CN206200657U - A kind of centring means and axle centring machine for detecting and preventing axle from beating - Google Patents
A kind of centring means and axle centring machine for detecting and preventing axle from beating Download PDFInfo
- Publication number
- CN206200657U CN206200657U CN201621069692.6U CN201621069692U CN206200657U CN 206200657 U CN206200657 U CN 206200657U CN 201621069692 U CN201621069692 U CN 201621069692U CN 206200657 U CN206200657 U CN 206200657U
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- axle
- pedestal
- bolt
- hole
- dynamometry
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Abstract
The utility model provides a kind of centring means and axle centring machine for detecting and preventing axle from beating, aim to solve the problem that shaft-like workpiece is easily beated in process in the prior art, the problem of influence machining accuracy and processing efficiency, centring means includes positioned parallel bar, positioning screw, pedestal, mobile device, annular centering frame, bearing and dynamometry bolt.For detecting the axle centring machine of axle except including above-mentioned centring means, also including frame, left frame, right shelf and top-pushing mechanism.Centring means can detect whether axle beats in axle high-speed rotation, and the side face circularity and concentricity of the axle can be progressively detected along shaft length direction, the bounce of major axis can also in use be kept within bounds, make up shaft strength deficiency and partially song, ensure that axle can keep concentricity in long-term use, control to axle is realized by the pretightning force for adjusting dynamometry bolt, prevent axle in process because on axle suffered axial stress it is excessive and beat.
Description
Technical field
The utility model is related to mechanical manufacturing field, and in particular to a kind of centring means for detecting and preventing axle from beating
And axle centring machine.
Background technology
Machine-building process refers to is engaged in various dynamic power machines, handling machinery, chemical machinery, textile machine, lathe, work
The process of the manufacturings such as tool, instrument, instrument and other plant equipment.Machinery manufacturing industry is a most basic industry of country,
Also a manufacturing integral level of country is determined, its development level directly influences the raising of national economy level.
In current machine-building process, especially to the process of axle in, frequently encounter chucking position not
Cause unbalance stress on workpiece spindle in place or because lacking dynamometric device, cause axle to produce violent bounce in process
Phenomenon, this kind of situation easily makes axle fracture, the progress that on the one hand influence is manufactured；On the other hand, it is serious to say, can also endanger existing
The life of field operating personnel, great potential safety hazard is brought to corporate social.
Utility model content
Goal of the invention of the present utility model is to provide a kind of centring means for detecting and preventing axle from beating, this use
Bolt pretightening can effectively be measured by dynamometry bolt and then measured suffered on axle in detecting and preventing the centring means of axle bounce
Circumferential stress, influence of the circumferential stress to axle in process in control shaft prevent the bounce of axle.
Interrelated with above-mentioned technology, second goal of the invention of the invention is to provide a kind of using above-mentioned centring means
For detect axle whether the whether qualified axle centring machine of partially bent, shaft concentricity.
In order to realize foregoing invention purpose, the utility model uses following technical scheme：
A kind of centring means for detecting and preventing axle from beating, including：At least two positioned parallel bars, a positioning spiral shells
Bar, pedestal, the mobile device on screw rod, the annular bearing and multiple dynamometry bolts of frame, inner ring more than axle external diameter of feeling relieved；
The positioning screw is mutually parallel two-by-two with parallel locating rod；Pedestal edge is socketed in two parallel locating rods
Above and slidably；Mobile device is fixedly connected on another edge of the pedestal, and mobile device is sleeved on a positioning screw；
At least two positioned parallel bars and a positioning screw be not complete at grade, sets up pedestal with this and limits pedestal in positioning
Pole length side's upward sliding；
The pedestal is cube hollow structure, and one end of pedestal is provided with the first through hole passed through for axle, and the other end is provided with confession
The second through hole that bearing is installed, two through hole position is relatively concentric, the external diameter of the internal diameter more than the axle of the bearing inner race；
The annular centering frame is arranged between the first through hole of described pedestal one end and bearing；First through hole hole sets along place
There are the multiple tapped through holes axially in parallel with the first through hole, multiple dynamometry bolts are arranged on the tapped through hole, it is multiple
The end of thread of dynamometry bolt distinguishes end face of the top pressure in annular centering frame, and the distribution of multiple dynamometry bolt positions and the annular
Centering frame matches；The annular centering frame other end is the cone tip part of annular, and the inner ring of the bearing is matched with the cone tip part
Cone, a mobilizable steel ball of circle is riveted on cone tip part；Dynamometry bolt compresses annular centering frame to the feeding of bearing direction
When, the mobilizable steel ball card of a circle is pressed between bearing cone and axle outer wall, causes pedestal to pass through bearing and one
Enclose mobilizable steel ball and rotatably support the axle.
Used as further improvement of the utility model, the mobile device includes one with female inner sleeve and overcoat
Cylinder；Inner sleeve sidepiece is flexibly connected with outer sleeve, and mobile device is fixedly connected on the pedestal another side by the outer sleeve
In portion；The internal thread of inner sleeve coordinates with the positioning screw, and inner sleeve the other side is provided with rotating part, and rotating part is provided with edge
Extend radially towards the clamping screw of positioning screw.
It is pre- dynamometry bolt to be additionally provided with as further improvement of the utility model, between the dynamometry bolt head and pedestal
Clamp force sensor, the dynamometry tools for bolts ' pretension force snesor is adapted with the dynamometry bolt.
Used as further improvement of the utility model, pedestal is provided with radially and is open towards first through hole inwall
Split groove, positioned at pedestal outside portion and splitting formed between groove can deformation thin-walled；Pedestal on the inside of multiple tapped through holes is thin
The multiple locking screw holes axially in parallel with the tapped through hole are additionally provided with wall, locking screw holes are provided with multiple locking spiral pins, lock
Tight spiral pin the inner insertion thin-walled is headed into and splits groove opposite side wall；Locking spiral pin top pressure splits groove opposite side wall causes thin-walled deformation, so that
The Screw Thread Fit Clearance between dynamometry bolt and tapped through hole is eliminated, locking is realized.
Used as further improvement of the utility model, the dynamometry bolt is adapted with locking spiral pin.
In order to realize above-mentioned second goal of the invention, present invention also offers a kind of axle centering for detecting axle bounce
Machine, it includes above-mentioned centring means, and also including support, left frame, right shelf and top-pushing mechanism, the support can by foundation bolt
Dismounting connection is on the ground；Left frame, right shelf are detachably connected on support by bolt；At least two positioned parallel bars with
A piece positioning screw is installed between the left frame, right shelf；The top-pushing mechanism floor installation is parallel at described at least two
In locating rod, right-hand member is fixedly mounted in the right shelf.
Compared with prior art, the beneficial effects of the utility model are：
Centring means for detecting and preventing axle from beating of the present utility model, can effectively measure whether axle is partially bent, and axle is all
Face circularity, and shaft concentricity.Certainly, whether the utility model can beat in axle high-speed rotation and can also detect, and
The side face circularity and concentricity of the axle can be progressively detected along shaft length direction.
In addition, of the present utility model using for detecting that the centring means of the axle centring machine of axle bounce can also survey the axle
Suffered circumferential stress on journey axis, can also keep within bounds the bounce of major axis in use, make up shaft strength deficiency and partially song；
Ensure that axle can keep concentricity in long-term use, the control to axle is realized by the pretightning force for adjusting dynamometry bolt, prevent axle
In process because on axle suffered axial stress it is excessive and beat.
The utility model cylindrical parts surface polishing device is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model is used to detect and prevent the centring means that axle is beated；
Fig. 2 is the zoomed-in view shown in A in the utility model Fig. 1；
Fig. 3, Fig. 4 be the utility model be used for detect and prevent axle beat centring means detect different length axle when
View.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Can show refering to Fig. 1 to Fig. 4, it is a kind of for detect and prevent axle beat centring means, mainly by：At least two are put down
Row locating rod 1, positioning screw 1a, a pedestal 2, the mobile device 3 on screw rod, annular centering frame 4, inner ring are more than axle
The bearing 5 of external diameter and multiple dynamometry bolts 6 are constituted.Wherein：Positioning screw 1a is mutually parallel two-by-two with parallel locating rod 1, point
Other frame is on the both sides of pedestal 2, and they are not complete at grade.At least two settings of locating rod, are on the one hand conducive to pedestal 2
Reciprocal slip is done thereon；On the other hand three-legged structure can be constituted with positioning screw 1a, controls the stability of pedestal 2, prevented
Only pedestal 2 is inclined and then ensures that the axle 7 being arranged in pedestal through hole is not inclined.
Mobile device 3 is fixedly connected on another edge of pedestal 2, that is, positioned parallel bar 2 opposite side, 3 sets of mobile device
On a positioning screw 1a.
There are enough installing spaces for the ease of annular centering frame 4, pedestal 2 is cube hollow structure, is consequently formed two
The end face of wall thickness.One end of pedestal is provided with the first through hole 20 passed through for axle 7, and the other end is provided with second installed for bearing 5 and leads to
Hole 21, unbalance stress is caused in order to avoid axle is inclined, and two through hole position is relatively concentric, almost in the same horizontal line.In bearing 5
External diameter of the internal diameter of circle more than axle 7.Annular centering frame 4 is specifically between the first through hole 20 and bearing 5 of the one end of pedestal 2.
In traditional axle process, due to not knowing the stressing conditions of axle, often there are following feelings in motor connection axle
Condition：1st, clamping device holds tension, and axle rotates difficulty in process；2nd, clamping device folder is too loose, and axle is in process
In easily rock.In the case of rotating speed identical, it is tighter that axle is locked, and motor consumption rate is bigger.So in process of manufacture
In increased the production cost of enterprise again.So the hole Yan Chu of first through hole 20 in this device is additionally provided with and the axle of first through hole 20
To parallel multiple tapped through holes 22, multiple dynamometry bolts 6 are arranged on tapped through hole 22, the end of thread of multiple dynamometry bolts 6
Respectively top pressure annular centering frame 4 end face, multiple dynamometry bolts 6 with annular centering frame 4 center be the center of circle, around annular
The centering circle of frame one is uniformly distributed.
Bolt connection is one kind of threaded fastener connected mode, and this assembly connection mode has simple structure, low cost
Honest and clean, less demanding to assembly tool, easy installation and removal, be easy to safeguard change the advantages of.Though bolt is small, the role of its
Can't neglect, once its failure frequently can lead to whole mechanical device and cannot work, the serious machine that results even in ruins people
The consequence died.It is accurate to grasp bolt pretightening and necessary amendment is carried out according to testing result, it is particularly important to keeping the safety in production.Institute
To install dynamometry bolt herein, dynamometry bolt is also tools for bolts ' pretension force snesor, is that one kind bolt integrated sensor is direct
The device of pretightning force is measured, principle is that measuring cell is incorporated into bolt, and bolt is changed into a force cell, makes it
When working bolt is served as while measuring bolt clipping forcee, can at any time judge whether the bolt tightened reaches design pretension
The requirement of power.Dynamometry bolt directly as load-sensing unit sensor, will act at bolt on bolt in most direct mode
Power is measured, simple structure, and measurement is accurate.Annular centering frame 4 one end be from above seeing in a ring, it is tapered from the side
Cone tip part 4a, the inner ring of bearing 5 is the cone matched with cone tip part 4a, and a mobilizable steel of circle is riveted on cone tip part 4a
Ball 40.When dynamometry bolt 6 compresses annular centering frame 4 to the feeding of bearing direction, the mobilizable card of steel ball 40 of a circle is pressed in bearing cone
Between shape inner ring and the outer wall of axle 7, pedestal 2 is caused to enclose mobilizable steel ball 40 by bearing 5 and one and rotatably support axle
7。
Pedestal 2 is slidably reciprocated on positioning screw 1a for convenience, and mobile device 3 is also provided with centring means, mobile
Device includes one with female inner sleeve 3a and outer sleeve 3b；The sidepieces of inner sleeve 3a mono- are flexibly connected with outer sleeve 3b, move
Dynamic device can also can be fixedly connected in another edge of pedestal 2 with welding by outer sleeve 3b with other connected modes,
That is pedestal can follow mobile device to move together, and in the same direction；It is interior in external screw thread on positioning screw 1a and inner sleeve 3a
The thread forms of screw thread, specification and pitch all same, positioning screw 1a pass through inner sleeve 3a, between them by external screw thread with it is interior
Screw thread cooperates.Inner sleeve 3a the other sides are provided with rotating part, and rotating part is provided with the lock for radially stretching to positioning screw 1a
Tight bolt 3c, that is to say, that clamping screw 3c is arranged in a mutually vertical manner with positioning screw 1a.The effect of clamping screw is mobile device
When pedestal is moved to appropriate position work, prevent mobile device from being slided on positioning screw and drive pedestal to move again, so that
Pedestal is locked by way of locking mobile device.
Dynamometry tools for bolts ' pretension force snesor 61, dynamometry bolt pretightening are there is also mounted between the head of dynamometry bolt 6 and pedestal 2
The number of sensor 61 is consistent with dynamometry bolt 6, is used in conjunction with each other two-by-two.Axle in process, ceaselessly rotates
Turnery processing, along with the axial force of motor output, it is easy to make dynamometry bolt be loosened in the effect of power, so being installed herein
The purpose of dynamometry tools for bolts ' pretension force snesor 61 is exactly effectively to measure power suffered on dynamometry bolt 6, prevent bolt looseness or
It is locked.
In order that the pretightning force that dynamometry bolt 6 is received directly is acted axially on annular centering frame, and in order to keep bolt pre-
The direction of clamp force is basically identical with axial stress direction suffered by axle 7, is additionally provided with pedestal 2 radially and is open towards the
One through hole 20 inwall splits groove 23, positioned at the outside portion of pedestal 2 and splitting formed between groove 23 can deformation thin-walled；Around multiple screw threads
The multiple locking screw holes axially in parallel with tapped through hole 22 are additionally provided with the thin-walled of pedestal 2 of the inner side of through hole 22, locking spiral pin 8 is installed
In locking screw holes, the inner insertion thin-walled of locking spiral pin 8 is headed into and splits the opposite side wall of groove 23；Dynamometry bolt easily makes thin-walled when locking
Produce and dynamometry bolt axial force tension force in opposite direction, extremely make thin-walled stress deformation, be at this moment accomplished by the locking top pressure of spiral pin 8 and split
The opposite side wall of groove 23 causes thin-walled to compress and returns original shape, so that the screw thread eliminated between dynamometry bolt 6 and tapped through hole 22 coordinates
Gap, realizes locking.
Dynamometry bolt 6 can be adapted according to the effect of desired realization with locking spiral pin 8, can be with 1:1, it is also possible to 2:1, or
Person other.
Can show refering to Fig. 1, a kind of axle centring machine for detecting axle bounce, it includes above-mentioned centring means, also includes
Support 9, left frame 91, right shelf 92 and top-pushing mechanism 10, above-mentioned support 9 are detachably connected on ground by foundation bolt；Left frame
91st, right shelf 92 is detachably connected on support 9 by bolt；Above-mentioned at least two positioned parallel bars 1 and a positioning screw 1a
It is installed between left frame 91, right shelf 92；The floor installation of top-pushing mechanism 10 at least two positioned parallel bars 1, fix by right-hand member
In right shelf 92.
Support 9 is detachably connected on ground by foundation bolt, and left frame 91 and right shelf 92 are detachably connected again by bolt
It is connected on support 9, the mode of being connected by screw bolts is connected, convenient disassembly, the maintenance beneficial to the later stage to machine.
For fixed at least two positioned parallel bars 1 and the installation site of positioning screw 1a, at least two positioned parallel bars 1
And a positioning screw 1a is installed between left frame 91, right shelf 92.
In order to install the axle of different length, top-pushing mechanism 10 is also provided with axle centring machine.Top-pushing mechanism 10 can be with
Be made up of thimble, bearing, base and cylinder, the floor installation of top-pushing mechanism at least two positioned parallel bars 1, the cone of thimble
The axle that need to be felt relieved is withstood at shape end, form three-legged structure, it is to avoid the phenomenon of double swerve occurs in moving process in thrustor,
Bearing holder (housing, cover) is on thimble outer wall.The push rod of cylinder is fixedly connected on one end of thimble, makes thimble follow cylinder to do motion, gas in the same direction
When the push rod of cylinder is pushed away forward, thimble follows push rod to move forward, and this kind of situation is adapted to fit shorter axle；The push rod of cylinder is backward
During drawing, thimble is followed and drawn back, and this kind of situation is adapted to fit axle more long.
Visible refering to Fig. 3, Fig. 4, B, B1 are shown short axle, major axis.
This centring means on the one hand by dynamometry bolt effectively measure axle needed for pretightning force, and then controlled motor turn
Speed, effectively reduces the waste of the energy, reduces the cost of enterprise, moreover it is possible to effectively prevent axle from beating, and then improves workpiece
Machining accuracy and processing speed, on the other hand can be adapted to different length axle detection, have a wide range of application, to a certain extent
Say the cost for also reducing enterprise.
This axle centring machine has a wide range of application, and is applicable the detection of the axle of different length, changes traditional major and minor axis classification point
The situation of machining, utilization space is maximized, and significantly reduces the production cost of enterprise.
Specific embodiment of the utility model is the foregoing is only, but technical characteristic of the present utility model is not limited to
This, any those skilled in the art in field of the present utility model, all cover new in this practicality by the change or modification made
Among the scope of the claims of type.
Claims (6)
1. it is a kind of for detect and prevent axle beat centring means, it is characterised in that：Centring means includes：At least two parallel
It is locating rod (1), positioning screw (1a), a pedestal (2), the mobile device (3) on screw rod, annular centering frame (4), interior
Bearing (5) of the circle more than axle external diameter and multiple dynamometry bolt (6)；The positioning screw (1a) is equal two-by-two with parallel locating rod (1)
It is parallel to each other；Pedestal (2) edge is socketed in two parallel locating rods (1) and slidably；Mobile device (3) is fixedly connected on
Another edge of the pedestal (2), and mobile device (3) is sleeved on a positioning screw (1a)；At least two positioned parallel bars
(1) pedestal (2) and positioning screw (1a) is not complete at grade, is set up with this and to limit pedestal (2) long in locating rod
Degree side's upward sliding；
The pedestal (2) is cube hollow structure, and one end of pedestal (2) is provided with the first through hole (20) passed through for axle (7), another
End is provided with the second through hole (21) installed for bearing (5), and two through hole position is relatively concentric, and the internal diameter of bearing (5) inner ring is big
In the external diameter of the axle (7)；
Annular centering frame (4) is between the first through hole (20) and bearing (5) of the pedestal (2) one end；First leads to
Hole (20) hole Yan Chu is provided with the multiple tapped through holes (22) axially in parallel with the first through hole (20), multiple dynamometry bolts (6)
It is arranged on the tapped through hole (22), the end of thread difference top pressure of multiple dynamometry bolts (6) is in one end of annular centering frame (4)
Face, and multiple dynamometry bolt (6) position distribution matches with annular centering frame (4)；Annular centering frame (4) other end is ring
The cone tip part (4a) of shape, the inner ring of the bearing (5) is the cone matched with the cone tip part (4a), on cone tip part (4a)
The mobilizable steel ball (40) of the circle of riveting one；When dynamometry bolt (6) compresses annular centering frame (4) to the feeding of bearing direction, described one
Enclose mobilizable steel ball (40) card to be pressed between bearing cone and axle (7) outer wall, cause the pedestal (2) by bearing
(5) and a mobilizable steel ball (40) of circle and rotatably support the axle (7).
2. it is according to claim 1 it is a kind of for detect and prevent axle beat centring means, it is characterised in that：The shifting
Dynamic device (3) is including one with female inner sleeve (3a) and outer sleeve (3b)；Inner sleeve (3a) sidepiece and outer sleeve (3b)
It is flexibly connected, mobile device (3) is fixedly connected in the pedestal (2) another edge by the outer sleeve (3b)；Inner sleeve
The internal thread of (3a) coordinates with the positioning screw (1a), and inner sleeve (3a) the other side is provided with rotating part, and rotating part is provided with
Radially stretch to the clamping screw (3c) of positioning screw (1a).
3. it is according to claim 1 it is a kind of for detect and prevent axle beat centring means, it is characterised in that：The survey
Dynamometry tools for bolts ' pretension force snesor (61) is additionally provided between power bolt (6) head and pedestal (2), the dynamometry bolt pretightening is passed
Sensor (61) is adapted with the dynamometry bolt (6).
4. it is according to claim 1 it is a kind of for detect and prevent axle beat centring means, it is characterised in that：Pedestal
(2) it is provided with radially and groove (23) is split in opening towards first through hole (20) inwall, positioned at pedestal (2) outside portion and splits
Between groove (23) formed can deformation thin-walled；It is additionally provided with and institute on pedestal (2) thin-walled on the inside of multiple tapped through holes (22)
The axially in parallel multiple locking screw holes of tapped through hole (22) are stated, locking screw holes are provided with multiple lockings spiral pin (8), lock spiral pin
(8) inner insertion thin-walled is headed into and splits groove (23) opposite side wall；Locking spiral pin (8) top pressure splits groove (23) opposite side wall causes thin-walled shape
Become, so as to eliminate the Screw Thread Fit Clearance between dynamometry bolt (6) and tapped through hole (22), realize locking.
5. it is according to claim 4 it is a kind of for detect and prevent axle beat centring means, it is characterised in that：The survey
Power bolt (6) is adapted with locking spiral pin (8).
6. a kind of axle centring machine for detecting axle, including the centring means described in claim 1-5, it is characterised in that：Also wrap
Support (9), left frame (91), right shelf (92) and top-pushing mechanism (10) are included, the support (9) is detachably connected on by foundation bolt
On ground；Left frame (91), right shelf (92) are detachably connected on support (9) by bolt；At least two positioned parallel bars
(1) it is installed between the left frame (91), right shelf (92) with a positioning screw (1a)；Top-pushing mechanism (10) the base peace
On at least two positioned parallel bars (1), right-hand member is fixedly mounted in the right shelf (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069692.6U CN206200657U (en) | 2016-09-22 | 2016-09-22 | A kind of centring means and axle centring machine for detecting and preventing axle from beating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069692.6U CN206200657U (en) | 2016-09-22 | 2016-09-22 | A kind of centring means and axle centring machine for detecting and preventing axle from beating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206200657U true CN206200657U (en) | 2017-05-31 |
Family
ID=58760920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621069692.6U Expired - Fee Related CN206200657U (en) | 2016-09-22 | 2016-09-22 | A kind of centring means and axle centring machine for detecting and preventing axle from beating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206200657U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239264A (en) * | 2016-09-22 | 2016-12-21 | 温州统利机械科技有限公司 | For the centring means detected and prevent axle from beating and axle centring machine |
| CN109176073A (en) * | 2018-10-26 | 2019-01-11 | 成都科力夫科技有限公司 | A kind of part constrained procedure for auto parts processing |
| CN109176074A (en) * | 2018-10-26 | 2019-01-11 | 成都科力夫科技有限公司 | A kind of engine axial workpiece restraint device |
-
2016
- 2016-09-22 CN CN201621069692.6U patent/CN206200657U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239264A (en) * | 2016-09-22 | 2016-12-21 | 温州统利机械科技有限公司 | For the centring means detected and prevent axle from beating and axle centring machine |
| CN106239264B (en) * | 2016-09-22 | 2018-01-19 | 温州统利机械科技有限公司 | For the centring means and axle centring machine for detecting and preventing axle from beating |
| CN109176073A (en) * | 2018-10-26 | 2019-01-11 | 成都科力夫科技有限公司 | A kind of part constrained procedure for auto parts processing |
| CN109176074A (en) * | 2018-10-26 | 2019-01-11 | 成都科力夫科技有限公司 | A kind of engine axial workpiece restraint device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20170922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |