CN215109977U - Adjusting bolt convenient to fasten and dismantle - Google Patents
Adjusting bolt convenient to fasten and dismantle Download PDFInfo
- Publication number
- CN215109977U CN215109977U CN202121300670.7U CN202121300670U CN215109977U CN 215109977 U CN215109977 U CN 215109977U CN 202121300670 U CN202121300670 U CN 202121300670U CN 215109977 U CN215109977 U CN 215109977U
- Authority
- CN
- China
- Prior art keywords
- bolt head
- groove
- bolt
- connecting rod
- convenient
- 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
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The application provides an adjusting bolt convenient to fasten and dismantle belongs to bolt technical field. The adjusting bolt convenient to fasten and disassemble comprises a screw rod and a rotating assembly. In the implementation process, the first bolt head, the second bolt head, the third bolt head and the hexagonal groove are arranged, a worker can use the first bolt head, the second bolt head and the tool matched with the hexagonal groove to rotate the screw rod, the worker can use at least four wrench tools to rotate the screw rod, the situation that the traditional bolt can only use a single tool to rotate is avoided, the situation that the screw rod cannot rotate due to the shortage of the wrench tools can be effectively avoided, and therefore the adjusting bolt convenient to fasten and disassemble is used for fastening parts or is convenient to disassemble.
Description
Technical Field
The application relates to the field of bolts, in particular to an adjusting bolt convenient to fasten and detach.
Background
The bolt is a mechanical part, comprises head and screw rod two parts, is one of essential parts in the production of various machinery class, and no matter use the bolt to fasten the part or dismantle the bolt, all accomplish by the rotatory action of bolt, all need rotate the bolt, and the head of bolt is the key of rotatory bolt.
And in traditional technique, need use the instrument with bolt head assorted when rotatory bolt, the spanner that also often says so in people's mouth, and its head of traditional bolt is single, and the size is fixed, therefore usable spanner also is single fixed, often appears in the reality because of the lack of spanner instrument and can't be timely the condition of rotating the bolt for no matter use the bolt to fasten the part or dismantle the bolt, it is all comparatively inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the application provides an adjusting bolt convenient to fastening and dismantlement aims at improving no matter uses the bolt to fasten the part or dismantle the bolt, all comparatively inconvenient problem.
The embodiment of the application provides an adjusting bolt convenient to fasten and dismantle, including screw rod and rotating assembly.
The rotating assembly comprises a connecting rod, a first bolt head, a second bolt head and a third bolt head, one end of the connecting rod is inserted in the screw in a sliding manner, one end of the connecting rod is connected with the inside of the screw in a sliding manner, a hexagonal groove is formed in the other end of the connecting rod, one surface of the first bolt head is fixedly connected with the end surface of one end of the screw, a first sliding groove is formed in the other surface of the first bolt head, a rod body of the connecting rod penetrates through one surface of the first bolt head in a sliding manner, the rod body of the connecting rod penetrates through the first sliding groove in a sliding manner, the second bolt head is sleeved on the rod body of the connecting rod in a sliding manner, the second bolt head is arranged corresponding to the first sliding groove, a second sliding groove is formed in one surface, away from the first bolt head, of the second bolt head, and the third bolt head is fixedly sleeved on one end of the connecting rod, provided with the hexagonal groove, the third bolt head and the second sliding groove are correspondingly arranged.
In the implementation process, when the part needs to be fastened, the screw rod is inserted into the threaded hole on the part, then a worker can drive the screw rod to rotate by using a tool matched with the first bolt head, the second bolt head, the third bolt head and the hexagonal groove, so as to fix the part, then the connecting rod is pushed into the screw rod, so that the second bolt head is inserted into the first chute, and the third bolt head is inserted into the second chute, so as to reduce the space occupation, when the adjusting bolt convenient to fasten and disassemble needs to be disassembled, the connecting rod and the third bolt head can be pulled in the direction far away from the screw rod, so that the second bolt head can be pulled out of the first chute and the third chute, so as to drive the screw rod to reversely rotate by using a tool matched with the first bolt head, the second bolt head, the third bolt head and the hexagonal groove, set up first bolt head, the second bolt head, third bolt head and hexagonal groove, can make the workman use and first bolt head, the second bolt head, the instrument that third bolt head and hexagonal groove match rotates the screw rod, make the workman can use four kinds of wrench tools at least to rotate the screw rod, avoided traditional bolt can only use single instrument to rotate the condition, and then can effectually avoid appearing the condition of rotating the screw rod because of wrench tool's the lack and can't be timely, therefore no matter use this adjusting bolt convenient to fasten and dismantle to fasten the part or dismantle all comparatively convenient to this adjusting bolt convenient to fasten and dismantle.
In a specific embodiment, a third sliding groove is formed in the screw, and one end of the connecting rod is slidably connected to the inside of the third sliding groove.
In a specific implementation scheme, a connecting groove is formed in a groove wall of the third sliding groove, a connecting block is arranged at one end of the connecting rod, and the connecting block is slidably connected to the inside of the connecting groove.
In a specific implementation scheme, the connecting grooves are symmetrically arranged, the connecting blocks are arranged in two numbers, and the two connecting blocks are respectively connected inside the connecting grooves in a sliding mode.
In the implementation process, on the one hand, the connecting rod can slide in the third sliding groove more stably, and on the other hand, the connecting rod can drive the screw to rotate more stably.
In a specific embodiment, a through hole is formed in the rod body of the screw, two through holes are formed in the through hole, the two through holes are respectively located on two sides of the third sliding groove, and the two through holes are communicated with the third sliding groove.
In a specific implementation scheme, an oil filling hole is formed in the connecting rod, one end of the oil filling hole is communicated with the hexagonal groove, and the other end of the oil filling hole is communicated with the third sliding groove.
In the above-mentioned realization process, the oil filler point is used for pouring into lubricating oil to the third spout is inside, can make the connecting rod comparatively lubricated when the inside slip of third spout, and in addition can further convenience be dismantled this adjusting bolt convenient to fasten and dismantle when the inside lubricating oil of third spout flows to the thread groove on screw rod surface from the through-hole in.
In a specific embodiment, a rubber plug is arranged inside the hexagonal groove, and a pull ring is arranged on one side, away from the hexagonal groove, of the rubber plug.
In the above-mentioned realization process, the rubber buffer is used for blockking up hexagonal groove and oil filler point, can prevent that the foreign matter from getting into the inside of hexagonal groove and oil filler point, and the pull ring is convenient on the one hand to pull out the third spout with the connecting rod, and on the other hand is convenient to pull out hexagonal groove with the rubber buffer.
In a specific embodiment, a through groove is formed inside the second bolt head, the through groove is communicated with the second sliding groove, and the through groove is slidably sleeved on the rod body of the connecting rod.
In a specific implementation scheme, the body of rod of connecting rod sets up the spacing groove, the spacing groove has seted up twice, twice the spacing groove symmetry sets up, the cell wall that leads to the groove is provided with the stopper, the stopper is provided with two, two stopper difference sliding connection in twice the inside in spacing groove.
In a particular embodiment, the first, second and third bolt heads are hexagonal bolt heads.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of an overall structure of an adjusting bolt provided by an embodiment of the present application to facilitate fastening and detaching;
FIG. 2 is a schematic cross-sectional view of an adjusting bolt for easy fastening and detachment according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a rotating assembly according to an embodiment of the present disclosure;
fig. 4 is a partial structural schematic diagram of a screw and a connecting rod provided in an embodiment of the present application.
In the figure: 100-screw rod; 110-a third runner; 111-a connecting trough; 120-a via hole; 200-a rotating assembly; 210-a connecting rod; 211-hexagonal grooves; 212-connecting block; 213-oil hole; 214-a limiting groove; 220-first bolt head; 221-a first chute; 230-a second bolt head; 231-a second chute; 233-a limiting block; 240-third bolt head; 250-rubber plug; 251-a pull ring.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the present application provides an adjusting bolt for easy fastening and detachment, which includes a screw 100 and a rotating assembly 200.
Referring to fig. 1, a third sliding groove 110 is formed inside a screw 100, two through holes 120 are formed in a rod body of the screw 100, the two through holes 120 are respectively located at two sides of the third sliding groove 110, and the two through holes 120 are both communicated with the third sliding groove 110.
Referring to fig. 1, the rotating assembly 200 includes a connecting rod 210, a first bolt head 220, a second bolt head 230, and a third bolt head 240, one end of the connecting rod 210 is inserted into the screw 100 in a sliding manner, one end of the connecting rod 210 is connected to the inside of the third sliding groove 110 in a sliding manner, a connecting groove 111 is formed in a groove wall of the third sliding groove 110, one end of the connecting rod 210 is provided with a connecting block 212, the connecting block 212 is connected to the inside of the connecting groove 111 in a sliding manner, the connecting groove 111 is provided with two connecting grooves 111 symmetrically, the two connecting blocks 212 are connected to the inside of the two connecting grooves 111 in a sliding manner, on one hand, the connecting rod 210 can slide in the third sliding groove 110 more stably, and on the other hand, the connecting rod 210 can drive the screw 100 to rotate more stably.
In this embodiment, a hexagonal groove 211 is formed in the other end of the connecting rod 210, a rubber plug 250 is disposed in the hexagonal groove 211, the rubber plug 250 is plugged in the hexagonal groove 211, the rubber plug 250 is used for plugging the hexagonal groove 211 to prevent foreign matters from entering the hexagonal groove 211, a pull ring 251 is disposed on a side of the rubber plug 250 away from the hexagonal groove 211, the pull ring 251 facilitates the connection rod 210 to be pulled out of the third sliding slot 110 and facilitates the rubber plug 250 to be pulled out of the hexagonal groove 211, an oil filling hole 213 is formed in the connecting rod 210, one end of the oil filling hole 213 is communicated with the hexagonal groove 211, the other end of the oil filling hole 213 is communicated with the third sliding slot 110, the oil filling hole 213 is used for filling lubricating oil into the third sliding slot 110, so that the connection rod 210 is lubricated when sliding in the third sliding slot 110, and the adjusting bolt convenient to fasten and dismount is further facilitated when the lubricating oil flows into the threaded groove on the surface of the screw 100 from the through hole 120 in the third sliding slot 110, the rubber stopper 250 serves to block the hexagonal groove 211 and the oil hole 213, and prevent foreign materials from entering the inside of the hexagonal groove 211 and the oil hole 213.
In this embodiment, one side of the first bolt head 220 is fixedly connected to the end surface of one end of the screw 100, the first sliding groove 221 is formed in the other side of the first bolt head 220, the rod body of the connecting rod 210 slides through the one side of the first bolt head 220, the rod body of the connecting rod 210 slides through the inside of the first sliding groove 221, the second bolt head 230 slides and is sleeved on the rod body of the connecting rod 210, the through groove is formed in the inside of the second bolt head 230, the through groove slides and is sleeved on the rod body of the connecting rod 210, the limiting groove 214 is formed in the rod body of the connecting rod 210, two limiting grooves 214 are formed in the limiting groove 214, the two limiting grooves 214 are symmetrically arranged, the groove walls of the through groove are provided with two limiting blocks 233, and the two limiting blocks 233 are respectively slidably connected to the inside of the two limiting grooves 214.
In the present application, the second bolt head 230 is disposed corresponding to the first sliding groove 221, the second bolt head 230 has the same size as the first sliding groove 221, the second bolt head 230 can be completely inserted into the first sliding groove 221, a second sliding groove 231 is disposed on a side of the second bolt head 230 away from the first bolt head 220, the through groove is communicated with the second sliding groove 231, the third bolt head 240 is fixedly sleeved on one end of the connecting rod 210 having the hexagonal groove 211, the third bolt head 240 is disposed corresponding to the second sliding groove 231, the third bolt head 240 has the same size as the second sliding groove 231, the third bolt head 240 can be completely inserted into the second sliding groove 231, and the first bolt head 220, the second bolt head 230, and the third bolt head 240 are all hexagonal bolt heads.
It should be noted that when the rubber stopper 250 is pulled in a direction away from the inside of the hexagonal groove 211, the rubber stopper 250 drives the connecting rod 210 to move in a direction away from the third sliding groove 110.
This adjusting bolt convenient to fasten and dismantle's theory of operation: when the part needs to be fastened, the screw 100 is inserted into the threaded hole of the part, then a worker can drive the screw 100 to rotate by using a tool matched with the first bolt head 220, the second bolt head 230, the third bolt head 240 and the hexagonal groove 211, so as to fix the part, then the connecting rod 210 is pushed into the third chute 110, the second bolt head 230 is inserted into the first chute 221, and the third bolt head 240 is inserted into the second chute 231, so as to reduce the occupied space, when the adjusting bolt convenient to fasten and disassemble needs to be disassembled, the third bolt head 240 can be pulled in a direction far away from the third chute 110, so that the second bolt head 230 can be pulled out of the first chute 221, and the third bolt head 240 can be pulled out of the second chute 231, so that the screw 100 can be driven to rotate reversely by using a tool matched with the first bolt head 220, the second bolt head 230, the third bolt head 240 and the hexagonal groove 211, set up first bolt head 220, second bolt head 230, third bolt head 240 and hexagonal groove 211, can make the workman use with first bolt head 220, second bolt head 230, third bolt head 240 and hexagonal groove 211 assorted instrument rotate screw rod 100, make the workman can use four kinds of wrench tools at least to rotate screw rod 100, avoided traditional bolt can only use single instrument to rotate the condition, and then can effectually avoid appearing the condition of can't be timely rotating screw rod 100 because of wrench tool's the shortcoming, therefore no matter use this adjusting bolt convenient to fasten and dismantle to the part or dismantle all comparatively convenient to this adjusting bolt convenient to fasten and dismantle.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An adjusting bolt convenient for fastening and dismounting is characterized by comprising
A screw (100);
a rotating assembly (200), the rotating assembly (200) includes a connecting rod (210), a first bolt head (220), a second bolt head (230) and a third bolt head (240), one end of the connecting rod (210) is inserted into the screw (100) in a sliding manner, one end of the connecting rod (210) is connected with the screw (100) in a sliding manner, a hexagonal groove (211) is formed in the other end of the connecting rod (210), one surface of the first bolt head (220) is fixedly connected with an end surface of one end of the screw (100), a first sliding groove (221) is formed in the other surface of the first bolt head (220), a rod body of the connecting rod (210) penetrates through one surface of the first bolt head (220) in a sliding manner, the rod body of the connecting rod (210) penetrates through the first sliding groove (221) in a sliding manner, and the second bolt head (230) is sleeved on the rod body of the connecting rod (210) in a sliding manner, the second bolt head (230) is arranged corresponding to the first sliding groove (221), a second sliding groove (231) is formed in one surface, away from the first bolt head (220), of the second bolt head (230), the third bolt head (240) is fixedly sleeved at one end, provided with the hexagonal groove (211), of the connecting rod (210), and the third bolt head (240) is arranged corresponding to the second sliding groove (231).
2. The adjusting bolt convenient for fastening and disassembling as claimed in claim 1, wherein a third sliding slot (110) is opened inside the threaded rod (100), and one end of the connecting rod (210) is slidably connected inside the third sliding slot (110).
3. The adjusting bolt convenient for fastening and disassembling as claimed in claim 2, wherein a groove wall of the third sliding groove (110) is opened with a connecting groove (111), one end of the connecting rod (210) is provided with a connecting block (212), and the connecting block (212) is slidably connected to the inside of the connecting groove (111).
4. The adjusting bolt convenient to fasten and disassemble as claimed in claim 3, wherein said connecting slot (111) is opened with two channels, said two channels (111) are symmetrically arranged, said connecting block (212) is arranged with two blocks, said two blocks (212) are slidably connected to the inside of said two channels (111) respectively.
5. The adjusting bolt convenient to fasten and dismount as claimed in claim 2, wherein the body of the screw (100) is provided with two through holes (120), the two through holes (120) are respectively located at two sides of the third sliding groove (110), and both the two through holes (120) are communicated with the third sliding groove (110).
6. The adjusting bolt convenient to fasten and disassemble as claimed in claim 5, wherein an oil hole (213) is opened inside the connecting rod (210), one end of the oil hole (213) is communicated with the hexagonal groove (211), and the other end of the oil hole (213) is communicated with the third sliding groove (110).
7. An adjusting bolt convenient for fastening and dismounting as claimed in claim 1, characterized in that the inside of the hexagonal groove (211) is provided with a rubber plug (250), and the side of the rubber plug (250) far away from the hexagonal groove (211) is provided with a pull ring (251).
8. The adjusting bolt convenient for fastening and disassembling according to claim 1, characterized in that the second bolt head (230) has a through groove formed therein, the through groove is communicated with the second sliding groove (231), and the through groove is slidably sleeved on the rod body of the connecting rod (210).
9. The adjusting bolt convenient to fasten and dismount as claimed in claim 8, wherein the body of the connecting rod (210) is provided with two limiting grooves (214), the two limiting grooves (214) are symmetrically arranged, the wall of the through groove is provided with two limiting blocks (233), the two limiting blocks (233) are arranged, and the two limiting blocks (233) are respectively slidably connected inside the two limiting grooves (214).
10. An adjusting bolt for facilitating fastening and removal according to claim 1, characterised in that the first bolt head (220), the second bolt head (230) and the third bolt head (240) are all hexagonal bolt heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300670.7U CN215109977U (en) | 2021-06-10 | 2021-06-10 | Adjusting bolt convenient to fasten and dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300670.7U CN215109977U (en) | 2021-06-10 | 2021-06-10 | Adjusting bolt convenient to fasten and dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215109977U true CN215109977U (en) | 2021-12-10 |
Family
ID=79305038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121300670.7U Active CN215109977U (en) | 2021-06-10 | 2021-06-10 | Adjusting bolt convenient to fasten and dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215109977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163636A (en) * | 2022-08-02 | 2022-10-11 | 浙江中辰城市应急服务管理有限公司 | Screw thread fastening device free of tool installation |
-
2021
- 2021-06-10 CN CN202121300670.7U patent/CN215109977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163636A (en) * | 2022-08-02 | 2022-10-11 | 浙江中辰城市应急服务管理有限公司 | Screw thread fastening device free of tool installation |
| CN115163636B (en) * | 2022-08-02 | 2023-07-25 | 浙江中辰城市应急服务管理有限公司 | Screw thread fastener of instrument installation exempts from |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215109977U (en) | Adjusting bolt convenient to fasten and dismantle | |
| CN212734339U (en) | Clamp for drilling coupler | |
| CN205552415U (en) | Epaxial part dismounting device | |
| CN2753522Y (en) | Pulling hammer for dismounting pin shaft | |
| CN201471400U (en) | Quick-acting multi-functional combination wrench | |
| CN214135839U (en) | Bearing dismounting device | |
| CN201778832U (en) | Detachable anchor cable lock | |
| CN214136918U (en) | Novel rubber sealing element mould pressing die | |
| CN217858854U (en) | Novel drilling machine | |
| CN207900936U (en) | A kind of wolfram steel punch polishing rotary-grinding head | |
| CN213595992U (en) | Novel ASIC anaerobic reactor | |
| CN213758326U (en) | A percussion inspection device for department of neurology is clinical | |
| CN206200828U (en) | Quick-action spanner | |
| CN217127461U (en) | Special tool for installing tapping machine connecting sleeve | |
| CN219035221U (en) | Stainless steel fastener difficult to loosen | |
| CN220037211U (en) | Clamping cable fastening hexagonal nut | |
| CN218748622U (en) | Ceramic pencil sharpener safe in use | |
| CN213562233U (en) | Lock nut dismounting device | |
| CN211820635U (en) | Slewing bearing for mining equipment | |
| CN212578532U (en) | Universal hardware screwdriver with multiple specifications | |
| CN211541016U (en) | Conical nut dismounting tool | |
| CN218180345U (en) | Soil sampling device | |
| CN215830928U (en) | Screw with anti-disassembly structure | |
| CN217712422U (en) | PDC coring bit that mineral exploration was used | |
| CN2453114Y (en) | Double pad fork type apparatus for dismounting drilling rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |