CN209216421U - Geometric tolerance apparatus for demonstrating - Google Patents
Geometric tolerance apparatus for demonstrating Download PDFInfo
- Publication number
- CN209216421U CN209216421U CN201821351608.9U CN201821351608U CN209216421U CN 209216421 U CN209216421 U CN 209216421U CN 201821351608 U CN201821351608 U CN 201821351608U CN 209216421 U CN209216421 U CN 209216421U
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- Prior art keywords
- auxiliary
- main shaft
- geometric tolerance
- guide rail
- demonstrating
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Abstract
The utility model discloses a kind of geometric tolerance apparatus for demonstrating, including bottom plate, the two sides of bottom plate are respectively equipped with the linear guide being parallel to each other；It is respectively corresponded in two linear guides equipped with the first sliding block, auxiliary table is equipped between two the first sliding blocks, and be equipped with auxiliary mobile mechanism between two the first sliding blocks；Auxiliary table is equipped with upright guide rail, and upright guide rail is equipped with the auxiliary gauge stand being slidably matched with it, and auxiliary gauge stand is equipped with universal protractor and lever indicator, and auxiliary drive mechanism is additionally provided on auxiliary table；It is respectively equipped with the second sliding block in two linear guides, measurement table mechanism is respectively equipped on two the second sliding blocks；Measurement table mechanism includes dial framework, and installation is equipped with dial gauge on dial framework；Bottom plate is equipped with main shaft supporting seat, is equipped with main shaft in main shaft supporting seat, and the axis of main shaft is parallel with linear guide, and main shaft is equipped with scroll chuck towards one end of auxiliary table, the other end is equipped with driving mechanism；The lower section of scroll chuck is equipped with flat-nose pliers.
Description
Technical field
The utility model belongs to teaching aid technical field, is specifically related to a kind of geometric tolerance apparatus for demonstrating.
Background technique
It is used to explain something or other indispensable equipment when teaching aid is teaching.Teaching aid, teachers and students and knowledge point etc. pass through new
Mode links together, and forms the relationship that people is connected with object, object and object.Good teaching aid as a certain knowledge point of student's study or
The demonstration instrument of certain subject plays very important effect.
" Basis of Interchangeability & Meas. Tech " are the important technical basis courses of mechanical each profession, are understood for training student several
The exchange of what parameter.But the definition of morpheme geometric tolerances is easy to obscure in " Basis of Interchangeability & Meas. Tech " course, student is often
Pattern meaning cannot be understood completely, can not imagine the concrete shape of part, it is difficult to receive good teaching efficiency.And existing shape
Position tolerance teaching aid only has " tolerance fit showcase ", i.e., corresponding zero is put in showcase for each geometric tolerance
Part, then the pattern of various geometric tolerances is affixed on showcase.But it is only capable of showing the principle of each geometric tolerance project in this way, it cannot
It shows difference between actual influence brought by various geometric tolerances and various geometric tolerances and contacts.And " tolerance fit
Showcase " volume is big, is only capable of being placed in laboratory, and teacher's inconvenience is used in classroom instruction, lacks the practicability on classroom.
The Chinese patent of Publication No. CN203787003U discloses a kind of geometric tolerance demonstration teaching aid, including support portion
Divide, axis mobile mechanism, show axis, bounce disk, light mechanism and motor, the axis mobile mechanism is placed in the outer of the support section
On shell slideway, the upper end for showing axis is the conical surface, can be inserted into the axis fixes sleeve of axis mobile mechanism and realizes positioning and clamp；
The idler wheel of the light mechanism is placed on the slideway of bounce disk, and the light mechanism is located at the lower section of the axis mobile mechanism,
The motor is fixed in pedestal and is connected by plum blossom clamp coupling with bounce disk.Although the geometric tolerance demonstration teaching aid exists
The axis and gauge orifice that different Form and position errors can be demonstrated to a certain extent cooperate, but can not be into for other geometric tolerances
Row demonstration, there are biggish functional defects.
Summary of the invention
In view of this, it is tangible that institute can be demonstrated the purpose of this utility model is to provide a kind of geometric tolerance apparatus for demonstrating
The structure and principle of position tolerance, and have the advantages that structure is simple, small in size.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of geometric tolerance apparatus for demonstrating, including bottom plate, the two sides of the bottom plate are respectively equipped with the straight line being parallel to each other and lead
Rail；
The first sliding block for being equipped with and being slidably matched with it, two first sliding blocks are respectively corresponded in two linear guides
Between be equipped with auxiliary table, and be equipped between two first sliding blocks for driving the auxiliary table described in two
The auxiliary mobile mechanism moved between first sliding block；The auxiliary table is equipped with upright guide rail, sets on the upright guide rail
There is the auxiliary gauge stand being slidably matched with it, the auxiliary gauge stand is equipped with universal protractor and lever indicator, and the auxiliary
The auxiliary drive mechanism for driving the auxiliary gauge stand to move along the upright guide rail is additionally provided on workbench；
It is respectively equipped with the second sliding block being slidably matched with it in two linear guides, divides on two second sliding blocks
Table mechanism She You not measured；Measurement table mechanism includes can be in adjusting position in the both direction perpendicular to the linear guide
Dial framework, installation is equipped with dial gauge on the dial framework；
The bottom plate is equipped with main shaft supporting seat, and the main shaft for rotating cooperation is equipped in the main shaft supporting seat, described
The axis of main shaft is parallel with the linear guide, and the main shaft is equipped with scroll chuck, another towards one end of the auxiliary table
One end is equipped with the driving mechanism for driving the main shaft rotation；
The lower section of the scroll chuck is equipped with flat-nose pliers.
Further, the auxiliary mobile mechanism includes the screw rod being arranged between two first sliding blocks, the auxiliary
The bottom of workbench is equipped with the sub-mount cooperated with the wire rod thread, and one end of the screw rod is equipped with handle.
Further, the guide rod parallel with the screw rod, the sub-mount and institute are equipped between two first sliding blocks
Guide rod is stated to be slidably matched.
Further, the lower section of the bottom plate is equipped with height-adjustable fulcrum bearing.
Further, the auxiliary drive mechanism includes the auxiliary belt wheel that the upright guide rail upper and lower ends are arranged in, and two
Auxiliary belt is equipped between the auxiliary belt wheel, the auxiliary belt is fixedly connected with the auxiliary gauge stand.
Further, length direction and institute are equipped between the auxiliary table and the shaft of one of them auxiliary belt wheel
The parallel kidney-shaped circle of upright guide rail is stated, the shaft of the auxiliary belt wheel is mounted in the kidney-shaped circle, and the back work
Platform is equipped with the adjusting bolt with the shaft thread cooperation for assisting belt wheel described in this, the axis for adjusting bolt and described vertical
Guide rail is parallel；The shaft of another auxiliary belt wheel is equipped with the assist handle for driving it to rotate.
Further, the dial framework includes the gauge stand being fixedly mounted on second sliding block, and the gauge stand is equipped with vertical
Table bar, the vertical table bar are equipped with the sliding sleeve being slidably matched with it, and the sliding sleeve is equipped with axis and the vertical table
The perforation of bar setting in a certain angle, the perforation inner sleeve are installed with the nauropemeter bar being slidably matched with it, the nauropemeter bar
One end fixing sleeve be installed with installation set, the dial gauge is mounted in the installation set.
Further, the sliding sleeve is equipped with the first lock for locking itself and the vertical table bar and the nauropemeter bar
Tight screw；The installation set is equipped with the second lock-screw for locking the dial gauge installation site.
Further, the gauge stand is equipped with the second Self-locking screw for locking second slide position；Described first
Sliding block is equipped with the first Self-locking screw for locking its position.
Further, the driving mechanism includes motor, and tape handler is equipped between the motor and the main shaft.
The utility model has the beneficial effects that:
The geometric tolerance apparatus for demonstrating of the utility model is used for clamping cylinder measured workpiece by setting three chucking chuck,
Flat-nose pliers is set and is used for clamping non-circular workpiece；By the way that two linear guides being parallel to each other are arranged, and in two linear guides
On the first sliding block and the second sliding block is respectively set, the universal protractor installed on the first sliding block can demonstrate measurement taper, lever
Dial gauge can demonstrate measurement verticality, and two dial gauge cooperations can demonstrate measurement concentricity, circularity, circle bounce, flatness
With the depth of parallelism etc., i.e. the geometric tolerance apparatus for demonstrating of the utility model can demonstrate the structure and principle of all geometric tolerances, and
Have the advantages that structure is simple, small in size, easy to operate and demonstrating visual.
Demonstration is carried out using the geometric tolerance apparatus for demonstrating of the utility model to have the advantage that
Plyability --- the displaying of definition explanation and measurement method is concentrated on an apparatus for demonstrating, realizes a variety of function
Energy；
Intuitive --- the general character for seeking a variety of fit tolerances by measurement method integration, simplifies, and understands part for student
Interchangeability provide education informations；
Practicality --- as teaching aid, while it can be used for the practical teachings such as curriculum experiment and opening experiment,
It allows student to operate, measure and uses.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the structural schematic diagram of the utility model geometric tolerance apparatus for demonstrating embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the right view of Fig. 1.
Description of symbols:
1- bottom plate；2- linear guide；The first sliding block of 3-；4- auxiliary table；5- upright guide rail；6- assists gauge stand；7- ten thousand
It can bevel protractor；8- lever indicator；The second sliding block of 9-；10- dial gauge；11- main shaft supporting seat；12- main shaft；13- scroll chuck；
14- flat-nose pliers；15- screw rod；16- sub-mount；17- handle；18- guide rod；19- assists belt wheel；20- auxiliary belt；21- auxiliary
Handle；22- gauge stand；The vertical table bar of 23-；24- sliding sleeve；25- nauropemeter bar；26- installation set；The first lock-screw of 27-；28-
Second lock-screw；29- motor；30- tape handler；The second Self-locking screw of 31-；The second self-locking device of 32-；33- bearing
Seat.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model can be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, being the structural schematic diagram of the utility model geometric tolerance apparatus for demonstrating embodiment.The shape of the present embodiment
Position tolerance apparatus for demonstrating, including bottom plate 1, the two sides of bottom plate 1 are respectively equipped with the linear guide 2 being parallel to each other.The bottom of the present embodiment
The lower section of plate 1 is equipped with height-adjustable fulcrum bearing 33, and fulcrum bearing 33 is respectively at the corner location of bottom plate 1, for adjusting bottom
The bearing height of plate 1.
It is respectively corresponded in two linear guides 2 and is equipped with the first sliding block 3 for being slidably matched with it, between two the first sliding blocks 3
It is equipped with equipped with auxiliary table 4, and between two the first sliding blocks 3 for driving auxiliary table 4 between two the first sliding blocks 3
Mobile auxiliary mobile mechanism.The auxiliary mobile mechanism of the present embodiment includes the screw rod 15 being arranged between two the first sliding blocks 3,
The bottom of auxiliary table 4 is equipped with the sub-mount 16 being threadedly engaged with screw rod 15, and one end of screw rod 15 is equipped with handle 17.Silk
The first self-locking device for preventing it from rotating for locking screw rod 15 is equipped between bar 15 and the first sliding block 3.Two of the present embodiment
The guide rod 18 parallel with screw rod 15 is equipped between first sliding block 3, sub-mount 16 is slidably matched with guide rod 18.The present embodiment is led
Bar 18 is set as be parallel to each other two.Also the first Self-locking screw for locking its position can be set on first sliding block 3.
The auxiliary table 4 of the present embodiment is equipped with upright guide rail 5, and upright guide rail 5 is auxiliary equipped with being slidably matched with it
Gauge stand 6 is helped, auxiliary gauge stand 6 is equipped with universal protractor 7 and lever indicator 8, and is additionally provided on auxiliary table 4 for driving
The auxiliary drive mechanism that auxiliary gauge stand 6 is moved along upright guide rail 5.The auxiliary drive mechanism of the present embodiment includes being arranged vertical
The auxiliary belt wheel 19 of 5 upper and lower ends of guide rail is equipped with auxiliary belt 20, auxiliary belt 20 and supplementary table between two auxiliary belt wheels 19
Seat 6 is fixedly connected.Length direction and upright guide rail 5 are equipped between auxiliary table 4 and the shaft of one of auxiliary belt wheel 19
Parallel kidney-shaped circle, the shaft of the auxiliary belt wheel 19 is mounted in kidney-shaped circle, and auxiliary table 4 is equipped with and the auxiliary belt wheel
The adjusting bolt of 19 shaft thread cooperation, the axis for adjusting bolt is parallel with upright guide rail 5, adjusts bolt by rotation, can
To adjust the position for the shaft for covering auxiliary belt wheel 19, and then realize the technical purpose for tensing secondary main belt 20；Another auxiliary belt
The shaft of wheel 19 is equipped with the assist handle 21 for driving it to rotate.Certainly, as needed, gauge stand 6 and back work are assisted
Self-locking screw also can be set between platform 4, be not repeated.
It is slidably matched with it equipped with the second sliding block 9 in two linear guides 2, is respectively equipped on two the second sliding blocks 9 respectively
Measure table mechanism；Measurement table mechanism includes can be on the dial framework of adjusting position in the both direction perpendicular to linear guide 2, dial framework
Installation is equipped with dial gauge 10.The dial framework of the present embodiment includes the gauge stand 22 being fixedly mounted on the second sliding block 9, and gauge stand 22 is equipped with
Vertical table bar 23, vertical table bar 23 are equipped with the sliding sleeve 24 being slidably matched with it, and sliding sleeve 24 is equipped with axis and vertical table
The perforation of the setting in a certain angle of bar 23, perforation inner sleeve are installed with the nauropemeter bar 25 being slidably matched with it, nauropemeter bar 25
One end fixing sleeve is installed with installation set 26, and dial gauge 10 is mounted in installation set 26.In this way, dial gauge 10 can be perpendicular to straight
Quick adjusting position in the both direction of line guide rail 2 realizes the quick technical purpose for adjusting positioning of 10 position of dial gauge.This reality
The sliding sleeve 24 of example is applied equipped with the first lock-screw 27 for locking itself and vertical table bar 23 and nauropemeter bar 25；Installation set
26 are equipped with the second lock-screw 28 for locking 10 installation site of dial gauge, play the role of locking.The gauge stand of the present embodiment
22 are equipped with the second Self-locking screw 31 for locking 9 position of the second sliding block.
The bottom plate 1 of the present embodiment is equipped with main shaft supporting seat 11, is equipped with the master for rotating cooperation in main shaft supporting seat 11
The axis of axis 12, main shaft 12 is parallel with linear guide 2, and main shaft 12 is equipped with scroll chuck 13, another towards one end of auxiliary table 4
One end is equipped with the driving mechanism rotated for driving spindle 12.The driving mechanism of the present embodiment includes motor 29, motor 29
Tape handler 30 is equipped between main shaft 12.The motor 29 of the present embodiment selects stepless electrical machinery, can show in high speed grade
The geometric error fluctuation of part out, and slow speed turbine stage can intuitively reflect error maximum, the smallest limiting value and it is specific certain
The geometric tolerances of position.
The lower section of scroll chuck 13 is equipped with flat-nose pliers 14.The flat-nose pliers 14 of the present embodiment is equipped with the second self-locking device 32.
The geometric tolerance apparatus for demonstrating of the present embodiment is used for clamping cylinder measured workpiece by setting three chucking chuck, if
Horizontalization brank is used for clamping non-circular workpiece；By the way that two linear guides being parallel to each other are arranged, and in two linear guides
The first sliding block and the second sliding block is respectively set, the universal protractor installed on the first sliding block can demonstrate measurement taper, lever hundred
Point table can demonstrate measurement verticality, two dial gauges cooperations can demonstrate measurement concentricity, circularity, circle bounce, flatness and
Depth of parallelism etc., i.e. the geometric tolerance apparatus for demonstrating of the utility model, can demonstrate the structure and principle of all geometric tolerances, and have
There is the advantages of simple structure, small in size, easy to operate and demonstrating visual.
Demonstration is carried out using the geometric tolerance apparatus for demonstrating of the present embodiment to have the advantage that
Plyability --- the displaying of definition explanation and measurement method is concentrated on an apparatus for demonstrating, realizes a variety of function
Energy；
Intuitive --- the general character for seeking a variety of fit tolerances by measurement method integration, simplifies, and understands part for student
Interchangeability provide education informations；
Practicality --- as teaching aid, while it can be used for the practical teachings such as curriculum experiment and opening experiment,
It allows student to operate, measure and uses.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of geometric tolerance apparatus for demonstrating, it is characterised in that: including bottom plate (1), the two sides of the bottom plate (1) are respectively equipped with phase
Mutually parallel linear guide (2)；
The first sliding block (3) for being equipped with and being slidably matched with it is respectively corresponded on two linear guides (2), two described first slide
Auxiliary table (4) are equipped between block (3), and are equipped between two first sliding blocks (3) for driving the back work
The auxiliary mobile mechanism that platform (4) moves between two first sliding blocks (3)；The auxiliary table (4) is equipped with vertical
Guide rail (5), the upright guide rail (5) are equipped with the auxiliary gauge stand (6) being slidably matched with it, and the auxiliary gauge stand (6) is equipped with
Universal protractor (7) and lever indicator (8), and be additionally provided on the auxiliary table (4) for driving the auxiliary gauge stand
(6) auxiliary drive mechanism mobile along the upright guide rail (5)；
The second sliding block (9) being slidably matched with it, two second sliding blocks are respectively equipped on two linear guides (2)
(9) measurement table mechanism is respectively equipped on；The measurement table mechanism includes can be in the both direction perpendicular to the linear guide (2)
The dial framework of upper adjusting position, installation is equipped with dial gauge (10) on the dial framework；
The bottom plate (1) is equipped with main shaft supporting seat (11), and the master for rotating cooperation is equipped in the main shaft supporting seat (11)
The axis of axis (12), the main shaft (12) is parallel with the linear guide (2), and the main shaft (12) is towards the auxiliary table
(4) one end is equipped with scroll chuck (13), the other end is equipped with the driving mechanism for driving the main shaft (12) to rotate；
The lower section of the scroll chuck (13) is equipped with flat-nose pliers (14).
2. geometric tolerance apparatus for demonstrating according to claim 1, it is characterised in that: the auxiliary mobile mechanism includes setting
The bottom of screw rod (15) between two first sliding blocks (3), the auxiliary table (4) is equipped with and the screw rod (15)
The sub-mount (16) being threadedly engaged, and one end of the screw rod (15) is equipped with handle (17).
3. geometric tolerance apparatus for demonstrating according to claim 2, it is characterised in that: between two first sliding blocks (3)
Equipped with the guide rod (18) parallel with the screw rod (15), the sub-mount (16) is slidably matched with the guide rod (18).
4. geometric tolerance apparatus for demonstrating according to claim 1, it is characterised in that: the lower section of the bottom plate (1) is equipped with height
Spend adjustable fulcrum bearing (33).
5. geometric tolerance apparatus for demonstrating according to claim 1, it is characterised in that: the auxiliary drive mechanism includes setting
Auxiliary belt is equipped between the auxiliary belt wheel (19) of the upright guide rail (5) upper and lower ends, two auxiliary belt wheels (19)
(20), the auxiliary belt (20) is fixedly connected with the auxiliary gauge stand (6).
6. geometric tolerance apparatus for demonstrating according to claim 5, it is characterised in that: the auxiliary table (4) with wherein
The length direction kidney-shaped circle parallel with the upright guide rail (5), the institute are equipped between the shaft of one auxiliary belt wheel (19)
The shaft for stating auxiliary belt wheel (19) is mounted in the kidney-shaped circle, and the auxiliary table (4) is equipped with and auxiliary described in this
The adjusting bolt of the shaft thread cooperation of belt wheel (19), the axis for adjusting bolt are parallel with the upright guide rail (5)；It is another
The shaft of a auxiliary belt wheel (19) is equipped with the assist handle (21) for driving it to rotate.
7. geometric tolerance apparatus for demonstrating according to claim 1, it is characterised in that: the dial framework includes being fixedly mounted on institute
The gauge stand (22) on the second sliding block (9) is stated, the gauge stand (22) is equipped with vertical table bar (23), sets on the vertical table bar (23)
There is the sliding sleeve (24) being slidably matched with it, the sliding sleeve (24) is equipped with axis and the vertical table bar (23) is in a clamp
The perforation of angle setting, the perforation inner sleeve are installed with the nauropemeter bar (25) being slidably matched with it, the nauropemeter bar (25)
One end fixing sleeve is installed with installation set (26), and the dial gauge (10) is mounted on the installation set (26).
8. geometric tolerance apparatus for demonstrating according to claim 7, it is characterised in that: the sliding sleeve (24) is equipped with and is used for
Lock the first lock-screw (27) of itself and the vertical table bar (23) and the nauropemeter bar (25)；On the installation set (26)
Equipped with the second lock-screw (28) for locking the dial gauge (10) installation site.
9. geometric tolerance apparatus for demonstrating according to claim 7, it is characterised in that: the gauge stand (22) is equipped with for locking
The second Self-locking screw (31) of fixed second sliding block (9) position；First sliding block (3) is equipped with for locking its position
First Self-locking screw.
10. geometric tolerance apparatus for demonstrating according to claim 1, it is characterised in that: the driving mechanism includes motor
(29), tape handler (30) are equipped between the motor (29) and the main shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351608.9U CN209216421U (en) | 2018-08-21 | 2018-08-21 | Geometric tolerance apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351608.9U CN209216421U (en) | 2018-08-21 | 2018-08-21 | Geometric tolerance apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209216421U true CN209216421U (en) | 2019-08-06 |
Family
ID=67453030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821351608.9U Expired - Fee Related CN209216421U (en) | 2018-08-21 | 2018-08-21 | Geometric tolerance apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209216421U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927050A (en) * | 2022-05-31 | 2022-08-19 | 西安航空学院 | Jumping tolerance detection teaching aid |
| CN114937397A (en) * | 2022-05-24 | 2022-08-23 | 西安航空学院 | Verticality tolerance detection teaching aid |
| CN115064025A (en) * | 2022-06-02 | 2022-09-16 | 杭州永荣实业有限公司 | Geometric tolerance detection teaching experiment table |
-
2018
- 2018-08-21 CN CN201821351608.9U patent/CN209216421U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937397A (en) * | 2022-05-24 | 2022-08-23 | 西安航空学院 | Verticality tolerance detection teaching aid |
| CN114937397B (en) * | 2022-05-24 | 2024-01-09 | 西安航空学院 | Perpendicularity tolerance detection teaching aid |
| CN114927050A (en) * | 2022-05-31 | 2022-08-19 | 西安航空学院 | Jumping tolerance detection teaching aid |
| CN114927050B (en) * | 2022-05-31 | 2023-07-14 | 西安航空学院 | Jumping tolerance detection teaching aid |
| CN115064025A (en) * | 2022-06-02 | 2022-09-16 | 杭州永荣实业有限公司 | Geometric tolerance detection teaching experiment table |
| CN115064025B (en) * | 2022-06-02 | 2023-11-21 | 杭州永荣实业有限公司 | Geometric tolerance detection teaching experiment table |
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| 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: 20190806 Termination date: 20200821 |