CN207447520U - The gear-hobbing clamp of unthreaded hole gear - Google Patents
The gear-hobbing clamp of unthreaded hole gear Download PDFInfo
- Publication number
- CN207447520U CN207447520U CN201721504850.0U CN201721504850U CN207447520U CN 207447520 U CN207447520 U CN 207447520U CN 201721504850 U CN201721504850 U CN 201721504850U CN 207447520 U CN207447520 U CN 207447520U
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- China
- Prior art keywords
- gear
- pull rod
- hole
- hobbing
- conical surface
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Abstract
The utility model is related to a kind of gear-hobbing clamps of unthreaded hole gear,Including a gear hobbing mandrel,Expansion sleeve,Expansion sleeve inner circle both ends are respectively equipped with the guiding conical surface,Gear hobbing mandrel is multi-diameter shaft,Multi-diameter shaft includes the first ladder section that front end is set gradually,Second-order bench,Wherein the diameter of second-order bench is more than the first ladder section,Second-order bench is by the first swelling conical surface to the first ladder section transition,Expansion sleeve is sleeved on gear hobbing mandrel,The first of expansion sleeve is oriented to the conical surface and the first swelling cone match,First ladder section coordinates in the axis hole of a pull rod sleeve,The top of pull rod sleeve sets the positioning taper hole for the top cooperation with gear-hobbing machine,Pull rod sleeve lower end sets the second swelling conical surface,The second swelling conical surface is used to be oriented to cone match with the second of expansion sleeve,Gear hobbing mandrel is equipped with the axial hole for axially penetrating through gear hobbing mandrel,With unification pull rod in axial hole,Pull rod front end and the threaded hole thread fitting of pull rod sleeve,Back end of tie rod is connected fixation with gear-hobbing machine hydraulic cylinder.
Description
Technical field
The utility model is related to a kind of fixtures, and in particular to a kind of gear-hobbing clamp of unthreaded hole gear.
Background technology
At present during the gear-hobbing clamp gear hobbing process of unthreaded hole gear, clamping is carried out by tapered sleeve, tapered sleeve then needs bolt
It is fastened and is adjusted, it is necessary to spanner rotating nuts when tearing gear blank open after clamping gear blank and processing, moved up and down using tapered sleeve,
Expansion set distending or shrink is realized that gear blank is clamped or unclamped, and when using aforesaid way clamping unthreaded hole gear blank, is required for operator
Member needs to be unclamped with spanner and locking nut, and labor intensity is big, and clamping efficiency is low, also extends the entire gear hobbing process time, by
Spanner tightening nut cannot be used in conventional mechanical hand, it has not been convenient to operating personnel's converted products is replaced using manipulator, so as to not
Realization automatic loading/unloading can be facilitated, obstacle is brought for automated production.
The content of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of gear-hobbing clamp of unthreaded hole gear, it is tied
Structure simple and compact, positioning accuracy are high, workpiece loading and unloading is rapid, are conducive to improve production efficiency.
What the purpose of this utility model was realized in：A kind of gear-hobbing clamp of unthreaded hole gear, including a gear hobbing mandrel, swollen
Fixed, the expansion sleeve inner circle both ends are respectively equipped with the guiding conical surface, and the gear hobbing mandrel is multi-diameter shaft, before the multi-diameter shaft includes
Hold the first ladder section, the second-order bench that set gradually, the wherein diameter of second-order bench is more than the first ladder section, and described second
By the first swelling conical surface to the first ladder section transition, the expansion sleeve is sleeved on gear hobbing mandrel ladder section, and the first of expansion sleeve
The conical surface and the first swelling cone match are oriented to, the first ladder section cooperation is in the axis hole of a pull rod sleeve, the drag link sleeve
The top of cylinder sets the positioning taper hole for the top cooperation with gear-hobbing machine, and the pull rod sleeve lower end sets the second swelling to bore
Face, the second swelling conical surface are used to be oriented to cone match with the second of expansion sleeve, and the gear hobbing mandrel is equipped with and axially penetrates through rolling
The axial hole of tooth core axis, with unification pull rod in the axial hole, the pull rod front end overhang axial hole and with pull rod sleeve
Threaded hole thread fitting, the back end of tie rod overhang axial hole and are connected fixation with gear-hobbing machine hydraulic cylinder.
It is additionally provided with the 3rd ladder section on the gear hobbing mandrel, the 3rd ladder section is by positioning shaft shoulder to second-order bench
Transition is equipped with space washer in the second-order bench, and the space washer passes through positioning shaft shoulder axially position, the positioning
Washer is connected fixation with gear hobbing mandrel, and positioning disk is supported on the space washer, and the positioning disk is determined for the axial direction of gear blank
Position supporting.
The positioning disk is equipped with bolt hole, and the positioning disk passes through the connection bolt and space washer in bolt hole
Connection is fixed.
The axial hole of the gear hobbing mandrel is stepped hole, and the path section of the stepped hole is communicated with pull rod sleeve, the axis
Coordinate stairstepping pull rod into hole, the major diameter section of the major diameter section of the pull rod and axial hole coordinates, the path section of the pull rod with
The path section cooperation of axial hole.
The pull rod front end is equipped with the connection screw thread with pull rod sleeve connection, and the back end of tie rod is equipped with and gear-hobbing machine hydraulic pressure
The connection screw thread of cylinder connection.
The anti-turn screw for extending radially through gear hobbing mandrel side wall is provided on the gear hobbing mandrel, the anti-turn screw front end is stretched
Enter the major diameter section of axial hole and be connected in the keyway of pull rod.
The axis hole passes through the vent that pull rod sleeve lateral wall is set and the external world with the cavity that gear hobbing mandrel front end is formed
Connection.
One end excircle of the expansion sleeve close to pull rod sleeve is equipped with chamfering.
The rear end of the gear hobbing mandrel sets a hold-down support, and the horizontal extension of the hold-down support is equipped with installation spiral shell
Keyhole.
The first of the expansion sleeve is oriented to the conical surface and the taper of the second guiding conical surface is identical.
Using the above program, the expansion sleeve inner circle both ends are respectively equipped with the guiding conical surface, and the gear hobbing mandrel is multi-diameter shaft,
The multi-diameter shaft includes front end the first ladder section, the second-order bench that set gradually, and wherein the diameter of second-order bench is more than the
Single order bench, for the second-order bench by the first swelling conical surface to the first ladder section transition, the expansion sleeve is sleeved on gear hobbing core
On axis, the first of expansion sleeve is oriented to the conical surface and the first swelling cone match, and the first ladder section cooperation is in a pull rod sleeve
In axis hole, the top of the pull rod sleeve sets the positioning taper hole for the top cooperation with gear-hobbing machine, under the pull rod sleeve
End sets the second swelling conical surface, and the second swelling conical surface is used to be oriented to cone match, the gear hobbing core with the second of expansion sleeve
Axis is equipped with the axial hole for axially penetrating through gear hobbing mandrel, unification pull rod is matched somebody with somebody in the axial hole, the pull rod front end overhangs axial direction
The threaded hole thread fitting of Kong Bingyu pull rod sleeves, the back end of tie rod overhang axial hole and are connected with gear-hobbing machine hydraulic cylinder solid
It is fixed.Gear hobbing mandrel is fixed on lathe, and the positioning taper hole of the pull rod sleeve coordinates with gear-hobbing machine, due to the pull rod front end outside
Stretch out axial hole and threaded hole thread fitting with pull rod sleeve, the back end of tie rod overhang axial hole and with gear-hobbing machine hydraulic pressure
Cylinder connection is fixed, and the axis hole for pulling up rod sleeve is oriented to sliding up and down for rod sleeve of pull-up with gear hobbing mandrel fit structure,
Prevent deflection, when exerting a force to pull rod, pull rod rigidly pulls pull rod sleeve, the second swelling conical surface and the gear hobbing mandrel of pull rod sleeve
The first swelling conical surface is close to each other, and the space between the second swelling conical surface and the first swelling conical surface, which becomes smaller, promotes expansion sleeve radially to become
Shape is expanded, and expansion sleeve radial deformation forms interference with gear blank and fixes, and expansion sleeve forms integral structure with gear blank, completes clamping.It is swollen
Fixed both ends are equipped with the guiding conical surface, and expansion sleeve both ends deform exert a force to gear blank simultaneously, and gear blank endoporus both ends force is respectively scattered, subtracts
Small stress concentration effect can improve product quality.Disconnection is acted in overload, equipment can be protected not to be damaged by expansion sleeve
Evil.Gear blank is fixed using expansion sleeve to feel relieved, bearing capacity is high, and no keyway reduces stress raiser, and connection structure resists
Fatigue strength is high, not fastened in entire clamping process and loose nut, and only pull rod need to be carried out apply pulling force can complete
Clamping, it is convenient and simple for operation, quick, manipulator can direct loading and unloading, ensure that the precision and quality of gear hobbing teeth portion, improve
The upper-lower product time.
It is additionally provided with the 3rd ladder section on the gear hobbing mandrel, the 3rd ladder section is by positioning shaft shoulder to second-order bench
Transition is equipped with space washer in the second-order bench, and the space washer passes through positioning shaft shoulder axially position, the positioning
Washer is connected fixation with gear hobbing mandrel, and positioning disk is supported on the space washer, and the positioning disk is determined for the axial direction of gear blank
Position supporting, by adjusting the gear blank processing of the different facewidth can be applicable in replacement different-thickness positioning disk.
The axial hole of the gear hobbing mandrel is stepped hole, and the path section of the stepped hole is communicated with pull rod sleeve, the axis
Coordinate stairstepping pull rod into hole, the major diameter section of the major diameter section of the pull rod and axial hole coordinates, the path section of the pull rod with
The path section cooperation of axial hole, sets stairstepping pull rod that can improve the bearing strength of pull rod hypomere, while can guarantee pull rod again
Leading portion can pass through the stepped hole leading portion path section of gear hobbing mandrel.
The pull rod front end is equipped with the connection screw thread with pull rod sleeve connection, and the back end of tie rod is equipped with and gear-hobbing machine hydraulic pressure
The connection screw thread of cylinder connection, threaded connection, which is that one kind is widely used, to be removably fixedly connected, and has simple in structure, connection can
The advantages that leaning on, being convenient to mount and dismount
The anti-turn screw for extending radially through gear hobbing mandrel side wall is provided on the gear hobbing mandrel, the anti-turn screw front end is stretched
Enter the major diameter section of axial hole and be connected in the keyway of pull rod, set anti-turn screw that can prevent the screw connection structure pine of pull rod
It is dynamic, pull rod can be made to provide the pulling force persistently and stablized.
The axis hole passes through the vent that pull rod sleeve lateral wall is set and the external world with the cavity that gear hobbing mandrel front end is formed
Connection sets vent that can reduce air pressure resistance when gear hobbing mandrel is mutually moved with pull rod sleeve.
One end excircle of the expansion sleeve close to pull rod sleeve is equipped with chamfering, and chamfering is set gear blank can be guided to be assemblied in
Outside expansion sleeve.
The rear end of the gear hobbing mandrel sets a hold-down support, and the horizontal extension of the hold-down support is equipped with installation spiral shell
Keyhole, by setting bolt mounting holes that can be convenient for that gear hobbing mandrel is fixed on the table top of lathe by bolt.
The first of the expansion sleeve is oriented to the conical surface and the taper of the second guiding conical surface is identical, the identical expansion sleeve both ends of taper
Deflection and rate of deformation are consistent, and expansion sleeve can be made to apply scattered, uniform pressure to gear blank.
Using above-mentioned utility model, it is simple and compact for structure, positioning accuracy is high, workpiece loading and unloading is rapid, is conducive to improve life
Produce efficiency.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the expansion sleeve of the utility model；
Fig. 3 is the structure diagram of the pull rod sleeve of the utility model；
Fig. 4 is the structure diagram of the gear hobbing mandrel of the utility model.
In attached drawing, 1 is gear hobbing mandrel, and 1a is the first ladder section, and 1b is second-order bench, and 2 be pull rod sleeve, and 2a is axis
Hole, 2b are the second swelling conical surface, and 2c is positioning taper hole, and 1c is the first swelling conical surface, and 3 be expansion sleeve, and 3a is oriented to the conical surface for first,
3b is oriented to the conical surface for second, and 1d is axial hole, and 4 be pull rod, and 5 be space washer, and 6 be positioning disk, and 7 be anti-turn screw, and 4b is key
Slot, 1e are vent, and 3e is chamfering, and 1f is installation bolt hole, the 3rd ladder sections of 1g.
Specific embodiment
Referring to the drawings, it will be described in the specific embodiment of the utility model.
Referring to Fig. 1 to Fig. 4, a kind of embodiment of the gear-hobbing clamp of unthreaded hole gear, the gear-hobbing clamp of unthreaded hole gear, including one
Gear hobbing mandrel 1, expansion sleeve 3, the 3 inner circle both ends of expansion sleeve are respectively equipped with the guiding conical surface, and the guide cone face is led including first
Conical surface 3b is oriented to conical surface 3a and second, it is preferable that the first of the expansion sleeve 3 is oriented to conical surface 3a and second and is oriented to conical surface 3b's
Taper is identical, and the deflection and rate of deformation at identical 3 both ends of expansion sleeve of taper are consistent, and expansion sleeve 3 can be made to apply gear blank
Scattered, uniform pressure.One end excircle of the expansion sleeve 3 close to pull rod sleeve 2 is equipped with chamfering 3e, sets chamfering 3e can
Guiding gear blank is assemblied in outside expansion sleeve 3.The gear hobbing mandrel 1 is multi-diameter shaft, and the multi-diameter shaft includes that front end is set gradually
Single order bench 1a, second-order bench 1b, the wherein diameter of second-order bench 1b are more than the first ladder section 1a, the second-order bench
For 1b by the first swelling conical surface 1c to the first ladder section 1a transition, the rear end of the gear hobbing mandrel 1 sets a hold-down support, described
The horizontal extension of hold-down support is equipped with installation bolt hole 1f, by setting bolt mounting holes that can be convenient for rolling by bolt
Tooth core axis 1 is fixed on the table top of lathe.The expansion sleeve 3 is sleeved on gear hobbing mandrel 1, and the first of expansion sleeve 3 is oriented to conical surface 3a
Coordinate with the first swelling conical surface 1c, the first ladder section 1a cooperations are in the axis hole 2a of a pull rod sleeve 2, the pull rod sleeve
2 top sets the positioning taper hole 2c for the top cooperation with gear-hobbing machine, and 2 lower end of pull rod sleeve sets the second swelling to bore
Face 2b, the second swelling conical surface 2b are used to be oriented to conical surface 3b cooperations with the second of expansion sleeve 3.It is also set on the gear hobbing mandrel 1
There is the 3rd ladder section 1g, the 3rd ladder section 1g by positioning shaft shoulder to second-order bench 1b transition, the second-order bench
Space washer 5 is equipped on 1b, the space washer 5 passes through positioning shaft shoulder axially position, the space washer 5 and gear hobbing mandrel
1 connection is fixed, and positioning disk 6 is supported on the space washer 5, and the positioning disk 6 is equipped with bolt hole, the positioning disk 6
Fixation is connected with space washer 5 by the connection bolt in bolt hole, the positioning disk 6 is used for the axially position branch of gear blank
It holds, by adjusting the gear blank processing of the different facewidth can be applicable in replacement different-thickness positioning disk 6.Preferably, the axis hole 2a
The cavity formed with 1 front end of gear hobbing mandrel is in communication with the outside by the vent 1e that 2 side wall of pull rod sleeve is set, and sets exhaust
Duct 1e can reduce air pressure resistance when gear hobbing mandrel 1 is mutually moved with pull rod sleeve 2.The gear hobbing mandrel 1 is equipped with axis
Into the axial hole 1d, the axial hole 1d through gear hobbing mandrel 1 with unification pull rod 4, it is preferable that the axis of the gear hobbing mandrel 1
It is stepped hole to hole 1d, the path section of the stepped hole is communicated with pull rod sleeve 2, cooperation stairstepping pull rod in the axial hole 1d
4, the major diameter section of the pull rod 4 coordinates with the major diameter section of axial hole 1d, the path section of the pull rod 4 and the path section of axial hole 1d
Cooperation sets stairstepping pull rod 4 that can improve the bearing strength of 4 hypomere of pull rod, while can guarantee that 4 leading portion of pull rod can pass through again
The stepped hole leading portion path section of gear hobbing mandrel 1.The anti-rotation for extending radially through 1 side wall of gear hobbing mandrel is provided on the gear hobbing mandrel 1
Screw 7,7 front end of anti-turn screw are stretched into the major diameter section of axial hole 1d and are connected in the keyway 4b of pull rod 4, set anti-rotation spiral shell
Nail 7 can prevent the screw connection structure of pull rod 4 from loosening, and pull rod 4 can be made to provide pulling force that is lasting and stablizing.The pull rod 4
Front end overhang axial hole 1d and with the threaded hole thread fitting of pull rod sleeve 2,4 rear end of pull rod overhangs axial hole 1d simultaneously
It is connected with the connection screw thread of gear-hobbing machine hydraulic cylinder, threaded connection, which is that one kind is widely used, to be removably fixedly connected, and has knot
Structure is simple, connection is reliable, the advantages that being convenient to mount and dismount.
When carrying out the gear hobbing of unthreaded hole gear using the above program, gear hobbing mandrel 1 is connected with platen by bolt
It connects, after lathe debugging, calibration check and correction part qualification, by product on expansion sleeve 3, starts lathe, hydraulic cylinder pulls pull-up rod set
Cylinder 2, pull-up rod sleeve 2 are mutually slided with gear hobbing mandrel 1, the second swelling conical surface 2b of pull rod sleeve 2 and the first of gear hobbing mandrel 1
Swelling conical surface 1c is close to each other, and the space between the second swelling conical surface 2b and the first swelling conical surface 1c, which becomes smaller, promotes 3 footpath of expansion sleeve
It is expanded to deformation, 3 radial deformation of expansion sleeve forms interference with gear blank and fixes, and completes clamping, you can carries out gear hobbing.Using above-mentioned reality
With new, it is simple and compact for structure, positioning accuracy is high, workpiece loading and unloading is rapid, is conducive to improve production efficiency.
Claims (10)
1. a kind of gear-hobbing clamp of unthreaded hole gear, including a gear hobbing mandrel（1）, expansion sleeve（3）, it is characterised in that：The swelling
Set（3）Inner circle both ends are respectively equipped with the guiding conical surface, the gear hobbing mandrel（1）For multi-diameter shaft, the multi-diameter shaft includes front end successively
The the first ladder section set（1a）, second-order bench（1b）, wherein second-order bench（1b）Diameter be more than the first ladder section
（1a）, the second-order bench（1b）Pass through the first swelling conical surface（1c）To the first ladder section（1a）Transition, the expansion sleeve（3）
It is sleeved on gear hobbing mandrel（1）On, expansion sleeve（3）First be oriented to the conical surface（3a）With the first swelling conical surface（1c）Cooperation, described first
Ladder section（1a）Cooperation is in a pull rod sleeve（2）Axis hole（2a）It is interior, the pull rod sleeve（2）Top set and be used for and gear hobbing
The positioning taper hole of the top cooperation of machine（2c）, the pull rod sleeve（2）Lower end sets the second swelling conical surface（2b）, described second is swollen
The tight conical surface（2b）For with expansion sleeve（3）Second be oriented to the conical surface（3b）Cooperation, the gear hobbing mandrel（1）It is rolled equipped with axially penetrating through
Tooth core axis（1）Axial hole（1d）, the axial hole（1d）It is interior to match somebody with somebody unification pull rod（4）, the pull rod（4）Front end overhangs axial direction
Hole（1d）And with pull rod sleeve（2）Threaded hole thread fitting, the pull rod（4）Rear end overhangs axial hole（1d）And and gear hobbing
The connection of machine hydraulic cylinder is fixed.
2. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The gear hobbing mandrel（1）On also set
There is the 3rd ladder section（1g）, the 3rd ladder section（1g）By positioning shaft shoulder to second-order bench（1b）Transition, described second
Ladder section（1b）On be equipped with space washer（5）, the space washer（5）By positioning shaft shoulder axially position, the locating pad
Circle（5）With gear hobbing mandrel（1）Connection is fixed, the space washer（5）On be supported with positioning disk（6）, the positioning disk（6）For
The axially position supporting of gear blank.
3. the gear-hobbing clamp of unthreaded hole gear according to claim 2, it is characterised in that：The positioning disk（6）It is equipped with spiral shell
Bolt counterbore, the positioning disk（6）Pass through the connection bolt and space washer in bolt hole（5）Connection is fixed.
4. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The gear hobbing mandrel（1）Axial direction
Hole（1d）For stepped hole, path section and the pull rod sleeve of the stepped hole（2）It communicates, the axial hole（1d）Interior cooperation stairstepping
Pull rod（4）, the pull rod（4）Major diameter section and axial hole（1d）Major diameter section cooperation, the pull rod（4）Path section and axial direction
Hole（1d）Path section cooperation.
5. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The pull rod（4）Front end be equipped with
Pull rod sleeve（2）The connection screw thread of connection, the pull rod（4）Rear end is equipped with the connection screw thread being connected with gear-hobbing machine hydraulic cylinder.
6. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The gear hobbing mandrel（1）Upper setting
Extend radially through gear hobbing mandrel（1）The anti-turn screw of side wall（7）, the anti-turn screw（7）Axial hole is stretched into front end（1d）It is big
Footpath section is simultaneously connected to pull rod（4）Keyway（4b）It is interior.
7. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The axis hole（2a）With gear hobbing mandrel
（1）The cavity that front end is formed passes through pull rod sleeve（2）The vent that side wall is set（1e）It is in communication with the outside.
8. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The expansion sleeve（3）Close to pull rod
Sleeve（2）One end excircle be equipped with chamfering（3e）.
9. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The gear hobbing mandrel（1）Rear end
One hold-down support is set, and the horizontal extension of the hold-down support is equipped with installation bolt hole（1f）.
10. the gear-hobbing clamp of unthreaded hole gear according to claim 1, it is characterised in that：The expansion sleeve（3）First lead
To the conical surface（3a）The conical surface is oriented to second（3b）Taper it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504850.0U CN207447520U (en) | 2017-11-13 | 2017-11-13 | The gear-hobbing clamp of unthreaded hole gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504850.0U CN207447520U (en) | 2017-11-13 | 2017-11-13 | The gear-hobbing clamp of unthreaded hole gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207447520U true CN207447520U (en) | 2018-06-05 |
Family
ID=62279225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721504850.0U Expired - Fee Related CN207447520U (en) | 2017-11-13 | 2017-11-13 | The gear-hobbing clamp of unthreaded hole gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207447520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390301A (en) * | 2020-04-21 | 2020-07-10 | 安徽星瑞齿轮传动有限公司 | Taper hole type gear hydraulic clamp |
-
2017
- 2017-11-13 CN CN201721504850.0U patent/CN207447520U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390301A (en) * | 2020-04-21 | 2020-07-10 | 安徽星瑞齿轮传动有限公司 | Taper hole type gear hydraulic clamp |
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| 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: 20180605 Termination date: 20211113 |