CN205647169U - Windscreen wiper motor - Google Patents
Windscreen wiper motor Download PDFInfo
- Publication number
- CN205647169U CN205647169U CN201620207895.0U CN201620207895U CN205647169U CN 205647169 U CN205647169 U CN 205647169U CN 201620207895 U CN201620207895 U CN 201620207895U CN 205647169 U CN205647169 U CN 205647169U
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- transmission shaft
- power transmission
- bearing
- turbine
- deceleration box
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Abstract
The utility model discloses an enough realizations are just reversed, and simple structure's windscreen wiper motor. This windscreen wiper motor is including stator housing, stator magnetic shoe, rotor, first bearing, speed reduction box, turbine, stator magnetic shoe fixed mounting is in stator housing, rotor and stator magnetic shoe normal running fit, the rotor has the transmission shaft, the speed reduction box sets up the one end at stator housing, the turbine is installed at the reducing gear box internally, the transmission shaft is connected with the worm gear drive, transmission shaft one end is the head, and the other end is the afterbody, the transmission shaft middle part that is the transmission shaft between head and the afterbody, first bearing is installed in stator housing, the inner circle that the head and the first bearing of transmission shaft have coordinates, it is internal that the afterbody extends to the reducing gear box, the transmission shaft middle part is provided with the axial positioning device, it is internal at the reducing gear box that the afterbody passes through axial positioning device axial fixity. Adopt this windscreen wiper motor, can simplify the structure, reduce windscreen wiper motor manufacturing cost.
Description
Technical field
This utility model relates to a kind of motor, especially a kind of rain shaving electrical machine.
Background technology
It is known: traditional windscreen wiping system for automobile is divided into three part-structures: tradition rain shaving electrical machine, quadric chain, scraping arm wiper,
Scraping arm wiper is assembled on the output shaft of quadric chain.Its operation principle is that rain shaving electrical machine rotates, and drives double leval jib machine
Structure does reciprocating swing, thus drives scraping arm wiper to swing, it is achieved scrape the effect of rainwater back and forth.
Due to each car glass curve, gutter channel, installation panel beating, scrape scope and moulded etc. different, this
Result in the pivot angle of each windscreen wiper system, installation site, moulded etc. different, it is difficult to realize hardware and software platform.
Existing intelligent windscreen wiper system divides two-part structure: direct-drive type rain shaving electrical machine and scraping arm wiper, scraping arm wiper is directly assembling
On the output shaft of rain shaving electrical machine.Its operation principle is that direct-drive type rain shaving electrical machine leans on the control module of self to realize reciprocating swing,
Scraping arm wiper is driven to scrape rainwater back and forth.
Although existing intelligent windscreen wiper system, it is possible to simplify quadric chain, but prevent owing to tradition rain shaving electrical machine itself lacks
The structure of the radial and axial play of worm screw, rotates if therefore using traditional rain shaving electrical machine to carry out commutation, and worm screw rotates in commutation
During will there is radial and axial play, be just easily caused output shaft and also ensue radial-play, thus cause wiper without
Method stably and reliably swings.Additionally, the long-term work in shell body of described rotor is also easily caused shell body inner accumulated amount of heat,
Worm screw radial-play can cause the abrasion of the parts such as turbine, thus largely effects on the whole service life of rain shaving electrical machine.Therefore pass
System rain shaving electrical machine itself can only do the rotation of one direction (positive direction)；Intelligent windscreen wiper system, can only be by setting on rain shaving electrical machine
Put the reciprocating swing of transmission module control realization；As the Chinese patent of Publication No. CN204538890U discloses a kind of windscreen wiper electricity
Machine, includes a U-shaped shell body and a lid is loaded on the lid on U-shaped shell body opening, and described lid is equipped with worm screw,
Described worm screw is positioned on the inner of shell body and is equiped with rotor, and the inner end of described worm screw is also equiped with cooling fan, described
Between cooling fan and rotor, damping device it is additionally provided with on worm screw, also integrally formed with deceleration box on described lid, described
Deceleration box in corresponding equipped with the first gear, the second gear and output gear, the first gear be provided be coaxial therewith left-handed tiltedly
Gear, the second gear is provided with the dextrorotation helical gear being coaxial therewith, and the outer end of described worm screw is correspondingly provided with one section and left-handed helical teeth
Wheel is meshed the sinistral external thread of linkage and one section of dextrorotation external screw thread linked that is meshed with dextrorotation helical gear.Use said structure,
Wiper can be made more steadily to swing reliably and effectively extend whole service life.
Although the commutation that above-mentioned rain shaving electrical machine is capable of motor rotates, but motor is to rotate in the same direction as all the time, simply
Achieved the change of rotation direction by transmission module, therefore structure is the most more complicated, produces assembly cost higher.
Utility model content
Technical problem to be solved in the utility model is to provide one and is capable of rotating, and the rain shaving electrical machine of simple in construction.
This utility model solves the technical scheme is that rain shaving electrical machine of its technical problem, including stator case, stator magnetic shoe,
Rotor, clutch shaft bearing, deceleration box, turbine；Described stator magnetic shoe is fixedly mounted in stator case, described rotor and stator magnet
Watt it is rotatably assorted；Described rotor has power transmission shaft；Described deceleration box is arranged on one end of stator case, and described turbine is arranged on
In deceleration box, described power transmission shaft is connected with worm gear drive；
Described power transmission shaft one end is head, and the other end is afterbody, is in the middle part of the power transmission shaft of power transmission shaft between described head and afterbody；
Described clutch shaft bearing axle is arranged in stator case, and the inner ring that the head of described power transmission shaft has with clutch shaft bearing coordinates；Described tail
Portion extends in deceleration box；Being provided with axial direction positioning device in the middle part of described power transmission shaft, the afterbody of described power transmission shaft is by the most fixed
Position device is axially fixed in deceleration box.
Further, described axial direction positioning device, including collar, the first back-up ring, axle sleeve, the second back-up ring, the second bearing；
One end that described deceleration box is connected with stator case is provided with the bearing chamber installing the second bearing, and described second bearing is installed
In bearing chamber and the most stuck by collar；Described power transmission shaft sequentially passes through the inner ring of the second bearing, axle sleeve, states first gear
Circle, the second back-up ring are fixed on power transmission shaft, and clamp the second bearing and axle sleeve.
Further, described rain shaving electrical machine, also include that spring, described spring are arranged between the second bearing and axle sleeve, and set
It is contained on power transmission shaft.
Preferably, described spring uses disk spring.
Further, described deceleration box is provided with lateral block；Described lateral block is positioned at the side of the afterbody of power transmission shaft,
And laterally block and turbine are positioned at the offside of power transmission shaft；The afterbody of described power transmission shaft is connected with worm gear drive, described lateral block with
There is between power transmission shaft gap.
Further, described turbine has output shaft, and described output shaft extends deceleration box, and described output shaft extends deceleration
The second collar it is provided with on one end of casing；Described output shaft is fixed on deceleration box by the second collar and axial turbine.
Further, it is provided with oil storage packing ring between described second collar and deceleration box.
The beneficial effects of the utility model are: rain shaving electrical machine described in the utility model, by extending the transmission of stator case
Axle arranges axial direction positioning device on one end so that one end that power transmission shaft coordinates with turbine in extending into deceleration box is axially fixed in
On deceleration box, so that power transmission shaft and deceleration box are an entirety, such that it is able to avoid motor when conversion turns to, whirlpool
Take turns the active force that power transmission shaft is produced and make power transmission shaft play, such that it is able to realize the rotating of self of motor.Can carry simultaneously
The stability of high rain shaving electrical machine work.Next simplifies structure so that rain shaving electrical machine low cost of manufacture, and assembling is simple.Finally,
Rain shaving electrical machine described in the utility model is applied to the direct-drive type windscreen wiper system obtained in windscreen wiper system, only comprise rain shaving electrical machine and
Scraping arm wiper, eliminates volume quadric chain bigger, baroque, and structure is relatively simple, highly versatile so that platform
Change be designed to be relatively easy to realize.
Accompanying drawing explanation
Fig. 1 is the front view of rain shaving electrical machine in this utility model embodiment；
Fig. 2 is the top view of rain shaving electrical machine in this utility model embodiment；
Fig. 3 is the A-A sectional view in Fig. 1；
Fig. 4 is the B-B sectional view in Fig. 2；
Figure indicates: 1-stator case, 2-stator magnetic shoe, 3-rotor, 31-power transmission shaft, 311-head, 312-afterbody, 313-
In the middle part of power transmission shaft, 4-clutch shaft bearing, 5-collar, 6-the first back-up ring, 7-spring, 8-axle sleeve, 9-the second back-up ring, 10-reduction box
Body, 11-the second bearing, the lateral block of 12-, 13-turbine, 14-output shaft, 15-oil storage packing ring, 16-the second collar, 17-
Packing ring.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, rain shaving electrical machine described in the utility model, including stator case 1, stator magnetic shoe 2, rotor 3,
Clutch shaft bearing 4, deceleration box 10, turbine 13；Described stator magnetic shoe 2 is fixedly mounted in stator case 1, described rotor 3
It is rotatably assorted with stator magnetic shoe 2；Described rotor 3 has power transmission shaft 31；Described deceleration box 10 is arranged on stator case 1
One end, described turbine 13 is arranged in deceleration box 10, and described power transmission shaft 31 is in transmission connection with turbine 12；
Described power transmission shaft 31 one end is head 311, and the other end is afterbody 312, for passing between described head 311 and afterbody 312
In the middle part of moving axis 313；Described clutch shaft bearing 4 is arranged on stator case 1, the head 311 of described power transmission shaft 31 and clutch shaft bearing
The inner ring that 4 have coordinates；Described afterbody 312 extends in deceleration box 10；In the middle part of described power transmission shaft, 313 are provided with the most calmly
Position device, the afterbody 312 of described power transmission shaft 31 is axially fixed in deceleration box 10 by axial direction positioning device.
The described rotor 3 stated is rotatably assorted with stator magnetic shoe 2 and refers to that rotor 3 rotates in stator magnetic shoe 2.Described power transmission shaft 31 with
Turbine 12 is in transmission connection and refers to that power transmission shaft 31 and turbine 12 are engaged motion.
As it is shown on figure 3, described clutch shaft bearing 4 is arranged on stator case 1, clutch shaft bearing 4 is by stator case 1
Bearing installation cavity and packing ring 17 are arranged on stator case 1, head 311 and the clutch shaft bearing 4 of the most described power transmission shaft 31
The inner ring having coordinates；So that the head 311 of power transmission shaft 31 is played a supporting role by clutch shaft bearing 4.
Rain shaving electrical machine is during work:
Rain shaving electrical machine rotates forward, and electrical power, stator magnetic shoe 2 drives rotor 3 to rotate forward, and the output power of rotor 3 passes through power transmission shaft
31 are delivered to turbine 13, now engage with turbine 13 worm and gear due to power transmission shaft 31, and therefore turbine 13 can be to power transmission shaft 31
Produce an axial thrust；But owing to described power transmission shaft 31 one end is head 311, the other end is afterbody 312, described head
It is in the middle part of power transmission shaft 313 between portion 311 and afterbody 312；Described head 311 is axially fixed in stator case by clutch shaft bearing 4
On body 1；Described afterbody 312 extends in deceleration box 10；In the middle part of described power transmission shaft, 313 are provided with axial direction positioning device, institute
The afterbody 312 stating power transmission shaft 31 is axially fixed in deceleration box 10 by axial direction positioning device.Power transmission shaft 31 one end is by the
One bearing 4 is axially fixed on stator case 1, and the other end is axially fixed on deceleration box 10 by axial direction positioning device, because of
This makes the afterbody 312 of power transmission shaft 31 be an entirety with deceleration box 10, thus the axial thrust that power transmission shaft 31 is subject to will be by axle
To positioner, the active force of power transmission shaft 31 is offset, thus avoid power transmission shaft 31 and play occurs in the axial direction；Thus realize
The stable rotating forward of rain shaving electrical machine.
Rain shaving electrical machine inverts, and controls motor and makes stator magnetic shoe 2 drive rotor 3 to invert, and the output power of rotor 3 passes through transmission
Axle 31 is delivered to turbine 13, is now connected with turbine 13 worm and gear due to power transmission shaft 31, and therefore turbine 13 can be to power transmission shaft
Produce an axial thrust；But owing to described afterbody 312 extends in deceleration box 10；In the middle part of described power transmission shaft, 313 set
Being equipped with axial direction positioning device, the afterbody 312 of described power transmission shaft 31 is axially fixed in deceleration box 10 by axial direction positioning device,
In like manner, the axial force of power transmission shaft 31 is offset by the axial thrust that power transmission shaft 31 the is subject to device that is axially located, thus avoids
Power transmission shaft 31 occurs play in the axial direction；Thus realize the stable reversion of rain shaving electrical machine.
In sum, rain shaving electrical machine described in the utility model, by setting on power transmission shaft 31 one end extend stator case 1
Put axial direction positioning device so that one end that power transmission shaft 31 coordinates with turbine 13 in extending into deceleration box 10 is axially fixed in and subtracts
On speed casing 10, so that power transmission shaft 31 and deceleration box 10 are an entirety, such that it is able to avoid motor to turn in conversion
Time, turbine 13 makes power transmission shaft 31 play to the active force that power transmission shaft 31 produces, such that it is able to realize the positive and negative of self of motor
Turn, improve the stability of rain shaving electrical machine work.
Next simplifies structure so that rain shaving electrical machine low cost of manufacture, and assembling is simple.
Finally, rain shaving electrical machine described in the utility model is applied to the direct-drive type windscreen wiper system obtained in windscreen wiper system, only comprises
Rain shaving electrical machine and scraping arm wiper, eliminate volume quadric chain bigger, baroque, and structure is relatively simple, highly versatile,
Make hardware and software platform be designed to be relatively easy to realize.
The Main Function of described axial direction positioning device is the axial location realizing power transmission shaft 31 on deceleration box 10.Described axially
Positioner can use various ways, such as axial direction positioning device can use bearing, the inner ring of described bearing and power transmission shaft 31
The outer ring of bearing described in interference fit and deceleration box 10 secure fit.Or use fixed hub at axial direction positioning device, passing
On moving axis 31, the shaft shoulder is set, then by fixed hub radially location.When described axial direction positioning device uses bearing directly to position,
The coaxial bearing degree at power transmission shaft two ends is difficult to regulate, so that assembling difficulty, the most easily occurs stuck.Axial direction positioning device
When using fixed hub, owing to needs arrange the shaft shoulder on power transmission shaft 31, therefore processing difficulties, axial positioning structure is complicated simultaneously,
It is difficult to assembling.
A kind of optimal way of described axial direction positioning device is, as it is shown on figure 3, described axial direction positioning device, including collar 5,
First back-up ring 6, axle sleeve the 8, second back-up ring the 9, second bearing 11；
One end that described deceleration box 10 is connected with stator case 1 is provided with installation the second bearing 11 bearing chamber, described second axle
Hold 11 to be arranged in bearing chamber, and the most stuck by collar 5；Described power transmission shaft 31 sequentially pass through the second bearing 11 inner ring,
Axle sleeve 8, described first back-up ring the 6, second back-up ring 9 is fixed on power transmission shaft 31, and clamps the second bearing 11 and axle sleeve 8.
Described axial direction positioning device use aforesaid way, first power transmission shaft 31 can with the inner ring interference fit of the second bearing 11,
Interference fits or matched in clearance, the outer ring of the second bearing 11 is fixed in the installation counter sink of deceleration box 10 by collar 5,
Make the second bearing 11 axial restraint on deceleration box 10, simultaneously by first back-up ring the 6, second back-up ring on power transmission shaft 31
Second bearing 11 and axle sleeve 8 are fixedly clamped on power transmission shaft 31 by 9.
In order to further be easy to the installation of axle sleeve 8, ensure that the stability of structure simultaneously.Further, described windscreen wiper electricity
Machine also includes that spring 7, described spring 7 are arranged between the second bearing 11 and axle sleeve 8, and are sleeved on power transmission shaft 31.By
In arranging spring 7 between the second bearing 11 and axle sleeve 8, thus housing adjusts axle sleeve 8 and the second axle by the compression of spring 7
Hold the assemblage gap between 11, offset scale error；Therefore, it is possible to make structure more stable, installation can be automatically adjusted simultaneously
Gap between axle sleeve 8 and the second bearing 11 that error is brought；Can at power transmission shaft 31 by larger axis to power time play certain
Cushioning effect.
First it is installed to the second bearing 11 on deceleration box 10 be fixed, then in transmission by collar 5 during assembling
First back-up ring 6 is installed on axle 31, then by power transmission shaft 31 through the inner ring of the second bearing 11, then stretches at power transmission shaft 31
Pocketed springs 7 on one end in deceleration box 10, then it is set with axle sleeve 8, the second back-up ring 9 is finally installed, by axle sleeve 8 and
Two bearings 11 are clamped on power transmission shaft 31.Therefore assembling is simple, it is simple to realize, Stability Analysis of Structures simultaneously.In order to easy for installation,
Concrete described spring 7 uses disk spring.
During being that turbine 13 carries out transmission in order to avoid power transmission shaft 31, by turbine 13 radial forces, so that
There is lateral deformation, warpage in power transmission shaft 31.Further, as in figure 2 it is shown, be provided with lateral gear on described deceleration box 10
Block 12；Described lateral block 12 is positioned at the side of the afterbody 312 of power transmission shaft 31, and lateral block 12 is positioned at biography with turbine 13
The offside of moving axis 31；The afterbody 312 of described power transmission shaft 31 is in transmission connection with turbine 13, described lateral block 12 and power transmission shaft
There is between 31 gap.
It is positioned at the side of the afterbody 312 of power transmission shaft 31 due to described lateral block 12, and lateral block 12 is positioned at turbine 13
The offside of power transmission shaft 31；Therefore, when power transmission shaft 31 is deformed by turbine 13 radial forces, it is in turbine 13 offside
Lateral block 12 contact with power transmission shaft 31, provide a support force for power transmission shaft 31, power transmission shaft 31 natural resiliency reply
Can ensure that under the effect of power after radial force diminishes, return to former state.Therefore on the afterbody 312 of power transmission shaft 31, one is increased
Lateral block 12, for limiting the lateral deformation of power transmission shaft 31, thus avoids the afterbody 312 of power transmission shaft 31 lateral deformation occur,
Motor is made to run more steady.
In order to avoid output shaft 14 upper and lower play when motor drive direction rotates, further, as shown in Figure 4, described turbine 13
Having output shaft 14, described output shaft 14 extends deceleration box 10, and described output shaft 14 extends the one of deceleration box 10
The second collar 16 it is provided with on end；Described output shaft 14 is axially fixed in deceleration box 10 by the second collar 16 and turbine 13
On.
When motor opposite direction rotates, worm gear 13 engages with the turbine and worm of power transmission shaft 31, applies downward effect to worm gear 13
Power, output shaft 14 can upper and lower play.Increase by the second collar 16 the most on the output shaft 14 and limit output shaft about 14 play.
In order to extend the service life of the second collar 16, reduce the abrasion of deceleration box 10, further, such as Fig. 4 institute simultaneously
Show, between described second collar 16 and deceleration box 10, be provided with oil storage packing ring 15.Due to the second collar 16 and deceleration box
10 is all metal, and the second collar 16 will between second collar 16 and deceleration box 10 during rotating together with output shaft 14
Producing bigger frictional force, arrange oil storage packing ring 15 between, oil storage packing ring 15 upper and lower surface has oil storage tank, plays profit
The sliding effect reducing friction.
Claims (7)
1. rain shaving electrical machine, including stator case (1), stator magnetic shoe (2), rotor (3), clutch shaft bearing (4), deceleration box
(10), turbine (13)；Described stator magnetic shoe (2) is fixedly mounted in stator case (1), described rotor (3) and stator
Magnetic shoe (2) is rotatably assorted；Described rotor (3) has power transmission shaft (31)；Described deceleration box (10) is arranged on stator case
(1) one end, described turbine (13) is arranged in deceleration box (10), and described power transmission shaft (31) passes with turbine (12)
It is dynamically connected；
It is characterized in that: described power transmission shaft (31) one end is head (311), the other end is afterbody (312), described head (311)
And it is the middle part (313) of power transmission shaft (31) between afterbody (312)；Described clutch shaft bearing (4) is arranged on stator case (1)
In, the inner ring that the head (311) of described power transmission shaft (31) has with clutch shaft bearing (4) coordinates；Described afterbody (312) prolongs
Reach in deceleration box (10)；In the middle part of described power transmission shaft, (313) are provided with axial direction positioning device, described power transmission shaft (31)
Afterbody (312) is axially fixed in deceleration box (10) by axial direction positioning device.
2. rain shaving electrical machine as claimed in claim 1, it is characterised in that: described axial direction positioning device, including collar (5), the
One back-up ring (6), axle sleeve (8), the second back-up ring (9), the second bearing (11)；
One end that described deceleration box (10) is connected with stator case (1) is provided with the bearing chamber installing the second bearing (11),
Described second bearing (11) is arranged in bearing chamber, and the most stuck by collar (5)；Described power transmission shaft (31) is worn successively
Crossing the inner ring of the second bearing (11), axle sleeve (8), described first back-up ring (6), the second back-up ring (9) are fixed on power transmission shaft (31)
On, and clamp the second bearing (11) and axle sleeve (8).
3. rain shaving electrical machine as claimed in claim 2, it is characterised in that: also including spring (7), described spring (7) is arranged
Between the second bearing (11) and axle sleeve (8), and it is sleeved on power transmission shaft (31).
4. rain shaving electrical machine as claimed in claim 3, it is characterised in that: described spring (7) uses disk spring.
5. rain shaving electrical machine as claimed in claim 1, it is characterised in that: described deceleration box is provided with lateral block on (10)
(12)；Described lateral block (12) is positioned at the side of the afterbody (312) of power transmission shaft (31), and lateral block (12) with
Turbine (13) is positioned at the offside of power transmission shaft (31)；The afterbody (312) of described power transmission shaft (31) is with turbine (13) transmission even
Connect, between described lateral block (12) and power transmission shaft (31), there is gap.
6. rain shaving electrical machine as claimed in claim 1, it is characterised in that: described turbine (13) has output shaft (14), institute
Stating output shaft (14) and extend deceleration box (10), described output shaft (14) extends and sets on one end of deceleration box (10)
It is equipped with the second collar (16)；Described output shaft (14) is axially fixed in reduction box by the second collar (16) and turbine (13)
On body (10).
7. rain shaving electrical machine as claimed in claim 6, it is characterised in that: described second collar (16) and deceleration box (10)
Between be provided with oil storage packing ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207895.0U CN205647169U (en) | 2016-03-17 | 2016-03-17 | Windscreen wiper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207895.0U CN205647169U (en) | 2016-03-17 | 2016-03-17 | Windscreen wiper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205647169U true CN205647169U (en) | 2016-10-12 |
Family
ID=57076230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620207895.0U Withdrawn - After Issue CN205647169U (en) | 2016-03-17 | 2016-03-17 | Windscreen wiper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205647169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634202A (en) * | 2016-03-17 | 2016-06-01 | 成都华川电装有限责任公司 | Wiper motor |
-
2016
- 2016-03-17 CN CN201620207895.0U patent/CN205647169U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634202A (en) * | 2016-03-17 | 2016-06-01 | 成都华川电装有限责任公司 | Wiper motor |
| CN105634202B (en) * | 2016-03-17 | 2018-11-30 | 成都华川电装有限责任公司 | Rain shaving electrical machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20181130 |
|
| AV01 | Patent right actively abandoned |