CN218134530U - Sheet metal repairing clamp - Google Patents
Sheet metal repairing clamp Download PDFInfo
- Publication number
- CN218134530U CN218134530U CN202222818113.5U CN202222818113U CN218134530U CN 218134530 U CN218134530 U CN 218134530U CN 202222818113 U CN202222818113 U CN 202222818113U CN 218134530 U CN218134530 U CN 218134530U
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- mounting groove
- push rod
- connecting rod
- support
- 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
Abstract
The utility model belongs to the technical field of the panel beating is restoreed and is equipped technical field, especially, be a panel beating repair anchor clamps, include: the support comprises a hinged end and at least one inserting end; the adsorption component comprises a fixed seat, a sealing rubber ring and a pneumatic cylinder which are connected with each other, a support mounting groove is formed in the fixed seat and is used for being connected with the inserting end, and an air pressure adjusting device is arranged in the pneumatic cylinder and is used for adjusting air pressure in the pneumatic cylinder so as to control the sealing rubber ring to adsorb the sheet metal part; the clamping assembly comprises a rotating connecting rod and a limiting baffle, the rotating connecting rod is hinged with the hinged end, and the limiting baffle is used for providing a pressure for extruding the sheet metal part to one side of the sealing rubber ring; the utility model discloses and mainly utilize adsorption component atmospheric pressure to adsorb between the sheet metal component fixedly, utilize the joint subassembly to carry out the secondary and fix and rock with this reduction, can avoid the secondary damage that mechanical clamping caused for the sheet metal component effectively.
Description
Technical Field
The utility model relates to a panel beating is restoreed and is equipped technical field, specifically is a panel beating repair anchor clamps.
Background
With the development of society, the automobile holding amount in China is increasing all the time, and with the continuous increase of automobiles, the occurrence of automobile accidents also begins to show an increasing trend. The sheet metal restoration is used as a common maintenance mode after an automobile accident, and the appearance of the automobile part can be restored under the condition that the automobile part is not replaced after the automobile part is impacted into a concave-convex damage accident.
In order to solve the problems, in the prior art, an automobile sheet metal part repairing fixture with the application number of "CN102022160245.4", belongs to the technical field of workpiece positioning, comprising a base plate, supporting plates are welded on the outer walls of the tops of the two sides of the base plate respectively, a fixing plate is welded on the top end of the supporting plate, a sliding groove is formed in the outer wall of the top of the fixing plate, a sliding block is arranged inside the sliding groove, a connecting plate is welded on the top end of the sliding block and is parallel to the fixing plate, a mounting plate is welded on the outer wall of the top of one side of the connecting plate, a lower plate is welded on the outer wall of the top of the mounting plate, a top plate is welded on the outer wall of the top of the mounting plate, an upper plate is located right above the lower plate, a screw hole is formed in the lower plate, the lower plate is connected with a lower fixture through the screw hole, a screw hole is formed in the upper plate, a hydraulic cylinder is fixedly installed on the outer wall of the top of the base plate, an output end of the hydraulic cylinder is fixedly connected with a connecting shaft, the connecting shaft which penetrates through the fixing plate, and the connecting shaft, and the top push plate is welded with a push rod.
However, the tensile clamp for repairing the automobile sheet metal still has the following obvious defects in the using process: place the sheet metal component between lower plate and punch holder when using, the screw on the locking plate is passed to the rethread bolt to fix the connecting plate, only through the centre gripping of bolt fastening between the machinery, and do not set up the tightening torque of bolt, excessive tightening can lead to automobile parts to appear warping in the repair process during the operation, thereby causes the secondary damage of sheet metal component easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a panel beating repair anchor clamps to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a panel beating repair anchor clamps for centre gripping sheet metal component includes:
a bracket including a hinged end and at least one plug end;
the adsorption assembly comprises a fixed seat, a sealing rubber ring and a pneumatic cylinder which are mutually connected, a support mounting groove is formed in the fixed seat and is used for being connected with the inserting end, and an air pressure adjusting device is arranged in the pneumatic cylinder and is used for adjusting air pressure in the pneumatic cylinder so as to control the sealing rubber ring to adsorb the sheet metal part; and
the clamping assembly comprises a rotating connecting rod and a limiting baffle, the rotating connecting rod is used for being hinged to the hinged end, and the limiting baffle is used for providing one pressure to the sheet metal part to extrude the sealing rubber ring on one side.
Preferably, the support is provided with the instrument mounting hole that is used for installing panel beating repair tools.
Preferably, the pneumatic adjusting device further comprises a pneumatic push rod and an adjusting handle, the pneumatic cylinder is fixedly connected to the fixing base, the sealing rubber ring is fixedly connected to the pneumatic cylinder, the pneumatic push rod is movably inserted into the pneumatic cylinder, the adjusting handle rotating groove is formed in the pneumatic push rod, one end of the adjusting handle is rotatably connected to the adjusting handle rotating groove of the pneumatic push rod, and the adjusting handle is movably connected to the adjusting handle mounting groove.
Preferably, the fixing base still is provided with screw hole one and adjusts the handle mounting groove, be provided with the handle slide bar in adjusting the handle mounting groove, it has seted up removal spout and lockhole one to adjust the handle, handle slide bar sliding connection in removing the spout, the pneumatic cylinder lateral wall is provided with the locking lever, lockhole one is seted up in adjust the handle and keep away from atmospheric pressure push rod one end, the locking lever seted up with lockhole two that lockhole one corresponds, lockhole two activity is inserted and is equipped with the locking lever gag lever post.
Preferably, the adjusting handle mounting grooves are provided with two, the adjusting handle is also provided with two, and the two adjusting handle mounting grooves are symmetrically arranged on two sides of the fixing seat.
Preferably, the support is provided with two insertion ends, the adsorption assemblies are provided with two groups, and the two groups of adsorption assemblies are symmetrically arranged at the insertion ends at the two sides of the support.
Preferably, the support is provided with a second threaded hole corresponding to the first threaded hole, a rotating connecting rod mounting groove and an angle push rod mounting groove, and the support and the fixed seat are connected with each other through bolts penetrating through the first threaded hole and the second threaded hole.
Preferably, the joint subassembly is including rotating connecting rod, angle push rod, limit baffle and driving motor one, rotate the connecting rod rotate connect in rotate the connecting rod mounting groove, the angle push rod rotate connect in the angle push rod mounting groove, driving motor one sets up in angle push rod mounting groove one side, driving motor one is used for the drive the angle push rod, the angle adjustment groove has been seted up to the rotation connecting rod, the angle push rod is kept away from support one end activity and is inserted and locate the angle adjustment groove, the rotation connecting rod is kept away from rotation connecting rod mounting groove one end and is connected with limit baffle.
Preferably, the joint subassembly still includes drive gear and driving motor two, it is provided with the gear mounting groove to rotate connecting rod and keep away from rotation connecting rod mounting groove one end, be provided with in the gear mounting groove drive gear, the limit baffle bottom is provided with the rack, the rack intermeshing of drive gear and limit baffle bottom, drive gear is driven by driving motor two.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses and mainly utilize adsorption component atmospheric pressure to adsorb fixedly between the sheet metal component, utilize the joint subassembly to carry out the secondary fixed, reduce and rock, the adsorption component that the symmetry set up is triangle-shaped with the joint subassembly and sets up more stably, the atmospheric pressure adsorbs the secondary damage that also can avoid mechanical clamping to cause for the sheet metal component effectively.
Drawings
Fig. 1 is a schematic structural view of the utility model in an isometric view;
FIG. 2 is a schematic view of the structure of the adsorption assembly of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the adsorption module of the present invention;
FIG. 4 is a schematic structural view of the bracket and the clamping assembly of the present invention;
FIG. 5 is an enlarged view of a portion of the structure of the area A in FIG. 4;
FIG. 6 is a schematic view of the structure of the working state of the present invention;
FIG. 7 is a schematic view of the structure of the rotating link of the present invention;
fig. 8 is a schematic view of the bracket structure of the present invention.
In the figure: 1 support, 2 fixing seats, 5 sheet metal parts, 100 tool mounting holes, 101 threaded holes II, 102 rotating connecting rod mounting grooves, 103-degree push rod mounting grooves, 201 support mounting grooves, 202 threaded holes I, 203 adjusting handle mounting grooves, 301 sealing rubber rings, 302 pneumatic cylinders, 303 pneumatic push rods, 304 adjusting handles, 401 rotating connecting rods, 402-degree push rods, 403 limit baffles, 404 driving motors I, 405 driving motors II, 407 driving gears, 2031 handle sliding rods, 3021 locking rods, 3022 locking hole II, 3023 locking rod limiting rods, 3031 adjusting handle rotating grooves, 3041 moving sliding grooves, 3042 locking hole I, 4011 degree adjusting grooves, 4012 gear mounting grooves and 4031 racks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution:
a sheet metal repair clamp is used for clamping sheet metal parts, and comprises the following components as shown in the attached figure 1 of the specification:
the support 1 comprises two inserting ends and a hinged end, the inserting ends are provided with second threaded holes 101, and the hinged end is provided with a rotating connecting rod mounting groove 102;
the adsorption component comprises a fixed seat 2, a sealing rubber ring 301 and a pneumatic cylinder 302 which are connected with each other, the pneumatic cylinder 302 is fixedly connected to the fixed seat 2, the pneumatic cylinder 302 is used for adjusting air pressure so that an air pressure adjusting device can be adsorbed to the outer surface of the sheet metal part 5, the sealing rubber ring 301 is fixedly connected to one end, far away from the fixed seat 2, of the pneumatic cylinder 302, the fixed seat 2 is made of hard rubber, the pneumatic cylinder 302 is connected with the support 1, the fixed seat 2 is provided with a support mounting groove 201, a first threaded hole 202 and an adjusting handle mounting groove 203, the support mounting groove 201 is used for providing a mounting position for the support 1, the inserting end of the support 1 is inserted into the support mounting groove 201, the support 1 is provided with a second threaded hole 101 corresponding to the first threaded hole 202, the support 1 is connected with the fixed seat 2 through bolts penetrating through the first threaded hole 202 and the second threaded hole 101, the first threaded hole 202 is M12 multiplied by 90, the adjusting handle mounting groove 203 is used for mounting the adjusting handle 304, a handle sliding rod 2031 is arranged in the handle mounting groove 103, the handle sliding rod 2031 can limit the movement of the adjusting handle 304, the adsorption component is used for repairing the adsorption fixation between the adsorption component and the automobile, and the adsorption component is symmetrically arranged on two sides of the support 1;
the clamping assembly is arranged at the hinged end of the support 1, the support 1 is also provided with a rotating connecting rod installation groove 102 and an angle push rod installation groove 103, the clamping assembly is used for carrying out secondary fixation between a sheet metal repair clamp and a sheet metal part, the clamping assembly comprises a rotating connecting rod 401, an angle push rod 402, a limit baffle 403, a first driving motor 404, a driving gear 406 and a second driving motor 405, the rotating connecting rod 401 is rotatably connected to the rotating connecting rod installation groove 102, the rotating connecting rod 401 is used for connecting the support 1 and the limit baffle 403, the rotating connecting rod installation groove 102 is arranged at the bottom of the support 1, the rotating connecting rod installation groove 102 is used for installing the rotating connecting rod 401, the angle push rod installation groove 103 is arranged in the middle of the support 1, the angle push rod installation groove 103 is used for installing the angle push rod 402, the angle push rod 402 is rotatably connected to the angle push rod installation groove 103, the first driving motor 404 is arranged on one side of the angle push rod installation groove 103, the first driving motor 404 is a 130-DC micro motor produced by Shenzhen finished motor Limited, the first driving motor 404 is used for driving the angle push rod 402, the rotating connecting rod 401 is provided with an angle adjusting groove 4011, the angle adjusting groove 4011 is used for connecting the movable end of the angle push rod 402 with the rotating connecting rod 401, one end, far away from the support 1, of the angle push rod 402 is movably inserted in the angle adjusting groove 4011, the angle push rod 402 can drive the rotating connecting rod 401 to rotate along with the rotation of the angle push rod 402 driven by the first driving motor 404, one end, far away from the rotating connecting rod mounting groove 102, of the rotating connecting rod 401 is connected with a limit baffle 403, the limit baffle 403 can further limit the relative rotation between the sheet metal part 5 and the sheet metal repairing clamp during clamping, one end, far away from the rotating connecting rod mounting groove 102, of the rotating connecting rod 401 is provided with a gear mounting groove 4012, and a driving gear 406 is arranged in the gear mounting groove 4012, the bottom of the limit baffle 403 is provided with a rack 4031, the driving gear 406 is meshed with the rack 4031 at the bottom of the limit baffle 403, the driving gear 406 is driven by a second driving motor 405, the type of the second driving motor 405 is the same as that of the first driving motor 404, the second driving motor 405 is started to drive the driving gear 406 to rotate, the limit baffle 403 is driven to move by gear transmission between the driving gear 406 and the rack 4031, and the limit baffle 403 is used for providing a pressure for extruding the sheet metal part to one side of the sealing rubber ring 301, so that clamping of the sheet metal part is achieved.
The pneumatic adjusting device further comprises a pneumatic push rod 303 and an adjusting handle 304, as shown in the accompanying drawings 2 and 3, the pneumatic push rod 303 is movably inserted into the pneumatic cylinder 302, the air pressure in the pneumatic cylinder is adjusted by the air pressure push rod 303 moving up and down, the inner side walls of the air pressure push rod 303 and the pneumatic cylinder 302 are made of rubber, the air pressure push rod 303 and the pneumatic cylinder 302 are in interference fit, the air pressure push rod 303 is provided with an adjusting handle rotating groove 3031, the adjusting handle rotating groove 3031 is used for connecting the air pressure push rod 303 and an adjusting handle 304, two adjusting handle mounting grooves 203 are arranged, the adjusting handle 304 is also provided, the two adjusting handles 304 are symmetrically arranged in the adjusting handle mounting grooves 203 on two sides of the fixed seat 2, one end of the adjusting handle 304 is rotatably connected with the adjusting handle rotating groove 3031 of the air pressure push rod 303, a handle sliding rod 2031 is arranged in the adjusting handle mounting groove 203, the adjusting handle 304 is provided with a moving sliding chute 3041 and a lockhole 3042, the handle sliding rod 2031 is slidably connected in the moving sliding chute 3041, the handle sliding rod 2031 can only move in the moving chute 3041, this arrangement limits the movement of the adjustment knob 304, and thus the range of movement of the air ram 303, if the pneumatic rod 303 moves along the bottom of the pneumatic cylinder 302 all the time, the metal sheet part 5 may be worn, and if the pneumatic rod 303 moves all the time above the pneumatic cylinder 302, the pressure inside the cylinder 302 may be too low, at this time, the pneumatic cylinder 302 may be deformed due to the external atmospheric pressure, a lock bar 3021 is disposed on the outer side wall of the pneumatic cylinder 302, a first lock hole 3042 is opened at the end of the adjusting handle 304 far away from the pneumatic rod 302, a second lock hole 3022 corresponding to the first lock hole 3042 is opened on the lock bar 3021, the first lock hole 3042 is the same as the second lock hole 3022 in size, a lock bar limiting rod 3023 is movably inserted in the second lock hole 3022, and the lock bar limiting rod 3023 is used for limiting the movement of the adjusting handle 304 in the locked state.
The working principle is as follows: when the pneumatic push rod type sheet metal part automatic adjusting device is used, the adjusting handle 304 is moved to drive the pneumatic push rod 303 to the lowest part of the pneumatic cylinder 302 to exhaust air in the pneumatic cylinder 302, the sealing rubber ring 301 of the adsorption component is attached to the outer side wall of the sheet metal part 5, then the adjusting handle 304 is moved to drive the pneumatic push rod 303 to move towards the upper part of the pneumatic cylinder 302, when the first lock hole 3042 and the second lock hole 3022 are overlapped, the lock rod limiting rod 3023 is inserted into the first lock hole 3042 and the second lock hole 3022, the first driving motor 404 is started to drive the angle push rod 402 to move so as to adjust the angle of the rotating connecting rod 401, when the rotating connecting rod 401 reaches a proper angle, the second driving motor 405 is started to drive the driving gear 406 to move, and the gear transmission of the driving gear 406 and the rack 4031 arranged at the bottom of the limiting baffle 403 drives the limiting baffle 403 to be clamped on the inner side wall of the sheet metal part 5.
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 without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a panel beating repair anchor clamps for centre gripping sheet metal component, its characterized in that includes:
the support (1), the said support (1) includes a hinged end and at least one plug end;
the adsorption component comprises a fixed seat (2), a sealing rubber ring (301) and a pneumatic cylinder (302) which are connected with each other, a support mounting groove (201) is formed in the fixed seat (2), the support mounting groove (201) is used for being connected with the inserting end, an air pressure adjusting device is arranged in the pneumatic cylinder (302), and the air pressure adjusting device is used for adjusting air pressure in the pneumatic cylinder (302) so as to control the sealing rubber ring (301) to adsorb the sheet metal part; and
the joint subassembly, the joint subassembly is including rotating connecting rod (401) and limit baffle (403), rotate connecting rod (401) be used for with the hinged end is articulated, limit baffle (403) are used for providing one to the sheet metal component to the extruded pressure in sealed rubber ring (301) one side.
2. The sheet metal repair clamp of claim 1, wherein: the support (1) is provided with a tool mounting hole (100) for mounting a sheet metal repairing tool.
3. The sheet metal repair clamp of claim 1, wherein: the pneumatic adjusting device further comprises a pneumatic push rod (303) and an adjusting handle (304), the pneumatic cylinder (302) is fixedly connected to the fixing seat (2), the sealing rubber ring (301) is fixedly connected to the pneumatic cylinder (302) and far away from one end of the fixing seat (2), the pneumatic push rod (303) is movably inserted into the pneumatic cylinder (302), an adjusting handle rotating groove (3031) is formed in the pneumatic push rod (303), one end of the adjusting handle (304) is rotatably connected to the adjusting handle rotating groove (3031) of the pneumatic push rod (303), and the adjusting handle (304) is movably connected to the adjusting handle mounting groove (203).
4. The sheet metal repair clamp of claim 3, wherein: fixing base (2) still are provided with screw hole one (202) and adjust handle mounting groove (203), be provided with handle slide bar (2031) in adjusting handle mounting groove (203), it has seted up removal spout (3041) and lockhole one (3042) to adjust handle (304), handle slide bar (2031) sliding connection in remove spout (3041), pneumatic cylinder (302) lateral wall is provided with locking lever (3021), lockhole one (3042) is seted up adjust handle (304) and keep away from pneumatic push rod (303) one end, locking lever (3021) seted up with lockhole two (3022) that lockhole one (3042) correspond, lockhole two (3022) activity is inserted and is equipped with locking lever gag lever post (3023).
5. The sheet metal repair clamp of claim 4, wherein: adjust handle mounting groove (203) and be provided with two, adjust handle (304) and be provided with two equally, two are adjusted handle (304) symmetry and are set up in the regulation handle mounting groove (203) of fixing base (2) both sides.
6. The sheet metal repair clamp according to claim 1, wherein: the support (1) is provided with two insertion ends, the adsorption components are provided with two groups, and the two groups of adsorption components are symmetrically arranged at the insertion ends at the two sides of the support (1).
7. The sheet metal repair clamp of claim 4, wherein: the support (1) is provided with a second threaded hole (101) corresponding to the first threaded hole (202), a rotating connecting rod mounting groove (102) and an angle push rod mounting groove (103), and the support (1) and the fixing seat (2) are connected with each other through bolts penetrating through the first threaded hole (202) and the second threaded hole (101).
8. The sheet metal repair clamp of claim 7, wherein: the joint subassembly still is provided with angle push rod (402) and driving motor one (404), rotate connecting rod (401) rotate connect in rotate connecting rod mounting groove (102), angle push rod (402) rotate connect in angle push rod mounting groove (103), driving motor one (404) set up in angle push rod mounting groove (103) one side, driving motor one (404) are used for the drive angle push rod (402), angle adjustment groove (4011) have been seted up in rotation connecting rod (401), support (1) one end activity is kept away from in angle push rod (402) and is inserted and locate angle adjustment groove (4011), rotation connecting rod (401) are kept away from rotation connecting rod mounting groove (102) one end and are connected with limit baffle (403).
9. The sheet metal repair clamp of claim 8, wherein: the joint subassembly still includes drive gear (406) and driving motor two (405), it is provided with gear mounting groove (4012) to rotate connecting rod (401) and keep away from rotation connecting rod mounting groove (102) one end, be provided with in gear mounting groove (4012) drive gear (406), limit baffle (403) bottom is provided with rack (4031), drive gear (406) and rack (4031) intermeshing of limit baffle (403) bottom, drive gear (406) are driven by driving motor two (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222818113.5U CN218134530U (en) | 2022-10-25 | 2022-10-25 | Sheet metal repairing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222818113.5U CN218134530U (en) | 2022-10-25 | 2022-10-25 | Sheet metal repairing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218134530U true CN218134530U (en) | 2022-12-27 |
Family
ID=84570330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222818113.5U Active CN218134530U (en) | 2022-10-25 | 2022-10-25 | Sheet metal repairing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218134530U (en) |
-
2022
- 2022-10-25 CN CN202222818113.5U patent/CN218134530U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111633227B (en) | Jack catch self-locking device is used in processing of rail vehicle spare part | |
| CN111590145B (en) | Casting head cutting processing equipment for automobile precision parts | |
| CN112264696A (en) | Double-gun automatic welding device for radiator of automobile water tank | |
| CN209831441U (en) | Tool clamp for clamping anti-loose lock | |
| CN214721904U (en) | Welding die tool | |
| CN218134530U (en) | Sheet metal repairing clamp | |
| CN219787501U (en) | Clamp for mechanical design and manufacture | |
| CN216706805U (en) | Milling machine fixture convenient to operate and use | |
| CN217621093U (en) | Intelligent numerical control cutting device | |
| CN113523356B (en) | Cylinder head processing equipment with positioning function | |
| CN215942154U (en) | Positioning fixture for machining | |
| CN111376194B (en) | Multi-group clamping mechanism for producing acceleration boxes and using method thereof | |
| CN209902612U (en) | Controllable fixed-torque screwing machine | |
| CN216634119U (en) | Chain processing frock | |
| CN220145095U (en) | Excavator frame welding fixture | |
| CN220497483U (en) | Car light back cover punching machine | |
| CN219925213U (en) | Beam machining fixing device | |
| CN219598505U (en) | Positioning mechanism for welding fixture of automobile chassis parts | |
| CN215279426U (en) | Full-automatic diplopore punching machine | |
| CN220782530U (en) | Hydraulic clamp for vertical machining center | |
| CN218015304U (en) | Riveting tool for automobile frame assembly | |
| CN220863955U (en) | Processing device with positioning function | |
| CN220498152U (en) | Movable welding operation platform | |
| CN220612400U (en) | Adjustable perforating device for door and window manufacturing | |
| CN215468235U (en) | Ni zhifu drill lathe is used in production of pultrusion grid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |