CN206343885U - A kind of automobile Self-debugging clutch cover and plate assembly final-assembly die - Google Patents
A kind of automobile Self-debugging clutch cover and plate assembly final-assembly die Download PDFInfo
- Publication number
- CN206343885U CN206343885U CN201621207366.7U CN201621207366U CN206343885U CN 206343885 U CN206343885 U CN 206343885U CN 201621207366 U CN201621207366 U CN 201621207366U CN 206343885 U CN206343885 U CN 206343885U
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- China
- Prior art keywords
- plate
- disc spring
- assembly
- clutch cover
- spring
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of automobile Self-debugging clutch cover and plate assembly final-assembly die, including upper bolster, die shoe, upper mounted plate, the upper end of die shoe is provided with the sliding substrate forward extended out, lower skateboard is slidably fitted with the sliding substrate, bottom plate upper end on lower skateboard is disposed with several corresponding product limited blocks around even circumferential, bottom plate upper center is vertically-mounted disc spring centralized positioning post, the upper end of disc spring centralized positioning post is coaxially installed with disc spring centralized positioning plate, the lower end of upper mounted plate is rotatablely equipped with mould rotor plate, on this lower end of mould rotor plate around even circumferential it is vertically-mounted have several fixed plate drifts corresponding with the jaw position on the outside of disc spring and several be inserted downwardly into rotation drift in disc spring shrinkage pool.The utility model compact conformation, it is simple to operate, workbench can be pulled out and carry out taking for part, it is ensured that the Fast Installation of adjustment ring claw and disc spring claw, greatly improve production efficiency.
Description
Technical field
The utility model is related to clutch production mould field, and more particularly to a kind of automobile Self-debugging clutch compressing disc is total
Into final-assembly die.
Background technology
Self-adjustable clutch is a kind of clutch of novel structure, can meet the separating force in clutch entire life cycle
With the stability requirement of binding site.It voluntarily can adjust to compensate the thrust that works caused by friction plate in use
Change, makes its holding invariable, clutch torque capacity is kept stable, is that there is one kind failure to perceive, compensate work(automatically
Rate transmission system, extends the service life of clutch.The efficiency of moment of torsion transmission is ensure that, the pedal force of automobile clutch is reduced,
Improve the characteristics such as the comfort level of driving.
Self-debugging clutch has much a part, such as adjustment ring, disc spring, diaphragm spring, and its structure is from top to bottom
It is successively：Disc spring, diaphragm spring, adjustment ring, coil spring, pressure shell main body (being completed with spacer pin, conveyer belt assembling), need to be by each zero
Part is assembled into pressure shell main body, has following difficulty when assembling now：Adjustment ring claw is consolidated through coil spring with pressure shell claw
Surely certain position is arrived, because coil spring is compressed, adjustment ring can receive coil spring resistance, it is impossible to fixed；Disc spring claw passes through pressure shell
Breach, is rotated further by certain angle, is buckled in pressure shell tongue reverse side, because disc spring is dish-shaped curved surface (carrying spring performance), pawl in itself
When son is pushed, larger resistance can be produced, leads to not rotate.So being badly in need of a kind of final-assembly die carrys out quick assembling platen
Assembly.
The content of the invention
It is always die-filling that technical problem to be solved in the utility model is to provide a kind of automobile Self-debugging clutch cover and plate assembly
Tool, compact conformation is simple to operate, can pull out workbench and carry out taking for part, it is ensured that adjustment ring claw and disc spring pawl
The Fast Installation of son, greatly improves production efficiency.
The utility model solves the technical scheme that its technical problem used：Propose a kind of automobile Self-debugging clutch pressure
Disc assembly final-assembly die, including upper bolster, die shoe, upper mounted plate, the upper end of described die shoe is provided with what is forward extended out
It is slidably fitted with sliding substrate, the sliding substrate on lower skateboard, described lower skateboard and is installed with bottom plate, it is described
It is relative with the position of the Hookean spring on Self-debugging clutch pressure shell that bottom plate upper end is disposed with several around even circumferential
The product limited block answered, described bottom plate upper center is vertically-mounted disc spring centralized positioning post, described disc spring center
The upper end of locating dowel is coaxially installed with disc spring centralized positioning plate, the edge of described disc spring centralized positioning plate be embedded into Self-debugging from
In the corresponding groove in inner side of clutch platen disc spring, the lower end of described upper mounted plate is rotatablely equipped with mould rotor plate, on this
There are several fixed plates corresponding with the jaw position on the outside of disc spring the lower end of mould rotor plate around even circumferential is vertically-mounted
Drift and several be inserted downwardly into rotation drift in disc spring shrinkage pool.
Supplemented as one kind to technical scheme described in the utility model, the front end of described lower skateboard is provided with handle
Handle centering block is rotatably connected on hold-down support, described handle hold-down support, one end of the handle centering block is to lower skateboard direction
Extend and be connected with alignment pin, the alignment pin is passed down through lower skateboard and is inserted into sliding substrate, described handle centering block
The other end, which is provided with the outside of handle, described alignment pin, is socketed with back-moving spring, and bearing is provided with inside described lower skateboard
Seat, is provided with the rolling bearing contacted with the upper surface of sliding substrate in the bearing block, and the upper end of described bearing block is under
Pressing spring inside bottom plate with withstanding.
Further, positioning pressuring plate is installed between the upper surface of described lower skateboard and the one end for centering block of shaking hands, this is determined
Position pressing plate is enclosed on the outside of alignment pin, and described back-moving spring and the lower end of positioning pressuring plate are withstood.
As further supplement, rotation is horizontally installed between the side wall and upper mould rotor plate of described fixed plate drift
Sheet reset spring.
Further, the lower end of described upper bolster is provided with several guide pin bushings, and the upper end of corresponding die shoe is with leading
The corresponding position of set, which is provided with guide pillar, described upper bolster and die shoe, is accordingly separately installed with upper limit post with
Limited post.
Further, it is connected between described upper mounted plate and upper mould rotor plate by the vertical contour sleeve in middle part, institute
The fixing screws being connected with upper bolster are installed with axially upwards in the contour sleeve stated.
Further, the upper end of described bottom plate has been evenly arranged several around the center of circle of pressure shell and has extend into diaphragm
Diaphragm spring locating dowel in spring.
Further, the outer ledge of described bottom plate is vertically-mounted has several to be positioned with the pressure shell that pressure shell matches
Pin.
Further, the both sides of described lower skateboard are arranged symmetrically the lower baffle plate along the edge installation of sliding substrate,
The upper end of described lower baffle plate is provided with lower baffle pressing plate.
Further, the side of described upper mould rotor plate is horizontally installed with throw rod.
Beneficial effect：The utility model is related to a kind of automobile Self-debugging clutch cover and plate assembly final-assembly die, compact conformation,
It is simple to operate, by the design of contour sleeve, rotor plate is kept certain interval with upper mounted plate, solve rotor plate and rotating
The frictional resistance being subject in journey, reduces operator's labor intensity；The design of coil spring is resetted by rotor plate, makes rotor plate in rotation
Afterwards, rotating drift can playback origin every time, it is to avoid weigh each part in pressure shell during work wounded；By upper mounted plate drift,
Drift, the Combination Design of throw rod are rotated, makes disc spring compressed force deformation in a free state, and defined position can be rotated to
Put；By disc spring centralized positioning plate, the Combination Design of disc spring locating dowel, solve disc spring install placement when can not the centre of location and
Rotational travel is spacing, the problem of control disc spring rotates excessive；By the design of lower mould push-pull device at fixed, mould is solved in lathe
The operational issue of each part is installed in one people's inconvenience；Mould is pulled out and installed outside lathe working region, improve operation visual angle and
The security of personnel.
Brief description of the drawings
Fig. 1 is main view semi-cutaway of the present utility model；
Fig. 2 is lower mould push-pull configuration semi-cutaway of the present utility model；
Fig. 3 is sectional perspective structure chart of the present utility model；
Fig. 4 is internal structure stereogram of the present utility model；
Fig. 5 is internal structure stereogram of the present utility model；
Fig. 6 is partial structurtes amplification stereogram of the present utility model.
Diagram：1. upper bolster；2. upper mounted plate；3. rotor plate back-moving spring；4. throw rod；5. rotate drift；6. the upper limit
Position post；7. lower baffle pressing plate；8. lower limit post；9. lower skateboard；10. bearing block；11. rolling bearing；12. lower pressing spring；13. slide
Dynamic substrate；14. disc spring centralized positioning post；16. product limited block；17. bottom plate；18. die shoe；19. lower baffle plate；20. dish
Spring centralized positioning plate；21. fixed plate drift；22nd, upper mould rotor plate；23rd, fixing screws；24th, contour sleeve；25th, pressure shell is positioned
Pin；26th, diaphragm spring locating dowel；27th, guide pin bushing；28th, guide pillar；30th, back-moving spring；31st, positioning pressuring plate；32nd, handle centering block；33、
Handle；34th, alignment pin；35th, handle hold-down support.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
As shown in figures 1 to 6, embodiment of the present utility model is related to a kind of automobile Self-debugging clutch cover and plate assembly general assembly
Mould, including upper bolster 1, die shoe 18, upper mounted plate 2, the upper end of described die shoe 18 is provided with the slip forward extended out
It is slidably fitted with substrate 13, the sliding substrate 13 on lower skateboard 9, described lower skateboard 9 and is installed with bottom plate 17, institute
The upper end of bottom plate 17 stated is disposed with several positions with the Hookean spring on Self-debugging clutch pressure shell around even circumferential
Corresponding product limited block 16 is put, the described upper center of bottom plate 17 is vertically-mounted disc spring centralized positioning post 14, institute
The upper end for the disc spring centralized positioning post 14 stated is coaxially installed with disc spring centralized positioning plate 20, described disc spring centralized positioning plate 20
Edge is embedded into the corresponding groove in inner side of Self-debugging clutch compressing disc disc spring, and the lower end of described upper mounted plate 2 rotates peace
Equipped with upper mould rotor plate 22, on this lower end of mould rotor plate 22 around even circumferential it is vertically-mounted have several with the outside of disc spring
The corresponding fixed plate drift 21 of jaw position and several be inserted downwardly into rotation drift 5 in disc spring shrinkage pool.
As supplement, protruding block, corresponding disc spring centralized positioning plate are disposed with the side wall of disc spring centralized positioning post 14
Spacing breach is disposed with 20 endoporus side wall, described protruding block is embedded into spacing breach, and the width of spacing breach is more than
The width of protruding block, by disc spring centralized positioning plate, the Combination Design of disc spring locating dowel, solving can not when disc spring installation is placed
The centre of location and rotational travel are spacing, the problem of control disc spring rotates excessive.
Other supplement, the lower end of product limited block 16 is connected with float support spring, and it is floating to make product limited block 16
Limited block, solve product coil spring and adjustment ring and the problem of being put into and can not fix every time by several times when placing, convenient production be installed
The installation of product coil spring and adjustment ring is placed.
Hookean spring in adjustment ring is needed to use the instrument of pressing spring when installation, and Hookean spring is compressed,
The operational issue that the inconvenience of product coil spring is installed can be solved with mounting and adjusting ring.
Supplemented as one kind to technical scheme described in the utility model, the front end of described lower skateboard 9 is provided with drawing
Be rotatably connected to handle centering block 32 on hand hold-down support 35, described handle hold-down support 35, one end of the handle centering block 32 to
The direction of lower skateboard 9 extends and is connected with alignment pin 34, and the alignment pin 34 is passed down through lower skateboard 9 and is inserted into sliding substrate 13
Interior, the other end of described handle centering block 32 is provided with handle 33, and the outside of described alignment pin 34 is socketed with back-moving spring 30,
Bearing block 10 is installed inside described lower skateboard 9, is provided with what is contacted with the upper surface of sliding substrate 13 in the bearing block 10
Rolling bearing 11, the upper end of described bearing block 10 is by lower pressing spring 12 with being withstood inside bottom plate 17.
Further, positioning pressuring plate 31 is installed between the upper surface of described lower skateboard 9 and the one end for centering block 32 of shaking hands,
The positioning pressuring plate 31 is enclosed on the outside of alignment pin 34, and the lower end of described back-moving spring 30 and positioning pressuring plate 31 is withstood.
Under free state, bottom plate 17 is pulled open：Push first handle 33 band handle centering blocks 32 rotate, handle centering block 32 around
Handle hold-down support 35 to swing, drive alignment pin 34 to be extracted from lower skateboard 9, then shake hands 33, lower skateboard 9 and bottom plate
17 in the presence of rolling bearing 13, easily skids off lower skateboard 9 and the entirety of bottom plate 17；
Under free state, bottom plate 17 is pushed into：Outside lathe work safety zone, load onto after product parts finish, push away
Dynamic handle 33, lower skateboard 9 and bottom plate 17 are in the presence of rolling bearing 13, easily by lower skateboard 9 and the He of bottom plate 17
Product parts integrally slip into working region, during promotion, and alignment pin 34 is imported and slided under the compression of back-moving spring 30
In the positioning hole of substrate 13, mould accurately enters working region.
As further supplement, it is horizontally installed between the side wall and upper mould rotor plate 22 of described fixed plate drift 21
Rotor plate back-moving spring 3, makes rotor plate after rotation, and rotating drift can playback origin every time, it is to avoid weigh pressure during work wounded
Each part in shell.
Further, the lower end of described upper bolster 1 is provided with several guide pin bushings 27, the upper end of corresponding die shoe 18
The position corresponding with guide pin bushing 27 is provided with guide pillar 28, described upper bolster 1 and die shoe 18 and is accordingly separately installed with
Upper limit post 6 and lower limit post 8, guide pin bushing 27 and guide pillar 28 can open guide effect when matched moulds, and the He of upper limit post 6
Formation progress of the lower limit post 8 to upper bolster 1 is spacing, prevents pressure ring product.
Further, the phase of contour sleeve 24 between described upper mounted plate 2 and upper mould rotor plate 22 by middle part vertically
Even, the fixing screws 23 being connected with upper bolster 1 are installed with axially upwards in described contour sleeve 24, make rotor plate and upper mounted plate
Certain interval is kept, the frictional resistance that rotor plate is subject in rotation process is solved, operator's labor intensity is reduced.
Further, the upper end of described bottom plate 17 has been evenly arranged several around the center of circle of pressure shell and has extend into film
Diaphragm spring locating dowel 26 in flat spring, quickly positions when convenient placement diaphragm spring and pressure shell, improves operating efficiency,
It is also prevented from part position and places mistake.
Further, the outer ledge of described bottom plate 17 is vertically-mounted has several to determine with the pressure shell that pressure shell matches
Position pin 25, quickly can carry out positioning placement to pressure shell.
Further, the both sides of described lower skateboard 9 are arranged symmetrically the lower block along the edge installation of sliding substrate 13
Plate 19, the upper end of described lower baffle plate 19 is provided with lower baffle pressing plate 7, and lower baffle plate 19 can be oriented to the slip of lower skateboard 9
It is spacing, make its can only forward slip, the inner side edge of lower baffle pressing plate 7 is located at the upper end of lower skateboard 9, lower skateboard 9 can be erected
Upward spacing of Nogata, it is ensured that the stability that lower skateboard 9 is slided.
Further, the side of described upper mould rotor plate 22 is horizontally installed with throw rod 4, facilitates operating personnel to upper mould
Rotor plate 22 carries out rotating operation.
As a kind of embodiment of the present utility model, as shown in figure 1, before work, lower die drawing is first gone out into lathe working range,
Load onto each product component.Specially：Pushing handle 33 makes alignment pin 34 extract the upper Positioning holes of lower skateboard 9, in the effect of bearing
Under, bottom plate 17 is easily pulled out into lathe work top, then each product parts are installed to lower mould, pressure shell master successively in order
Body with pressure shell alignment pin 25 be location and installation on bottom plate 17, regulation coil spring be installed to by instrument on pressure shell claw and with
Product limited block 16 is blocked, and then claw by being arranged on pressure shell and to produce by adjustment ring behind the spacing center of pressure shell by coil spring
Product limited block 16 is blocked, and diaphragm spring is put into pressure shell by diaphragm spring locating dowel 26, and disc spring centralized positioning plate 20 presses dish
Spring centralized positioning post 14 is put into pressure shell, and is turned left in place, and disc spring is put into pressure shell by the positioning of disc spring centralized positioning plate 20；
After the completion for the treatment of that product is all placed, handle 33 is promoted, bottom plate 17 is pushed into lathe working region, and with alignment pin 34
Positioning；
In work, the descending above limited post 6 of hydraulic press and lower limit post 8 are mold closing dead point, and fixed plate drift 21 is pressed in dish
On the outer pawl of spring, deform it and be less than the outer pawl of pressure shell, throw rod 4 is pulled clockwise and acts on mould rotor plate 22, drives and rotates
Pawl outside disc spring is transferred to outside pressure shell on pawl drift 5 and above mould rotor plate 22 is rotary spacing, since then, product installation；
After work, throw rod 4 is unclamped, it automatically resets in the presence of rotor plate back-moving spring 3, pushing handle 33 makes to determine
Position pin 34 extracts lower skateboard positioning hole, pulls back bottom plate 17, in the presence of bearing, easily pulls out bottom plate 17
Platen face, takes pressure shell assembly product away.
The mould features compact structure described in the utility model, it is simple to operate, workbench can be pulled out and carry out taking for part
Take, it is ensured that the Fast Installation of adjustment ring claw and disc spring claw, greatly improve production efficiency.
Claims (10)
1. a kind of automobile Self-debugging clutch cover and plate assembly final-assembly die, including upper bolster (1), die shoe (18), upper mounted plate
(2), it is characterised in that the upper end of described die shoe (18) is provided with the sliding substrate (13) forward extended out, the sliding substrate
(13) it is slidably fitted with lower skateboard (9), described lower skateboard (9) and is installed with bottom plate (17), described is lower solid
It is relative with the position of the Hookean spring on Self-debugging clutch pressure shell that fixed board (17) upper end is disposed with several around even circumferential
The product limited block (16) answered, described bottom plate (17) upper center is vertically-mounted disc spring centralized positioning post (14), institute
The upper end for the disc spring centralized positioning post (14) stated is coaxially installed with disc spring centralized positioning plate (20), described disc spring centralized positioning plate
(20) edge is embedded into the corresponding groove in inner side of Self-debugging clutch compressing disc disc spring, under described upper mounted plate (2)
End is rotatablely equipped with mould rotor plate (22), and lower end of mould rotor plate (22) has several around even circumferential is vertically-mounted on this
The fixed plate drift (21) corresponding with the jaw position on the outside of disc spring and several be inserted downwardly into disc spring shrinkage pool turn
Dynamic drift (5).
2. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Under described
The front end of slide plate (9), which is provided with handle hold-down support (35), described handle hold-down support (35), is rotatably connected to handle pendulum
Block (32), one end of the handle centering block (32) extends to lower skateboard (9) direction and is connected with alignment pin (34), the alignment pin (34)
It is passed down through lower skateboard (9) and is inserted into sliding substrate (13), the other end of described handle centering block (32) is provided with handle
(33), it is socketed with the outside of described alignment pin (34) inside back-moving spring (30), described lower skateboard (9) and bearing block is installed
(10) rolling bearing (11) contacted with the upper surface of sliding substrate (13), described bearing, are installed in the bearing block (10)
The upper end of seat (10) is by lower pressing spring (12) with being withstood inside bottom plate (17).
3. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 2, it is characterised in that：Under described
Positioning pressuring plate (31) is installed between the upper surface of slide plate (9) and one end of handle centering block (32), the positioning pressuring plate (31) is enclosed on
Withstand the outside of alignment pin (34), the lower end of described back-moving spring (30) and positioning pressuring plate (31).
4. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Described consolidates
Rotor plate back-moving spring (3) is horizontally installed between the side wall of fixed board drift (21) and upper mould rotor plate (22).
5. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Described is upper
The lower end of die holder (1) is provided with several guide pin bushings (27), and the upper end of corresponding die shoe (18) is corresponding with guide pin bushing (27)
Position is provided with guide pillar (28), described upper bolster (1) and die shoe (18) and is accordingly separately installed with upper limit post (6)
With lower limit post (8).
6. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Described is upper
It is connected between fixed plate (2) and upper mould rotor plate (22) by the vertical contour sleeve (24) in middle part, described contour sleeve
(24) fixing screws (23) being connected with upper bolster (1) are installed with axially upwards in.
7. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Under described
The upper end of fixed plate (17) is evenly arranged several diaphragm spring positioning extending into diaphragm spring around the center of circle of pressure shell
Post (26).
8. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Under described
The vertically-mounted pressure shell alignment pin (25) for thering are several to match with pressure shell of the outer ledge of fixed plate (17).
9. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Under described
The both sides of slide plate (9) are arranged symmetrically the lower baffle plate (19) along the edge installation of sliding substrate (13), described lower baffle plate
(19) upper end is provided with lower baffle pressing plate (7).
10. automobile Self-debugging clutch cover and plate assembly final-assembly die according to claim 1, it is characterised in that：Described
The side of upper mould rotor plate (22) is horizontally installed with throw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621207366.7U CN206343885U (en) | 2016-11-09 | 2016-11-09 | A kind of automobile Self-debugging clutch cover and plate assembly final-assembly die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621207366.7U CN206343885U (en) | 2016-11-09 | 2016-11-09 | A kind of automobile Self-debugging clutch cover and plate assembly final-assembly die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206343885U true CN206343885U (en) | 2017-07-21 |
Family
ID=59317036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621207366.7U Withdrawn - After Issue CN206343885U (en) | 2016-11-09 | 2016-11-09 | A kind of automobile Self-debugging clutch cover and plate assembly final-assembly die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206343885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493559A (en) * | 2016-11-09 | 2017-03-15 | 宁波宏协股份有限公司 | A kind of automobile Self-debugging clutch cover and plate assembly final-assembly die |
| CN108067870A (en) * | 2017-12-25 | 2018-05-25 | 重庆厚朴开物科技有限公司 | A kind of equipment for assembling clutch assembly |
-
2016
- 2016-11-09 CN CN201621207366.7U patent/CN206343885U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493559A (en) * | 2016-11-09 | 2017-03-15 | 宁波宏协股份有限公司 | A kind of automobile Self-debugging clutch cover and plate assembly final-assembly die |
| CN108067870A (en) * | 2017-12-25 | 2018-05-25 | 重庆厚朴开物科技有限公司 | A kind of equipment for assembling clutch assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170721 Effective date of abandoning: 20230623 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170721 Effective date of abandoning: 20230623 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |