CN208430896U - A kind of antitheft bluetooth pad lock structure - Google Patents
A kind of antitheft bluetooth pad lock structure Download PDFInfo
- Publication number
- CN208430896U CN208430896U CN201820975662.4U CN201820975662U CN208430896U CN 208430896 U CN208430896 U CN 208430896U CN 201820975662 U CN201820975662 U CN 201820975662U CN 208430896 U CN208430896 U CN 208430896U
- Authority
- CN
- China
- Prior art keywords
- lock
- guide groove
- axis guide
- screw holes
- locking
- 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.)
- Active
Links
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model system provides a kind of antitheft bluetooth pad lock structure, and circuit board, y-axis guide groove, z-axis guide groove and mounting base are equipped in lock housing, and lock housing one side wall is equipped with and changes electric resigning breach；Be additionally provided with the cell channel parallel with y-axis in mounting base, cell channel it is open at one end with change electric resigning breach matching and be aligned；Battery is equipped in cell channel, battery and circuit board electrical connection, the bottom of z-axis guide groove is equipped with the first locking screw holes, the bottom for changing electric resigning breach is equipped with the second locking screw holes, it changes at electric resigning breach and is matched with battery cover, the upper and lower of battery cover is respectively equipped with third locking screw holes and the 4th locking screw holes, and the first locking screw holes and third locking screw holes pass through the second lock screw and lock connection by the locking connection of the first lock screw, the second locking screw holes and the 4th locking screw holes；Lock bridge is equipped in z-axis guide groove.The utility model needs could take out in the case where unlocking, and the personnel of not code key can be effectively prevent to take out battery.
Description
Technical field
The utility model relates to bluetooth locks, specifically disclose a kind of antitheft bluetooth pad lock structure.
Background technique
Bluetooth lock is using a kind of electronic lock of Bluetooth communication transmission code key, and electronic lock is that one kind is controlled by Password Input
Circuit or chip operation processed complete the electronic product of unlocking, locking task to control the closure of mechanical switch.The lock of padlock
Equipped with can obstruct with the metal of the ring-type of snapping or linear type shape on body, i.e. lock bridge, make padlock pass through lock bridge directly with lock body snapping
As enclosed shape lockset.
Bluetooth lock need that power supply is cooperated to use, once power-off once cannot achieve intelligence locking or unlocking function, the one of padlock
Big feature can be used for the various places for having and fastening ring, thus need to be equipped with the electricity that can be powered whenever and wherever possible in bluetooth padlock
Pond, the battery in existing bluetooth padlock is all that can directly split out replacement, and anti-theft performance is poor, once battery is removed, power-off
Bluetooth lock afterwards will lose unlocking and locking function；In addition, there are also the batteries of part bluetooth lock to take out, the energy one of battery
Denier runs out of can not just work again, and the service life of this bluetooth lock is short.
Utility model content
Based on this, it is necessary to be directed to prior art problem, provide a kind of antitheft bluetooth pad lock structure, battery is replaceable, makes
It is long with the service life, and battery need to could take out in the case where unlocking, anti-theft performance is good.
To solve prior art problem, the utility model discloses a kind of antitheft bluetooth pad lock structure, including lock housing, in lock housing
Equipped with circuit board, y-axis guide groove, z-axis guide groove and mounting base, lock housing is equipped with close to the bottom of z-axis guide groove one side wall and changes electricity
Resigning breach；
Rotary electric machine, rotary electric machine and circuit board electrical connection are fixed in mounting base, the output end of rotary electric machine is fixed with
Unlocking cam is additionally provided with the cell channel parallel with y-axis in mounting base, and cell channel is located at the lower section of rotary electric machine, and battery is logical
Road it is open at one end with change the matching of electric resigning breach and be aligned；
Battery, battery and circuit board electrical connection are equipped in cell channel, the bottom of z-axis guide groove is equipped with the first locking screw
Hole, the bottom for changing electric resigning breach is equipped with the second locking screw holes, changes at electric resigning breach and be matched with battery cover, above and below battery cover
Third locking screw holes and the 4th locking screw holes are respectively equipped with, the first locking screw holes and third locking screw holes pass through the first lock screw
Locking connection, the second locking screw holes and the 4th locking screw holes pass through the locking connection of the second lock screw；
Lock tongue is equipped in y-axis guide groove, the bottom of lock tongue is equipped with linkage slot, and linkage slot is matched with unlocking cam, and lock tongue leans on
One end of nearly z axis guide groove is fixed with locking convex block, and lock bridge is equipped in z-axis guide groove, and lock bridge is equipped with locking notch, and locking lacks
Mouth is matched with locking convex block.
Further, it is connected between unlocking cam and rotary electric machine by rotating wheel, rotation of the rotating wheel along rotary electric machine
Direction is divided into first area to the fourth region, and the side of rotating wheel first area is equipped with the first triggering convex block, unlocking cam
Protrusion quartile on the second area of rotating wheel, side of the rotating wheel far from z-axis guide groove is switched equipped with rotation stop, and rotation stop is opened
It closes and circuit board electrical connection, rotation stop switch is matched with the first triggering convex block.
Further, linkage slot is fixed with the second triggering convex block close to the side of z-axis guide groove, and rotating wheel is led close to z-axis
It is equipped with detection switch, detection switch and circuit board electrical connection to the side of slot, detection switch is matched with the second triggering convex block.
Further, battery cover is equipped with USB socket, USB socket and circuit board electrical connection.
Further, the one end of lock tongue far from z-axis guide groove is connect by the first spring with lock housing.
Further, guide post is equipped in the first spring, guide post is fixed in lock housing.
Further, the bottom of lock bridge is connect by second spring with lock housing.
Further, lock bridge is equipped with lifting limiting slot far from the side of locking notch, has crossed lock bridge pin in z-axis guide groove
Nail, lock bridge pin are located in lifting limiting slot.
Further, long copper sheathing is fixed at the top of z-axis guide groove, lock bridge is arranged across long copper sheathing.
Further, waterproof apron is equipped between long copper sheathing and lock housing.
The utility model has the following beneficial effects: the utility model discloses a kind of antitheft bluetooth pad lock structure, it is arranged replaceable
The structure of battery can replace battery as needed, can effectively extend the long service life of bluetooth padlock, so that resource is saved,
Use cost is reduced, and battery needs could take out in the case where unlocking, and the personnel of not code key can be effectively prevent to take out
Battery, anti-theft performance is good, can effectively improve the locking effect of bluetooth padlock.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the fractionation structural representation of the utility model.
Fig. 3 is the schematic diagram of the section structure of the utility model A-A ' along Fig. 1.
Appended drawing reference are as follows: lock housing 10, circuit board 101, y-axis guide groove 11, z-axis guide groove 12, the first locking screw holes 121,
First lock screw 122 changes electric resigning breach 13, the second lock screw 131, the second lock screw 132, mounting base 20, battery
Channel 201, rotary electric machine 21, unlocking cam 22, rotating wheel 23, first trigger convex block 231, rotation stop switch 24, detection switch 25,
Battery 31, battery cover 32, third locking screw holes 321, the 4th locking screw holes 322, USB socket 33, lock tongue 40, linkage slot 41, lock
Tight convex block 42, the first spring 43, guide post 44, second trigger convex block 45, lock bridge 50, locking notch 51, second spring 52, lifting
Limiting slot 53, lock bridge pin 54, the first long copper sheathing 55, waterproof apron 56.
Specific embodiment
For the feature, technological means and specific purposes achieved, function that can further appreciate that the utility model, below
The utility model is described in further detail in conjunction with attached drawing and specific embodiment.
Referring to figs. 1 to Fig. 3.
The utility model embodiment discloses a kind of antitheft bluetooth pad lock structure, including lock housing 10, is equipped with circuit in lock housing 10
Plate 101, y-axis guide groove 11, z-axis guide groove 12 and mounting base 20, xyz are rectangular coordinate system in space, and y-axis guide groove 11 is located at
The top of mounting base 20, y-axis guide groove 11 intersect with z-axis guide groove 12 and are connected, and Bluetooth communication mould is equipped in circuit board 101
Block, lock housing 10 are equipped with close to the bottom of 12 one side wall of z-axis guide groove and change electric resigning breach 13；
Rotary electric machine 21 is fixed in mounting base 20, rotary electric machine 21 is electrically connected with circuit board 101, and rotary electric machine 21 is upward
Output end be fixed with unlocking cam 22, be additionally provided with the cell channel 201 parallel with y-axis in mounting base 20, cell channel 201
In the lower section of rotary electric machine 21, cell channel 201 it is open at one end with change the matching of electric resigning breach 13 and be aligned；
Battery 31 is equipped in cell channel 201, battery 31 is electrically connected with circuit board 101, and the bottom of z-axis guide groove 12 is equipped with
First locking screw holes 121, the bottom for changing electric resigning breach 13 are equipped with the second locking screw holes 131, change at electric resigning breach 13 and match
There is battery cover 32, the upper and lower of battery cover 32 is respectively equipped with third locking screw holes 321 and the 4th locking screw holes 322, the first locking screw
Hole 121 and third locking screw holes 321 pass through the locking connection of the first lock screw 122, the second locking screw holes 131 and the 4th locking screw
Hole 322 passes through the locking connection of the second lock screw 132；
Lock tongue 40 is equipped in y-axis guide groove 11, the bottom of lock tongue 40 is equipped with linkage slot 41, linkage slot 41 and unlocking cam 22
Matching, lock tongue 40 are fixed with locking convex block 42 close to one end of z-axis guide groove 12, are equipped with lock bridge 50, lock bridge in z-axis guide groove 12
50 can be U-shaped lock bridge, can also be that the lock bridge of other shapes, lock bridge 50 are equipped with locking notch 51, locking notch 51 and locking
Convex block 42 matches.
The working process of the utility model is as follows: when unlocking, circuit board 101 starts rotary electric machine 21, and rotary electric machine 21 drives
Unlocking cam 22 makes to lock limitation of the release of convex block 42 to locking notch 51, above mentions lock bridge 50 and realizes unlocking；When locking, pressure lock
Beam 50, circuit board 101 start rotary electric machine 21, and it is that locking convex block 42 buckles into locking notch 51 that rotary electric machine 21, which drives cam 22,
Realize locking；When need to take out battery 31, after being unlocked, takes out lock bridge 50 and be allowed to be detached from z-axis guide groove 12, unclamp z-axis guide groove
The first lock screw 122 in 12, while the second lock screw 132 is unclamped, take out replaceable battery after battery cover 32.
The structure of replaceable battery is arranged in the utility model, can replace battery as needed, can effectively extend bluetooth extension
The long service life of lock reduces use cost, and battery needs could take out in the case where unlocking, energy to save resource
Enough it effectively prevent the personnel of not code key to take out battery, anti-theft performance is good, can effectively improve the locking effect of bluetooth padlock.
In the present embodiment, it is connected between unlocking cam 22 and rotary electric machine 21 by rotating wheel 23, rotating wheel 23 is along turning
The rotation direction of dynamic motor 21 is divided into first area to the fourth region, and the side of 23 first area of rotating wheel is equipped with the first touching
Convex block 231 is sent out, the protrusion quartile of unlocking cam 22, that is, for same place, is unlocked convex on the second area of rotating wheel 23
Wheel 22 and the first triggering convex block 231 successively pass through, and rotating wheel 23 is equipped with rotation stop switch 24 far from the side of z-axis guide groove 12, only
It turns on pass 24 to be electrically connected with circuit board 101, rotation stop switch 24 is matched with the first triggering convex block 231；Lock tongue 40 is far from z-axis guide groove
12 one end is connect by the first spring 43 with lock housing 10, and the slot 41 that links is fixed with the second touching close to the side of z-axis guide groove 12
Convex block 45 is sent out, rotating wheel 23 is equipped with detection switch 25,101 electricity of detection switch 25 and circuit board close to the side of z-axis guide groove 12
Connection, detection switch 25 are matched with the second triggering convex block 45, it is preferable that the maximum radius of unlocking cam 22 is R, unlocking cam 22
Least radius be r, R > r, linkage slot 41 width be D, D=R, the second trigger convex block 45 and detection switch 25 maximum spacing
Less than (D-r).When unlocking, unlocking cam 22 drives lock tongue 40 to unclamp lock bridge 50, and unlocking, unlocking cam can be realized by above mentioning lock bridge 50
22 continue to rotate under the driving of rotary electric machine 21, until the first triggering convex block 231 contacts rotation stop switch 24, rotation stop switch 24
It is stopped operating the work of motor 21 by circuit board 101, unlocking cam 22 is far from 12 side of z axis guide groove and linkage slot 41
There are spacing；When locking, lock bridge 50, the locking insertion locking canal mouth 51 of convex block 42 are depressed, the second triggering 45 detection trigger of convex block is opened
25 are closed, detection switch 25 drives rotary electric machine 21 by circuit board 101, and unlocking cam 22 turns over rotation stop switch 24, locks convex block
42 are fully inserted into locking notch 51, and the first triggering convex block 231 unclamps rotation stop switch 24 immediately, and rotary electric machine 21 is made to stop turning
It is dynamic.
In the present embodiment, battery cover 32 is equipped with USB socket 33, and USB socket 33 is electrically connected with circuit board 101, in electricity
When the electric energy in pond 31 exhausts, extraneous power supply can provide electric energy by USB socket 33 for circuit board 101, it is ensured that bluetooth padlock energy
It is enough smoothly to open, it avoids the occurrence of and needs to destroy the case where bluetooth padlock could be opened appearance, replacing battery after unlocking again can continue
Boat.
In the present embodiment, it is equipped with guide post 44 in the first spring 43, guide post 44 is fixed in lock housing 10, guide post
44, which ensure that spring 43 is stablized along y-axis, stretches, and can effectively improve the stability of the movement of lock tongue 40.
In the present embodiment, the bottom of lock bridge 50 is connect by second spring 52 with lock housing 10, can be realized when unlocking
50 automatic spring of lock bridge is mentioned without manpower drawing, more convenient to use.
In the present embodiment, lock bridge 50 is equipped with far from the side of locking notch 51 and goes up and down limiting slot 53, in z-axis guide groove 12
Lock bridge pin 54 is crossed, i.e. lock bridge pin 54 is set as parallel with x-axis, and lock bridge pin 54 is located in lifting limiting slot 53, lock
Beam pin 54 is inserted into from the side of lock housing 10, is inserted into after lock bridge pin 54 and lock bridge pin 54 is lock onto lock housing 10 by screw
On.In the condition of normal use, it can be avoided locking bar 40 and completely disengage z-axis guide groove 102, can effectively ensure that bluetooth padlock is whole
The stability of body structure, when needing replacing battery, lock bridge pin 54 can laterally be taken out by unclamping screw, so as to directly take out lock
Beam.
In the present embodiment, the top of z-axis guide groove 12 is fixed with long copper sheathing 55, and lock bridge 50 is arranged across long copper sheathing 55,
It can be effectively reduced the friction between lock bridge 50 and lock housing 10, improve the smooth performance that lock bridge 50 is gone up and down, extend integrally-built
Service life.
In the present embodiment, waterproof apron 56 is equipped between long copper sheathing 55 and lock housing 10, waterproof apron 56 can effectively be prevented
Sealing point enters inside lock housing 10, so as to effectively ensure the stability of 10 internal structure of lock housing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of antitheft bluetooth pad lock structure, which is characterized in that including lock housing (10), circuit board is equipped in the lock housing (10)
(101), y-axis guide groove (11), z-axis guide groove (12) and mounting base (20), the lock housing (10) is close to the z-axis guide groove
(12) bottom of one side wall is equipped with and changes electric resigning breach (13)；
It is fixed with rotary electric machine (21) in the mounting base (20), the rotary electric machine (21) is electrically connected with the circuit board (101)
It connects, the output end of the rotary electric machine (21) is fixed with unlocking cam (22), is additionally provided in the mounting base (20) parallel with y-axis
Cell channel (201), the cell channel (201) is located at the lower section of the rotary electric machine (21), the cell channel (201)
It is open at one end with it is described change electric resigning breach (13) matching be aligned；
Battery (31) are equipped in the cell channel (201), the battery (31) is electrically connected with the circuit board (101), the z
The bottom of axis guide groove (12) is equipped with the first locking screw holes (121), and the bottom for changing electric resigning breach (13) is equipped with the second lock
Tight screw hole (131), described change at electric resigning breach (13) are matched with battery cover (32), and the battery cover (32) sets respectively up and down
There are third locking screw holes (321) and the 4th locking screw holes (322), first locking screw holes (121) and the third locking screw
Hole (321) passes through the first lock screw (122) locking connection, second locking screw holes (131) and the 4th locking screw holes
(322) pass through the second lock screw (132) locking connection；
Lock tongue (40) are equipped in the y-axis guide groove (11), the bottom of the lock tongue (40) is equipped with linkage slot (41), the linkage
Slot (41) is matched with the unlocking cam (22), and the lock tongue (40) is fixed with lock close to one end of the z-axis guide groove (12)
Tight convex block (42), the z-axis guide groove (12) is interior to be equipped with lock bridge (50), and the lock bridge (50) is equipped with locking notch (51), described
Locking notch (51) is matched with the locking convex block (42).
2. a kind of antitheft bluetooth pad lock structure according to claim 1, which is characterized in that the unlocking cam (22) and institute
It states and is connected between rotary electric machine (21) by rotating wheel (23), rotation side of the rotating wheel (23) along the rotary electric machine (21)
To first area is divided into the fourth region, the side of rotating wheel (23) first area is equipped with the first triggering convex block
(231), the protrusion quartile of the unlocking cam (22) is on the second area of the rotating wheel (23), the rotating wheel (23)
Side far from the z-axis guide groove (12) is equipped with rotation stop switch (24), the rotation stop switch (24) and the circuit board (101)
Electrical connection, the rotation stop switch (24) match with first triggering convex block (231).
3. a kind of antitheft bluetooth pad lock structure according to claim 2, which is characterized in that the linkage slot (41) is close to institute
The side for stating z-axis guide groove (12) is fixed with the second triggering convex block (45), and the rotating wheel (23) is close to the z-axis guide groove
(12) side is equipped with detection switch (25), and the detection switch (25) is electrically connected with the circuit board (101), and the detection is opened
(25) are closed to match with second triggering convex block (45).
4. a kind of antitheft bluetooth pad lock structure according to claim 1, which is characterized in that the battery cover (32) is equipped with
USB socket (33), the USB socket (33) are electrically connected with the circuit board (101).
5. a kind of antitheft bluetooth pad lock structure according to claim 1, which is characterized in that the lock tongue (40) is far from described
One end of z-axis guide groove (12) is connect by the first spring (43) with the lock housing (10).
6. a kind of antitheft bluetooth pad lock structure according to claim 5, which is characterized in that set in first spring (43)
Have guide post (44), the guide post (44) is fixed in the lock housing (10).
7. a kind of antitheft bluetooth pad lock structure according to claim 1, which is characterized in that the bottom of the lock bridge (50) is logical
Second spring (52) is crossed to connect with the lock housing (10).
8. a kind of antitheft bluetooth pad lock structure according to claim 1, which is characterized in that the lock bridge (50) is far from described
The side for locking notch (51) is equipped with lifting limiting slot (53), has crossed lock bridge pin (54), institute in the z-axis guide groove (12)
Lock bridge pin (54) are stated to be located in the lifting limiting slot (53).
9. a kind of antitheft bluetooth pad lock structure according to claim 1, which is characterized in that the z-axis guide groove (12)
Top is fixed with long copper sheathing (55), and the lock bridge (50) passes through long copper sheathing (55) setting.
10. a kind of antitheft bluetooth pad lock structure according to claim 9, which is characterized in that the long copper sheathing (55) and institute
It states and is equipped with waterproof apron (56) between lock housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820975662.4U CN208430896U (en) | 2018-06-22 | 2018-06-22 | A kind of antitheft bluetooth pad lock structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820975662.4U CN208430896U (en) | 2018-06-22 | 2018-06-22 | A kind of antitheft bluetooth pad lock structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208430896U true CN208430896U (en) | 2019-01-25 |
Family
ID=65100678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820975662.4U Active CN208430896U (en) | 2018-06-22 | 2018-06-22 | A kind of antitheft bluetooth pad lock structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208430896U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838156A (en) * | 2019-03-19 | 2019-06-04 | 宁波生久柜锁有限公司 | Blue-tooth intelligence padlock |
| CN111691768A (en) * | 2020-05-29 | 2020-09-22 | 北京中宸泓昌科技有限公司 | Intelligent padlock and assembling method thereof |
| WO2022032354A1 (en) * | 2020-08-14 | 2022-02-17 | Rmd Innovations Pty. Ltd. | Locking core |
| CN114233108A (en) * | 2021-12-06 | 2022-03-25 | 深圳供电局有限公司 | Method and system for monitoring illegal unlocking intelligent lock behavior and intelligent lock |
-
2018
- 2018-06-22 CN CN201820975662.4U patent/CN208430896U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838156A (en) * | 2019-03-19 | 2019-06-04 | 宁波生久柜锁有限公司 | Blue-tooth intelligence padlock |
| CN111691768A (en) * | 2020-05-29 | 2020-09-22 | 北京中宸泓昌科技有限公司 | Intelligent padlock and assembling method thereof |
| CN111691768B (en) * | 2020-05-29 | 2022-03-29 | 北京中宸泓昌科技有限公司 | Intelligent padlock and assembling method thereof |
| WO2022032354A1 (en) * | 2020-08-14 | 2022-02-17 | Rmd Innovations Pty. Ltd. | Locking core |
| CN114233108A (en) * | 2021-12-06 | 2022-03-25 | 深圳供电局有限公司 | Method and system for monitoring illegal unlocking intelligent lock behavior and intelligent lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208430896U (en) | A kind of antitheft bluetooth pad lock structure | |
| CN109698296A (en) | A kind of battery case locking mechanism | |
| CN109610955A (en) | A kind of fingerprint-based padlock | |
| CN206385932U (en) | A kind of new network finger-print puzzle lock | |
| CN207245399U (en) | Novel intelligent machinery cabinet lock | |
| CN212773867U (en) | Intelligent padlock structure | |
| CN111577029A (en) | Intelligent padlock | |
| CN207934643U (en) | A kind of novel finger print padlock | |
| CN206174691U (en) | Electromagnetic type electronic cabinet lock | |
| CN211923864U (en) | Electric control annular mechanical lock | |
| CN210049686U (en) | Power supply structure of fingerprint handle lock | |
| CN210217387U (en) | Passive intelligent lock and padlock | |
| CN208950469U (en) | A kind of bluetooth connection fingerprint recognition intelligence padlock | |
| CN209761092U (en) | Intelligent sharing bicycle lock | |
| CN204257719U (en) | Lithium battery kit | |
| CN110145178A (en) | Hand pulling type intelligence pin lock | |
| CN210342976U (en) | Electronic intelligent lock | |
| CN100439640C (en) | Electronic remote control anti-theft lock | |
| CN209538874U (en) | A kind of Bluetooth switch blocking device | |
| CN205000769U (en) | Novel tool to lock that machinery and electron combined together | |
| CN213234622U (en) | Novel sharing treasured tool to lock that charges | |
| CN220319328U (en) | Intelligent lock and communication case | |
| CN218092536U (en) | Intelligent key | |
| CN211776595U (en) | Door lock structure | |
| CN216043176U (en) | Intelligent U-shaped lock structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |