords
fixedly connected
middle school
senior middle
physics teaching
experimental rig
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
CN201820569813.6U
Other languages
Chinese (zh)
Inventor
常焱瑞
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201820569813.6U priority Critical patent/CN208260808U/en
Application granted granted Critical
Publication of CN208260808U publication Critical patent/CN208260808U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to instructional technology fields, and disclose a kind of multi-function experimental rig for senior middle school physics teaching, including tables, the bottom of the tables is fixedly connected there are two support rod, the bottom fixation of two support rods is respectively connected with the first spring, the bottom of two the first springs is fixedly connected to support base, the phase back side of two support bases offers equally distributed through-hole, the phase back side of two support rods is fixedly connected to fixing seat, the internal activity of the fixing seat is connected with fixed pin, the fixed pin is flexibly connected with through-hole, placement plate is fixedly connected between described two support bases, control switch is fixedly connected at the top of the placement plate.This is used for the multi-function experimental rig of senior middle school physics teaching, is capable of providing senior middle school physics teaching and commonly tests stage property, solves the problems, such as that Physical Education Teacher carries tool in conventional teaching or interim building model is difficult.

Description

A kind of multi-function experimental rig for senior middle school physics teaching
Technical field
The utility model relates to physics teaching technical field, specially a kind of Multi-function experimental for senior middle school physics teaching Platform.
Background technique
Teaching is a kind of distinctive personnel training activity of the mankind composed by the religion of teacher and student, passes through this work Dynamic, teacher is purposeful, planned and in an organized way guidance student learns and grasps cultural and technical knowledge and technical ability, promotes student's element Matter improves, and so that them is become people required for society, a vital aspect is to must comply with teaching rule, between handling well The relationship that experience and direct experience combine is connect, knowledge is taught and improves the relationship of political consciousness, teach knowledge and develops intellectually Relationship, and play teacher leading role and mobilizing students enthusiasm and consciousness relationship.
Teaching plays very important effect in the development of human civilization, it has pushed great scientific and technological progress, Twentieth century scientific and technological progress makes us praising again and again really to human being's production and life bring great variety, in high school physics In teaching process, most common is experimental bench, and traditional experiment platform is common desk mostly, and teacher of physics is being tested When teaching, it is often necessary to oneself carry or construct model temporarily to impart knowledge to students, operating process is sufficiently complex, it has not been convenient to physics religion Progress, it is proposed that a kind of multi-function experimental rig for senior middle school physics teaching solves the above problems.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of Multi-function experimental for senior middle school physics teaching Platform has and provides the advantages that senior middle school physics teaching commonly tests stage property, solves Physical Education Teacher in conventional teaching and carries tool Or the problem of interim building model difficulty.
(2) technical solution
The purpose that experimental model is adjusted, the utility model can be provided the following technical solutions for realization is above-mentioned: a kind of For the multi-function experimental rig of senior middle school physics teaching, including tables, the bottom of the tables is fixedly connected there are two support rod, and two The bottom of a support rod is fixed to be respectively connected with the first spring, and the bottom of two the first springs is fixedly connected to support base, and two The phase back side of a support base offers equally distributed through-hole, and the phase back side of two support rods is fixedly connected to fixation Seat, the internal activity of the fixing seat are connected with fixed pin, and the fixed pin is flexibly connected with through-hole, described two support bases Between be fixedly connected with placement plate, control switch is fixedly connected at the top of the placement plate, the top of the placement plate is fixed It is connected with screwed pipe, the inner thread of the screwed pipe is connected with threaded rod, and the surface of the threaded rod is threaded with screw thread Set, the surface of the thread bush are socketed with transmission device, and the transmission device is connected with rotation far from one end of thread bush Tables are run through at the top of bar, the threaded rod, and the top movable of the threaded rod is connected with rotating device, the rotating device Top is fixedly connected with hang plate, and sliding slot is offered at the top of the hang plate, is fixedly connected with fixation at the top of the tables Bar, the surface of the fixed link are socketed with hollow pipe, and the top movable of the hollow pipe is connected with the first hinged seat, and described first Hinged seat is fixedly connected with hang plate, the instrument assembly being fixedly installed on the left of hang plate at the top of the tables, described The front of tables is provided with graduation mark.
Preferably, the fixed seating is fixedly connected with the second bullet in the inside of support base, the inner wall of the fixing seat Spring, and second spring is fixedly connected with fixed pin.
Preferably, gag lever post is fixedly connected at the top of the placement plate, being fixedly connected with quantity on the right side of gag lever post is Two positioning plates, and thread bush is located between two positioning plates.
Preferably, the rotating device includes nut, and the top movable of nut is connected with the second hinged seat, the second hinged seat Top is fixedly connected with hang plate, and the threaded rod is flexibly connected with nut.
Preferably, the fixed link is T-bar, and the surface of the fixed link is socketed with third spring, and third spring Top is flexibly connected with hollow pipe.
Preferably, the instrument assembly includes voltmeter, ammeter, electric energy meter, ohmmeter, power meter and Multifunctional electric Table.
Preferably, the transmission device includes belt and pulley, and pulley and rotating bar are socketed.
Preferably, the right side opening of the hollow pipe is equipped with threaded hole, offers thread groove, screw thread on the left of the fixed link The inner thread in hole is connected with holding screw, and holding screw is threadedly coupled with thread groove.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of multi-function experimental rig for senior middle school physics teaching, tool It is standby following the utility model has the advantages that
1, the multi-function experimental rig for being used for senior middle school physics teaching passes through being total to for support rod, the first spring and support base Under same-action, the height of tables is made to be able to carry out adjusting, can be adjusted according to the different habits of different Physical Education Teacher to more comfortable Height, under the collective effect of fixing seat, second spring and fixed pin and through-hole, make adjust height after the completion of, tables can It is fixed, so that so that it will not because adjustment process causes whole unstable problem to make then under the action of placement plate Whole stability is more preferable, and placement plate is able to carry out the placement of physics teaching articles, the use for the person of being convenient to use.
2, the multi-function experimental rig for being used for senior middle school physics teaching makes rotating bar pass through transmission dress by rotating rotating bar Setting rotates thread bush, then under the cooperation of gag lever post and locating rod, so that thread bush is driven threaded rod rotation, to make screw thread Bar moves upwards, and then under the cooperation of rotating device, so that the tilt angle of hang plate and height is able to carry out adjustment, then exists Fixed link, third spring, hollow pipe and the first hinged seat collective effect under, keep the adjusting of its tilt angle and height more square Just, wherein graduation mark can effectively measure the height range of small small ball movement, more convenient when facilitating teaching to obtain Effective data, instrument assembly can be suitable for various Experiments of Electricity, effectively avoid Physical Education Teacher and carry equipment inconvenience The phenomenon that, the use for the person of being convenient to use.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the enlarged drawing in the utility model structure chart 1 at A;
Fig. 3 is the enlarged drawing in the utility model structure chart 1 at B;
Fig. 4 is the enlarged drawing in the utility model structure chart 1 at C.
In figure: 1 tables, 2 support rods, 3 first springs, 4 support bases, 5 through-holes, 6 fixing seats, 7 fixed pins, 8 placement plates, 9 control switches, 10 screwed pipes, 11 threaded rods, 12 thread bush, 13 transmission devices, 14 rotating bars, 15 rotating devices, 16 hang plates, 17 sliding slots, 18 fixed links, 19 hollow pipes, 20 first hinged seats, 21 instrument assemblies, 22 graduation marks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, a kind of multi-function experimental rig for senior middle school physics teaching, including tables 1, the bottom of tables 1 It is fixedly connected there are two support rod 2, the bottom of two support rods 2 is fixed to be respectively connected with the first spring 3, two the first springs 3 Bottom is fixedly connected to support base 4, under the collective effect by support rod 2, the first spring 3 and support base 4, makes to support Length of the bar 2 inside support base 4 is able to carry out adjusting, so that the height of tables 1 is made to be able to carry out adjusting, it can be according to difference The different habits of Physical Education Teacher are adjusted to more comfortable height, and the phase back side of two support bases 4, which offers, to be uniformly distributed Through-hole 5, the phase back side of two support rods 2 is fixedly connected to fixing seat 6, and the internal activity of fixing seat 6 is connected with fixed pin 7, fixing seat 6 is located at the inside of support base 4, and the inner wall of fixing seat 6 is fixedly connected with second spring, and second spring and fixation Pin 7 is fixedly connected, and fixed pin 7 is flexibly connected with through-hole 5, in the common work of fixing seat 6, second spring and fixed pin 7 and through-hole 5 Under, fixed pin 7 is pressed, makes the inside of its seat 6 that is locked, when height adjustment is completed, under the action of second spring, make Fixed pin 7 pops up, and is stuck in the inner wall of through-hole 5, to make after the completion of adjusting height, tables 1 are able to carry out fixation, to make it not It can be fixedly connected with placement plate 8 between two support bases 4, placed because adjustment process causes whole unstable problem Under the action of plate 8, keep whole stability more preferable, and placement plate 8 is able to carry out the placement of physics teaching articles, facilitating makes The use of user, the top of placement plate 8 are fixedly connected with control switch 9, and the top of placement plate 8 is fixedly connected with screwed pipe 10, The inner thread of screwed pipe 10 is connected with threaded rod 11, and the surface of threaded rod 11 is threaded with thread bush 12, the top of placement plate 8 Portion is fixedly connected with gag lever post, the positioning plate that quantity is two is fixedly connected on the right side of gag lever post, and thread bush 12 is located at two Between a positioning plate, plays the role of limiting 12 position of thread bush, prevents thread bush 12 from threaded rod 11 being followed to move when rotating, The surface of thread bush 12 is socketed with transmission device 13, and transmission device 13 is connected with rotating bar far from one end of thread bush 12 14, transmission device 13 includes belt and pulley, and pulley and rotating bar 14 are socketed, and the top of tables 1 offers through hole, screw thread Tables 1 are run through by through hole in the top of bar 11, so that threaded rod 11 is not influenced by tables 1 while increasing, pass through Rotating bar 14 is rotated, rotating bar 14 is made to rotate thread bush 12 by transmission device 13, then matching in gag lever post and locating rod Under conjunction, make thread bush 12 that threaded rod 11 be driven to rotate, so that threaded rod 11 is moved upwards, under the cooperation of rotating device 15, The tilt angle and height for making hang plate 16 are able to carry out adjustment, and the top movable of threaded rod 11 is connected with rotating device 15, turns The top of dynamic device 15 is fixedly connected with hang plate 16, and rotating device 15 includes nut, and the top movable of nut is connected with second Hinged seat, the second hinged seat top are fixedly connected with hang plate 16, and threaded rod 11 is flexibly connected with nut, is rising threaded rod 11 It not will lead to hang plate 16 while high to rotate, the top of hang plate 16 offers sliding slot 17, makes doing bead movement in fact When testing, for small small ball without departing from hang plate 16, the top of tables 1 is fixedly connected with fixed link 18, the surface socket of fixed link 18 There is hollow pipe 19, the right side opening of hollow pipe 19 is equipped with threaded hole, and the left side of fixed link 18 offers thread groove, the inner wall of threaded hole It is threaded with holding screw, and holding screw is threadedly coupled with thread groove, plays the effect for limiting 19 height of hollow pipe, prevented Only hang plate 16 is unstable in experiment, and fixed link 18 is T-bar, and the surface of fixed link 18 is socketed with third spring, and third The top of spring is flexibly connected with hollow pipe 19, and when third spring makes to need to adjust height, adjusting is more convenient, hollow pipe 19 Top movable is connected with the first hinged seat 20, and the first hinged seat 20 is fixedly connected with hang plate 16, in fixed link 18, third bullet Under the collective effect of spring, hollow pipe 19 and the first hinged seat 20, keeps the adjusting of its tilt angle and height more convenient, then lead to It crosses holding screw to be threadedly coupled with thread groove and threaded hole, the position of hollow pipe 19 is made to be able to carry out stabilization, make hang plate 16 Stability is more preferable, and the top of tables 1 is fixedly installed with the instrument assembly 21 positioned at 16 left side of hang plate, and instrument assembly 21 includes electricity Table, ammeter, electric energy meter, ohmmeter, power meter and universal metre are pressed, it is real that instrument assembly 21 can be suitable for various electricity It tests, effectively avoids the phenomenon that Physical Education Teacher carries equipment inconvenience, the front of the use for the person of being convenient to use, tables 1 is set It is equipped with graduation mark 22, wherein graduation mark 22 can effectively measure the height range of small small ball movement, when facilitating teaching more Add and easily obtains effective data.
When in use, by enabling the height of tables 1 under the collective effect of support rod 2, the first spring 3 and support base 4 It is enough adjusted, can be adjusted according to the different habits of different Physical Education Teacher to more comfortable height, in fixing seat 6, the second bullet Under the collective effect of spring and fixed pin 7 and through-hole 5, make after the completion of adjusting height, tables 1 are able to carry out fixation, to make it not Whole unstable problem can be caused to keep whole stability more preferable then under the action of placement plate 8 because of adjustment process, And placement plate 8 is able to carry out the placement of physics teaching articles, and the use for the person of being convenient to use is made by rotating rotating bar 14 Rotating bar 14 rotates thread bush 12 by transmission device 13, then under the cooperation of gag lever post and locating rod, makes thread bush 12 It drives threaded rod 11 to rotate, so that threaded rod 11 be made to move upwards, then under the cooperation of rotating device 15, makes hang plate 16 Tilt angle and height be able to carry out adjustment, fixed link 18, third spring, hollow pipe 19 and the first hinged seat 20 common work Under, keep the adjusting of its tilt angle and height more convenient, wherein graduation mark 22 can effectively measure small small ball movement Height range, more convenient when facilitating teaching to obtain effective data, instrument assembly 21 can be suitable for various electricity Experiment effectively avoids the phenomenon that Physical Education Teacher carries equipment inconvenience, the use for the person of being convenient to use.
In conclusion this is used for the multi-function experimental rig of senior middle school physics teaching, pass through support rod 2, the first spring 3 and support Under the collective effect of pedestal 4, the height of tables 1 is made to be able to carry out adjusting, can be adjusted according to the different habits of different Physical Education Teacher To more comfortable height, under the collective effect of fixing seat 6, second spring and fixed pin 7 and through-hole 5, make to adjust highly complete Cheng Hou, tables 1 are able to carry out fixation, to then put so that it will not because adjustment process causes whole unstable problem Under the action of setting plate 8, keep whole stability more preferable, and placement plate 8 is able to carry out the placement of physics teaching articles, facilitates The use of user makes rotating bar 14 rotate thread bush 12 by transmission device 13, is then limiting by rotating rotating bar 14 Under the cooperation of position bar and locating rod, makes thread bush 12 that threaded rod 11 be driven to rotate, so that threaded rod 11 be made to move upwards, then exist Under the cooperation of rotating device 15, the tilt angle of hang plate 16 and height is set to be able to carry out adjustment, then in fixed link 18, third Under the collective effect of spring, hollow pipe 19 and the first hinged seat 20, keep the adjusting of its tilt angle and height more convenient, wherein Graduation mark 22 can effectively measure the height range of small small ball movement, more convenient when facilitating teaching to obtain effectively Data, instrument assembly 21 can be suitable for various Experiments of Electricity, effectively avoid Physical Education Teacher and carry showing for equipment inconvenience As the use for the person of being convenient to use.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of multi-function experimental rig for senior middle school physics teaching, including tables (1), it is characterised in that: the tables (1) Bottom is fixedly connected there are two support rod (2), and the bottom fixation of two support rods (2) is respectively connected with the first spring (3), and two the The bottom of one spring (3) is fixedly connected to support base (4), and the phase back side of two support bases (4), which offers, uniformly to be divided The through-hole (5) of cloth, the phase back side of two support rods (2) are fixedly connected to fixing seat (6), and the inside of the fixing seat (6) is living Dynamic to be connected with fixed pin (7), the fixed pin (7) is flexibly connected with through-hole (5), fixed between described two support bases (4) It is connected with placement plate (8), is fixedly connected with control switch (9) at the top of the placement plate (8), the top of the placement plate (8) It is fixedly connected with screwed pipe (10), the inner thread of the screwed pipe (10) is connected with threaded rod (11), the threaded rod (11) Surface be threaded with thread bush (12), the surface of the thread bush (12) is socketed with transmission device (13), transmission dress It sets (13) to be connected with rotating bar (14) far from the one end of thread bush (12), tables are run through at the top of the threaded rod (11) (1), the top movable of the threaded rod (11) is connected with rotating device (15), is fixedly connected at the top of the rotating device (15) Have hang plate (16), offered sliding slot (17) at the top of the hang plate (16), is fixedly connected at the top of the tables (1) solid The surface of fixed pole (18), the fixed link (18) is socketed with hollow pipe (19), and the top movable of the hollow pipe (19) is connected with First hinged seat (20), first hinged seat (20) are fixedly connected with hang plate (16), the fixed peace in the top of the tables (1) Equipped with the instrument assembly (21) being located on the left of hang plate (16), the front of the tables (1) is provided with graduation mark (22).
2. a kind of multi-function experimental rig for senior middle school physics teaching according to claim 1, it is characterised in that: described solid Reservation (6) is located at the inside of support base (4), and the inner wall of the fixing seat (6) is fixedly connected with second spring, and second spring It is fixedly connected with fixed pin (7).
3. a kind of multi-function experimental rig for senior middle school physics teaching according to claim 1, it is characterised in that: described to put It sets and is fixedly connected with gag lever post at the top of plate (8), the positioning plate that quantity is two, and screw thread are fixedly connected on the right side of gag lever post (12) are covered to be located between two positioning plates.
4. a kind of multi-function experimental rig for senior middle school physics teaching according to claim 1, it is characterised in that: described turn Dynamic device (15) include nut, and the top movable of nut is connected with the second hinged seat, at the top of the second hinged seat with hang plate (16) It is fixedly connected, the threaded rod (11) is flexibly connected with nut.
5. a kind of multi-function experimental rig for senior middle school physics teaching according to claim 1, it is characterised in that: described solid Fixed pole (18) is T-bar, and the surface of the fixed link (18) is socketed with third spring, and the top of third spring and hollow pipe (19) it is flexibly connected.
6. a kind of multi-function experimental rig for senior middle school physics teaching according to claim 1, it is characterised in that: the instrument Table assembly (21) includes voltmeter, ammeter, electric energy meter, ohmmeter, power meter and universal metre.
7. a kind of multi-function experimental rig for senior middle school physics teaching according to claim 1, it is characterised in that: the biography Dynamic device (13) include belt and pulley, and pulley and rotating bar (14) are socketed.
8. a kind of multi-function experimental rig for senior middle school physics teaching according to claim 1, it is characterised in that: the sky The right side opening of heart pipe (19) is equipped with threaded hole, offers thread groove, the inner thread of threaded hole on the left of the fixed link (18) It is connected with holding screw, and holding screw is threadedly coupled with thread groove.
CN201820569813.6U 2018-04-20 2018-04-20 A kind of multi-function experimental rig for senior middle school physics teaching Expired - Fee Related CN208260808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820569813.6U CN208260808U (en) 2018-04-20 2018-04-20 A kind of multi-function experimental rig for senior middle school physics teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820569813.6U CN208260808U (en) 2018-04-20 2018-04-20 A kind of multi-function experimental rig for senior middle school physics teaching

Publications (1)

Publication Number Publication Date
CN208260808U true CN208260808U (en) 2018-12-21

Family

ID=64679136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820569813.6U Expired - Fee Related CN208260808U (en) 2018-04-20 2018-04-20 A kind of multi-function experimental rig for senior middle school physics teaching

Country Status (1)

Country Link
CN (1) CN208260808U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111760606A (en) * 2020-07-17 2020-10-13 安徽省厨桥调味食品有限公司 Edible oil detects uses clean bench
CN113926507A (en) * 2021-10-16 2022-01-14 贵州医科大学 Physical experiment placing table

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111760606A (en) * 2020-07-17 2020-10-13 安徽省厨桥调味食品有限公司 Edible oil detects uses clean bench
CN113926507A (en) * 2021-10-16 2022-01-14 贵州医科大学 Physical experiment placing table

Similar Documents

Publication Publication Date Title
CN208260808U (en) A kind of multi-function experimental rig for senior middle school physics teaching
CN209999958U (en) teaching aid with adjustable height for English teaching
CN209199385U (en) A kind of tow sides show the teaching display board of word content
CN209782092U (en) Think political affairs teaching with classroom demonstration appearance
CN203737288U (en) Inclination-adjustable mechanics experiment table for students
CN207397677U (en) A kind of piano device used convenient for music teaching
CN204734110U (en) Integration hexagon wisdom electron desk
CN204444788U (en) A kind of adjustable teaching tables and chairs
CN108544877A (en) A kind of teaching small blackboard being convenient for carrying
CN211222761U (en) Multi-functional english teaching is with teaching board
CN206907284U (en) A kind of new-type English teaching board
CN202566955U (en) Movable type platform facilitating English teaching
CN207199143U (en) A kind of special Display Rack of economics and educational aid
CN205984034U (en) Appearance is probed to lever balance condition
CN213303384U (en) Primary school's chinese taste model device for literacy
CN208978527U (en) A kind of art teaching blackboard of height and adjustable angle
CN210223206U (en) Hooke's law demonstration instrument
CN220397045U (en) English learning interaction equipment
CN207799957U (en) A kind of teaching of senior high school demo rack convenient for adjusting
CN219246249U (en) Coordinate position cognition learner for special education
CN216352932U (en) English teaching is with show teaching aid
CN214624160U (en) Nursing tool case that nursing teaching was used
CN215583419U (en) Convenient to use's portable computer application teaching device
CN208783952U (en) A kind of easel of preschool education
CN210617666U (en) Think political affairs class with demonstration appearance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181221

Termination date: 20190420

CF01 Termination of patent right due to non-payment of annual fee