CN216044941U - Adjustable gasket for fitter - Google Patents
Adjustable gasket for fitter Download PDFInfo
- Publication number
- CN216044941U CN216044941U CN202122463919.2U CN202122463919U CN216044941U CN 216044941 U CN216044941 U CN 216044941U CN 202122463919 U CN202122463919 U CN 202122463919U CN 216044941 U CN216044941 U CN 216044941U
- Authority
- CN
- China
- Prior art keywords
- block
- groove
- wall
- rod
- threaded
- 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
- Special Chairs (AREA)
Abstract
The utility model provides an adjustable gasket for a bench worker. The adjustable gasket for fitters includes: the two first hinge plates are hinged with each other, and both the two first hinge plates are provided with an adjusting mechanism and a fixing mechanism; the adjustable gasket for the bench workers comprises an adjusting block, a second hinge rod, a third hinge rod, a rectangular block, a first groove, a telescopic block, a second groove and a connecting block, wherein the adjusting block is fixedly arranged on one side of the first hinge plate, the second hinge rod is fixedly arranged on the outer wall of one side of the adjusting block, the third hinge rod is hinged on the second hinge rod, and the rectangular block is fixedly arranged on one side of the third hinge rod.
Description
Technical Field
The utility model belongs to the technical field of operation tools, and particularly relates to an adjustable gasket for a bench worker.
Background
Along with the continuous development of times, the foundation construction of China is more and more perfect, the building construction is more and more complicated, when the bench worker process works, the design drawing has more or less deviation from the actual size, the error of each process during installation is inevitable, and the problems exist that the size of a single raw material is deviated, and the deviation value is in the range; workers experience different conditions, and the sizes of the workers are more or less deviated during artificial installation; the tool tools are different in use mode, and the installation sizes are deviated; the phenomena of serious deviation and deformation caused by small deviation of the size and the like when subways, high-speed railways and motor cars run for a long time.
Among the prior art, at the in-process of mounting material, because there is the size deviation between the material, can form the gap during the installation, need use the gasket to support, the size of gasket can't be adjusted according to the size in gap to current gasket, leads to the gap can't fill up, can take place deformation after long-time the use.
Therefore, there is a need to provide a new adjustable spacer for fitters to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable gasket for a bench worker, which can actively fold and stretch the gasket according to the size of a gap and can fix the adjusted gasket.
In order to solve the technical problem, the adjustable gasket for the bench workers provided by the utility model comprises two first hinged plates, wherein the two first hinged plates are hinged with each other, and an adjusting mechanism and a fixing mechanism are arranged on each of the two first hinged plates; the adjusting mechanism comprises an adjusting block, a hinge rod II, a hinge rod III, a rectangular block, a groove I, a telescopic block, a groove II and a connecting block, the adjusting block is fixedly arranged on one side of the hinge plate I, the hinge rod II is fixedly arranged on the outer wall of one side of the adjusting block, the hinge rod III is hinged and arranged on the hinge rod II, the rectangular block is fixedly arranged on one side of the hinge rod III, the groove I is arranged on the outer wall of one side of the rectangular block, the telescopic block is arranged on one side of the rectangular block, the groove II is arranged on the outer wall of one side of the telescopic block, the connecting block is fixedly arranged on the inner wall of one side of the groove II, and one side of the connecting block extends into the groove I and is in sliding connection with the groove I;
the fixing mechanism comprises a first rectangular opening, a threaded rod, a moving block, a first threaded ring block, two first rotating rods, a second rectangular opening, a second threaded ring block and two second rotating rods, the first rectangular opening is arranged on the adjusting block, the threaded rod is installed in the first rectangular opening in a rotating mode, threads of the moving block are installed on the threaded rod, the first threaded ring block is arranged in the first rectangular opening, the two first rotating rods are fixedly installed on the first threaded ring block in a corresponding mode, one end of the first rotating rod is connected with one side outer wall of the moving block in a rotating mode, the second rectangular opening is arranged on the adjusting block in a rotating mode, the second threaded ring block is arranged in the second rectangular opening in a two fixed mode, the two rotating rods are fixedly installed on the second threaded ring block, and one end of the second rotating rod is connected with one side inner wall of the second rectangular opening in a rotating mode.
As a further scheme of the utility model, an installation groove is formed in the bottom of the connecting block, a clamping toothed plate is fixedly installed on the inner wall of the top of the installation groove, an auxiliary box is fixedly installed on the inner wall of the bottom of the first groove, an expansion link is fixedly installed on the inner wall of the bottom of the auxiliary box, a baffle is fixedly installed at the bottom end of the expansion link, a spring is slidably sleeved on the expansion link, the bottom end of the spring is fixedly connected with the inner wall of the bottom of the auxiliary box, the top end of the spring is fixedly connected with the bottom of the baffle, a clamping tongue is fixedly installed at the top of the baffle, the top end of the clamping tongue extends into the installation groove, the clamping tongue is slidably connected with the auxiliary box, and the clamping tongue is matched with the clamping toothed plate.
As a further scheme of the utility model, a working cavity is formed in the adjusting block, one end of the threaded rod extends into the working cavity, a first conical gear is fixedly mounted at one end of the threaded rod, a third rotating rod is rotatably mounted on the inner wall of the top of the working cavity, the top end of the third rotating rod extends out of the adjusting block and is rotatably connected with the adjusting block, a rotating handle is fixedly mounted at the top end of the third rotating rod, a second conical gear is fixedly mounted at the bottom end of the third rotating rod, and the second conical gear is meshed with the first conical gear.
As a further scheme of the utility model, a sliding rod is fixedly installed in the first rectangular opening, a sliding block is installed on the sliding rod in a sliding manner, and the outer wall of one side of the sliding block is rotatably connected with one end of the corresponding first rotating rod.
As a further scheme of the utility model, a sliding groove is formed in the first groove, a limiting rod is fixedly mounted on the connecting block, and one end of the limiting rod extends into the corresponding sliding groove and is in sliding connection with the sliding groove.
As a further scheme of the utility model, the same bolt i is installed on the two threaded ring blocks ii in a threaded manner, the nut i is installed on the bolt i in a threaded manner, the rectangular block is provided with a threaded hole, the same bolt ii is installed on the two threaded holes in a threaded manner, the bolt ii penetrates through the threaded ring blocks and is connected with the threaded ring blocks i in a threaded manner, and the nut ii is installed on the bolt ii in a threaded manner.
Compared with the related art, the adjustable gasket for the bench worker provided by the utility model has the following beneficial effects:
1. according to the utility model, the adjusting mechanism is arranged, so that the gasket can be actively adjusted according to the size of the filled gap, and the adjusting mechanism has the effect of being suitable for gaps with different sizes;
2. the adjustable gasket is firmly fixed by the fixing mechanism, and the adjustable gasket can be fixed without deformation and can be kept at the adjusted size all the time.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front sectional view of an adjustable spacer for fitters according to the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an assembly drawing of an adjusting block, a second groove, a connecting block, a first rectangular opening, a threaded rod, a moving block, a threaded ring block, a first rotating rod, a second rectangular opening, a second threaded ring block, a second rotating rod, a working cavity, a first conical gear, a second conical gear, a third rotating rod, a sliding block, a first bolt and a second bolt.
In the figure: 1. a first hinged plate; 2. an adjusting block; 3. a second hinge rod; 4. a third hinge rod; 5. a rectangular block; 6. a first groove; 7. a telescopic block; 8. a second groove; 9. connecting blocks; 10. a first rectangular through opening; 11. a threaded rod; 12. a moving block; 13. a first threaded ring block; 14. rotating the first rod; 15. a second rectangular through opening; 16. a second threaded ring block; 17. rotating the second rod; 18. mounting grooves; 19. a toothed plate; 20. an auxiliary box; 21. a spring; 22. a latch; 23. a working chamber; 24. a first conical gear; 25. rotating the rod III; 26. a slider; 27. a limiting rod; 28. a first bolt; 29. a second bolt; 30. and a second nut.
Detailed Description
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic front sectional view illustrating an adjustable spacer for a fitter according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; FIG. 3 is an assembly drawing of an adjusting block, a second groove, a connecting block, a first rectangular opening, a threaded rod, a moving block, a threaded ring block, a first rotating rod, a second rectangular opening, a second threaded ring block, a second rotating rod, a working cavity, a first conical gear, a second conical gear, a third rotating rod, a sliding block, a first bolt and a second bolt. The adjustable gasket for the bench worker comprises two hinge plates I1, the two hinge plates I1 are hinged with each other, and an adjusting mechanism and a fixing mechanism are arranged on each of the two hinge plates I1; the adjusting mechanism comprises an adjusting block 2, a hinge rod II 3, a hinge rod III 4, a rectangular block 5, a groove I6, a telescopic block 7, a groove II 8 and a connecting block 9, the adjusting block 2 is fixedly arranged on one side of the hinge plate I1, the hinge rod II 3 is fixedly arranged on the outer wall of one side of the adjusting block 2, the hinge rod III 4 is hinged on the hinge rod II 3, the rectangular block 5 is fixedly arranged on one side of the hinge rod III 4, the groove I6 is arranged on the outer wall of one side of the rectangular block 5, the telescopic block 7 is arranged on one side of the rectangular block 5, the groove II 8 is arranged on the outer wall of one side of the telescopic block 7, the connecting block 9 is fixedly arranged on the inner wall of one side of the groove II 8, and one side of the connecting block 9 extends into the groove I6 and is in sliding connection with the groove I6;
the fixing mechanism comprises a first rectangular through hole 10, a threaded rod 11, a moving block 12, a first threaded ring block 13, a first two rotating rods 14, a second rectangular through hole 15, a second threaded ring block 16 and a second two rotating rods 17, the first rectangular through hole 10 is formed in the adjusting block 2, the threaded rod 11 is rotatably arranged in the first rectangular through hole 10, the moving block 12 is installed on the threaded rod 11 in a threaded mode, the first threaded ring block 13 is arranged in the first rectangular through hole 10, the two first rotating rods 14 are fixedly installed on the first threaded ring block 13, one end of the corresponding rotating rod I14 is rotatably connected with the outer wall of one side of the moving block 12, the rectangular through hole II 15 is arranged on the adjusting block 2, two 16 settings of threaded ring piece are in two 15, two of rectangle opening the equal fixed mounting of two 17 dwang is on two 16 of threaded ring piece, the one end of dwang two 17 is rotated with one side inner wall of two 15 of rectangle opening and is connected.
As shown in fig. 1 and 2, mounting groove 18 has been seted up to the bottom of connecting block 9, fixed mounting has a pinion rack 19 on the top inner wall of mounting groove 18, fixed mounting has supplementary box 20 on the bottom inner wall of recess 6, fixed mounting has the telescopic link on the bottom inner wall of supplementary box 20, the bottom fixed mounting of telescopic link has the baffle, sliding sleeve is equipped with spring 21 on the telescopic link, the bottom of spring 21 and the bottom inner wall fixed connection of supplementary box 20, the top of spring 21 and the bottom fixed connection of baffle, the top fixed mounting of baffle has block tongue 22, the top of block tongue 22 extends to in the mounting groove 18, block tongue 22 and supplementary box 20 sliding connection, block tongue 22 and latch plate 19 looks adaptation.
Through the mutual cooperation of mounting groove 18, pinion rack 19, supplementary box 20, telescopic link, baffle, spring 21 and latch 22, form and to make flexible piece 7 stretch out and draw back and can not reverse, avoided flexible piece 7 can't keep fixed after flexible.
As shown in fig. 1 and 3, a working cavity 23 is formed in the adjusting block 2, one end of the threaded rod 11 extends into the working cavity 23, a first bevel gear 24 is fixedly mounted at one end of the threaded rod 11, a third rotating rod 25 is rotatably mounted on the inner wall of the top of the working cavity 23, the top end of the third rotating rod 25 extends out of the adjusting block 2 and is rotatably connected with the adjusting block 2, a rotating handle is fixedly mounted at the top end of the third rotating rod 25, a second bevel gear is fixedly mounted at the bottom end of the third rotating rod 25, and the second bevel gear is meshed with the first bevel gear 24;
through the mutual cooperation of the working cavity 23, the first conical gear 24, the third rotating rod 25, the rotating handle and the second conical gear, the threaded rod 11 can be indirectly controlled to rotate through the rotating handle, and the phenomenon that the moving block 12 cannot move due to the fact that the threaded rod 11 cannot rotate is avoided.
As shown in fig. 3, a sliding rod is fixedly installed in the rectangular through opening one 10, a sliding block 26 is slidably installed on the sliding rod, and an outer wall of one side of the sliding block 26 is rotatably connected with one end of the corresponding rotating rod one 14;
through the mutual cooperation of slide bar and sliding block 26, it is spacing to form to carry out the movable block 12 through slide bar and sliding block 26, has avoided the movable block 12 can rotate along with threaded rod 11 and lead to unable normal work together.
As shown in fig. 1, a sliding groove is formed in the first groove 6, a limiting rod 27 is fixedly mounted on the connecting block 9, and one end of the limiting rod 27 extends into the corresponding sliding groove and is in sliding connection with the sliding groove;
through the mutual cooperation of sliding tray and gag lever post 27, the formation can be spacing to connecting block 9 through gag lever post 27, has avoided connecting block 9 displacement to break away from recess 6 too greatly and has leaded to unable normal work.
As shown in fig. 1, the same bolt i 28 is installed on the two threaded ring blocks ii 16 in a threaded manner, a nut i is installed on the bolt i 28 in a threaded manner, the rectangular block 5 is provided with a threaded hole, the same bolt ii 29 is installed on the two threaded holes in a threaded manner, the bolt ii 29 penetrates through the threaded ring block i 13 and is in threaded connection with the threaded ring block i 13, and a nut ii 30 is installed on the bolt ii 29 in a threaded manner;
through the mutual matching of the first bolt 28, the first nut, the second bolt 29 and the second nut 30, the second threaded ring block 16 and the first threaded ring block 13 can be positioned and fixed through the first bolt 28 and the second bolt 29, and the problem that the two adjusting blocks 2 cannot be fixed due to the fact that the second threaded ring block 16 and the first threaded ring block 13 cannot be fixed is avoided.
The working principle of the adjustable gasket for the bench worker provided by the utility model is as follows:
the first step is as follows: when the gasket is required to be adjusted, firstly, a proper size is selected according to the size of a gap to be filled, when the width is required to be adjusted, a worker firstly pulls the telescopic block 7, the telescopic block 7 drives the connecting block 9 to move, the connecting block 9 drives the toothed plate 19 to move, the latch on the toothed plate 19 extrudes the latch 22, as the contact surface between the latch and the latch 22 is an inclined surface, the latch 22 can downwards extrude the baffle after being stressed, the baffle extrudes the spring 21, the toothed plate 19 can move, and the latch plate 19 cannot reversely move under the action force of the spring 21, the telescopic block 7 is stopped after being pulled to meet the required size, and the adjustment work of the width is completed;
the second step is as follows: when the height needs to be adjusted, a worker firstly pulls the two rectangular blocks 5 to reach a sufficient distance, keeps the two rectangular blocks 5 horizontal to each other, then rotates the two threaded ring blocks 16 to keep the two threaded ring blocks on the same vertical plane, then screws the first bolt 28 into the two threaded ring blocks 16, screws the first nut at the bottom ends of the two threaded ring blocks, so that the two adjusting blocks 2 can keep the angle unchanged, then rotates the rotating handle, rotates the rotating handle to drive the rotating rod three 25 to rotate, the rotating rod three 25 drives the conical gear two to rotate, the conical gear two drives the conical gear one 24 to rotate, the conical gear one 24 drives the threaded rod 11 to rotate, the threaded rod 11 drives the moving block 12 to move, the moving block 12 drives the rotating rod one 14 to move, the rotating rod one 14 drives the threaded ring block one 13 to move until the threaded ring block one 13 is aligned with the threaded hole, and then the first threaded ring block 13 is rotated to enable the first threaded ring blocks 13 and the two threaded holes to be on the same vertical plane, at the moment, the second bolt 29 is screwed to the first threaded ring blocks 13 and the threaded holes, and the second nut 30 is screwed to the bottom end of the second bolt 29, so that the angle between the rectangular block 5 and the adjusting block 2 can be kept fixed, and at the moment, the height adjustment work can be completed.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that the skilled person understands the principle of the utility model, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;
the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, as used in the related art, and all of which are intended to be encompassed by the present invention.
Claims (6)
1. An adjustable gasket for bench workers, comprising:
the two first hinge plates are hinged with each other, and both the two first hinge plates are provided with an adjusting mechanism and a fixing mechanism;
the adjusting mechanism comprises an adjusting block, a hinge rod II, a hinge rod III, a rectangular block, a groove I, a telescopic block, a groove II and a connecting block, the adjusting block is fixedly arranged on one side of the hinge plate I, the hinge rod II is fixedly arranged on the outer wall of one side of the adjusting block, the hinge rod III is hinged and arranged on the hinge rod II, the rectangular block is fixedly arranged on one side of the hinge rod III, the groove I is arranged on the outer wall of one side of the rectangular block, the telescopic block is arranged on one side of the rectangular block, the groove II is arranged on the outer wall of one side of the telescopic block, the connecting block is fixedly arranged on the inner wall of one side of the groove II, and one side of the connecting block extends into the groove I and is in sliding connection with the groove I;
the fixing mechanism comprises a first rectangular opening, a threaded rod, a moving block, a first threaded ring block, two first rotating rods, a second rectangular opening, a second threaded ring block and two second rotating rods, the first rectangular opening is arranged on the adjusting block, the threaded rod is installed in the first rectangular opening in a rotating mode, threads of the moving block are installed on the threaded rod, the first threaded ring block is arranged in the first rectangular opening, the two first rotating rods are fixedly installed on the first threaded ring block in a corresponding mode, one end of the first rotating rod is connected with one side outer wall of the moving block in a rotating mode, the second rectangular opening is arranged on the adjusting block in a rotating mode, the second threaded ring block is arranged in the second rectangular opening in a two fixed mode, the two rotating rods are fixedly installed on the second threaded ring block, and one end of the second rotating rod is connected with one side inner wall of the second rectangular opening in a rotating mode.
2. The adjustable spacer for bench workers as claimed in claim 1, wherein: the mounting groove has been seted up to the bottom of connecting block, fixed mounting has the pinion rack on the top inner wall of mounting groove, fixed mounting has supplementary box on the bottom inner wall of recess one, fixed mounting has the telescopic link on the bottom inner wall of supplementary box, the bottom fixed mounting of telescopic link has the baffle, sliding sleeve is equipped with the spring on the telescopic link, the bottom of spring and the bottom inner wall fixed connection of supplementary box, the top of spring and the bottom fixed connection of baffle, the top fixed mounting of baffle has the block tongue, the top of block tongue extends to in the mounting groove, block tongue and supplementary box sliding connection, the block tongue and the adaptation of pinion rack mutually.
3. The adjustable spacer for bench workers as claimed in claim 1, wherein: the working chamber has been seted up on the adjusting block, the one end of threaded rod extends to the working chamber in, the one end fixed mounting of threaded rod has bevel gear one, it installs dwang three to rotate on the top inner wall of working chamber, the top of dwang three extends to the adjusting block outside and is connected with the adjusting block rotation, the top fixed mounting of dwang three has the rotation handle, the bottom fixed mounting of dwang three has bevel gear two, bevel gear two meshes with bevel gear one.
4. The adjustable spacer for bench workers as claimed in claim 1, wherein: fixed mounting has the slide bar in the rectangle opening one, slidable mounting has the sliding block on the slide bar, one side outer wall of sliding block is rotated with the one end of the dwang one that corresponds and is connected.
5. The adjustable spacer for bench workers as claimed in claim 1, wherein: the first groove is provided with a sliding groove, the connecting block is fixedly provided with a limiting rod, and one end of the limiting rod extends into the corresponding sliding groove and is in sliding connection with the sliding groove.
6. The adjustable spacer for bench workers as claimed in claim 1, wherein: two same bolt one is installed to the screw thread on the screw thread ring piece two, nut one is installed to the screw thread on the bolt one, set up threaded hole on the rectangular block, two same bolt two is installed to the screw thread on the screw hole, bolt two runs through screw thread ring piece and is in threaded connection with screw thread ring piece one in the lump, nut two is installed to the screw thread on the bolt two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122463919.2U CN216044941U (en) | 2021-10-13 | 2021-10-13 | Adjustable gasket for fitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122463919.2U CN216044941U (en) | 2021-10-13 | 2021-10-13 | Adjustable gasket for fitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044941U true CN216044941U (en) | 2022-03-15 |
Family
ID=80548633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122463919.2U Active CN216044941U (en) | 2021-10-13 | 2021-10-13 | Adjustable gasket for fitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044941U (en) |
-
2021
- 2021-10-13 CN CN202122463919.2U patent/CN216044941U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213448971U (en) | Connection structure of assembled shear force wall | |
| CN216157259U (en) | Adjustable supporting device with safety for constructional engineering | |
| CN214866867U (en) | Aluminum stranded wire stranding adjusting device with horizontal straightening function | |
| CN216044941U (en) | Adjustable gasket for fitter | |
| CN220100335U (en) | Building curtain wall mounting and fixing support | |
| CN210817567U (en) | Drilling device for underwater well lid production | |
| CN110449472A (en) | A kind of macrotype axes series cross wedge rolling machine guide and guards | |
| CN216705590U (en) | Seamless stamping elbow die | |
| CN210679658U (en) | Co-extruder adjusting device | |
| CN212054423U (en) | Elevator shaft protective door for building engineering | |
| CN215040176U (en) | Mold clamping force adjusting device of all-electric hollow molding machine | |
| CN219508946U (en) | Glass curtain wall point supporting device | |
| CN218862640U (en) | Anchor rod mounting equipment for tunnel construction | |
| CN216543768U (en) | Novel plate grooving device for building materials | |
| CN213561229U (en) | Vertical milling machine milling fixture is used in metal casing production | |
| CN211248079U (en) | N-shaped frame equipment for hardware production | |
| CN217046892U (en) | A novel accurate cloth machine for ultra high performance concrete processing | |
| CN217165897U (en) | Straightening machine capable of adapting to bars of different specifications | |
| CN219866169U (en) | Installation component for circular arc tooth worm gear reducer | |
| CN220954677U (en) | Secondary structure template fixing device | |
| CN220177997U (en) | Hardware stamping die convenient to installation is fixed | |
| CN219443462U (en) | Moving mechanism of tool rest assembly | |
| CN215636000U (en) | Traffic control is with control ball machine | |
| CN219169808U (en) | Automatic tapping device for metal processing | |
| CN218861374U (en) | Under wear railway frame box culvert top and advance construction equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |