CN220329474U - Computer keyboard cleaning device - Google Patents
Computer keyboard cleaning device Download PDFInfo
- Publication number
- CN220329474U CN220329474U CN202321376687.XU CN202321376687U CN220329474U CN 220329474 U CN220329474 U CN 220329474U CN 202321376687 U CN202321376687 U CN 202321376687U CN 220329474 U CN220329474 U CN 220329474U
- Authority
- CN
- China
- Prior art keywords
- rod
- fixing
- fixed
- movably
- fixed cover
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 52
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000007664 blowing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
The utility model provides a computer keyboard cleaning device, comprising: the fixed cover, the inside of fixed cover is provided with supporting component, bracing piece movable mounting is in the inside of fixed cover, tooth pole fixed connection is at the top of bracing piece, altitude mixture control subassembly sets up in the surface of fixed cover, adjust threaded rod movable mounting at the surface of fixed cover, the screw thread piece thread bush is established at the surface of adjusting threaded rod, the one end fixed connection of screw thread piece is in the one end of bracing piece, sliding component sets up inside the fixed cover about, sliding component includes the slide bar about, the slide bar activity inlays to be established at the top of fixed cover, inlay the pole activity and inlay the inside of establishing at the slide bar. The computer keyboard cleaning device provided by the utility model adjusts the height of the cleaning brush by rotating the adjusting threaded rod, so that the computer keyboard cleaning device is suitable for fixed keyboards with different heights, and dust on the surface of the fixed keyboard can be blown into the protective cover in the use process, so that the dust is prevented from being blown to other places.
Description
Technical Field
The utility model relates to the field of computer supplies, in particular to a cleaning device for a computer keyboard.
Background
The keyboard is the most commonly used and main input device, and English letters, chinese characters, numbers, punctuation marks and the like can be input into a computer through the keyboard, so that commands, input data and the like are sent to the computer, and also some keyboards with various shortcut keys are provided.
The prior art publication number is CN216174538U patent application, it drives gear C through motor B and rotates, and gear C drives the brush, clearance surface attached dust, simultaneously, and brush drive gear D rotates, and gear D drives impeller shaft and impeller piece and rotates, drives the pinion through the gear wheel and produces high rotational speed to blow away the dust, but it can not adjust according to the height of keyboard, and in the use, can blow other places with the dust on the keyboard, influences the office environment.
Therefore, it is necessary to provide a cleaning device for a computer keyboard to solve the above technical problems.
Disclosure of Invention
The utility model provides a computer keyboard cleaning device, which solves the problems that the prior art with publication number CN216174538U can not be adjusted according to the height of a keyboard and dust on the keyboard can be blown to other places to influence the office environment in the use process.
In order to solve the technical problems, the utility model provides a cleaning device for a computer keyboard, comprising: the fixing cover is internally provided with a supporting component, the supporting component comprises a supporting rod, and the supporting rod is movably arranged in the fixing cover;
the tooth bar is fixedly connected to the top of the supporting rod;
the height adjusting assembly is arranged on the outer surface of the fixed cover and comprises an adjusting threaded rod which is movably arranged on the outer surface of the fixed cover;
the thread block is sleeved on the outer surface of the adjusting threaded rod in a threaded manner, and one end of the thread block is fixedly connected with one end of the supporting rod;
the left-right sliding component is arranged inside the fixed cover and comprises a sliding rod which is movably embedded at the top of the fixed cover;
the embedded rod is movably embedded in the sliding rod.
Preferably, the bottom of inlaying the pole is provided with coupling assembling, coupling assembling includes the sliding block, sliding block fixed connection is in inlay the bottom of establishing the pole, the sliding block movable sleeve is established the surface of bracing piece, the one end swing joint of sliding block has the dwang.
Preferably, the surface of dwang is provided with the clearance subassembly, the clearance subassembly includes the clearance brush, clearance brush fixed mounting is in the surface of dwang, the surface movable sleeve of clearance brush is equipped with the protection casing.
Preferably, the outer surface of dwang is provided with drive assembly, drive assembly includes the gear wheel, gear wheel fixed mounting is in the surface of dwang, the inside movable mounting of gear wheel has the pinion, the surface fixedly connected with blowing fan of pinion.
Preferably, the top of protection casing is provided with auxiliary assembly, auxiliary assembly includes the auxiliary tank, the auxiliary tank is seted up the top of fixed cover, the inside activity in auxiliary tank is inlayed and is equipped with the auxiliary rod, the bottom fixed connection of auxiliary rod is at the top of protection casing.
Preferably, the bottom of fixed cover is provided with first fixed subassembly, first fixed subassembly includes fixed threaded rod, fixed threaded rod screw thread inlays to be established the both ends that the fixed cover is close to the bottom, fixed threaded rod's one end swing joint has fixed keyboard.
Preferably, the inside of protection casing is provided with album of grey subassembly, album of grey subassembly is including inlaying the box of establishing, inlay the box activity of establishing and inlay the inside of establishing the protection casing, the one end fixed mounting who inlays the box has the connecting rod.
Preferably, one end of the embedded box is provided with a second fixing component, the second fixing component comprises a fixing rod, the fixing rod is movably sleeved on the outer surface of the connecting rod, and one end of the fixing rod is fixedly connected with a fixing spring.
Compared with the related art, the cleaning device for the computer keyboard has the following beneficial effects:
the utility model provides a computer keyboard cleaning device, which adjusts the height of a cleaning brush by rotating an adjusting threaded rod so as to adapt to fixed keyboards with different heights, and can blow dust on the surface of the fixed keyboard into a protective cover in the use process to prevent the dust from blowing to other places, thereby solving the problems that the prior art publication No. CN216174538U cannot be adjusted according to the height of the keyboard, and the dust on the keyboard can be blown to other places in the use process to affect the office environment.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a cleaning device for a computer keyboard according to the present utility model;
FIG. 2 is a schematic side cross-sectional view of the structure shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2;
fig. 4 is a schematic structural diagram of an ash collecting assembly of a computer keyboard cleaning device provided by the utility model.
Reference numerals in the drawings: 1. fixed cover, 2, supporting component, 21, bracing piece, 22, tooth pole, 3, altitude mixture control subassembly, 31, adjusting threaded rod, 32, screw thread piece, 4, side-to-side sliding component, 41, sliding rod, 42, inlay pole, 5, coupling assembling, 51, sliding block, 52, dwang, 6, cleaning component, 61, cleaning brush, 62, protection casing, 7, drive assembly, 71, gear wheel, 72, pinion, 73, blowing fan, 8, auxiliary assembly, 81, auxiliary groove, 82, auxiliary rod, 9, first fixed component, 91, fixed keyboard, 92, fixed threaded rod, 10, dust collection subassembly, 101, inlay box, 102, connecting rod, 11, second fixed component, 111, fixed rod, 112, fixed spring.
Description of the embodiments
The utility model will be further described with reference to the drawings and embodiments.
Examples
Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a cleaning device for a computer keyboard according to the present utility model; FIG. 2 is a schematic side cross-sectional view of the structure shown in FIG. 1; fig. 3 is an enlarged schematic view of a portion a shown in fig. 2. A computer keyboard cleaning device comprising: the fixed cover 1, wherein a supporting component 2 is arranged in the fixed cover 1, the supporting component 2 comprises a supporting rod 21, and the supporting rod 21 is movably arranged in the fixed cover 1;
a tooth bar 22, wherein the tooth bar 22 is fixedly connected to the top of the supporting bar 21;
the height adjusting assembly 3 is arranged on the outer surface of the fixed cover 1, the height adjusting assembly 3 comprises an adjusting threaded rod 31, and the adjusting threaded rod 31 is movably mounted on the outer surface of the fixed cover 1;
the thread block 32 is sleeved on the outer surface of the adjusting threaded rod 31 in a threaded manner, and one end of the thread block 32 is fixedly connected with one end of the supporting rod 21;
a left-right sliding component 4, wherein the left-right sliding component 4 is arranged inside the fixed cover 1, the left-right sliding component 4 comprises a sliding rod 41, and the sliding rod 41 is movably embedded at the top of the fixed cover 1;
the embedded rod 42 is movably embedded in the sliding rod 41.
The bracing piece 21 is connected with the left and right sides both ends of tooth pole 22, and the inside at both ends is seted up to the fixed cover 1 about, the junction at both ends is gone up and is set up at two inslot portions to the movable respectively, altitude mixture control subassembly 3 sets up the surface at the fixed cover 1 left end, and the surface fixed mounting at the fixed cover 1 left end has two, the upper and lower both ends of adjusting threaded rod 31 are respectively movable to inlay and are established in two insidely, screwed block 32 and bracing piece 21 and the junction fixed connection of tooth pole 22 left end, when rotating adjusting threaded rod 31, screwed block 32 drives bracing piece 21 and tooth pole 22 reciprocates and adjusts its height, the slide rail has been seted up at the top of fixed cover 1, the surface fixed mounting that slide bar 41 is close to the top has the piece, this piece activity is inlayed and is established in this slide rail inside, but the inside of sliding bar 41 has been seted up the groove, the top activity of inlaying the pole 42 is established in this inslot portion, can follow the upper and lower removal of bracing piece 21 in this inslot portion slip.
The bottom of inlaying the pole 42 is provided with coupling assembling 5, coupling assembling 5 includes slider 51, slider 51 fixed connection is in inlay the bottom of establishing the pole 42, slider 51 movable sleeve is established the surface of bracing piece 21, the one end swing joint of slider 51 has dwang 52.
Pushing the sliding rod 41 left and right can drive the sliding block 51 to slide left and right on the outer surface of the supporting rod 21 through the embedding rod 42, one end of the rotating rod 52 is movably embedded in the sliding block 51, and the sliding block 51 is not driven to rotate when the rotating rod 52 rotates.
The outer surface of the rotating rod 52 is provided with a cleaning assembly 6, the cleaning assembly 6 comprises a cleaning brush 61, the cleaning brush 61 is fixedly installed on the outer surface of the rotating rod 52, and a protective cover 62 is movably sleeved on the outer surface of the cleaning brush 61.
The cleaning brush 61 is many fibre hair fixed mounting at the surface of cleaning brush 61, and protection casing 62 is arc cover and a hollow piece constitution, and arc cover movable sleeve is established at the surface of cleaning brush 61, and hollow piece fixed mounting is at the front end of arc cover, and the surface of hollow piece has seted up the mouth, and the dust of convenient fixed keyboard 91 surface enters into its inside, and the rear end swing joint of arc cover is at the surface that dwang 52 is close to the rear end, and when dwang 52 rotated, protection casing 62 can not rotate.
The outer surface of the rotating rod 52 is provided with a transmission assembly 7, the transmission assembly 7 comprises a large gear 71, the large gear 71 is fixedly installed on the outer surface of the rotating rod 52, a small gear 72 is movably installed inside the large gear 71, and a blowing fan 73 is fixedly connected to the outer surface of the small gear 72.
The gear wheel 71 is fixedly arranged on the outer surface of the rotating rod 52 close to the rear end, an annular groove is formed in the gear wheel 71, teeth are formed in the surface of the groove, the pinion 72 is movably embedded in the arc-shaped groove, the outer surface is meshed with the groove, the rear end of the gear wheel 71 close to the edge is fixedly connected with a rod, the other end of the rod is interactively connected with the outer surface of the sliding block 51, a block is arranged at the bottom of the sliding block 51, one end of the blowing fan 73 is movably connected in the block, and the functions of supporting and fixing the blowing fan 73 are achieved.
The top of protection casing 62 is provided with auxiliary assembly 8, auxiliary assembly 8 includes auxiliary groove 81, auxiliary groove 81 is seted up the top of fixed cover 1, auxiliary rod 82 is inlayed to the inside activity of auxiliary groove 81, the bottom fixed connection of auxiliary rod 82 is at the top of protection casing 62.
The auxiliary groove 81 is formed in the top of the fixed cover 1, which is close to the front end, the top of the auxiliary rod 82 is movably embedded in the auxiliary groove 81, and can slide up and down and left and right in the auxiliary groove 81, and the top of the auxiliary rod 82 is fixedly connected to the outer surface of the protective cover 62, which is close to the front end, so that the auxiliary rod has the functions of fixing, supporting and limiting the protective cover 62.
The bottom of fixed cover 1 is provided with first fixed subassembly 9, first fixed subassembly 9 includes fixed threaded rod 92, fixed threaded rod 92 screw thread inlays to be established fixed cover 1 is close to the both ends of bottom, fixed threaded rod 92's one end swing joint has fixed keyboard 91.
The number of the fixed threaded rods 92 is two, threaded holes are formed in the left end and the right end of the fixed cover 1, which are close to the bottom, the two fixed threaded rods 92 are respectively embedded in the two holes in a threaded manner, one end of each fixed threaded rod 92 is embedded in the fixed cover 1, the length of each fixed threaded rod 92 in the fixed cover 1 can be adjusted by rotating the fixed threaded rods 92, and one end of each fixed threaded rod 92 can extrude the left side and the right side of the fixed keyboard 91 so as to fix the fixed keyboard 91 in the fixed cover 1.
The working principle of the computer keyboard cleaning device provided by the utility model is as follows:
firstly, a fixed keyboard 91 is placed at the bottom of a fixed cover 1, then two cleaning brushes 61 are rotated to fix two sides of the fixed keyboard 91, then a threaded rod 31 is rotated and adjusted according to the height of the fixed keyboard 91, a screw block 32 Adong supporting component 2 and a cleaning component 6 move up and down to a proper height, then a sliding rod 41 is pulled left and right to drive a sliding block 51 to slide on the surface of a supporting rod 21, a large gear 71 is meshed with a tooth rod 22 and drives the cleaning brushes 61 to rotate, dust on the surface of the fixed keyboard 91 is cleaned, and a large gear 71 is meshed with a small gear 72 to drive a blowing fan 73 to rotate so as to blow dust on the surface of the fixed keyboard 91 into a protective cover 62.
Compared with the related art, the cleaning device for the computer keyboard has the following beneficial effects:
the utility model provides a computer keyboard cleaning device, which adjusts the height of a cleaning brush 61 by rotating an adjusting threaded rod 31 so as to adapt to fixed keyboards 91 with different heights, and can blow dust on the surface of the fixed keyboard 91 into a protective cover 62 in the use process to prevent the dust from being blown to other places, thereby solving the problems that the prior art publication No. CN216174538U cannot be adjusted according to the height of the keyboard, and the dust on the keyboard can be blown to other places in the use process to influence the office environment.
Examples
Referring to fig. 4 in combination, another computer keyboard cleaning device is provided according to a second embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present application provides a computer keyboard cleaning device, which is different in that, in a computer keyboard cleaning device, an ash collecting component 10 is disposed in the protective cover 62, the ash collecting component 10 includes an embedding box 101, the embedding box 101 is movably embedded in the protective cover 62, and a connecting rod 102 is fixedly mounted at one end of the embedding box 101.
The front end of the hollow block in the protective cover 62 is provided with a port through which the embedded box 101 is embedded in the protective cover 62, two blocks are fixedly arranged at the front end of the embedded box 101, and the upper end and the lower end of the connecting rod 102 are fixedly connected to the surfaces of the two blocks.
The embedded box 101 is provided with a second fixing component 11 at one end, the second fixing component 11 comprises a fixing rod 111, the fixing rod 111 is movably sleeved on the outer surface of the connecting rod 102, and a fixing spring 112 is fixedly connected to one end of the fixing rod 111.
Two left and right sides of protection casing 62 front end are installed two, the dovetail groove has all been seted up to the surface of two, the quantity of dead lever 111 is two, all movable sleeve establishes the surface at connecting rod 102, the fixed spring 112 movable sleeve is established at the surface of connecting rod 102, and upper and lower both ends are fixed connection respectively at the surface of two dead levers 111, under natural state, the elasticity of fixed spring 112 promotes two dead levers 111 to overlap respectively and establishes at the upper and lower both ends of connecting rod 102, and two dead levers 111 inlay respectively and establish the position that both ends distance is farthest about two dovetail grooves, dead lever 111 is fixed in this inslot portion, only inwards extrude two dead levers 111 to it can slide in the dovetail groove inside, pull out it can.
The working principle of the computer keyboard cleaning device provided by the utility model is as follows:
when the embedded box 101 needs to be detached, the two fixing rods 111 are pressed inwards, the fixing springs 112 are compressed, and the embedded box 101 is pulled outwards to be detached from the inside of the protective cover 62.
Compared with the related art, the cleaning device for the computer keyboard has the following beneficial effects:
the utility model provides a cleaning device for a computer keyboard, which can remove dust in an embedded box 101 by movably installing the embedded box 101 in the protective cover 62 and squeezing a fixing rod 111 to detach the protective cover 62.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. A computer keyboard cleaning device, comprising: the fixing cover is internally provided with a supporting component, the supporting component comprises a supporting rod, and the supporting rod is movably arranged in the fixing cover;
the tooth bar is fixedly connected to the top of the supporting rod;
the height adjusting assembly is arranged on the outer surface of the fixed cover and comprises an adjusting threaded rod which is movably arranged on the outer surface of the fixed cover;
the thread block is sleeved on the outer surface of the adjusting threaded rod in a threaded manner, and one end of the thread block is fixedly connected with one end of the supporting rod;
the left-right sliding component is arranged inside the fixed cover and comprises a sliding rod which is movably embedded at the top of the fixed cover;
the embedded rod is movably embedded in the sliding rod.
2. The device for cleaning the keyboard of the computer according to claim 1, wherein a connecting component is arranged at the bottom of the embedded rod, the connecting component comprises a sliding block, the sliding block is fixedly connected to the bottom of the embedded rod, the sliding block is movably sleeved on the outer surface of the supporting rod, and one end of the sliding block is movably connected with a rotating rod.
3. The computer keyboard cleaning device according to claim 2, wherein the outer surface of the rotating rod is provided with a cleaning assembly, the cleaning assembly comprises a cleaning brush, the cleaning brush is fixedly installed on the outer surface of the rotating rod, and a protective cover is movably sleeved on the outer surface of the cleaning brush.
4. A computer keyboard cleaning device according to claim 3, wherein the outer surface of the rotating rod is provided with a transmission assembly, the transmission assembly comprises a large gear, the large gear is fixedly installed on the outer surface of the rotating rod, a small gear is movably installed in the large gear, and a blowing fan is fixedly connected to the outer surface of the small gear.
5. The computer keyboard cleaning device according to claim 4, wherein an auxiliary assembly is arranged at the top of the protective cover, the auxiliary assembly comprises an auxiliary groove, the auxiliary groove is formed in the top of the fixed cover, an auxiliary rod is movably embedded in the auxiliary groove, and the bottom of the auxiliary rod is fixedly connected to the top of the protective cover.
6. The device of claim 5, wherein a first fixing component is disposed at the bottom of the fixing cover, the first fixing component comprises a fixing threaded rod, the fixing threaded rod is screwed into two ends of the fixing cover, which are close to the bottom, and one end of the fixing threaded rod is movably connected with the fixing keyboard.
7. A computer keyboard cleaning device according to claim 3, wherein an ash collecting assembly is arranged in the protective cover, the ash collecting assembly comprises an embedded box, the embedded box is movably embedded in the protective cover, and a connecting rod is fixedly arranged at one end of the embedded box.
8. The device for cleaning a computer keyboard according to claim 7, wherein a second fixing component is arranged at one end of the embedded box, the second fixing component comprises a fixing rod, the fixing rod is movably sleeved on the outer surface of the connecting rod, and a fixing spring is fixedly connected to one end of the fixing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376687.XU CN220329474U (en) | 2023-06-01 | 2023-06-01 | Computer keyboard cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376687.XU CN220329474U (en) | 2023-06-01 | 2023-06-01 | Computer keyboard cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220329474U true CN220329474U (en) | 2024-01-12 |
Family
ID=89447067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321376687.XU Active CN220329474U (en) | 2023-06-01 | 2023-06-01 | Computer keyboard cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220329474U (en) |
-
2023
- 2023-06-01 CN CN202321376687.XU patent/CN220329474U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220329474U (en) | Computer keyboard cleaning device | |
| CN113589944A (en) | Computer keyboard equipment of special use | |
| CN213042204U (en) | Desktop computer convenient to it is dustproof | |
| CN205983903U (en) | Teaching assistance device is used in chinese language and literature education | |
| CN108637859A (en) | A kind of component of machine grinding device convenient for adjusting | |
| CN208421696U (en) | A kind of computer display screen dust guard convenient for adjusting | |
| CN109442158B (en) | Shock-proof type computer base that radiating effect is good | |
| CN212370652U (en) | Computer is ash removal device for key dish | |
| CN211726796U (en) | Scrubbing device for environmental design | |
| CN217008167U (en) | Keyboard special for online game | |
| CN220930689U (en) | Computer display screen | |
| CN220983791U (en) | Computer display screen with safeguard function | |
| CN215685313U (en) | Anti-splashing device for processing gold jewelry | |
| CN206711047U (en) | A kind of intelligent massaging mouse | |
| CN218167880U (en) | Industrial automation control equipment | |
| CN209902474U (en) | Three-dimensional laser engraving control device | |
| CN219997522U (en) | Display card protection device | |
| CN207992949U (en) | Computer keyboard with long service life | |
| CN209570907U (en) | A kind of modular computor-keyboard | |
| CN212460868U (en) | Photovoltaic power generation practical training device with self-cleaning function | |
| CN210776381U (en) | X86 mainboard of long-time standby of low-power consumption | |
| CN214897154U (en) | English translation teaching board | |
| CN214248872U (en) | Communication server with anti-drop function | |
| CN210072545U (en) | Combined computer keyboard | |
| CN218311007U (en) | Intelligence house production is with drilling dust collection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |